outdoorperks

Tested on trails. Built for adventure.

A column by Clay Masterson

News

From 24 Stone to the Sahara: Lessons in Radical Endurance Training

That's the starting weight the Daily Mirror splashed across its pages this week — a man who used to haul that frame through daily life, now training for the Marathon des Sables.

Clay Masterson, Backcountry Conditioning Expert & Gear Pragmatist·updated August 08, 2026

From 24 Stone to the Sahara: Lessons in Radical Endurance Training

Twenty-four stone. That's the starting weight the Daily Mirror splashed across its pages this week — a man who used to haul that frame through daily life, now training for the Marathon des Sables. If you're a trail runner, read that headline twice and stop pretending your excuse weighs anything.

The desert doesn't read your bio

The Marathon des Sables is a multi-stage ultramarathon across the Sahara, the kind of event that punishes every shortcut you ever took in training. Heat. Sand. Cumulative fatigue stacking up over days until your legs stop recognizing your own commands. A guy stepping off at 24 stone doesn't just need to drop mass — he has to rebuild his whole kinetic chain from the ground up. Load distribution under the frame. Foot strike on unstable surfaces. Thermoregulation under sustained effort. None of that comes from a before-and-after photo. That comes from years of grinding.

Your last miles are lying to you

Runner's World just dropped a piece on why runners fade in the final marathon miles and the training tactics that keep you finishing strong. The takeaways translate directly to anything longer than a 50K: you didn't do enough work at the tail end of long runs. Cadence goes sloppy. Braking mechanics on descents go to hell. Your knees eat the invoice. Fix the long run before you fix anything else. Fix the fueling. Fix the shoes on your feet before you blame the legs.

The rep nobody wants to count

If a man can walk away from 24 stone and aim at the Sahara, your version of "tough" is softer than you think. Stop negotiating with comfort. Stack the weeks. Haul the load. Build the aerobic base until your body forgets how to quit at mile 20. The trail doesn't care about your story. It only counts the reps you've actually done.