Brentwood close

Running Calendar near Brentwood 2025-2026

Header image
Monthly updates for Brentwood

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

Explore the top running races near Brentwood for 2025-2026! We've gathered 276 exciting races in the area. Check out our detailed list below to find your next local race.

Half Marathons Marathons Trail Runs Triathlons
March 2026
Mar
15
Su

Essex 20

20 mi
Mar
15
Su

ATW Debden 10k

5 km 10 km
Mar
15
Su

Weald Country Park (Essex) 10k

10 km
Mar
15
Su

Sevenoaks Circular Challenge

Trail Run 15 mi 20 mi 30 mi
Mar
15
Su

The Richmond Spring Riverside 10K and Half Marathon Run

10 km Half Marathon
Mar
15
Su

Hackney Legacy Half Marathon

Half Marathon
Mar
21
Sa

London Lea Valley Ultra

Mar
21
Sa

Gratitude 25km

Trail Run 25 km
Mar
21
Sa

Moo-Rathon, Calf and Hen K

Trail Run 10 km 15 km Half Marathon Marathon
Mar
21
Sa

RunThrough - Hyde Park

5 km 10 km
Mar
22
Su

Thames Riverside 20

20 mi
Mar
22
Su

ATW Run Fest at Lee Valley

10 km Half Marathon
Mar
22
Su

Nonsuch Park 10k

10 km
Mar
22
Su

Brentwood Half Marathon

Half Marathon
Mar
22
Su

Going Round In Circles

16 mi
Mar
22
Su

The One in the Park - Victoria Park

10 km 10 mi Half Marathon
Mar
22
Su

Zach's Devil Steps Trail Run

Trail Run 4 mi 7 mi
Mar
25
We

RunThrough - Battersea Park

5 km 10 km
Mar
28
Sa

Kew Gardens 10k

10 km
Mar
28
Sa

Regent's Park 10k

5 km 10 km