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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

Windsor Half Marathon 2025

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

Potters 'arf Marathon

Stoke-on-Trent, Staffordshire
28 Sep 25
£34.50

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 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
£21.00 - £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

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

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

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

Street Child - Craft Half & 10K

London
28 Sep 25
£25.00 - £40.00

Something to talk about

Avon Tyrrell Outdoor Activity Centre, Bransgore, Christchurch BH23 8EE
28 Sep 25
£42.13

Swindon Half Marathon Presented By Voltarol

Swindon
28 Sep 25
£47.00 - £212.00

Hever Castle Run Series

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

Run Sandringham Half Marathon & Community Mile

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

The One on the Trail - Marlow

Marlow
28 Sep 25
£10.00 - £35.00

Richmond Park Half Marathon

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

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

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

Potters 'arf Marathon

Stoke-on-Trent, Staffordshire
28 Sep 25
£34.50

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

Billingford Lakes, North Elmham Road, NR20 4RG
28 Sep 25
£21.00 - £38.00

Run Aintree 5k, 10k & Half Marathon

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

Ladybower Reservoir Trails 22k

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

Kingfisher Challenge

Coombe Abbey Park
30 Sep 25
£44.00
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