Standard duathlons in the UK
Standard distance run-bike-run events usually involve a 10K run, 40K cycle and 5K run to finish things off so are just about short enough for confident novices and long enough to be a proper challenge for competitors. Select your location for standard duathlons in your area or scroll down to see events coming up.
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Standard duathlons in 2025/2026
Featured events are listed below - select a month/region or the map view to see all events.

- Sun 28 Sep
- £80
Hever Castle | Standard Duathlon
Get active in the award-winning grounds and surrounding Kent countryside in a Standard Duathlon! Recruit your friends and celebrate completing your challenge in the festival village.
- 12 km trail running
- 40 km road cycling
- 4.3 km trail running

- Sat 4 Oct
- £68-£88
Dorney Standard Distance Duathlon
Challenge yourself to a duathlon and take the opportunity to race around this unique and inspiring Olympic venue!
- 10 km road running
- 38 km road cycling
- 5 km road running

- Sun 12 Oct
- £68-£83
ATW Holdenby House Standard Distance Duathlon
Based in the grounds of the 2,000 acre Holdenby Estate, the traffic-free run lap follows a scenic trail and the rolling bike course enjoys fast-riding country roads. Relay option.
- 10.8 km trail running + 498 ft ascent
- 38 km road cycling + 1602 ft ascent
- 5.4 km trail running + 249 ft ascent

- Sun 26 Oct
- £75-£90
ATW Grafham Duathlon - Incorporating the European Standard Duathlon Qualifier | Standard Distance Duathlon - incorporating Euro Qualifier
Join ATW, the largest multisport organiser in the UK, at the iconic Grafham Water - a venue that has been used for award-winning events, national championships and GB qualifier races.
- 10 km road running + 59 ft ascent
- 38 km road cycling + 673 ft ascent
- 5 km road running + 30 ft ascent

- Sun 2 Nov
- £54
Devon Duathlon Autumn | Standard
Roadford Lake is a great venue for a duathlon and this event comes with top 5-star reviews from sportspeople of all abilities! You won't be disappointed.
- 10 km road running + 1746 ft ascent
- 46 km road cycling + 1914 ft ascent
- 5 km road running + 873 ft ascent

- Sun 9 Nov
- £68-£88
Dorney Standard Distance Duathlon
Challenge yourself to a duathlon and take the opportunity to race around this unique and inspiring Olympic venue!
- 10 km road running
- 38 km road cycling
- 5 km road running

- Sun 24 May 2026
- £64-£80
Lough Cutra Castle | Standard Duathlon
Race through the beautiful grounds and surrounding area of stunning South Galway in a standard duathlon from starter to elite then celebrate with friends and family in the festival village.
- 11 km trail running
- 40 km road cycling
- 5 km trail running

- Sun 7 Jun 2026
- €64-€80
Chateau de Chantilly | Standard Duathlon
Race through the beautiful grounds and surrounding area of the stunning Château de Chantilly in a Standard Duathlon then celebrate with friends and family in the festival village.
- 10 km trail running
- 40 km road cycling + 414 ft ascent
- 5 km trail running

- Sun 21 Jun 2026
- £64-£80
Cholmondeley Castle | Standard Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Standard Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- 10 km trail running
- 42 km road cycling
- 5 km trail running

- Sun 19 Jul 2026
- £64-£80
Belvoir Castle | Standard Duathlon
Great Britain Age Group 2026 Team Qualifier. A jewel in the castle crown! Get active in the beautiful grounds and surrounding area of stunning Leicestershire in a Standard Duathlon then celebrate.
- 10.5 km trail running + 615 ft ascent
- 45 km road cycling + 957 ft ascent
- 5 km trail running + 281 ft ascent
Standard duathlons near you
Select your location for standard distance duathlons in your area.