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 / 2026 Race Calendar

Are you looking to fill your 2025 calendar with ultramarathon events or planning ahead for 2026?
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.

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