About
Perfect for new distance runners looking for a fast and easy-to-navigate course, and PB chasers, this lapped tarmac course will take runners around Caldecotte Lake. Come for the finisher's medal and friendly Easter run.Marathon - Friday, Half Marathon - Friday, Marathon - Saturday, and 1 more
Fri, Mar 26, 2027 - Sat, Mar 27, 2027
Caldecotte, United Kingdom
The event experience
😍SceneryAmazingBased on location
Where and when
LocationBletcham Wy., Caldecotte, Milton Keynes MK7 8HP, UKStart timesFriday, Mar 26, 2027
Marathon - Friday: 8:30 AMHalf Marathon - Friday: 8:30 AMSaturday, Mar 27, 2027
Marathon - Saturday: 8:30 AMHalf Marathon - Saturday: 8:30 AMEvent summary
Here are the distances available for The Enigma Easter Series 2027Marathon - Friday26.2mi7 Loops£43.99 - £84.99
Half Marathon - Friday13.1mi3 Loops£36.99 - £69.99
Marathon - Saturday26.2mi7 Loops£43.99
Route information
Runners will be taken on the lakefront paths around Caldecotte Lake. to complete their chosen distances. A mix of hard gravel, some sections of concrete, and a few yards of mud and grass, this is a great trail run for new and experienced runners alike.Marathon runners will complete the course 7 times, and Half Marathon runners 3 times. .
What's included
- Bespoke Finisher's Medal
- Water
- Toilets
- Timekeeper
How to get there
Bletcham Wy., Caldecotte, Milton Keynes MK7 8HP, UKGet full directionsParkingThere is a large car park at the pub the Caldecotte Arms and Furzton which is located near the event site.
By Train
Bow Brickhill is the closest train station from the event site, which is just 2 miles from Bletchley and 4.5 miles from Milton Keynes Central. Bow Brickhill is serviced by the Bedford line which runs hourly, so please leave plenty of time to travel.
Bow Brickhill is 150 years from the number 8 bus stop, which is approximately 10 minutes from the event site.
Hotels and Accommodation
Enigma Running has partnered with Let's Do This to bring you some of the best hotel rates close to the startline.Find your roomEvent day logistics
Friday08:30 Marathon & Half Marathon
15:30 Marathon cut-off time
Saturday
08:30 Marathon and Half Marathon start
There will be a mandatory race briefing 10 minutes before the races which all entrants must attend..
Cut-Off Times
There will be a strict 7 hour cut-off time in place for Marathon entrants, in which runners must be within their final lap 5 hours and 45 minutes after starting. There will also be a 4 hour cut-off time for the Half Marathon in place.
Age Requirements
All entrants must be 18 and older to take part in the event.
Race Numbers
Race numbers are to be collected from Race HQ at the Caldecotte Arms. Please leave at least 20 minutes to complete this process.
Bag Drop
While there is no secure baggage drop at the event, the looped-nature of the course means entrants are free to leave their bags at the start/finish as there will always be someone around.
On-Course Nutrition
There will be an area for entrants to leave their own nutrition, but please note no energy gels or drinks will be provided by the organiser so it is up to the entrant to bring their own.

