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
2026 Race Calendar
Are you looking to fill your 2026 calendar with ultramarathon events or planning ahead for 2027?
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!
We've also got a series of training runs to help you get to know our race routes.
- Chester Ultra® 50 Mile - 28th February 2026 **RACE FULL** / 27th February 2027
- Manchester to Liverpool Ultra 50 Mile - 3rd April 2026 **RACE FULL** / 26th March 2027
- Chester Ultra® 100 Mile - 18th April 2026 / 17th April 2027
- Pennine Barrier Ultra® 50 Mile - 2nd May 2026 **FINAL PLACES** / 1st May 2027
- Skye Trail Ultra 75 Mile - 23rd May 2026 **RACE FULL- WAITLIST IN OPERATION**
- Ultra Scotland® 50 Mile - 6th June 2026 / 5th June 2027
- Ultra Scotland® 100 Mile - 6th June 2026 / 5th June 2027
- Ultra Wales® 50 Mile - 20th June 2026 / 19th June 2027
- Hope Ultra Festival 12/24/36 hour - 10th - 12th July 2026 / 9th - 11th July 2027
- Beacons Way Ultra 100 km - 25th July 2026 / 24th July 2027
- Beacons Way Ultra 100 Mile - 25th July 2026 / 24th July 2027
- Race Across Scotland® 215 Mile - 8th - 12th August 2026 **RACE FULL - WAITLIST IN OPERATION** / 7th August 2027
- Yr Wyddfa Snowdon Ultra® 50 Mile - Saturday 5th September 2026 / 4th September 2027
- Yr Wyddfa Snowdon Ultra® 100 Mile - Saturday 5th September 2026 / 4th September 2027
- Cheshire Ring Ultra 100 - 26th September 2026 / 25th September 2027
- Glasgow to Edinburgh Ultra 57 Mile - 10th October 2026 **FINAL PLACES** / 9th October 2027
- Training Runs:
- Chester Ultra 50 & 100 Training Run - 03-04/01/2026 & 14/03/2026
- Manchester to Liverpool Ultra Training Run - 24-25/01/2026
- Ultra Scotland / Race Across Scotland Training Run - 07-08/02/2026
- Pennine Barrier Training Run - 21-22/03/2026
- Beacons Way Training Run - 09-10/05/2026
- Ultra Wales Training Run - 16-17/05/2026
- Yr Wyddfa Snowdon Training Run - 13-14/06/2026
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.
The 100 Mile Grand Slam
Take on all 5 of our 100 Mile Ultra Marathons for the Grand Slam Buckle & get in to the Hall of Fame.
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