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Ultra Marathons Found In September 2025
View all ↓Ultra Marathons In September 2025
Find A Race is the UK's most comprehensive event listings site. Check out our list of September 2025 Ultra Marathons & Ultra Running Races below.
Popular & Featured
Race Calendar: Ultra Marathons In September 2025
🚀Boosted
Barking Mad Last Man Standing
Bury, Lancashire
12 Sep 25 - 13 Sep 25
£65.00
Offer
Groups of 3 or more get 15% OFF
PHOENIX - Summer Sun - Day 4
Gravesend, Kent
01 Sep 25
£39.95
PHOENIX - Summer Sun - Day 5
Gravesend, Kent
02 Sep 25
£39.95
PHOENIX - Summer Sun - Day 6
Gravesend, Kent
03 Sep 25
£39.95
PHOENIX - Summer Sun - Day 7
Gravesend, Kent
04 Sep 25
£39.95
PHOENIX - Summer Sun - Day 8
Gravesend, Kent
05 Sep 25
£39.95
The Joust 12 & 24hr
Worcester, Worcestershire
05 Sep 25 - 07 Sep 25
£5.00 - £365.00
PHOENIX - Summer Sun - Day 9
Gravesend, Kent
06 Sep 25
£39.95
The Hardwick Hobble - Autumn 2025
Chesterfield, Derbyshire
06 Sep 25
£39.50
5.0
SNOWDONIA SEA2SKY 25k & 53K ULTRA
Barmouth, Gwynedd
06 Sep 25
£57.00 - £85.00
PHOENIX - Summer Sun - Day 10
Gravesend, Kent
07 Sep 25
£39.95
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
Midweek Chasing Numbers September
Wraysbury Skiff and Punting Club, Riverside, Egham TW20 0AA
12 Sep 25
£18.00 - £27.00
5.0
Ultra X England (110km, 60km, 50km, 25km)
Hope Valley, Derbyshire
12 Sep 25 - 14 Sep 25
£48.00 - £265.00
Barking Mad Last Man Standing
Bury, Lancashire
12 Sep 25 - 13 Sep 25
£65.00
Offer
Groups of 3 or more get 15% OFF
Brighton 50/50
Brighton, Brighton and Hove, Brighton and Hove
13 Sep 25
£47.00 - £97.00
TrailFest - Cannock Chase Forest
Cannock Chase Forest, Staffordshire
13 Sep 25
£22.00 - £62.00
4.0
Bewl Water Autumn
Wadhurst
13 Sep 25
£37.36 - £66.01
4.6
Easier Said Than Run - 5k,10k, Half Marathon, Full Marathon & Ultra-Marathon
Bawsey Country Park, PE32 1EP
13 Sep 25
£35.00 - £38.00
5.0
Suffolk Coastal Path 50K
Aldeburgh, Suffolk
13 Sep 25
£70.00 - £78.00
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
PHOENIX Fridays - Flying Feet Friday 2025
Walton-on-Thames, Surrey
19 Sep 25
£26.00 - £33.00
Peak District Challenge by Wilderness Development
Hope Valley, Derbyshire
19 Sep 25 - 20 Sep 25
£55.00 - £99.00
4.4
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
Fraggle Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
20 Sep 25
£18.00 - £35.00
Bumble Bee Challenge Day 1
Exmouth, Devon
20 Sep 25
£35.00
Fraggle Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
21 Sep 25
£18.00 - £35.00
Bumble Bee Challenge Day 2
Exmouth, Devon
21 Sep 25
£35.00
MTC LEJOG
Penzance, Cornwall
25 Sep 25 - 13 Oct 25
£3,200.00
PHOENIX Fridays - The Run and Only Friday 2025
Walton-on-Thames, Surrey
26 Sep 25
£26.00 - £33.00
Harrold-Odell Country Park - 25km & 50km Trail Races
Bedford, Bedfordshire
27 Sep 25
£48.00 - £63.00
5.0
Tower to Castle ULTRA 30
Blackpool, Lancashire
27 Sep 25
£60.00 - £67.00
Humani'Trail
Saanen, Obersimmental-Saanen
27 Sep 25 - 28 Sep 25
£37.00 - £145.00
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
PHOENIX - Space Race - 2025
Walton-on-Thames, Surrey
28 Sep 25
£22.00 - £40.00
North Downs Way Ultra Run
Guildford, Surrey
28 Sep 25
£45.00
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
Showing 1-40 of 44 results