
About the event
Covering 10 miles of diverse terrain, this race introduces runners to the rolling trails, estate roads, and grassy woodland paths surrounding Grimsthorpe Castle. The 168 meters of elevation gain adds just enough challenge without making the course overly technical, making it an excellent choice for both trail beginners and experienced racers. Organized by Bog Dog Running, this event provides a fully supported course with aid stations, clear markings, and an unforgettable castle finish. Whether you’re chasing a personal best or simply soaking in the scenery, the 10-Mile Race is a fantastic way to experience the Grim Reaper Ultra Marathon weekend.
Date:
Sat
May 24
2025
Location:
Distance:
Elevation profile:
Moderate
Website:
LinkElevation gain:
Number of participants:
Other distances for this race
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Grim Reaper 10-Mile Race, scheduled for May 24, 2025, is a fast yet scenic loop with 168 meters of elevation gain, winding through the historic Grimsthorpe Castle Estate. Organized by Bog Dog Running, this race offers an ideal blend of runnable trails, gentle hills, and stunning countryside views, with options to race during the day or night.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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