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Half Marathon Calendar near Knebworth 2025-2026

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Explore the top half marathons near Knebworth for 2025-2026! We've gathered 96 exciting races in the area. Check out our detailed list below to find your next local race.

February 2026
Feb
22
Sunday

ATW Bedford Half Marathon

10 km 21 km
Feb
22
Sunday

The Milton Keynes Half Marathon Winter Warmer Run

5 km 10 km 21 km
March 2026
Mar
1
Sunday

Chelmsford Half Marathon

3 mi 6 mi 13 mi
Mar
1
Sunday

RunThrough - London Half Marathon

10 km 21 km
Mar
7
Saturday

RunThrough - Battersea Park

21 km
Mar
8
Sunday

Victoria Park Half Marathon

5 km 10 km 21 km
Mar
15
Sunday

MK Festival Of Running

5 km 10 km 21 km 20 mi
Mar
21
Saturday

ZigZag - Moo-rathon, Calf and Hen K at the Farm

Trail Run 10 km 21 km 42 km
Mar
22
Sunday

ATW Run Fest at Lee Valley

10 km 21 km
Mar
22
Sunday

Brentwood Half Marathon

21 km
Mar
28
Saturday

Run the Wild Half Marathon - Spring Edition

Trail Run 21 km
April 2026
Apr
3-4
Fr - Sa

The Enigma Easter Series

21 km 42 km
Apr
3
Friday

Victoria Park Half Marathon

5 km 10 km 21 km
Apr
5
Sunday

RunUk - Putney & Fulham Half Marathon

21 km
Apr
6
Monday

Stevenage Spring Half Marathon

10 km 21 km
Apr
12
Sunday

London Landmarks Half Marathon

21 km
Apr
25
Saturday

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi 21 km
May 2026
May
3
Sunday

MK Marathon Weekend

5 km 21 km 42 km
May
16-17
Sa - Su

Hackney Half

5 km 13 mi
May
17
Sunday

Wimbledon Half Marathon

21 km
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