Half Marathons in South East
Find your next Half Marathon race in South East. Browse upcoming road and trail events below, with dates and locations to help you plan.
At 13.1 miles, the half marathon is the UK's favourite endurance goal — a proper challenge that still fits around normal life. Popular halves fill up months ahead, so it's worth planning early.
125 upcoming Half Marathon events in South East
Walton-on-Thames, England
11 Sep 2026
3 Miles, 5K, 10K, Half Marathon, Marathon
Flying Scotsman Marathons & Half Marathons
Milton Keynes, Buckinghamshire
12 Sep - 13 Sep 2026
Half Marathon, Marathon
Isle Of Wight Fell Race Series
Ventnor, England
12 Sep - 13 Sep 2026
3.8K, 12K, 21K
The Shere 42k Multi Terrain Event
Shere, England
12 Sep 2026
10K, 21K, 42K
Denbies Wine Estate, Dorking
13 Sep 2026
10K, 10K, Half Marathon, Half Marathon
New Forest Marathon, Half Marathon, 10K & 5K
New Park Showground, Brockenhurst
13 Sep 2026
5K, 5K, 10K, 10K, Half Marathon, Half Marathon, Marathon, Marathon
Run Whitstable & Herne Bay September 5k, 10k and half marathon
Herne Bay, Kent
13 Sep 2026
5K, 10K, Half Marathon
Seale, England
13 Sep 2026
Half Marathon, Marathon
Last Hop, Staines, Surrey
13 Sep 2026
7 hours, 5K, 10K, Half Marathon, Marathon, 30.6 Miles, 50K
Ventnor, England
13 Sep 2026
21.1K
Last Hop, Staines, Surrey
18 Sep 2026
7 hours, 3K, 5K, 10K, Half Marathon, 30.6K, Marathon, 50K
The Hambledon Vineyard, Hambledon
19 Sep 2026
5K, 10K, Half Marathon
Lower Common Cricket Ground, Tunbridge Wells
20 Sep 2026
5K, 5K, 10K, 10K, Half Marathon, Half Marathon
Run Reigate Half Marathon, 10K & 5K
Priory Park, Reigate
20 Sep 2026
5K, 10K, Half Marathon
Run Reigate Half Marathon, 10K & 5K
Priory Park, Reigate
20 Sep 2026
5K, 5K, 10K, 10K, Half Marathon, Half Marathon
Winchester City Centre
20 Sep 2026
Half Marathon
Hever Castle Triathlon and Multisport Festival
Hever Castle and Gardens, Edenbridge, Kent
26 Sep - 27 Sep 2026
1.3K, 1.3K, 1.8K, 1.8K, 2.2K, 2.2K, 2.5K, 2.5K, 4K, 4K, 4.2K, 4.2K, 5K, 5K, 8K, 8K, 10K, 10K, 10.5K, 10.5K, 21K, 21K, 21.1K, 21.1K, 42.2K, 42.2K
Run Dorney Lake Marathon, Half Marathon, 10k & 5k - September
Dorney Lake, Court Lane, off Lake End Road, Windsor SL4 6FJ
26 Sep 2026
5K, 10K, Half Marathon, Marathon
Hever Castle, Edenbridge
27 Sep 2026
10K, Half Marathon, Marathon
Folkestone Rotary Half Marathon
The Grand, The Leas, Folkestone, Kent,CT20 2XL
27 Sep 2026
Half Marathon
Found 125 running events
Search all running events to filter by location, date and terrain.