This week we welcome you behind the scenes of Microcosm Coaching with a quick introduction to Coach Zachary Russell, an athletic trainer and strength coach whose multisport background spans Ironman, triathlon, marathoning, and trail running. He shares what kinds of athletes light him up to coach and how his experience across disciplines shapes the way he builds plans.

Then Zoë and TJ dig into TJ's recent Canyons Endurance Run 100K, which he completed roughly 80 minutes off his goal time after a brutal stretch of life context, including his dad's ongoing health and the loss of his uncle the night before the race. They talk about how Cliff and TJ restructured the build entirely, doing more base earlier and less intensity later, and yet Training Peaks read his fitness as identical to previous cycles. They get honest about caretaker stress, mental bandwidth, the choice to keep the door open to joy even when training feels heavy, and why the comparison trap between seasons can quietly steal everything.

The bulk of the episode tackles a listener question from Delaney, who has noticed the same faces at every ultra and is wondering whether stringing races together actually counts as training. Zoë and TJ define training the way Microcosm uses it, intentional movement with an adaptive purpose, and reframe it as a continuum rather than a binary. They unpack the B race concept, the difference between racing it and running it, the lily pad effect of bouncing race to race without ever integrating what you learned, and the diminishing returns of using events as a substitute for consistency. They also offer a few honest questions to ask yourself, including whether you would still be putting in this volume if nothing were on the calendar, and what it means to build a higher floor in the interstitial periods most runners ignore.

Have a question for the show? Email us at microcosmcoaching@gmail.com and check out microcosmcoaching.com to learn more about working with our coaches.