The Grim Reaper - 10, 40, 70, 100 Miler
Sat, May 29, 2027
Grimsthorpe Castle Park & Gardens, Grimsthorpe



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About
Take in the picturesque views of the Grimsthorpe Castle estate as you explore everything this stunning 10-mile course has to offer, from ancient woodlands to disused Victorian railways as well as its amazing lake. Take your pick from race distances that start at 10-miles (including a night race), through to a 100-mile ultra marathon. There's even a team event!
10 Miler - Day, 10 Miler - Night, 40 Miler, and 2 more
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Sat, May 29, 2027
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Grimsthorpe, United Kingdom
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4.9
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Where and when
Location
Grimsthorpe Castle Park & Gardens, Estate Office, Grimsthorpe, Bourne PE10 0LY, UK
Start times
10 Miler - Day: 10:00 AM10 Miler - Night: 9:00 PM40 Miler: 8:00 AM70 Miler: 7:00 AM100 Miler: 7:00 AM
Event summary
Here are the distances available for The Grim Reaper - 10, 40, 70, 100 Miler
10 Miler - Day
10mi
£35
10 Miler - Night
10mi
£35
40 Miler
40mi
£90
70 Miler
70mi
£140
10 Miler - Day
10mi
£35
10 Miler - Night
10mi
£35
40 Miler
40mi
£90
70 Miler
70mi
£140
Route information
Take on this 10 mile loop around picturesque grass trails throughout ancient woodlands, limestone tracks, and quiet roads. The fully-marked course is ideal for those chasing a PB or looking to step up to a longer distance.
What's included
- Finisher's Medal
- Can of ERDINGER alkoholfrei lager
- Trophies for 1st/2nd/3rd male and female in all solo races
- Trophies for winning team members
- Aid Station and toilet at mile 5
- Medics
- Food and Drinks (extra cost)
- Fully-marked course
- Free camping on the Friday and Saturday nights
How to get there
Grimsthorpe Castle Park & Gardens, Estate Office, Grimsthorpe, Bourne PE10 0LY, UK
Get full directionsCamping
Runners are permitted to camp on-site from Friday to Saturday. The camp will be close to the start/finish line.
By Train
The closest train station to Grimsthorpe Castle Park & Gardens is Stamford (Lincs).
By Car
Grimsthorpe Castle is located just off of the A1, on the A151 just past Corby Glen towards Bourne.
Hotels and Accommodation
Find some of the best hotel rates close to the startline with Hotel Planner.
Find your roomEvent day logistics
Saturday
07:00am: 100 and 70 Miler (solo & team) starts. 28 hours time limit.
08:00am: 40 Miler starts. 27 hours time limit.
10:00am: 10 Miler day starts
21:00pm: 10 Miler night starts
Sunday
11:00am (Sunday): 100, 70 & 40 Miler races cut-off time
Race Rules
- Runners must follow the marked course at all times
- Your bib number must be worn on your front at all times
- Runners must not stash food/supplies on the course
- If you are caught littering you will be disqualified
- Runners are responsible for the actions of their pacers
- Pacers are permitted only for the 50 mile course and must be on foot
- Runners are only allowed one pacer at one time
- Runners must carry mandatory equipment from 6pm
- You must comply with all instructions given at the race briefing
- If you are unable to finish the race you must inform the race directors
- Walking poles are allowed
- Runners/walkers in the 10-mile solo races only can have a dog with them. However, this is not a canicross event, therefore they must start at the back of the field and be comfortable not to 'race'. Dogs MUST be kept on a lead as there is Livestock on the Estate.
- 10-mile races: no under 16s
- Ultra distances: no under 18s
Team Entry
There is the option to enter the 100 mile distance as a team, where runners can take part relay style with friends. Teams can have a maximum of 5 people. This is the perfect way to get into longer distances, and you get to take part with friends.
Withdrawals
If you need to withdraw for any reason, unfortunately, the event organiser is unable to offer a refund. However, you can defer your place to 2028 up to 4-weeks prior to the race. Should the 2028 event not go ahead, due to unforeseen circumstances, your deferral is void and no refunds will be given.
If you would like to transfer your place to another runner, please email hello@bogdogrunning.co.uk with the runner's name, address, date of birth, gender and any medical information. Transfers after May 3 will incur a £5 admin fee.
FAQs
Is there a cut-off for Grim Reaper 10, 40, 70, 100 Miler?
For the 70 and 100 mile races there will be a strict cut-off time of 28 hours. The 40 mile race has a cut-off time of 27 hours.
Will there be medics on the course at the Grim Reaper 10, 40, 70, 100 Miler?
Yes, there will be fully qualified medics onsite throughout the event. A medic will be based at the halfway aid station and start/finish point.
Will there be food and drinks at the Grim Reaper 10, 40, 70, 100 Miler?
Yes, there will be hot food and hot/cold drinks available to purchase from 9am until 2pm on the Saturday.
Reviews
4.9
105 reviews
33 Broadwick St, London W1F 0DQ
Reg number 10083277