Your Complete Knowledge Center
D3 University is our library of articles and videos from the D3 coaches and other experts to help you train and race your best.
Benefits of Triathlon Training Partners
“Don’t be fooled into thinking that you have the capacity to achieve your best on your own. A training partner in the gym is a great asset because when you think you have reached your limit, there is someone who…
Iroman Guru’s Quest for the Perfect Tri Bike
A New Bike (spoiler, another Dimond) I guess deep down in my subconscious I am feeling optimistic about a future with Covid at least under control enough to allow life to go on close to normal. Otherwise, I would not…
Two Essential Metrics to Formulate your Bike Power Zones
When we engage in training, our body undergoes specific adaptations in the hope of improving the body’s efficiency and capacity. Athletes train in specific zones to apply a measured amount of intensity to improve targeted areas of their physiology. When…
Excelling at Off-road Triathlons
Whether you love nature or just want to challenge yourself with something new, many triathletes often eventually try their hand at off-road events. It often comes as a shock, however, that their hard-earned fitness at road triathlons doesn’t always translate…
Zwift: Tool or Toy?
Several years ago when Zwift was new, I did a one-week trial and decided that it was interesting, but not for me. I do my fair share of indoor training and had been pretty satisfied with my “serious” indoor tools…
Reinventing Your Pain Cave
For the 20 years we’ve lived in our current house, I’ve had a small but functional pain cave set up in a dark corner of the basement. Over the years, I’ve tinkered and added equipment but it has remained a…
Aero, Part II: an Aerodynamic Shrug
In July, I shared an article highlighting a conversation I had with Jesse Frank, Human Performance Engineer at the Specialized Win Tunnel, and shared his Top 8 recommendations to achieve better aerodynamics. This follow-up article goes deep on a simple…
Learn To Train And Race By Feel
We triathletes sure love our gadgets. We have power meters to measure our bike and run efforts. We measure and record our strokes per lap, RPM and cadence. While these tools can be useful to help us understand our…
Heads Are Not Aero
If you’re taking your aero advice from random social media posts or perhaps worse, the forum of a certain triathlon-related website, pay attention to what follows! Jesse Frank, Human Performance Engineer at the Specialized Win Tunnel, dropped some knowledge on…
My Love-Hate Relationship with Bike Trainers
A useful tool for the majority of the triathlete community is the stationary bike trainer. The stationary trainer has become a great alternative to riding in congested traffic areas, dangerous weather conditions, and global pandemics. Trainers are an effective tool…
Bike Skills: Safety
In the world of triathlon racing and training, bike handling is a must-have for improved performance. No, this might not raise your threshold, but with proper bike handling skills, you will be safer, develop more confidence and you can become…
This is a Good Time to Experiment!
If there ever was a time to do some experimenting with your training or other aspects of the multisport life this is it. The idea is not new and you almost certainly see suggestions like this at the end of…
Winter Workout Ideas
I have personally been using my treadmill more and more lately. Partly due to cold temps and early mornings, and partly due to convenience. Treadmill running can provide a few benefits including a little more cushion for all the miles…
Remember These Tips When Riding in Traffic
Cycling is a beautiful part of our sport. It can be liberating and adventurous but unfortunately, at times, dangerous. Thankfully we have choices to ride inside with Zwift, TrainerRoad, or just on the trainer. But how do we keep ourselves…
THE COUNTERBALANCE TO USING ZWIFT
Not too long ago, I would hop on my bike trainer, my very expensive fluid trainer, and ride. I would watch Sports Center, or a movie, or reruns of Ironmans and Tour de France races. I would count down the…