B-insider

From May through August, most athletes see the same pattern: dark mornings, cold hands and feet, more bugs about – and a slow leak in training consistency. The goal in...

Ultra-endurance athlete Natalie Dau rewrote the record books again last month, completing her “Breaking 8” challenge by running 739.88km around the Penang Peninsula in just seven days in blisteringly hot, humid...

Veteran endurance athlete Mark Kleanthous, 65, (above, in green) is on course to run his fastest marathon in 25 years in London next month, with a target time of sub‑3:20 –...

Marathon performance is won or lost in the details: How much fuel you start with, how efficiently you use it, how well your muscles are perfused, and how fast you...

Professional US ultrarunner, scientist and coach Hillary Allen (left) brings a rare dual perspective to performance nutrition: She understands what matters in the lab, and what actually works when you’re deep...

You may have seen new broccoli‑sprout “lactate‑lowering shots” claiming to reduce lactic acid by 12%. It sounds appealing – but the key question for any serious athlete is simple: is...