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Goal Oriented with Clear Communication
We strive to use proactive communication to specify the training needed to reach your desired goals.We strive to use proactive communication to specify the training needed to reach your desired goals.
Data Driven
Empirical tracking and planning based on testing to create custom cycling coaching and multisport training plans.
Individualized Training
Your cycling coach or multisport coach will construct your training based on  individual goals, physiology, strengths and weaknesses, time constraints, and other considerations.
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“My season goal was to finish DK200.  Goal crushed.  I can’t say enough how well the plan leading up to Dirty Kanza worked out.  Perfect on so many levels, I was beyond ready mentally and physically, evidence by beating my DK goal by almost 2hrs.  BWR challenged me technically, but the rest was a piece of cake in terms of my readiness for the duration and heat.”
– Sonja Johnson
“I’ve loved working with Grand and Source Endurance so far, really happy wtih the results I’ve been seeing this cross season!”
– Alex Edwards
“Elliot Reinecke came up with a fantastic training plan for me that worked around my work schedule and other races this season. He did a great job getting my endurance gradually built up, and always pushed me just up to the brink, but never over it, always allowing for enough recovery to let the fitness build.”
-Casey Cohenmeyer
“Just wanted to say the year is turning out okay despite rocky winter. Steady build has me seeing power numbers as high as I’ve seen in a decade. Now onward to DK 200. Thanks for the guidance!”
-Trey Harrison
I was very impressed with the Source Endurance facility and the abundance of knowledge in the room. Everything from the first meeting, the website, the layout of your daily training, the workout specificity, the laboratory, and the knowledge of my coach is top notch. I have never seen so much thought and structure put into an athlete’s preparation. It’s that attention to detail that takes an athlete to the next level. I know I will reach all my goals under the guidance of Source Endurance and Derick Williamson.
-James Cotter, SE Elite Athlete
“I can’t say enough about how great this Time T