Enigma Quadzilla

FEB
5-8
2026
Quadzilla is a four-day marathon series at Caldecotte Lake near Milton Keynes from 5 to 8 February 2026 and all events are sold out. Each marathon is seven and a half laps with a seven hour time limit and a bespoke finisher medal.
Marathon

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Quadzilla

Quadzilla is a four-day marathon series at the Premier Inn, Lakeside Grove, Caldecotte, Milton Keynes MK7 8HP, held from 5 to 8 February 2026. All events are sold out.

Each event comprises 7½ laps of Caldecotte Lake. The races on 5 and 6 February run clockwise; the races on 7 and 8 February run anti-clockwise. Mandatory race briefings take place ten minutes before each race and route descriptions are issued at the venue.

There is a hard time limit of 7:00 hours for each marathon; any finish recorded over 7:00 will be recorded as a DNF. Finishers receive a unique bespoke medal for each marathon. The event is held in accordance with 100 Marathon Club rules.

Race support includes a starter, a timekeeper and a race referee. Facilities listed for the venue include a large pub car park and water and toilet availability every lap of the lake course. Entrants are required to wear suitable clothing and footwear. Entry fees are listed at £46.00 per marathon or £182.00 for all four marathons with a finisher hoody. No refunds, no deferrals and no transfers are permitted. Visit the organization's website for the most recent information.

Marathon
Marathon – 5 February 2026
Marathon
Marathon – 6 February 2026
Marathon
Marathon – 7 February 2026
Marathon
Marathon – 8 February 2026