Charlie Allenby
Freelance Writer
Charlie Allenby is a London-based freelance writer with over a decade of experience writing about running, cycling and adventure sports for the likes of Runner's World, Cycling Plus, Cycling Weekly, Time Out London and The Guardian. His running journey started with the Royal Parks Half in 2017 and he's been hooked ever since, ticking off multiple marathons with a current PB of 2:43. In 2024, he started dabbling in the world of ultramarathons, pushing his body and mind to their limits in a Backyard Ultra (8 laps) and two laps of the Gloucestershire-based, Barkley-inspired Berkeley Marathons. Find him on LinkedIn
How to improve your VO2 max
Your VO2 max is a key indicator of your cardiovascular health – and working on it could do wonders for both your running performance and overall health
From sleep to recovery – the expert’s guide to optimising your rest for your next race
Whether you’re chasing a PB or just looking to perform at your peak, prioritising your shut-eye can make all the difference
How I survived my first 24-hour running relay
The tricks, tips and essential kit that kept me going for the ultimate endurance test
The Berkeley Marathons
Inspired by Lazarus Lake, the UK's own Barkley marathons has had zero finishers