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Trail Running Calendar near Chiltern Hills 2026-2027

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Explore the top trail runs near Chiltern Hills for 2026-2027! We've gathered 146 exciting races in the area. Check out our detailed list below to find your next local race.

March 2027
Mar
13
Sa

Run the Wild Half Marathon

Trail Run Half Marathon
Mar
14
Su

TrailX Women Run

Trail Run 3 km 7 km 13 km
Mar
18
Th

Phoenix Running - Walton-on-Thames

Trail Run Backyard Ultra 5 km 10 km Half Marathon Marathon
Mar
20
Sa

Centurion Hundred Hills 50km

Trail Run 31 mi
Mar
20
Sa

Running Tribe Races

Trail Run 5 km 7 km ... 30 mi 40 mi
Monthly updates for Chiltern Hills

Get new running races (and updates) in your inbox every month.
Mar
23
Tu

Phoenix Running - Walton-on-Thames

Trail Run Backyard Ultra 5 km 10 km Half Marathon Marathon
Mar
29
Mo

Mortimer 10km

Trail Run 10 km
April 2027
Apr
4
Su

Windsor Trail Run Half Marathon

Trail Run 10 km Half Marathon
Apr
10
Sa

Henley River Half Marathon

Trail Run 10 km Half Marathon
Apr
10
Sa

Magna Carta Spring

Trail Run 10 km 13 mi 26 mi
Apr
17
Sa

Chiltern Ridge Classic 50k

Trail Run 50 km
Apr
17
Sa

Windsor 50 Ultra Challenge

Trail Run 10 km 25 km 50 km
Apr
17
Sa

Chilterns Trail Marathon

Trail Run Marathon
Apr
18
Su

Ibstone Circle

Trail Run 5 km 10 km
Apr
18
Su

Running Tribe Races

Trail Run 5 km 7 km ... 30 mi 40 mi
Apr
21
We

Thames Ring Series

Trail Run 100 mi 150 mi 250 mi
Apr
25
Su

Phoenix Running - Walton-on-Thames

Trail Run Backyard Ultra 3 mi 13 mi 26 mi 7 hr
May 2027
May
1-2
Sa - Su

Thames Path 100

Trail Run 100 mi
May
2
Su

Rapid Relays

Trail Run 4 km
May
9
Su

Chilterns 30km

Trail Run 30 km
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