David is the 2014 USATF Trail Runner of the Year at the sub-ultra distance. He is a two-time national champion and three-time member of Team USA. He graduated with honors from Columbia University with a degree in Environmental Science and received a master's degree and law degree with honors from Duke University. He is the co-owner of SWAP Running with Megan Roche, and also co-host with Megan for the SWAP podcast. Endurance Training Simplified Series Zach’s Low Carb Endurance Approach Series SFuels: sfuelsgolonger.com code: BITTER5 (FREE SAMPLE PACK LIMITED OFFER) Janji: janji.com code: Bitter10 LMNT: drinkLMNT.com/HPO deltaG: deltagketones.com - IG: @deltag.ketones Code: BITTER20 HPO Website: zachbitter.com/hposponsors Support HPO: zachbitter.com/hpo  Zach’s Coaching: zachbitter.com/coaching Zach’s Newsletter: substack.com/@zachbitter Find Zach: zachbitter.com - IG: @zachbitter - X/Tw: @zbitter - Substack: zachbitter.substack.com - FB: @zbitterendurance - Strava: Zach Bitter - TikTok: @zachbitter Threads: @zachbitter David: swaprunning.com - IG: @mountainroche - X: @mountainroche - Strava: David Roche