The Spy Who Loved Me

JUL
3-4
2027
A two-day event at Caldecotte Lake on 3–4 July 2027 offering marathon and half marathon races over multiple laps, with course support, enforced time limits, bespoke finisher medals, and a deferral policy in place.
50 kilometers Marathon Half Marathon

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The Spy Who Loved Me 50th Anniversary

This two-day running event takes place on 3 and 4 July 2027 at the Premier Inn, Lakeside Grove, Bletcham Way, Caldecotte, Milton Keynes MK7 8HP. Races use laps around Caldecotte Lake and are organised under 100 Marathon Club rules.

Distances and format:

  • Marathon - 7½ laps of Caldecotte Lake, with a 50k option.
  • Half marathon - 3½ laps of Caldecotte Lake.

Each distance is held on both days, designated as Marathon 1 and Marathon 2, Half Marathon 1 and Half Marathon 2. Route descriptions are issued at the event location. Support on the course includes a starter, timekeeper, race referee, water and toilets every lap, and a large pub car park for parking.

Time limits are enforced: marathon finishers over 7:00 hours will be recorded as DNF, and half marathon finishers over 4:00 hours will be recorded as DNF. All finishers receive a bespoke medal. Entrants must be 18 years or older on the day of the event and are required to wear suitable clothing and footwear.

Entry fees are listed per event. The organiser does not offer refunds; entries may be deferred up to seven days before the event and must be used within 18 months. By entering, participants accept the risks of participation and limits to organiser liability to the extent permitted by law. Visit the organization's website for the most recent information.

50 km
50k Option
Marathon
Marathon
Half Marathon
Half Marathon
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