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Matteo Sargenti

He is the founder of The Running Week, a runner, and a lifelong sports enthusiast dedicated to sharing practical advice, inspiring stories, and evidence-based training tips.

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A New Zealand Lawyer Just Ran an Ultramarathon Every Day for 1,000 Days, and the Numbers Behind It Are Absurd

Shannon-Leigh Litt just finished 1,000 consecutive ultramarathons, a Guinness World Record ten times the previous mark. The training math, the recovery science, and what actually breaks first.

Natalie Villalobos Finished the 70.3 World Championship at 21 Weeks Pregnant With an Ultrasound in Her Hand

Natalie Villalobos, 29, finished the 2026 IRONMAN 70.3 World Championship in Nice at 21 weeks pregnant, qualifying before she knew she was expecting.

The Post-Marathon Crash Nobody Warns You About

You cross the line. You get the medal. You eat something greasy. You sleep for ten hours. And by Wednesday, you feel like the floor dropped out.

RED-S: The Female Runner Health Crisis Nobody Puts a Name On

You have probably heard a friend say she stopped getting her period a few months into marathon training. She probably called it normal for runners. It is not normal, and it has a name.

Zion Just Became the First US National Park to Own an All-Terrain Wheelchair, and Every Other Park Is Now Behind

Zion is the first US national park to own an Extreme Motus all-terrain wheelchair for free public use. What the program covers, why it matters for adaptive athletes, and where guided trail runners fit in.

Contact Lost With British Adventurer Ash Dykes During Congo Basin Expedition

Welsh adventurer Ash Dykes and his crew have been out of contact for more than 16 hours on a 700 km kayak expedition down the Sangha River. What is known so far.

DeerRun X20 foldable incline treadmill in use in a living room

DeerRun X20 Review: A Folding 15% Incline Treadmill Built for Small Spaces

The DeerRun X20 packs a 15% auto incline, an 11.3 mph top speed and a 400 lb capacity into a treadmill that folds to 7.3 inches. Here is what it does well, where it falls short, and who should buy it.

Altitude Masks for Amateur Runners: Do They Actually Do Anything?

You have seen the photo. A runner on a track wearing what looks like a Bane mask, mouth covered, valves clicking, chest heaving. The caption says altitude training. The claim is that the mask simulates 6,000 feet of elevation.

26 Years Old, 26.2 Miles, on Her 26th Birthday: Raising Money for Alzheimer's Association

Kaileigh Sly did not set out to become the runner people would remember from the 2026 Akron Marathon. She just kept noticing the number 26.

Impaled by His Own Trekking Pole, David Cifaldi Hiked 10 Miles Off Montana's Highest Peak

David Cifaldi is 32 years old. He is an emergency room nurse. On July 20, 2026, he was crossing Montana's Froze-to-Death Plateau on his way to the summit of Granite Peak when he slipped on loose rock at around 11,800 feet.

The Number on Your Running Watch That Tells You to Stop Training. Most Runners Are Ignoring It

Heart Rate Variability (HRV) is the earliest warning sign of overtraining. Here is what the number on your watch is actually telling you, and how to act on it before it wrecks a training block.

How Much Money the 2026 Chicago Marathon Winner Earned (and the $50,000 Amos Kipruto Missed by 34 Seconds)

Amos Kipruto earned $100,000 for winning the 2026 Bank of America Chicago Marathon in 2:01:09, missing a $50,000 course record bonus by 34 seconds. Full purse breakdown.