Enigma Week at the Knees
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Enigma Week At the Knees 2026
Enigma Week At the Knees runs from Monday 9th to Sunday 15th March 2026 in Milton Keynes. The first three days take place at Willen Lake, Lakeside Bar & Grill, Willen Lakeside Park (MK15 9HQ). Days four to seven take place at Caldecotte Lake, near the Premier Inn on Bletcham Way (MK7 8HP). Each day is a marathon event, with seven marathons scheduled across the week.
Format, logistics and rules
- Distances:
- Marathon (seven consecutive days)
The organiser provides a route description at the event location and mandatory race briefings before each race. Registration opens shortly before each race. Each marathon has a hard time limit of 7:00 hours; finishers over this time are recorded as DNF. Awards include a unique bespoke medal for each day and a 183.4 mile finishers medal for those who complete all seven days.
Support on course includes a starter, timekeeper and race referee. A large pub car park is available; parking is pay-and-display at Willen and free at Caldecotte. An aid station with water and nibbles is provided every lap. The event is held in accordance with 100 Marathon Club rules. Entry fees are listed as £39.99 per individual day or £265.00 for all seven days. No refunds are offered; deferred entries can be transferred up to seven days before the event and must be used within 18 months. Participants must be 18 or over and compete at their own risk. Visit the organization's website for the most recent information.
