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Ironman Hawaii Course Preview

If this is your first time racing Ironman Hawaii, it’s likely you don’t know what to expect. Yes, you may have watched every Ironman race on TV since 1978, but seeing it and experiencing it are completely different things. We hope the following advice will help shed some light on the race and have a great race in Kona.
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Bike Workouts to take you from the Base to Build Period

A general rule of thumb for writing a comprehensive training plan is that it should encompass progressive overload, be specific and take into account the individual needs of a specific athlete. Scientific approach to designing a training plan that follows such parameters is called periodization and has been initially introduced to the world of sport in ancient Greece. In 1940s eastern Germans and Romanians elaborated the methodology therefore it is them who are considered the modern fathers of periodization.
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5 Tips for Resuming Training after the Holidays

With the holiday season behind us we can focus on the upcoming race season. Many athletes jump into training during the winter without really having a road map of where they want to go. I have listed some easy to remember tips that will help you get back on track and set yourself up for a good race season this year.
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Using Zone 2 Heart Rate to Compare Different Power Meters

By using your power meter and correlating it with your heart rate you can really gain some insight into your fitness and recovery. The most important factor is that the power meter you use, is reliable and consistent day after day. Like many athletes I know, we often ride different bikes including a trainer throughout a week or training phase. The Z2 heart method is just 1 way to detect variance among power meters without doing full on threshold testing on each bike or trainer. This simply gives you an estimate of significant differences between different power meters.
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The Workout That Helped Me Nail Running Off the Bike in Half Ironmans

In August 2021, I raced my first half Ironman on home turf in Boulder, CO. Among my friends onthe CU Triathlon Team, doing a 70.3 after graduation was something of a rite of passage. So, inthe months leading up to the race, I felt both proud that it was finally my turn and a bit uncertain.
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Reconnect with your motivation in mid-season

Way back in winter and spring you dreamed about all the races you wanted to do in the coming raceseason. Motivated by the upcoming race season, workouts seemed like fun and starting your training bouts was no problem. Now it’s getting toward the end of the season...
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Between the Arms Hydration (BTA)

A few years ago, a video from Jim Manton of ERO Sports, ushered in a brief era of triathletes and time-trialing cyclists racing with water bottles down the front of their jerseys. Aero testing was showing results of a shocking 5-7 percent reduction in drag. Follow up testing by others found up to 9 percent reductions! This quickly became a trend with triathletes–arguably the biggest aero-gain bang-for-your-buck ever. I set my fastest ever 70.3 bike split with a bottle down my jersey on a course I’ve raced multiple times. I was sold!
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Mental Friction—Use It or Lube It

We all know that friction is bad in endurance sports. Wet suit collar—chafing. Heels and toes—blisters. Tri shorts rubbing in the wrong places—chafing again—all bad.
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Why Mobility Matters for Endurance Athletes—And the Risks of Ignoring It

Mobility isn’t just for yoga lovers—it’s foundational for endurance athletes. Mobility work plays a vital role in keeping your body moving efficiently, powerfully, and injury-free. Mobility is the ability of a joint to move actively through a range of motion with control. It’s not just about being flexible (that’s passive). True mobility requires strength, stability, and motor control throughout that range.
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Athlete Profile – Marek Aasna

Marek is a highly accomplished long-course triathlete, competing in the 45-49 age group.He resides in Turisalu Kula, Estonia, situated on the Gulf of Finland. When I began coaching Marek in 2021, he often recounted his early-morning swims in the chilly Gulf waters, often without a wetsuit, as temperatures frequently dropped into the low 40s.
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The Importance of Finding Your “Why” Ahead of Race Season

Triathlon, at any level, isn’t an easy endeavor. It requires dedication, sacrifice, a willingness to be challenged and face failure and investments mentally, physically and financially. With that comes anypressures we inevitably place on ourselves and may also feel from coaches, family and friends.
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Coach Jim's Favorite Bike-Run Workout

Coach Jim Hallberg covers his favorite run-bike workout and why it's effective for triathletes.
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The Importance of Warm-Up

In triathlon, the warm-up is when the body and mind prepare for the upcoming training or racing activity. A typical warm-up includes a short, low-intensity aerobic activity often associated with a sport-specific activity. A pre-activity warm-up increases muscle and tendon suppleness, blood flow, and muscle temperature, lubricates joints, and improves coordinated movement. A quality warm-up can also improve performance and lower the risk of injury. The warm-up is essential in physically and physiologically preparing the athlete for the upcoming training, racing intensity, and volume. 
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D3 Multisport Featured Athlete, March 2025 - Martin Garcia-Huidobro

From 300 pounds to completing his first triathlons across multiple distances (sprint, Olympic and 70.3), Martin continues to be an inspiration to me, his family and friends.
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Moving from Base Training into Early Season Racing as a Triathlete: Incorporating a Brick workout with Progressive Intensity

Base training in the winter is to build a strong aerobic foundation that supports higher-intensity training in the spring and summer. You’ve hopefully already been building your low-intensity volume, working on form/technique, strength training, and mobility. As the winter months are coming to a close, your race schedule is starting to come together, and you’re ready to start incorporating higher intensity, here is a great workout to include in your training.
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You People are Making me Crazy!  How to Swim a Group Workout

Over my lifetime as an athlete and a coach, I’m sure I’ve spent cumulative years of my life on a pool deck and in the pool. I’ve observed that most everyone knows the basics of circle swimming, but there are additional nuances to group workout etiquette. When I coach or swim in a group, I want everyone to be able to hit the goals of the workout. At the risk of sounding like an old man shouting at clouds, here are my top five gripes about group workout lack-of-etiquitte, and how to be a better group swimmer.
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Winter Reading List

As the racing season winds down for many endurance athletes in the Northern Hemisphere, it'sthe perfect opportunity to shift focus from race-day efforts to building a stronger, more resilient body for next season. To help you make the most of the off-season, I’ve compiled a list of my top book recommendations
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Strength Training Will Make you Faster Next Season - Part I

As we close out the race season and head toward the off-season, it’s a good time evaluate what our strengths and weaknesses are so we can work on them for the next off-season.
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Picking Apples Run Activation Routine

A good training program has variety and this time of the year I like to change the planes my athletes are used to training in, to something a little different.
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Arthritis and Athletes

Five weeks ago, a journey that you could say started over 25 years ago, ended with a second knee replacement in my left leg (first, right, was done 5 weeks before that).
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