5K runs in South East in May 2025
Find 5k runs near me in South East in May 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.

- Sat 10 May
- Sat 10 May
Tough Mudder London West | 5K - Saturday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Age 14 & over
- 5 km multi terrain running

- Sun 11 May
- Sun 11 May
Tough Mudder London West | 5K - Sunday
Be one of 15,000 Mudders to prove you're tough enough to conquer the most technically difficult obstacle course of the series. Expect hills, forest trails, muddy ditches, hills and a finisher beer.
- Enter online
- Hilly
- Traffic free
- Fundraising optional
- Age 14 & over
- 5 km multi terrain running

- Tue 13 May
- FREE-£20
- Tue 13 May
- FREE-£20
Gosport 5K Summer Series | Race Two | 5K
This is race one of an exhilarating 5K summer series at Gosport offering five perfect races to make your own.
- Enter online
- Flat
- PB
- Age 11 & over
- 5 km road running
- Sat 10 May
The All Nations 5K, 10K and Half Marathon Run | 5K
- 5 km road running
- Sun 11 May
Midhurst Milers Cocking 10K Trail Race | Junior 5K
- 5 km trail running
- Sat 17 May
London West Spartan Trifecta Weekend | Sprint 5K - Saturday
- 5 km multi terrain running
- Sun 18 May
London West Spartan Trifecta Weekend | Sprint 5K - Sunday
- 5 km multi terrain running