Westonbirt Arboretum Summer
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About the race
The Westonbirt Arboretum running events include a Half Marathon, 10km, 5km and a 1 Mile Fun Run held within the grounds of Westonbirt Arboretum in Tetbury, GL8 8QS (what3words monkey.booth.motored). Entries are open for the February 2027 and September 2027 race dates.
Distances
- Half Marathon
- 10 km
- 5 km
- 1 Mile Fun Run
Routes run mostly on solid stone forest paths and are largely very flat with only a few small rises and falls. The 5 km has no drinks station. The 10 km includes one feed station and the Half Marathon includes three feed stations; feeds provide water, electrolyte and a mix of food including gluten free, dairy free and vegan options. All finishers of 5 km and longer distances receive a 10 cm by 10 cm two sided medal with a distance specific ribbon. Fun run medals may vary. The minimum ages are 17 for the Half Marathon, 14 for the 10 km and 12 for the 5 km; there is no minimum age for the fun run.
Runners are started in waves of about 150 and can select a wave at registration. Group discounts apply for groups of 10 or more with tiered savings. Facilities on site include toilets, places to eat and a bag drop; there are no changing rooms. Buggy runners are permitted; canicross is not allowed. Dogs may spectate in permitted areas and the start and finish are in a dog accessible area.
Parking is limited. Day races use arboretum entry arrangements that differ for advance registered runners, on day entrants and early spectators. Night race parking is free and there is no additional arboretum charge when event parking opens. A medical team is present. Race results are posted the evening of the event and professional photos are available to purchase on the day. Visit the organization's website for the most recent information.
