ZigZag - Birthday Run
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Event overview
The Birthday Run is held by Zig Zag Running on 17 May 2026 at Billingford Lakes and Country Park, NR20 4RG. The event has a maximum of 300 entrants and entries close on 16/05/2026. The event is cupless - participants must bring their own cup or bottle for refilling at the aid station. An aid station will be located at base camp. Parking is included in the race entry. All finishers receive a bespoke medal and a Lucky Dip medal option is available from previous events. A complimentary coffee and cake is provided after the finish.
Course and format
The course is a trail run with a mix of tarmac paths, grassland and rugged trails. The route is described as mainly flat with a few rises. Lap formats are used for some distances: the heavy half marathon is set as 5 laps standard with options to change to 6 or 7 on the day, and the ultra marathon is set as 9 laps standard with the option to increase up to about 12 laps if time allows. Visit the organization's website for the most recent information.
Distances
- 5k - bespoke medal; entrants aged 14 and over.
- 10k - bespoke medal; entrants aged 17 and over.
- 15k - bespoke medal; entrants aged 18 and over.
- Half Marathon - bespoke medal; entrants aged 18 and over.
- Heavy Half Marathon - lap format; entrants aged 18 and over.
- Full Marathon - entrants aged 18 and over.
- Ultra Marathon - lap format; entrants aged 18 and over.
