Marathon Handbook

Marathon Handbook

We are a passionate group of coaches and runners who enjoy sharing our knowledge about running and supporting others in their running adventures. Our mission is to inspire and assist people in their running goals. Whether you're lacing up your first pair of running shoes, preparing for your initial marathon, or aiming to achieve your best in a 100-mile ultramarathon, we're here to guide you every step of the way.

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  • 1 week ago | marathonhandbook.com | Amby Burfoot

    Jim Walmsley, winner of last year’s Western States 100 as well as three previous WS 100s, has disappeared from this year’s list of entrants. This presumably means that he is injured, and will not start the famous ultramarathon trail race through California’s Sierra Nevada mountains. The 47th official running of the WS 100 is scheduled for 5:00 a.m. Pacific time on Saturday, June 28.

  • 1 week ago | marathonhandbook.com | Jessy Carveth

    Philadelphia plays host this weekend to the third stop of the inaugural Grand Slam Track season, a new global league hoping to reshape the structure of elite track and field. Taking place at historic Franklin Field on the campus of the University of Pennsylvania, the two-day meet (May 31–June 1) will feature 96 athletes, 48 signed “Racers” and 48 invited “Challengers”, competing across sprint, hurdle, and distance events.

  • 1 week ago | marathonhandbook.com | Katelyn Tocci

    Let’s be real. Boston isn’t exactly built for speed—unless you’ve got a strong tailwind and legs of steel. Between the relentless ups and downs, unpredictable New England weather, and crowded, narrow roads at the start, this course is more challenge than cruise. But if you can pull off a PR here, that’s not just impressive—that’s superhero-level stuff. Here’s my hot take: Boston’s not where PRs go to die, but it’s where they go to fight for their lives.

  • 1 week ago | marathonhandbook.com | Jessy Carveth

    Conner Mantz made history on Memorial Day at the 2025 BOLDERBoulder, becoming the first man to win three consecutive professional titles at the storied 10K race in Boulder, Colorado. In a dramatic finish inside Folsom Field, Mantz outkicked Kenya’s Daniel Simiu Ebenyo to win in 28:20, just two seconds ahead of the Kenyan, who clocked 28:22.

  • 1 week ago | marathonhandbook.com | Jessy Carveth

    Strava just quietly dropped one of its most consequential updates in years: 4.45 million activities have been purged from the platform’s leaderboards, the result of a machine learning system built to flag “improper” uploads. Most of these deletions come from activities logged under the wrong sport, from car rides posing as bike commutes, to GPS glitches masquerading as record-setting sprints, to, in some cases, full-on fabricated performances.

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