Rat Race 100 - Glamis Castle to Edinburgh Castle

August 28th 2027
Glamis Castle, Scotland
100 Miles

The Rat Race 100 Series is the UK’s most inclusive and accessible 100-mile ultramarathon series, built for people who never thought they could complete a 100 miler. Whether you choose to run, walk or mix the two, our three fully supported 100-mile endurance events are designed to help everyday adventurers achieve an extraordinary bucket-list finish line. With no qualifying times, walker-friendly cut-offs, fully waymarked routes, stocked pit stops and unmatched on-course support, this is ultra running without barriers. 

Journey between some of the UK’s most iconic castles and historic landscapes as each event delivers a spectacular point-to-point adventure packed with unforgettable scenery and inspiring finish lines.

Upcoming Races

Aug 28 2027
100 Miles
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Results

No Past Races

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