Great Barrow Challenge

Bury St Edmunds, United Kingdom • 23 Jul 2026

Great Barrow Challenge Day 1

The Great Barrow Challenge Day One is an individual day event hosted by Zig Zag Running at Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX. This entry is for Day One of a 10 day series and uses the Denham Flats route.

Available race distances include:

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

The course types are listed as flat, undulating and trail. Routes vary across the 10 day series and are subject to change. The 5k and 10k options will use Golding Hills on most days of the series.

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 is provided at base camp. The event operates a cupless policy so participants should provide their own bottle or cup for refilling. A bespoke event medal is issued at the finish each day.

Entry limits and conditions noted for this event include a maximum of 300 entrants and a minimum age of 18 years. Entries close on 22/07/2026. Prices vary by medal option and affiliation status. Visit the organization's website for the most recent information.

Race information

Marathon
Full Marathon
Half Marathon
Half Marathon
10 km
10k
5 km
Ultra Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Rayne'ing Medals Anniversary at Rayne Station on 15 February 2026 offers 5km to marathon options plus a 6 hour challenge on traffic-free 5.3km loops, aid stations each lap and a choice of bespoke medals.

This festival offers a range of distances on a looped course through Thetford Forest. With an aid station on the lap and complimentary refreshments, it's a self-contained event. Part of your entry fee supports the forest's upkeep.

A circular half marathon through Thetford Forest on mixed trail surfaces, with manual timing, finisher medals and podium trophies. The race is cupless with refill stations and has a 3.5 hour cut off.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace, including forest facts and practical trail running tips. Terrain is mostly flat with some small hills; parking is charged at £4 and entry is £17.50.