Trail Running calendar near Guildford 2026-2027

Three trail races on the South Downs Way on 20 March 2027, including 50 mile, 50 km and marathon options, fully marked routes, stocked aid stations and coach transport between finish and start locations.

Trail races around Stansted House take runners through South Downs scenery with wooded sections, open fields and views of the historic house; multiple distances are offered and all finishers receive a metal medal and a gift.

Five days of timed running on certified River Thames routes in Walton on Thames, with flexible lap choices from 5 km to ultra distances, daily time limits, aid station, multi-day Lantern medals and finisher t-shirts.

Intergalactic is a lap-based trail event at Hurn Forest with distances from 5K to ultra-marathon, 5.3 km laps, medals for finishers, and 20% of entry fees supporting Forestry England.

Riverside mixed terrain half marathon, 10K and junior race on 10 April 2027 at Remenham Farm in Henley on Thames. Marked kilometres, lap formats vary by distance, and entries include a themed medal and chip timing.

Trail running around Stroud with several distance options from a 40 mile ultra to a quarter marathon. Routes use towpaths, canal paths and the Old Cotswold Way and include long climbs with panoramic views over the Stroud Valley.

Explore the unique heathlands of the South Downs National Park with distances ranging from 10km to 100km. This trail festival offers flat courses, inclusive coach transport, and a weekend of camping in the Hampshire countryside.

On 4 September 2027 at Remenham Farm, Henley-on-Thames, a mixed-terrain half marathon, 10K and junior race follow a riverbank trail with kilometre markers, chip timing and on-course marshals for guidance.