In-depth analysis, opinion, and long reads on the world of running
A breakdown of how Sawe ran 1:59:30 at London — splits, pacing crew, training block, and what the first sub-2 marathon means for the rest of the discipline.
Assefa, Obiri and Jepkosgei finished within 14 seconds of each other on a tactical race won on the final 200m. A look at how the women's marathon caught up to the headlines.
Jacob Kiplimo's marathon debut took seven seconds off Kelvin Kiptum's old world record — and still finished off the podium top two. What it means for his autumn campaign.
A new Bayesian meta-review confirms most heat adaptations appear within seven days and plateau at 10 to 14, with active protocols twice as effective per hour as saunas and hot baths.
Three days to gun time, the 46th TCS London Marathon has the settled feel of a fast day — we map the narrowing questions of pace, wind and who commits first to Kiptum's 2:01:25.
Six Golden Tickets, six deep men and six deep women — a breakdown of how the Canyons 100K startlist reshapes the Western States 100 maths before June.
From twin course-record bids to British women's sub-2:25 depth, we map out the narratives that will shape the 46th edition of the TCS London Marathon.
Behind the 15,000 children finishing on The Mall on Saturday sits a quieter story: 600,000 UK pupils running a "virtual mile" through the in-schools programme.
No American man has stood on the Boston podium since 1983. We break down the six genuine contenders and what it would actually take to end the streak.
Assefa, Jepchirchir, Obiri and Chepkoech all on the same start list — a modelling look at whether London's pacing and weather genuinely put the world record in play.
A new 12-year cohort study in JAMA Cardiology reopens the "too much marathon" question — we unpack the data behind the headlines.
A new meta-analysis of 37 cadence studies finds the 180spm rule of thumb has less evidence behind it than most training plans assume.
Ultra participation grew 17% year-on-year in 2025 — the fastest since 2019. Where are the new runners coming from, and which distances are driving it?
A 12-month Stanford cohort study tracked 428 runners and found that those sleeping under six hours had 1.6x the injury risk of seven-plus hour sleepers.