Great Barrow Challenge

JUL
23
2026
Take on Day 1 of the Great Barrow Challenge on the flat to undulating Denham Flats trails, with distances from 5k to ultra to suit every runner. Parking is included, the event is cupless so bring your own bottle, and finishers get a bespoke medal.
Thu 23 Jul 2026
Marathon Half Marathon 10 kilometers 5 kilometers

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Event overview

The Great Barrow Challenge - Day 1 is an individual day entry organised by Zig Zag Running at Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This entry covers Day One on the Denham Flats route. The event uses trail routes that are described as flat to undulating. Maximum entries are 300 and the minimum age is 18 years. Entries close 22/07/2026 and transfers close 17/07/2026.

Event details

Distances available:

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

Parking is included in the entry price. Race HQ and Base Camp are located at the start and lap point; a water and aid station will be available there. The event is cupless, so participants must supply their own bottles or cups for refilling. Participants receive a bespoke medal at the end of the race each day. Ticket prices listed include a range depending on affiliation and medal option, from £30.00 to £35.00. By entering, participants agree to Zig Zag Running terms and conditions. Visit the organization's website for the most recent information.

Marathon
Full Marathon
Half Marathon
Half Marathon
10 km
10k
5 km
Ultra Marathon