Zig Zag Challenge

MAR
21
2027
A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.
Sun 21 Mar 2027
10k 15k Half Marathon Heavy Half Marathon

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Zig Zag Challenge

Zig Zag Challenge is held at High Lodge, Thetford Forest, Brandon IP27 0AF. The event offers a range of looped running distances on a course set within the grounds of the forest.

Distances available include:

  • 5k
  • 10k
  • 15k
  • Half Marathon
  • Heavy Half Marathon
  • Full Marathon
  • Ultra Marathon

The route uses a 5 km loop. A heavy half marathon is listed as 5 laps by default with the option to change to 6 or 7 laps on the day. The ultra marathon is listed as 9 laps by default with the option to increase laps up to 12 according to time available. There is a six hour event cut off and some starts use a four hour cut off.

Facilities include a water aid station at the lap point, registration and post race tea, coffee and cake at Oak Lodge, and discounted parking for participants with a QR code. The course is mainly pathway with a small section of trails and woodland; the final route is to be confirmed. The event is cupless so participants should bring cups or bottles for refilling. Twenty percent of the entry fee goes towards upkeep of the forest. Entries close 48 hours before the event. Visit the organization's website for the most recent information.

48 km
Ultra Marathon
Marathon
Full Marathon
27 km
Heavy Half Marathon
Half Marathon
Half Marathon
15 km
15k
10 km
10k
5 km

Events nearby

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A guided 16k trail run at High Lodge in Thetford Forest with forest facts and practical trail running tips. Runs are led at a conversational pace and groups are matched by ability to help participants enjoy the woodland routes.
A guided social trail run on a 10 mile loop through the ancient droves of Mildenhall and Lakenheath, with run leaders, scenic stops and post run refreshments.
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