Trail Running calendar near Shoreham-by-Sea 2026-2027

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.

A multi-distance trail running event in the South Downs National Park on 3 July 2027, with 10–100 km routes, included coach transport, camping, and on-course checkpoints for each distance.

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.