Photo: Chris Nyborg, CC BY-SA 3.0, via Wikimedia CommonsEnigma Quadzilla
Milton Keynes, United KingdomChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
At a glance
Enigma Quadzilla 2027 takes place on 4 February 2027 – 7 February 2027 in Milton Keynes, United Kingdom. Distances: 42.195 km. Start at 08:30 from Caldecotte Lake (Premier Inn, Bletcham Way, MK7 8HP).
- Date
- Thursday, 4 February 2027 – Sunday, 7 February 2027
- Location
- Milton Keynes, United Kingdom
- Start
- Caldecotte Lake (Premier Inn, Bletcham Way, MK7 8HP)
- Distances
- Quadzilla 1 · Competitive
- Quadzilla 2 · Competitive
- Quadzilla 3 · Competitive
- Quadzilla 4 · Competitive
- Start times
- 08:30
- Registration
- Registration open · Register now ↗
- Organiser
- Enigma Running ↗
- Official website
- enigmarunning.co.uk ↗
Last updated: 19 October 2026
The race
Enigma Quadzilla is a challenge of four marathons in four days, from 4 to 7 February 2027, around Caldecotte Lake in Milton Keynes, organised by Enigma Running under 100 Marathon Club rules.
Each marathon starts at 8:30am and covers 7½ laps of the lake (clockwise on the first two days, anti-clockwise on the last two), with a 7-hour limit and a medal for each one. Entry for all four is £199, including a finisher's hoody; minimum age 18.
