Trail Running calendar near Marlow 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.

Trail event in Hurn Forest offering distances from 5K up to ultra marathon on a 5.3 km out and back lap. Aid and drinks are available at lap start and finish and 20% of entry fees go to 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.

Multiple trail race distances in the Stroud area using towpaths, disused railway tracks and Cotswold hills, with a route that ascends to Selsley Common for wide valley views. Water, marshals and first aid are provided on course.

A Star Wars 50th Anniversary weekend on 5 and 6 June 2027 at Caldecotte, Milton Keynes featuring marathon and half marathon races around Caldecotte Lake, unique finisher medals, on-course water and toilets, and time limits for each race.

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.

Circular canal and river routes from Moseley Rugby Club offering 18.5, 26.5 and 30 mile options, mostly off road and flat. Checkpoints provide food and drinks, with showers, parking and finishers receiving a badge and certificate.