Enigma Quadzilla
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Quadzilla - 5 to 8 February 2026 (All events sold out)
Quadzilla is a four-day series of marathons held at Premier Inn, Lakeside Grove, Caldecotte, Milton Keynes, MK7 8HP. Each event consists of 7½ laps of the Caldecotte Lake course. The planned running direction for each day is: 5 February - anti-clockwise; 6 February - clockwise; 7 February - clockwise; 8 February - anti-clockwise.
Format, support and entry
Entry is restricted to people aged 18 or over. Route descriptions are given at the event location and a mandatory race briefing is held shortly before each race. There is a hard time limit of 7:00 hours for each marathon; anyone finishing after this will be recorded as a DNF. All finishers receive a bespoke medal for each marathon completed.
Race support includes a starter, timekeeper and race referee, water and toilets available every lap of the lake course, and a large pub car park. The event is held in accordance with 100 Marathon Club rules. Recommended equipment is suitable clothing and footwear. Entry fees are stated as £46.00 per marathon or £182.00 for all four marathons (includes a finisher hoody). No refunds, deferrals or transfers are allowed. Visit the organization's website for the most recent information.