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Summer Duathlons Found
View all ↓Summer 2025 Duathlons
Find A Race is the UK's favourite event listings site. Check out our list of Summer 2025 Duathlons below.
Race Calendar: Summer Duathlons
🚀Boosted
Storm The Castle Duathlon
Ludlow, Shropshire
18 May 25
£45.00 - £65.00
Pendle Pool Triathlon powered by Fort Vale
West Craven Sports Centre, Kelbrook Rd, Barnoldswick BB18 5TB
01 Jun 25
Free - £40.00
Château de Chantilly Triathlon & Duathlon
Chantilly, Oise
07 Jun 25 - 08 Jun 25
£35.00 - £245.00
Offer
10% OFF
Slateman Triathlon & Duathlon
Caernarfon, Gwynedd
08 Jun 25
£85.99 - £399.99
The One on the River - Marlow
Marlow, Buckinghamshire
08 Jun 25
£25.00 - £110.00
5.0
Eastbourne Triathlon
Eastbourne, East Sussex
08 Jun 25
£16.00 - £169.00
4.5
Salty Sea Dog Duathlons & Triathlons - June
Bournemouth, Dorset
14 Jun 25
£45.00 - £70.00
4.6
The Saxon Triathlon
Northampton, Northamptonshire
15 Jun 25
£38.00 - £125.00
The One for the Planet powered by Climategames
Windsor
15 Jun 25
£25.00 - £75.00
Cholmondeley Castle Triathlon & Multisport
Malpas, Cheshire, Cheshire East
21 Jun 25 - 22 Jun 25
£35.00 - £245.00
Offer
10% OFF
Woodford Community Duathlon
Woodford War Memorial Community Centre, Chester Rd, Woodford, Stockport, SK7 1PS
29 Jun 25
Free - £40.00
Running GP at Goodwood Motor Circuit Races & Duathlons July
Chichester, West Sussex
06 Jul 25
£30.00 - £232.00
Salty Sea Dog Duathlons & Triathlons - July
Bournemouth, Bournemouth, Christchurch and Poole
12 Jul 25
£45.00 - £70.00
4.6
Upton Tri + Duathlon
Worcester, Worcestershire
12 Jul 25
£50.00 - £85.00
The One on the River - Marlow
Marlow, Buckinghamshire
13 Jul 25
£25.00 - £110.00
5.0
Belvoir Castle Triathlon & Mulitsport
Grantham, Belvoir, Leicestershire
19 Jul 25 - 20 Jul 25
£35.00 - £245.00
5.0
Offer
10% OFF
Guildford Triathlon & Kids Aquathlon
Guildford, Surrey
20 Jul 25
£27.00 - £52.00
Central Lancashire Junior and Super Sprint Duathlon
UCLAN Sports Arena, Tom Benson Way, Preston PR2 1SG
20 Jul 25
Free - £40.00
Swim-Bike-Run MINI DUATHLON at Tockington, Bristol
Bristol, Avon
03 Aug 25
£20.00
5.0
Salty Sea Dog Duathlons & Triathlons - August
Bournemouth, Bournemouth, Christchurch and Poole
09 Aug 25
£45.00 - £70.00
4.6
Manchester Airport Duathlon
Airport Inn, Altrincham Road, Wilmslow, Manchester, SK9 4LR
17 Aug 25
Free - £40.00
Brighton and Hove Triathlon
Hove, East Sussex
31 Aug 25
£21.00 - £169.00
5.0
Running GP Oulton Park Races & Duathlon
Tarporley, Cheshire West and Chester
31 Aug 25
£30.00 - £162.00
Showing 1-22 of 22 results