We received the following question about the time required to train for an Olympic distance triathlon. For those of you not yet conversant in the distances of the various triathlon types, the Olympic distance triathlon comprises a 1.5 km swim, 40 km bike, and 10 km run.
Here is our senior triathletes question:
“Is six months sufficient time for a 72 year-old male to train for an Olympic Triathlon?
I’m generally fit, but have been going to the gym less frequently in the past 6 months than I did prior to that time. At the gym I exercise for strength and cardio (running on the treadmill and cycling).
Coach Tony Washington’s Reply
David,
Terry passed along the question you sent through the SeniorTriathletes.com website.
Congrats on being 72 years young and taking charge of your health and fitness. Life changing stuff.
I’d love to hear more specifically about your current regimen but I’ll make some little assumptions in general. Since you are cycling and running, you are ready to roll. If any of these sessions are already over 30 mins, even better. How’s your swimming? I highly recommend TriDot Pool School. I can help with video analysis too.
Where are you located? While 50% of the athletes I coach are local, I travel the country for work and often meet up with my remote folks for one on one sessions.
I love that you do strength work. Building a strong frame is critical to sustain the training load. Your strength and core are the foundation of keeping you moving forward in an Olympic triathlon. It’ll keep you injury free and flexible too.
TriDot is an amazing program personalized to you and your goal race. We’ll evaluate your fitness changes every month and reset your training zones. I’ve been using it as an athlete for over a decade and coaching using it for 6 years.
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Medical Disclaimer
This content is for educational purposes only and does not constitute medical advice. I am not a physician. Always consult your healthcare provider before making training or treatment decisions. You assume full responsibility for your participation in any exercise program.
We received the following request for guidance for triathlon training from Shelley, one of our readers.
“How to develop a training base that can accommodate increasing training times and distances to accommodate health conditions. How to make adjustments.”
Many athletes over 50 start training without a clear picture of how their health conditions will affect progress. The goal is not perfection—it’s building safely, consistently, and with flexibility.
Coach Jenn Reinhart’s Advice on Triathlon Training With Health Conditions
Hi! Shelley, Terry forwarded your question about training for a Triathlon.
It would be good to know what type of health conditions you are specifically referring to prior to answering your question. Without that knowledge, I will provide you with my answer toward maintaining good health especially as we age.
For a sprint triathlon (typically 750 m swim, 20 km bike, 5 km run)—especially with health considerations—the key is to build a base that increases total training load without triggering setbacks. You’re managing three disciplines plus cumulative fatigue, so structure and restraint matter more than ambition.
1. Establish a triathlon-specific baseline
Instead of thinking per workout, think weekly structure across all three sports.
A sustainable starting point might look like:
Swim: 1–2×/week (10–20 min continuous or intervals)
Bike: 2×/week (15–30 min)
Run: 2×/week (10–20 min, or run/walk)
Total weekly time: ~90–150 minutes
This is your global load baseline—more important than any single session.
2. Progress total load, not just individual workouts
Triathlon adds a hidden stressor: stacking disciplines.
Instead of aggressively increasing each sport:
Increase total weekly time by ~5–10%
Rotate which discipline gets slightly longer each week
Adjust volume within ranges based on how you feel.
Progression target (over time)
You’re aiming to gradually tolerate:
Swim: 750–1000 m continuous
Bike: 45–60 min comfortable
Run: 30 min continuous (or run/walk equivalent)
No rush—timeline depends on your condition, not the race calendar.
Key mindset shift
You’re not just training for a race—you’re building a resilient system.
Progress = consistency without setbacks.
The help of a coach would go a long way to help ensure that you create a safe training plan. With the TriDot Training platform, an athlete can have the AI build a custom plan to the individual athlete.
Age, sex, years of experience are all factored into the plan. The number of workouts in each discipline can be selected, days of the week, intensity, and key metrics of heart rate, pace and power.
I would be happy to answer any questions you have.
Still have questions? Leave a comment—we’d love to hear from you.
Join the Conversation
Share your comments, questions, and experience below. You may also submit your question(s) through the website here.
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Medical Disclaimer
The content on SeniorTriathletes.com is for informational and educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult with your physician or a qualified healthcare provider before beginning or modifying any exercise, training, nutrition, or recovery program—especially if you have existing health conditions or concerns.
Participation in triathlon training and related activities involves inherent risks. By using this information, you acknowledge and accept full responsibility for your health and well-being. The author and contributors are not liable for any injuries or health issues that may result from the use of this content.
It’s June 3rd, a little over three months until the 2022 Ironman World Championship in Kona, triathlon’s most prestigious race. I’m halfway up Glendora Mountain Road on my road bike, and my legs are failing me. My heart rate is well above the ceiling my cardiologist set, and I can’t push another turn of the pedals. I put a foot down and collapse onto my handlebars, sweating and gasping for air.
Glendora Mountain is one of Southern California’s iconic climbs — eight miles of 4–8% grade. For years, it was a route I treated as a warmup before long days in the San Gabriel Mountains.
But on this day, I can’t finish it.
Earlier that week I had also struggled through a two-mile run and cut short a swim. A quiet panic begins to build as I picture the Kona race on the horizon.
This isn’t who I’ve been. I had open-heart mitral valve repair surgery at the end of January. I’ve followed the rehab plan, taken the medications, and rebuilt carefully under my cardiologist’s supervision. By now, I thought I’d be climbing strong again.
Hunched over my bike, I’m forced to confront a difficult question: how do I reconcile my identity as an endurance athlete with a body that feels fragile and unpredictable?
The Backstory
I qualified for Kona in June 2021 at Ironman Coeur d’Alene. The race was later postponed due to the pandemic, delaying what had felt like a rare opportunity.
For years I had known I had a faulty mitral valve. It became impossible to ignore when I collapsed at Ironman Santa Rosa after going into A-Fib. Doctors diagnosed a moderately leaking valve but initially recommended monitoring since I was still performing well.
Three months after qualifying for Kona, I failed on the run at the Arizona Half Ironman when my heart rate spiraled out of control. That moment made the situation clear. I could no longer dismiss what was happening.
Surgery became unavoidable.
Shortly before my scheduled surgery date, I contracted COVID, which forced a postponement. By the time I underwent open-heart mitral valve repair at the end of January, my condition had worsened. Complications followed — recurring A-Fib episodes and heart rates in the 150s — leading to a 13-day hospital stay. Recovery would require patience, medical supervision, and a reset of expectations.
By February, Kona in October still felt distant enough to aim toward. I committed to rehabilitation cautiously, understanding that progress would need to be gradual and closely monitored.
Returning to training wasn’t only about racing. It was about returning to the discipline of what I call “The Ironman Lifestyle.” This approach to life has shaped much of my adult life. Endurance sport has required structure — sleep, nutrition, balance — and it has helped stabilize both my physical and mental health.
Progress, however, came slowly.
Another bout of COVID delayed consistent training until June. By then, I was twenty pounds heavier, detrained, and easily winded. Even walking pushed my heart rate into the 100s.
For the first time, I wondered whether my 66-year-old body would respond the way it once had. I had always trusted that steady work would produce improvement. Now, after weeks of effort, the gains were minimal.
The psychological strain weighed heavily. Physical activity had long been my safeguard against depression. Without measurable progress, doubts crept in.
Thankfully, I wasn’t alone. My family and triathlon friends believed in me when I struggled to believe in myself. Their steady encouragement kept me moving forward, even when results lagged behind effort.
Resetting the Goal
While still in the hospital, I had established three goals:
Regain full mobility and daily function.
Complete an Ironman.
Perform competitively in an Ironman again.
By mid-summer, I had achieved the first goal. It became clear that chasing peak competitiveness this season was unrealistic. I shifted my focus to finishing Kona.
That adjustment brought relief. Instead of comparing myself to previous performances, I focused on building enough endurance to complete the race safely and within the allotted time.
In August, progress finally began to show. I lost weight, extended workouts, and recovered more consistently. With the help of training partners, I completed a 100-mile ride, an 18-mile run, and multiple 2.5-mile swims. They weren’t fast — but they were sufficient.
Consistent recovery after exercise is a key strategy for staying active with age. You can explore these insights further in our post on recovery strategies for triathletes over 50.
Race Week in Kona
I arrived in Kona six days before the race, joined by my wife and eight friends who made the trip to support me. Their presence felt like a reminder of how fortunate I was simply to stand on the starting line.
On race morning, I found a quiet place before my wave start and reflected on what had brought me there: being alive, having a supportive family, and being healthy enough to attempt one of the most demanding endurance events in the world.
When the horn sounded, the day began.
Race day at the 2022 Ironman Championship in Kona, Hawaii began with a relaxed swim in the Pacific Ocean.
The Bike: Managing the Effort
The swim was steady and uneventful. On the bike, I deliberately held back — riding about five miles per hour below the pace I would have targeted in previous years. Conservation was critical.
Around mile 100, climbing toward the scenic overlook on the Queen K Highway out of Waikoloa, fatigue caught up with me. A headwind and rising heat drained my legs. My nutrition stopped digesting properly, and nausea set in.
The final miles were about preservation. Speed no longer mattered. Forward progress did.
The Run: One Mile at a Time
In transition, I sat briefly and asked the only question that mattered: Did I have enough left to finish within the cutoff?
I realized I could think just as clearly while walking. So I stood up and began moving.
The first couple miles were slow — mostly walking. Anyone tracking online could see I was close to the time limit.
A few miles in, teammates met me on the course and told me the pace I needed to maintain. I settled into a controlled walk/jog rhythm, carefully monitoring effort to avoid pushing beyond safe limits.
At mile 18, I recognized something encouraging: I was slightly ahead of schedule. I could finish even with steading walking.
Relief replaced anxiety. The task became simple — keep moving.
🎧 Related Podcast: The Ironman Lifestyle – The Courage to Keep Moving Forward
Turning onto Ali’i Drive, I heard the unmistakable voice of the longtime Ironman announcer Mike Reilly welcoming finishers with his iconic “You Are An Ironman” call.
I don’t remember much of the final stretch. I moved in what felt like a slow shuffle up the finisher’s ramp.
At the line, I unzipped my tri suit and revealed for the photographers the scar from my open-heart surgery — not for attention, but as a quiet acknowledgment of what the previous nine months had required.
Then I collapsed.
Friends volunteering at the finish line guided me to the medical tent. After IV fluids, monitoring, and a brief visit to a trash can to relieve my unsettled stomach, I stabilized. One doctor, smiling after hearing the story, suggested I might not have been the brightest participant that day. He may not have been entirely wrong.
Darrell Myrick’s support team for the 2022 Ironman Championship included his wife Roxann, who captured this picture on the race course.
What the Journey Taught Me
Endurance sport often mirrors life. Both demand focus, patience, and adaptation. Neither unfolds as a steady line of personal bests.
Recovery required accepting realistic expectations rather than chasing earlier versions of myself. The challenge was not recreating the past, but discovering what remained possible.
The months between surgery and Kona were frustrating, humbling, and at times frightening. But they were also clarifying. Progress did not arrive on my preferred timeline, and success looked different than it once had.
Like life, Ironman rewards steady forward motion — however modest — especially when circumstances force you to redefine the goal.
Nine months after open-heart surgery, finishing in Kona was not about proving anything. It was about gratitude, resilience, and the quiet satisfaction of continuing when stopping would have been easier.
Have Questions or Comments for Darrell?
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A veteran, 68 year-old male triathlete sent the following question for our coaches after reading the last issue of the Senior Triathletes newsletter:
“Trying to get in shape for a 70.3 but have a torn meniscus root. Training ideas? Hoping to hold off total knee until fall and able to run some, bike and swim not affected. Injury hasn’t stopped me but slowed down. I am 70 and have done 6×70.3s and 2 fulls. Long time runner.”
Coach Jenn Reinhart’s Reply
Terry passed along the question you sent through the SeniorTriathletes.com website about continuing to train and race triathlon with a root meniscus tear. While I’m not an orthopedist, but I do have extensive experience with knee injuries—both personally and with athletes I’ve coached.
Over the years, we’ve worked through ACL tears, meniscus tears (including a root tear), MCL tears, patellar dislocations and fractures, and even total knee replacements. A root tear is a serious injury, and it’s important to approach it thoughtfully.
First and foremost, make sure you have a strong team guiding your decisions: your orthopedist, physical therapist, and coach. With a compromised knee, it’s critical to avoid compensatory patterns that can lead to secondary injuries in the hips, back, or opposite leg.
A physical therapist can assess strength deficits, range-of-motion limitations, and imbalances. I’ve also found that a well-cushioned running shoe can be helpful—visiting a specialty run store to find the right fit is worthwhile.
Protecting Your Knee is Priority #1
That said, with a root tear especially, protecting the knee from repetitive impact is essential. In some cases, an untreated root tear can significantly increase joint stress and accelerate degeneration. Long-term knee health needs to take priority over any single race or season.
If swelling increases, pain escalates during or after workouts, or you experience catching/locking sensations, those are signs to reduce load and reassess. Symptom progression should guide your training decisions in close coordination with your medical team.
Strength and balance are at the top of the list to maintain your activities with a knee injury. Having a thorough strength routine to keep your hips, glutes, quads, hamstrings, & calves strong, will go a long way to helping your injured knee. Maintaining good balance and core strength are also important as we age.
Lower Stress Running Alternatives
There are several effective alternatives to running that can help maintain fitness while limiting impact:
1. AlterG treadmill or Lever system
Both reduce landing forces by decreasing body weight. AlterG treadmills are expensive but often available in PT clinics. The Lever system is a more portable and affordable harness option. If available, you can split a long run between supported treadmill running and outdoor running. For example, during a 2-hour session: 30 minutes outside, 60 minutes on the AlterG/Lever, then 30 minutes outside. This reduces total impact while preserving some specificity. When running outdoors, softer surfaces like trails or tracks are preferable to concrete.
2. Elliptical training
A great low-impact alternative. Many athletes use the elliptical for Zone 2 sessions. For quality workouts, you can warm up on the elliptical, complete intervals on the treadmill or outdoors, then return to the elliptical for cooldown volume.
3. Deep water running
Aqua jogging is excellent for maintaining run fitness without impact. An aqua belt can help maintain proper body position. The resistance of the water allows you to closely replicate run mechanics, provided you have access to a pool deep enough to avoid foot contact.
Consider Non-Running Options For Your Training Program
1. Rowing (erg)
Rowing offers strong cardiovascular and full-body conditioning benefits. Proper form is essential to avoid secondary strain. Many gyms offer structured rowing sessions similar to cycling interval classes.
2. Substituting bike volume
You can also trade some Zone 2 runs for additional bike sessions. Improving bike fitness can pay off on race day by reducing overall fatigue heading into the run.
Have Questions?
I’m happy to answer any questions about implementing these alternatives. I’ve used all of them in my own training over the past decade and have seen athletes successfully maintain fitness while protecting their knees.
Share your comments, questions, and experience below. You may also submit your question(s) through the website here.
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Medical Disclaimer
This content is for educational purposes only and does not constitute medical advice. I am not a physician. Always consult your healthcare provider before making training or treatment decisions. You assume full responsibility for your participation in any exercise program.
Comments: We’d love to hear about your experience. Join the conversation below. All comments are reviewed before they appear.
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