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Coach Karen Mackin


Acton, Massachusetts

Years training:


Years coaching:


Cycling disciplines:

Road, gravel, mountain bike, multi-day (stage race and bikepacking), triathlon

For me, the best part of coaching is the connection I make with my athletes. It's important for me to really get to know them. When I find out what motivates them and really understand why they do what they do, I feel that I can better shape their training to provide balance, fun, and achievement. I enjoy watching the evolution of their motivation and performance as they grow as athletes.

Off the bike, I love mapping. I can spend hours poring over maps for useful information to build into an adventure. When I’m doing this, time stops. I can even forget to eat or go to sleep! Of course, all that mapping leads me back on the bike, where my reward is that I have a well-thought-out plan to discover hidden gems and explore little-known trails and out-of-the-way places.

Events I've participated in:

  • Road cycling: local, regional, and USA cycling nationals

  • Off-road cycling: cyclocross, mountain bike, and gravel events

  • Multi-day cycling: stage racing and bikepacking grand departs

  • USA triathlon and duathlon AG nationals

  • ITU AG world championships

  • Ironman USA

  • Nordic skiing 

  • US speedskating: marathon national championships

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