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Running Calendar near Welwyn Garden City 2025-2026

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Explore the top running races near Welwyn Garden City for 2025-2026! We've gathered 386 exciting races in the area. Check out our detailed list below to find your next local race.

August 2026
Aug
12
Wednesday

QE Olympic Park 10k

5 km 10 km
Aug
16
Sunday

The Black Bull 15 Trail Runs

Trail Run 15 km 15 mi
Aug
16
Sunday

Bedford Triathon

Triathlon
Aug
26
Wednesday

Dorney Lake Evening Sprint Triathlon & Sprint Aquabike

Triathlon
Aug
26
Wednesday

Run Dorney Lake Evening Runs 10k

5 km 10 km
Aug
29
Saturday

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi Half Marathon
Aug
30
Sunday

Windsor Trail Run

Trail Run 10 km Half Marathon
September 2026
Sep
19
Saturday

QE Olympic Park 10k

5 km 10 km
Sep
20
Sunday

ATW St Neots Triathlon

Triathlon
Sep
26
Saturday

Dorney Lake Triathlon

Triathlon
Sep
26
Saturday

Run Dorney Lake Half Marathon

5 km 10 km Half Marathon
October 2026
Oct
3
Saturday

Dorney Lake Duathlon

Duathlon
Oct
3
Saturday

Run Dorney Lake Half Marathon

5 km 10 km Half Marathon
Oct
17
Saturday

Hampton Court Palace 10K

10 km
Oct
18
Sunday

Hampton Court Palace Half Marathon

Half Marathon
Oct
24
Saturday

Lee Valley Velo Park Half Marathon

5 km 10 km 10 mi Half Marathon
Oct
28
Wednesday

QE Olympic Park 10k

5 km 10 km
November 2026
Nov
1
Sunday

Hertfordshire Half Marathon

10 km 21 mi
Nov
8
Sunday

Windsor Trail Run

Trail Run 10 km Half Marathon
Nov
8
Sunday

Dorney Lake Duathlon

Duathlon
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