Browse newsletters about endurance sports

How to Be a Polar Explorer | Substack

by How to Be a Polar Explorer

Monet, the first American woman to ski solo to the South Pole, shares unfiltered truths about training, polar history, and chasing big dreams.

Knowledgeiswatt English | Substack

by Knowledgeiswatt

Knowledge is Watt provides weekly reviews of cycling performance research, translating complex data into actionable insights for cyclists, coaches, and sport scientists.

Marco Altini’s Substack | Substack

by Marco Altini

Marco Altini, a scientist and the creator of HRV4Training, explores the intersection of physiology, technology, health, performance, and endurance coaching.

Competitor.com

Competitor.com covers The IRONMAN Group's global portfolio of triathlons, marathons, bike races, & trail running events for 1M+ participants.

Trail Runner magazine’s Inside Dirt weekly newsletter

Trail Runner magazine's Inside Dirt delivers weekly news, tips, and culture for off-road runners. It advocates for diversity, accessibility, and public land use.

GRVL Magazine

GRVL Magazine delivers stories, features, and deep dives into the world of professional gravel cycling, sharing the sport with a growing audience.

iRunFar.com

iRunFar.com provides in-depth ultrarunning news, race reports, gear reviews, and training advice for runners pushing their limits.

Mario Fraioli’s Morning Shakeout

Mario Fraioli's weekly Morning Shakeout shares unapologetic insights and opinions on running & other topics, informed by his unique athlete, coach, and journalist perspective.

UltraRunning Magazine

UltraRunning, the voice of the sport since 1981, offers comprehensive articles on all aspects for participants, written by experienced ultrarunners.

Endurance sports quest Newsletter guides athletes through training, nutrition, gear, and race strategies to conquer their ultimate endurance challenges.