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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

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Windsor Half Marathon 2025

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

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

Next to the Leeds & Liverpool Canal, near Salts Mill, Saltaire, Shipley, BD18
21 Sep 25
£16.00 - £56.00

Run Reigate 5k, 10k, Half Marathon & 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
4.8

Harrold-Odell Country Park - 25km & 50km Trail Races

Bedford, Bedfordshire
27 Sep 25
£48.00 - £63.00
5.0

Runaway Challenge

Lincoln Road, Skellingthorpe, Lincoln LN6 5UU
27 Sep 25
£28.00

Romp Run

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

Ladybower Reservoir Trails 54k

Hope Valley, Derbyshire
27 Sep 25
£82.00 - £362.00

PHOENIX - Hot Lips Run

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

RUN DORNEY 5K, 10K & HALF MARATHON

Windsor, Berkshire
27 Sep 25
£30.00 - £162.00
4.2

Street Child - Craft Half & 10K

London
28 Sep 25
£25.00 - £40.00

Swindon Half Marathon Presented By Voltarol

Swindon
28 Sep 25
£42.00 - £182.00

Hever Castle Run Series

Edenbridge, Kent
28 Sep 25
£35.00 - £65.00
4.2

Ealing Half Marathon

London, Greater London
28 Sep 25
£50.00

Run Sandringham Half Marathon & Community Mile

Sandringham, Norfolk
28 Sep 25
£11.90 - £30.90
5.0

Richmond Park Half Marathon

Richmond Park, Sheen Gate Car Park Area. TW10 5HT
28 Sep 25
£53.28

The One on the Trail - Marlow

Marlow
28 Sep 25
£10.00 - £35.00

Folkestone Rotary Half Marathon

The Grand, The Leas, Folkestone, Kent,CT20 2XL
28 Sep 25
£4.56 - £32.74
4.0

ATW Welwyn Half Marathon & 10k

Gosling Sports Park, Stanborough Road, Welwyn Garden City, Hertfordshire, AL8 6XE
28 Sep 25
£30.74 - £39.22

Windsor Half Marathon 2025

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

Delamere Forest Half Marathon & 10K Wildwood Trail Series

Northwich, Cheshire
28 Sep 25
£22.00 - £32.00

PHOENIX - Space Race - 2025

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

RunThrough Trails Hamsterley Forest 10k & Half Marathon

Bishop Auckland, County Durham
28 Sep 25
£30.00 - £142.00

Wild Run Cotswolds

Chipping Norton, Oxfordshire
28 Sep 25
£30.00 - £60.00

Run Barns Green Half Marathon, 10K and 5k

Horsham, West Sussex
28 Sep 25
£17.50 - £34.00
5.0

The Wensum Way Trail - 5k, 10k, Half Marathon, Full & Ultra Marathon

Billingford Lakes, North Elmham Road, NR20 4RG
28 Sep 25
£27.00 - £38.00

Ladybower Reservoir Trails 22k

Hope Valley, Derbyshire
28 Sep 25
£47.00 - £212.00

Run Aintree 5k, 10k & Half Marathon

Liverpool, Merseyside
28 Sep 25
£30.00 - £152.00
4.7

Kingfisher Challenge

Coombe Abbey Park
30 Sep 25
£39.00

Zodiac Run

02 Jan 25 - 31 Dec 25
£10.00

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Thanks for booking a Running Bug event through findarace.com - 10% OFF

Andover Trail Marathon & Half

Kings road, Enham Alamien, Andover, SP11 6HP. Post code is for the car park. ​
06 Sep 25
£35.00 - £45.00
4.8

Richmond Park September 5k, 10k and Half Marathon

London, Greater London
07 Sep 25
£25.00 - £30.00
4.4

The River Run

Shoreham-by-Sea, West Sussex
14 Sep 25
£32.00 - £214.20
Showing 41-80 of 81 results