Ultra Great Britain® Race Series
Welcome to the Ultra Great Britain Race Series featuring a collection of supported 50 mile, 100km, 100 mile & 215 mile events across England, Scotland and Wales, all with live online GPS tracking through GB Race Tracker.
The title race of the series, Race Across Scotland®, will push runners to the absolute limits, over it’s 215 mile coast to coast route.
RACE ACROSS SCOTLAND® 215 MILE
All ultramarathons lead to the Race Across Scotland 215 mile along Scotland’s Great Trail, the Southern Upland Way! Single stage, coast to coast, continuous race with 12 GB Ultras checkpoints spanning the width of Scotland!
The 50 Mile Ultra Race Series
The 100 Mile Ultra Race Series
Our Other Timed Events
2025 Race Calendar
Are you looking to fill your 2025 calendar with ultramarathon events? Great, we've got plenty of options to keep you going! Check out the GB Ultras Race Series and also our Slam and Grand Slam options too!
- Chester Ultra® 50 Mile - 15th March 2025
- Chester Ultra® 100 Mile - 5th April 2025
- Manchester to Liverpool Ultra 50 Mile - 18th April 2025
- Pennine Barrier Ultra® 50 Mile - 3rd May 2025
- Skye Trail Ultra 75 Mile - 24th May 2025
- Ultra Scotland® 50 Mile - 7th June 2025
- Ultra Scotland® 100 Mile - 7th June 2025
- Ultra Wales® 50 Mile - 21st June 2025
- Hope Trail Festival 12/24/36 hour - 11th - 13th July 2025
- Beacons Way Ultra 105 km - 26th July 2025
- Beacons Way Ultra 100 Mile - 26th July 2025
- Race Across Scotland® 215 Mile - 9th-13th Aug 2025
- Yr Wyddfa Snowdon Ultra® 50 Mile - Saturday 6th September 2025
- Yr Wyddfa Snowdon Ultra® 100 Mile - Saturday 6th September 2025
- Glasgow to Edinburgh Ultra 57 Mile - 11th October 2025
- *2025 dates subject to final confirmation
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