The One on the River | Marlow | 2026
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Sun, 12th Jul 26
Marlow
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Race Information
Multisport event in Marlow: swim, bike, run — triathlon, duathlon, aquabike, aquathlon & swim-only.
1000 Participants
Intermediate
Entries open in 330 days
Location
Higginson Park, Lower Pound Lane
(51.5669479, -0.7765346999999999)
(51.5669479, -0.7765346999999999)
About The One on the River | Marlow | 2026
12th Jul 26
-
Marlow
A scenic multisport festival in Marlow’s Higginson Park by OneRace Events, featuring river swims in the Thames, open‑road cycling, and riverside/parkland runs. Suitable for all levels across triathlon, duathlon, aquabike, aquathlon and swim‑only options. Includes chip timing, finisher medals, refreshments, water stations, and event photography.
Swim - 0.75 km
Sun, 12th Jul 26
• 09:15
£25
Coming Soon!
£25
Coming Soon!
Swim - 1.5 km
Sun, 12th Jul 26
• 09:15
£30
Coming Soon!
£30
Coming Soon!
Swim - 3 km
Sun, 12th Jul 26
• 09:15
£40
Coming Soon!
£40
Coming Soon!
Swimrun - 5.75 km
0.75km Swim | 5km Run.
Sun, 12th Jul 26
• 08:15
£50
Coming Soon!
£50
Coming Soon!
Swimrun - 11.5 km
1.5km Swim | 10km Run.
Sun, 12th Jul 26
• 07:30
£55
Coming Soon!
£55
Coming Soon!
Swimrun - 21.9 km
1.9km Swim | 20km Run.
Sun, 12th Jul 26
• 06:30
£80
Coming Soon!
£80
Coming Soon!
Aquabike - 24.75 km
750m Swim | 24km Bike.
Sun, 12th Jul 26
• 08:15
£50
Coming Soon!
£50
Coming Soon!
Triathlon - 29.75 km
750m Swim | 24km Bike| 5km Run.
Sun, 12th Jul 26
• 08:15
£65
Coming Soon!
£65
Coming Soon!
Duathlon - 34 km
5km Run | 24km Bike | 5km Run.
Sun, 12th Jul 26
• 08:30
£55
Coming Soon!
£55
Coming Soon!
Aquabike - 41.5 km
1500m Swim | 40km Bike.
Sun, 12th Jul 26
• 07:30
£55
Coming Soon!
£55
Coming Soon!
Triathlon - 51.5 km
1500m Swim | 40km Bike| 10km Run.
Sun, 12th Jul 26
• 07:30
£75
Coming Soon!
£75
Coming Soon!
Duathlon - 55 km
5km Run | 40km Bike| 10km Run.
Sun, 12th Jul 26
• 07:45
£60
Coming Soon!
£60
Coming Soon!
Aquabike - 92.9 km
1.9km Swim | 91km Bike.
Sun, 12th Jul 26
• 06:30
£80
Coming Soon!
£80
Coming Soon!
Triathlon - 112.9 km
1900m Swim | 91km Bike| 20km Run.
Sun, 12th Jul 26
• 06:30
£110
Coming Soon!
£110
Coming Soon!
Duathlon - 116 km
5km Run | 91km Bike| 20km Run.
Sun, 12th Jul 26
• 06:45
£85
Coming Soon!
£85
Coming Soon!
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£25 - £110
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