Human Performance Outliers Podcast with Zach Bitter

54:28

Episode 503: Last Soul Ultra Steals The Show | Kim...

Human Performance Outliers Podcast with Zach Bitter ·

2026/09/25

Kim Gottwald is a German ultra runner and content creator who went from law student to backyard-ultra standout by documenting extreme projects in public, including a co-win at Go One More in Texas, and a 449 km Last Soul Ultra victory at home. He co-founded the running brand Rappid, became BPN's first German athlete, and now hosts Germany's Last Soul Ultra. He has big plans for expanding Last Soul Ultra into multiple locations, including the US. Kim: kimgottwald.info | IG: @kim.gottwald | YT:

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01:14:34

Episode 502: Backyard Ultra Records & Recovery | Phil...

Human Performance Outliers Podcast with Zach Bitter ·

2026/09/22

Phil Gore holds the World Best mark for the Backyard format, completing 119 "yards" for a total of 495.83miles. He recently completed a personal project, called Project 168, where he aimed to see if he would be able to last 168 yards (700 miles). He ended up tapping out at 152 yards (633.75 miles). We discussed this project, what the limiters were, how they have created a longer recovery, and what direction the Backyard Ultra World is going, and how his event raised nearly $300,000 for Telethon, a

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01:19:36

Episode 501: First Double Amputee To Finish Leadville...

Human Performance Outliers Podcast with Zach Bitter ·

2026/09/10

Brian Reynolds is a Brooks-sponsored double below-knee amputee runner who, in 2026, became the first athlete in that category to finish the Leadville Trail 100 — on his fourth try, in 28 hours 55 minutes. He lost both legs at age four to meningococcemia, a rare bacterial infection with grim survival odds. For years he hid the amputation and stayed off the trails. A Grand Canyon hike cracked that open. He went from powerlifting to a 2:58 marathon, multiple classification records from 5K to the

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24:26

Run The News | Phil Gore Shocks Backyard World & Meg...

Human Performance Outliers Podcast with Zach Bitter ·

2026/09/07

Phil Gore holds the World Best Backyard record with 119 yards (495.87 miles). In an effort to see what he could actually do, he set up a project targeting yards/hours. Meg Eckert may be the most underrated ultramarathon athlete in the game right now. She is currently on pace to break her own women's 6-day World Record, and also the outright American Record. Finally, I touch on some thoughts around the UTMB events. Episode Sponsors: LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG:

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01:12:56

Episode 500: The Truth Behind Run Slow To Run Fast |...

Human Performance Outliers Podcast with Zach Bitter ·

2026/09/03

Thomas Nobbs is a professional marathon athlete with a 2:09 PR, and endurance coach. His progression to 2:09 speaks for itself, and his public strava profile shows how he has balanced lots of low intensity running and key quality sessions. Thomas is currently training for the Chicago Marathon, where he plans to once again improve his marathon PR. Thomas: teamrunrun.com/coach/tom-nobbs | IG: @nobbs.not.knobs | Strava: Thomas Nobbs Episode Sponsors: LMNT: drinkLMNT.com/HPO (free sample pack with

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01:12:50

Episode 499: RED-S & Body Composition | Dr. Trent...

Human Performance Outliers Podcast with Zach Bitter ·

2026/08/28

Dr. Trent Stellingwerff joined the show to discuss the topic of relative energy deficiency syndrome (RED-S) in endurance athletes, and body competition management. Trent is the Chief Performance Officer (CPO) at the Canadian Sports Institute. Trent has developed many national and international collaborations in various applied research projects in the fields of nutrition and physiology, and been a part of 8 IOC position statements. Trent joined the show to discuss the topic of relative energy

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01:01:14

Run The News | Mark Dowdle Goes Crazy At Last Soul Ultra

Human Performance Outliers Podcast with Zach Bitter ·

2026/08/24

Mark Dowdle arrives 15 minutes before the start of Last Soul Ultra, but still wins with nearly 400 miles. Should we have more unsupported ultra running events? Badwater 135 lack of streaming and interesting shoe policy. Jeff Garmire joins me to discuss and share his upcoming documentary. Jeff Garmire: freeoutside.com | IG: @thefreeoutside | YT: @Freeoutside Episode Sponsors: LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Kila Insoles:

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01:29:16

Episode 498: 2:59 to 2:18 Marathon | Matt Fox - Sweat...

Human Performance Outliers Podcast with Zach Bitter ·

2026/08/20

Matt Fox joined me to chat about his interest in the marathon after coming from a National class middle distance background, his trajectory with content creation, the Chinese running shoe market, and his power weight ratio journey. Matt Fox: sweatelite.co | IG: @mattinglisfox Episode Sponsors: LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Kila Insoles: kilarun.com Code: BITTER ($50 Off) Episode summary: Zach Bitter interviews

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26:11

Episode 497: Blood Clot Defeated & Return To Training

Human Performance Outliers Podcast with Zach Bitter ·

2026/08/13

I reached the end of my journey with the blood clot I discovered at the end of June. I learned a lot through the process, along with information about my personal risk for blood clotting. I unpack all of that and share my return to training. Episode Sponsors: LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20 (20% Off) Kila Insoles: kilarun.com Code: BITTER ($50 Off) Podcast Details: Support HPO: zachbitter.com/hposponsors HPO Website:

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01:09:37

Episode 496: Fueling Your Ultra: Strategies &...

Human Performance Outliers Podcast with Zach Bitter ·

2026/08/07

Vic Johnson shares the practical limits of high-carb strategies, discusses how carbohydrate needs can exceed what the gut can absorb, especially under heat and high intensity. Vic shares typical successful ranges, why hotter races and faster pacing worsen digestion, and emphasizes consistent intake over large boluses that can trigger GI issues. They discuss individualizing targets for mid-pack runners, finding a personal carb "cap" in training then scaling back for race day, sex differences (body

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01:55:25

Episode 495: Performance Enhancing Drugs In...

Human Performance Outliers Podcast with Zach Bitter ·

2026/07/29

Kilian Korth joined the show to have a discussion around ultrarunning's growing professionalization without sophisticated regulated drug testing, the limits and trade-offs of WADA/USADA-style regimes, and why "doping" as a blanket term obscures intent and severity. We unpack gray areas such as THC thresholds, TUE complexity for common medications, transparency vs backlash, influencer incentives, and the future pressure regenerative medicine and technology (e.g., super shoes) may place on sport

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01:14:16

Run The News | Josh Kerr Shatters 27 Year Old Mile...

Human Performance Outliers Podcast with Zach Bitter ·

2026/07/20

Josh Kerr shattered the mile World Record, running 3:42.66. Everett Smulders has run 3:58 in the mile, and follows the sport closely, so he joined me to discuss everything surrounding this historic day. We dive into what made this such a mainstream attention grabber, what made it stand out from similar accomplishments, and a variety of other topics. Everett: wesflytrained.club/apply? I IG: @coachsmulders Episode Sponsors: True Nutrition: truenutrition.com/hpo Code: HPO

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01:02:32

Run The News | Backyard Ultra Records Disqualified at...

Human Performance Outliers Podcast with Zach Bitter ·

2026/07/17

There was recently some controversy at the Biotropica Backyard Ultra where both the men's and women's world bests were broken. After the event concluded, it was revealed that some violations occurred, causing all results from the event to be disqualified, including the top performances. Mark Dowdle joined me to discuss what happened, along with other related topics around rules in the sport of ultra marathon. Mark Dowdle: IG @mark.dowdle | YT @mark.dowdle Episode Sponsors: ProBio:

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01:02:47

Episode 494: Developing As An Ultramarathon Runner |...

Human Performance Outliers Podcast with Zach Bitter ·

2026/07/13

Lotti Brinks is a rising star in the sport of trail ultramarathon. She has improved year over year, which recently resulted in finishing 5th at the 2026 WSER 100. She joins the show to discuss history with the sport of running, introduction to the sport of ultramarathon, becoming a professional athlete with Hoka, the growing trend of race day optimization with team training camps, and how she has shaped her mindset to stay balanced in life outside of being a professional runner. Lotti Brinks:

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49:46

Episode 493: Comrades Champion | George Kusche

Human Performance Outliers Podcast with Zach Bitter ·

2026/07/05

The Comrades Marathon is one of the most competitive ultramarathons on the planet. The 99th running of the historic point to point course recently saw both the men's and women's course records go down. George Kusche was the men's and overall winner with a time of 5 hours 15 minutes 56 seconds over the 85.77 km net uphill course. George Kusche: @kuschegeorge Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

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41:29

Run The News | Did WSER 100 Highlight A Missed Pacing...

Human Performance Outliers Podcast with Zach Bitter ·

2026/06/29

WSER 100 2026 was defined by large improvements in finishing times across both the men's and women's top finishers. What does the historically cooler temps help tell us about the next big performance boosting strategy for ultramarathon races? Nick Coury joins me to discuss the pacing variable that may still yield big improvements at races like WSER 100. Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase)

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14:13

Run The News | Downhill Treadmill & Heat Training

Human Performance Outliers Podcast with Zach Bitter ·

2026/06/26

Some eye catching training techniques have recently been highlighted in the running world. These included what appears to be an excessive degree weighted downhill treadmill work, and heat train maxxing. I give some thoughts on both, and what they mean for the average runner. 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) Podcast Details:

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18:48

Episode 492: My Blood Clot Diagnosis

Human Performance Outliers Podcast with Zach Bitter ·

2026/06/24

I was recently diagnosed with deep vein thrombosis (DVT) or a blood clot. I was traveling for a race when symptoms presented. This is a timeline of the events that led to me getting checked and confirmed. DVT is a situation where if you don't act soon, it can get very bad. Getting checked when symptoms present is very important, and I hope to highlight that with my story. Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack

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24:36

Run The News | Enhanced Games Failure? Fuel Abundance...

Human Performance Outliers Podcast with Zach Bitter ·

2026/06/15

On paper, the Enhanced Games was a massive failure, but was success the real goal or something bigger? Hyper carb fueling strategies are all the rage right now, but is there more to this approach than gut training on race day? The Comrades Marathon produced course records on both the men's and women's side of the event. Episode Sponsors: ProBio: probionutrition.com/endurance Code: Endurance (20% Off) LMNT: drinkLMNT.com/HPO (free sample pack with purchase) deltaG: deltagketones.com Code: BITTER20

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01:17:50

Episode 491: The Art Of Ultrarunning | Ian Sharman

Human Performance Outliers Podcast with Zach Bitter ·

2026/06/12

Ian Sharman is a legend in the ultramarathon space, finishing top ten at WSER 100 nine times, four wins at Leadville 100 mile, and a wealth of knowledge with respect to training theory and the variables that make for successful ultramarathon results. Ian recently published a book, "Art of Ultrarunning: Tried & Tested Strategies for Long-Distance Runners." We spent some time covering what he has learned throughout his career as an athlete and coach. Ian: sharmanultra.com | IG: @sharmanian | X:

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