The GR 20 in Corsica is often referred to as the “toughest trek” in the hiking world. But for ultra-runner and The North Face athlete Rory Bosio, it’s just another notch on her belt. Bosio recently ran the 125-mile GR 20 in just 50 hours. She’s a badass runner that spends her days working as a NICU nurse at UC Davis, and runs in the wild on her days off.
As one of the most technical and challenging trails in Europe, the GR 20 required some training, support and top-notch gear. Bosio runs for anywhere from three to five hours at a time and tries to get outside SUP’ing, swimming and cycling as often as she can.
We caught up with Bosio to ask her what gear is crucial for her training, and for taking on feats like the GR 20.
Rory Bosio’s Gear
The North Face Hyperair Gore-Tex Trail Jacket

“I always have this in my pack. It’s a security blanket. It stinks to be soaking wet with hours left to go on a long run. This jacket is the primo lightweight, but fully waterproof jacket.”