Letchworth Garden Ci.. close

Half Marathon Calendar near Letchworth Garden City 2025-2026

Header image
Monthly updates for Letchworth Garden City

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

Explore the top half marathons near Letchworth Garden City for 2025-2026! We've gathered 44 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
29
Mo

Five Gold Rings

Trail Run 5 km 7 mi Half Marathon
January 2026
Jan
3-4
Sa - Su

FA Cup Run Marathons

Half Marathon Marathon
February 2026
Feb
1
Su

ATW Watford Half Marathon

10 km Half Marathon
Feb
22
Su

ATW Bedford Half Marathon

10 km Half Marathon
Feb
22
Su

The Milton Keynes Half Marathon Winter Warmer Run

5 km 10 km Half Marathon
Feb
22
Su

Baldock Beast

Half Marathon
March 2026
Mar
1
Su

Berkorun - Berkhamsted Rotary Half Marathon

5 mi 13 mi
Mar
1
Su

Phoenix Running - Eaton Ford

5 km 10 km Half Marathon Marathon
Mar
8
Su

Cambridge Half Marathon

13 mi
Mar
15
Su

MK Festival Of Running

5 km 10 km 13 mi 20 mi
Mar
21
Sa

Moo-Rathon, Calf and Hen K

Trail Run 10 km 15 km Half Marathon Marathon
Mar
22
Su

ATW Run Fest at Lee Valley

10 km Half Marathon
Mar
28
Sa

Run the Wild Half Marathon

Trail Run Half Marathon
April 2026
Apr
3-4
Fr - Sa

The Enigma Easter Series

Half Marathon Marathon
Apr
6
Mo

Stevenage Spring Half Marathon

10 km Half Marathon
Apr
19
Su

Northstowe Half Marathon

5 km Half Marathon
May 2026
May
3
Su

MK Marathon Weekend

5 km Half Marathon Marathon
May
10
Su

The Greenway Challenge

Trail Run 13 mi
May
24
Su

Bishops Stortford Running Festival

5 km 10 km Half Marathon
May
31
Su

Circuit du Sore Legs

Backyard Ultra 5 km 10 km ... 50 km 6 hr