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 on any 8 events for the Grand Slam!
All our 50 Mile events attain ITRA and UTMB Mountain Points on completion…
Up Next is Beacons Way 100km 2026
M2L Ultra 50
26/03/2027
11th Edition | 50 Miles | 14 Hours | 123m Elevation | ** RACE FULL - NO WAITLIST**
£129
Pennine Barrier Ultra 50
01/05/2027
10th Edition | 50 Miles | 18 Hours | 2593m Elevation
£129
Yr Wyddfa Snowdon Ultra 50
05/09/2026
8th Edition | 47 Miles | 21 Hours | 3254m Elevation **RACE FULL - NO WAITLIST**
£119
Glasgow to Edinburgh Ultra
10/10/2026
16th Edition | 57 Miles | 16 Hours | 231m Elevation | ** RACE FULL - NO WAITLIST**
£119
Part Of The 50 Mile Grand Slam
Take on 5 of our 50 Mile Ultra Marathons for the Slam Medal or take on 8 of our 9 50 Mile Ultra Marathons for the Grand Slam & get in to the Hall of Fame.