All Female Ultra Marathon - Cancer Research Wales
The world’s largest all female ultra marathon event.
Where hope, strength & community unite. No cut offs, only smiles.
Participate at your own pace, no cut-offs, in a 50km ultra marathon on Saturday, April 11 2026, with the course starting on the beach in Abersoch and finishing in The Maes at Pwllheli.
A weekend of celebration
The event begins with a festival-style opening featuring a procession around the town. Throughout the weekend, a vibrant atmosphere is maintained with live music, bands, and a central festival stage.
The finish line experience
Every woman receives a red carpet finish and a VIP Olympic-style experience. To honor the journey, participants receive their medal at the start line to symbolize those we’ve lost to cancer and those still fighting.
Your safety and support
Safe spaces will be provided with additional measures to ensure a safe and supportive environment for all participants during the ultra marathon.
