50 Mile Ultra Marathons

Welcome to the GB Ultras 50 Mile Ultramarathon Race Series! Supported 50 Mile Ultramarathons taking you to fantastic trails in England, Scotland & Wales with incredible GB Ultras® Support at checkpoints and live online tracking from GB Race Tracker.

Take on any of the races on their own, take on 5 for the Slam, or take them all on for the Grand Slam!

All our 50 Mile events attain ITRA and UTMB Mountain Points on completion…

Days
Hours
Mins

Up Next is Chester Ultra 50 Mile 2025

Chester Ultra 50

15/03/2025
9th Edition | 50 Miles | 17 Hours | 849m Elevation | **SOLD OUT**

£109
M2L Ultra 50

18/04/2025
9th Edition | 50 Miles | 14 Hours | 123m Elevation | **SOLD OUT**

£109
Pennine Barrier Ultra 50

03/05/2025
8th Edition | 50 Miles | 18 Hours | 2593m Elevation | 2025 **FINAL PLACES**

£109
Ultra Scotland 50

07/06/2025
7th Edition | 56 Miles | 18 Hours | 2447m Elevation | 2025 Entries Open

£109
Ultra Wales 50

21/06/2025
6th Edition | 50 Miles | 20 Hours | 2898m Elevation | Limited Places

£109
Beacons Way Ultra

26/07/2025
6th Edition | 63 Miles | 22 Hours | 3178m Elevation | By Application

£109
Yr Wyddfa Snowdon Ultra 50

06/09/2025
7th Edition | 47 Miles | 21 Hours | 3254m Elevation | By Application

£109
Glasgow to Edinburgh Ultra

11/10/2025
15th Edition | 57 Miles | 16 Hours | 231m Elevation | 2025 OPEN

£109

Part Of The 50 Mile Grand Slam

Take on 5 of our 50 Mile Ultra Marathons for the Slam Medal or take on all 8 50 Mile Ultra Marathons for the Grand Slam & get in to the Hall of Fame.

Ready for a 100 Miler? Check out the GB Ultras 100 Mile Ultramarathon Race Series