Rachel Entrekin recently cemented her legacy in the growth of multiday trail ultramarathons with her outright course record and third win at the Cocodona 250. We talk about how her race played out, her life has changed since going pro earlier this year, and what her performance has taught us about the many variables to success at multiday ultramarathons.

For a full picture of Rachel's transition into professional ultra runner, please check out my previous episode with her, Episode 477: Cocodona 250 Ultra Champ | Rachel Entrekin

Rachel: rachelentrekin.substack.com | IG: @rachel__entrekin

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Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter

Cocodona 250 Mile had all the ingredients to go viral beyond the world of running. I dive into the variables that led to it, what we are learning around the weight of certain performance variables like running ability and durability, and why the event has a polarizing aspect to it.

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Jacob Thomson is a professional marathon runner for Under Armour. He recently raced Boston in a time of 2 hours 9 minutes 51 seconds. He co-hosts the Out and Back Podcast with Rory Linkletter. We discuss elite training, innovative shoe tech, the role of high in race carb fueling, doping influence on professional sports, and how to navigate the world of influence and sponsorship in running's modern era.

Jacob: thomsontraining.run | IG: @jtcougars8 | YT: @jacobthomson4360

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Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter

Super shoes, extreme in race carb consumption, and doping was a big topic in the running news the past week. We saw both Sebastian Sawe and Yomif Kejelcha go under 2 hours for the first time in a sanctioned event. Much of the conversation around these performances were centered around innovations in shoe technology, carbohydrate fueling strategies, and doping suspicion.

Episode Sponsors:

ProBio: probionutrition.com/endurance Code: Endurance (20% Off)

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Brant Stachel guides high performing athletes and individuals to reach their goals. Brant has worked with elite athletes representing Canada and the United States, including Olympians and international competitors. Brant has been working with Thomas Nobbs who has continually progressed towards a 2:09 marathon and win at the McKirdy MicroOTQ Marathon.

Brant: runfastandfree.com | IG: @brant_stachel

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Wahoo KICKR Run: wahoofitness.com Code: OUTLIER free bluetooth fan ($319 value)

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Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter

Tommy Lewis hosts the podcast, That's Runnable, and is a content creator with a passion to introduce people to running. He joined the show to discuss the role influencers and athletes play in growing the sport of running, where conflicts arise, and what he believes the path forward is for these two influential groups.

Tommy: thatsrunnable.com | IG: @tommyrunpt

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Mike McKnight is an ultramarathon athlete, coach, and former Triple Crown of 200s record holder. He is a trailblazer for 200+ mile trail events, and on a mission this year to win as many as possible. He recently won and set the course record at the Arizona 300 Mile, and has his sights on Cocodona 250, Tahoe 200, Hardrock 100, Bigfoot 200, and Moab 240 this year.

Mike: greatwesternadventures.com | IG: @mikejmcknight

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Dr. James DiNicolantonio is a cardiovascular research scientist and Doctor of Pharmacy and has worked with professional athletes across sports. We cover the topic of fueling sport, and what to make of the extremes often discussed online.

James: drjamesdinic.com | IG: @drjamesdinic | X: @drjamesdinic | YouTube: @dr.jamesdinicolantonio2215

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Podcast Details:

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Find Zach: zachbitter.com | IG: @zachbitter | X: @zbitter | FB: Zach Bitter | Strava: Zach Bitter

Mark Dowdle specializes in long multi-day and backyard ultramarathons. He shares his experience coming from a non-running background. We discuss what makes multi-day ultras and backyard ultras unique and how the variables impacting performance shift compared to shorter ultras and endurance events.

Mark Dowdle: www.mark-dowdle.com | IG: @mark.dowdle | YT: @mark.dowdle

Episode Sponsors:

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

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For this episode, I dive into some of the extremes we often see with respect to fueling strategies in endurance sports, both on the high and low end of carbohydrate consumption, and what we can make of it all.

Wahoo KICKR Run: wahoofitness.com Code: OUTLIER (free HR monitor with purchase)

ProBio: probionutrition.com/endurance Code: Endurance (20% Off)

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

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

Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial)

Jonah Rosner is a sport scientist, performance coach, and the founder of Marathon Science, a platform dedicated to translating cutting-edge endurance research into practical insights for runners and hybrid athletes. Jonah previously worked in the NFL and now focuses on helping endurance athletes train smarter through evidence-based training, nutrition, and performance strategies.

Jonah: @rosnerperformance | Newsletter: marathonscience.beehiiv.com

Free resources for audience from Jonah

1. The Gel Cheat Sheet - breaks down race-day fueling strategy, gel timing, and the carbohydrate recommendations we discussed. Exactly the kind of practical takeaway your audience can use immediately. https://marathonscience.beehiiv.com/new-gel-guide

2. The Foot and Calf Strength Plan - a free gym program targeting the musculature below the knee that we touched on when talking about BFR and neuromuscular durability for endurance athletes. Covers calf raises, single-leg work, and progressive loading. https://marathonscience.beehiiv.com/foot-calf-strength-guide-new

Episode Sponsors:

ProBio: probionutrition.com/endurance Code: Endurance (20% Off)

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

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

Training Peaks: https://bit.ly/4bN041t Code HPOPOD (free 14-day trial)