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Half Marathons Found In September

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Half Marathons In September 2025

Find A Race is the UK's most comprehensive event listings site. Check out our list of September 2025 Half Marathons below.

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Race Calendar: Half Marathons In September

🚀Boosted

Potters 'arf Marathon

Stoke-on-Trent, Staffordshire
27 Sep 25
£34.50
🚀Boosted

Windsor Half Marathon 2025

Windsor, Windsor and Maidenhead
28 Sep 25
£44.00 - £48.00
4.7

Run the Thames Bridges - half marathon

London
16 Feb 24 - 31 Dec 25
£17.00 - £24.00
5.0

Run the Ghost Tubes - Half Marathon & 10K

London
01 Oct 24 - 31 Dec 25
£14.00 - £17.00
5.0

Henry VIII's Wives Half Marathon

London
01 Jul 25 - 31 Dec 25
£17.00

PHOENIX - Summer Sun - Day 8

Gravesend, Kent
05 Sep 25
£39.95

ATW Bedford Running Festival

Russell Park, The Embankment, Bedford MK40 3RH
06 Sep 25 - 07 Sep 25
£12.72 - £42.40

PHOENIX - Summer Sun - Day 9

Gravesend, Kent
06 Sep 25
£39.95

Lone Wolf Backyard Ultra

Kidderminster, Worcestershire
06 Sep 25 - 07 Sep 25
£60.00

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races

Barmouth, Gwynedd
06 Sep 25
£57.00 - £85.00

PHOENIX - Summer Sun - Day 10

Gravesend, Kent
07 Sep 25
£39.95

Birmingham Running Festival Presented by Gateley

Sutton Coldfield, West Midlands
07 Sep 25
£12.00 - £162.00
4.8

St Helena Hospice Half Marathon

Harwich, Essex
07 Sep 25
£32.00 - £43.30

FEAR (Forget Everything And Run) - 5k,10k, Half Marathon, Full Marathon & Ultra-Marathon

Brandon Country Park, IP27 0SU
07 Sep 25
£33.00 - £36.00

Run2Paris September 2025

London
10 Sep 25 - 14 Sep 25
£950.00

Midweek Chasing Numbers September

Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
12 Sep 25
£18.00 - £27.00
5.0

Barking Mad Last Man Standing

Bury, Lancashire
12 Sep 25 - 13 Sep 25
£65.00

TrailFest - Cannock Chase Forest

Cannock Chase Forest, Staffordshire
13 Sep 25
£27.00 - £72.00
4.0

Bewl Water Autumn

Bewl Water Visitor Centre HQ, Bewl Water, Bewlbridge Ln, Lamberhurst, Wadhurst TN3 8JH
13 Sep 25
£37.36 - £66.01
4.6

Coronation Scot Marathons & Half Marathon

Milton Keynes, Buckinghamshire
13 Sep 25 - 14 Sep 25
£32.99 - £42.99

Machlud Trail Half Marathon

Mold, Clwyd
13 Sep 25
£28.00

PHOENIX - Dragon's Eye Race 2

Cranleigh, Surrey
14 Sep 25
£27.00 - £40.00
4.7

Sausage Dog Run - North

Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham, DH1 3JU
14 Sep 25
£18.00 - £29.00

Cheshire 3 Peaks Half Marathon

Tegg’s Nose Country Park
14 Sep 25
Free - £38.95

The Amazing Northampton Run

Northampton, Northamptonshire
14 Sep 25
£16.00 - £78.75
5.0

Basildon Half Marathon In Partnership with Utilize

Basildon, Essex
14 Sep 25
£7.00 - £34.00

PHOENIX Fridays - Flying Feet Friday 2025

Walton-on-Thames, Surrey
19 Sep 25
£26.00 - £33.00

The Lucky Horseshoe Challenge - 5k, 10k, half marathon, full marathon, ultra

Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
20 Sep 25
£25.00 - £37.50

PHOENIX - Seahorse Run 2025

Walton-on-Thames, Surrey
20 Sep 25
£22.00 - £40.00

Fraggle Run - Wales

Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£18.00 - £35.00

Sir Titus Autumn Fudge Trudge Day 1

Near Fishermans Inn, Wagon Lane, BD16 1LT
20 Sep 25
£16.00 - £56.00

Bumble Bee Challenge Day 1

Exmouth, Devon
20 Sep 25
£35.00

PHOENIX - Bumblebee Run 2025

Walton-on-Thames, Surrey
21 Sep 25
£22.00 - £40.00

Fraggle Run

The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
21 Sep 25
£18.00 - £35.00

Ouse Valley Way Marathon and Half Marathon

Huntingdon, Cambridgeshire
21 Sep 25
£27.00 - £41.00

Richmond Park Half Marathon

London
21 Sep 25
£42.00 - £182.00
4.4

Sir Titus Autumn Fudge Trudge Day 2

Near Fishermans Inn, Wagon Lane BD16 1LT
21 Sep 25
£16.00 - £41.00

Run Reigate Half Marathon, 10k, 5k & Kids Race

Reigate, Surrey
21 Sep 25
£19.00 - £44.00

Winchester Half Marathon

Winchester City Centre
21 Sep 25
£10.82 - £47.97
5.0

Bumble Bee Challenge Day 2

Exmouth, Devon
21 Sep 25
£35.00

PHOENIX Fridays - The Run and Only Friday 2025

Walton-on-Thames, Surrey
26 Sep 25
£26.00 - £33.00

Battersea Park Half Marathon Presented by TREK

London
27 Sep 25
£40.00 - £182.00
4.7
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