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100 Mile Ultra Marathons
Welcome to the GB Ultras 100 Mile Ultramarathon Race Series! Supported 100 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, or take them all on for the Grand Slam!
All our 100 Mile events attain ITRA and UTMB Mountain Points on completion…
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Days
Hours
Mins
Up Next is Beacons Way 100 Mile
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Chester Ultra 100
05/04/2025
8th Edition | 100 Miles | 32 Hours | 1509m Elevation | 400 Places
£199
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Ultra Scotland 100
07/06/2025
6th Edition | 106 Miles | 38 Hours | 4611m Elevation | 200 Places
£189
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Beacons Way Ultra 100
27/07/2024
5th Edition | 100 Miles | 40 Hours | 6143m Elevation | By Application **FINAL PLACES**
£189
![](https://www.gbultras.com/wp-content/uploads/2023/09/yr100-main-event-image.jpg)
Yr Wyddfa Snowdon Ultra 100
14/09/2024
6th Edition | 100 Miles | 42 Hours | 5788m Elevation | By Application **FINAL PLACES**
£189
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