Grim Reaper Ultra 2026

2026-05-23

40 miles; 70 miles; 100 miles

Grimsthorpe Castle Lincolnshire / United Kingdom

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About This Event

Location: Grimsthorpe Castle Lincolnshire
Country: United Kingdom
Date: 2026-05-23
Distances: 40 miles; 70 miles; 100 miles
Why This Event: Gothic-themed ultra endurance race at historic castle with 40/70/100-mile options featuring nighttime running, costume runners, and grim reaper pacers

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