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GrimReaper UltraMarathon - Friday 3rd to Saturday 4th August 2018

GrimReaper UltraMarathon
Entries Open
Friday 18th August 2017 at 09:00
Entries Close
Tuesday 31st July 2018
40 Miles; 70 Miles; 100 Miles
Entries so Far
125 Entries
Entry Fees
All charges for this event will be made in Pounds Sterling
For Entry Fees please click here

To enter you must first Log In or Register your Details with SiEntries.

2017 will see the GrimReaper in its 8th year and is going from strength to strength.  The GrimReaper UltraMarathon has gained a loyal following year on year and has proved hugely popular.  Grimsthorpe Castle ( in Lincolnshire, is the fantastic venue for the event, which will run from Friday 29th - 30th July. Grimsthorpe Estate is an historic house, park and garden in Lincolnshire.

Solo and Team categories will compete over various race distances (40, 70 and 100 miles) with all categories and distances starting at the same time and all having the same time limit of 26 hours.

The race is non-stop and will continue through the night. The route will incorporate multiple loops through the beautiful grounds of the Grimsthorpe estate.  Runners will carry electronic timing chips that will record the lap times. The terrain is a mixture of a limestone trail , tarmac and field trails. At the end of each loop entrants will return to the main check point where they have access to their tent supplies. All entrants are required to bring a tent to put their supplies in that they will need for the duration of the event.

All competitors will be expected to manage their own time, deciding how long to spend resting and refueling during the event.


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