Anniversary Marathon

JUL

4-5

2026

The Anniversary Marathon offers marathon and half marathon races over two days at scenic Caldecotte Lake. Each distance requires completing multiple laps of the lake course, with a time limit for finishers. All participants receive a unique finisher's medal.

4-5 Jul 2026

Caldecotte Lake, South East (England)

Registration

50 kilometers Marathon Half Marathon

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Anniversary Marathon

The Anniversary Marathon takes place at Caldecotte Lake in Milton Keynes. The event consists of four separate races over two days.

Distances and Dates

The available races are:

Marathon 1 on July 4, 2026
Half Marathon 1 on July 4, 2026
Marathon 2 on July 5, 2026
Half Marathon 2 on July 5, 2026

Course Details

Each marathon involves completing 7.5 laps of the Caldecotte Lake course. Each half marathon involves completing 3.5 laps. The course is described as scenic.

Key Information

All races start at 08:30, with a mandatory race briefing ten minutes prior. There is a hard time limit of 7 hours for the marathon and 4 hours for the half marathon. The event base is near the Premier Inn at Lakeside Grove.

All finishers receive a unique, bespoke medal. Race support includes a starter, timekeeper, race referee, a large pub car park, and water and toilets available every lap.

Registration and Fees

Entry fees are £39.99 for the marathon and £34.99 for the half marathon. Route descriptions are given out at the event location. Participation requires runners to be 18 or over on the day of the event. The event is held in accordance with 100 Marathon Club rules. Visit the organization's website for the most recent information.