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Trail Running Calendar near Frimley Green 2026-2027

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Explore the top trail runs near Frimley Green for 2026-2027! We've gathered 266 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

April 2027
Apr
10
Sa

Froyle Trail Runs

Trail Run 10 km Half Marathon
Trail running at Froyle Village Hall with 10 km and 21 km options, waymarked routes, marshals, water stations, event photos, and proceeds supporting the village hall.
Apr
10
Sa

Run The Seasons at Cowdray

Trail Run 3 km 5 km 10 km 10 mi
Trail races at Cowdray Estate include 3 km kids, 5 km, 10 km and 10 mile options plus dog friendly canicross and a scored 10 km series.
Apr
17
Sa

Spring Trail Series by Ultra X

Trail Run UTMB 20K/50K/100K 12 km 25 km ... 50 mi 110 km
A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.
Apr
17
Sa

Windsor 50 Ultra Challenge

Trail Run 10 km 25 km 50 km
Windsor 50 offers supported looped trail routes of 50 km, 25 km and 10 km from Windsor Racecourse through the Great Park, Thames Path and Runnymede.
Apr
18
Su

Ibstone Circle

Trail Run 5 km 10 km
Multi-terrain 5 km and 10 km races at Ibstone with routes through Wormsley Estate plus a 1 km or 2 km Run in Colour for ages 4 to 11.
Apr
18
Su

Running Tribe Races

Trail Run 5 km 7 km ... 30 mi 40 mi
Apr
18
Su

Dell 10km & Half Marathon

Trail Run 10 km Half Marathon
Multi-terrain run at Dummer Down Farm on 18 April 2027 offering 10 km, Canicross 10 km and a new Half Marathon with medal, drink and Dell pint cup for finishers.
Apr
21
We

Thames Ring Series

Trail Run 100 mi 150 mi 250 mi
A multi day trail series around the Thames offering 250, 150 and 100 mile options with GPX maps, checkpoint support and GPS tracking on mainly canal and riverside paths.
Apr
24
Sa

Phoenix Running Crawley

Trail Run Backyard Ultra 5 km 10 km Half Marathon Marathon
Timed laps at Tilgate Park on 24 April 2027 offering distances from 5 km to ultra with medal and no medal entry options.
Apr
25
Su

Phoenix Running - Walton-on-Thames

Trail Run Backyard Ultra 3 mi 13 mi 26 mi 7 hr
An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.
May 2027
May
1
Sa

Thames Path 100

Trail Run ITRA 5 100 mi
A 100 mile continuous trail race from Richmond to Oxford along the Thames Path, marked course with 13 aid stations and a 30 hour time limit.
May
1
Sa

Greensand Way Ultra Run

Trail Run 30 mi
Guided 30-mile trail run near Guildford using parts of the North Downs Way and Greensand Way, group-paced with summit climbs and a recommended 22-mile training background.
May
2
Su

Rapid Relays

Trail Run 4 km
Rapid Relays at Culden Faw Estate on 2 May 2027 offers 4 km loop relay racing for solo runners, pairs and teams amid woodland and Chilterns views.
May
2
Su

Box Hill Vertical KM

Trail Run 13 mi
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.
May
2
Su

Fortitude Ultra - Denbies

Trail Run 30 mi 40 mi 50 mi
A ten hour, ten lap endurance challenge at Denbies Wine Estate with roughly 3, 4 or 5 mile loops and graded medals and shirts based on the shortest loop completed.
May
8
Sa

Surrey Ultra Mountain Marathon

Trail Run Marathon
Two-day self-supported navigation challenge in the Surrey Hills for teams of two, with camping at Newlands Corner and a points-based course across both days.
May
8
Sa

Run to the Sea Brighton

Trail Run UTMB 50K 50 km
A point-to-point 50 km ultramarathon from Horsham to Brighton seafront on 8 May 2027, with mixed trails, four feed stations, full course signing and individual or two-person relay entry options.
May
8
Sa

Inflatable 5K - Guildford, Surrey

Obstacle Run 3 km 5 km 10 km 15 km
An inflatable obstacle course event in Guildford on 8 May 2027 offering 2.5k to 15k lap distances, music zones, finisher medals and family friendly entries.
May
15-16
Sa - Su

London West Spartan Weekend

Obstacle Run 5 km 10 km Half Marathon
Two days of obstacle racing in Henley-on-Thames with Sprint 5 km, Super 10 km, Beast 21 km and kids races along the riverside.
May
15
Sa

Centurion North Downs Way 50

Trail Run ITRA 3 50 mi
A 50 mile point-to-point trail race on the North Downs Way from Farnham to Knockholt Pound with 5,600 ft of climb, six aid stations and a 13 hour cut-off.
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