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

Dr. Dave will be challenging himself to complete the Javelina 100 mile in 2024, going from the couch to the 100 mile distance in a years time. Dave has an extensive background as a medical director, treating thousands of patients, including: Olympians, National Champions, sports teams, and professionals. After losing his own health in the pursuit of helping others find theirs, Dave and his family embarked on a wild journey that included living in a bus, working on organic farms, traveling the country before ultimately landing them in Austin, Texas.

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 Dave: mindofdave.com - IG: @mindofdave - YT: @mindofdaveMOD

Zach: zachbitter.com IG: @zachbitter X: @zbitter Substack: zachbitter.substack.com FB: @zbitterendurance Strava: Zach Bitter TikTok: @zachbitter Threads: @zachbitter

Dr. Andreas Eenfeldt is the founder/CEO of both Diet Doctor and HAVA. Diet Doctor focuses on providing information related to low carbohydrate ketogenic diets, and HAVA leverages an approach that focuses on key components of satiety to help users decide what food choices may best serve them.

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

Dr. Eenfeldt: dietdoctor.com & hava.co - X: @DrEenfeldt