Alyssa Clark has covered a wide range of events in the ultramarathon world. She has wins at Moab 240, HURT 100 Mile, San Diego 100 Mile, Ouray 100 Mile, and Canyons 100 Mile to name a few. Alyssa also battles ulcerative colitis, presenting an additional hurdle when fueling daily and during races that entail a large nutrition variable.

Endurance Training Simplified Series

Zach’s Low Carb Endurance Approach Series

LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

deltaG: deltagketones.com Code: BITTER20 (20% Off)

Maui Nui Venison: mauinuivenison.com/bitter

CurraNZ: curranzusa.com Code: Bitter20deal (20% Off)

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HPO Website: zachbitter.com/hpo 

Amazon Store: amazon.com/shop/zachbitter

Zach’s Coaching: zachbitter.com/coaching

Zach’s Newsletter: substack.com/@zachbitter

Find Zach: zachbitter.com - IG: @zachbitter - X/Tw: @zbitter - FB: @zbitterendurance - Strava: Zach Bitter 

Alyssa: theoryinmotion.substack.com - IG: @theory_in_motion - uphillathlete.com/coach/alyssa-clark