ATW Odyssey Full Distance Triathlon

St Neots, United Kingdom · July/August · Independent (ActiveTrainingWorld)

Why people love it

Flat to gently rolling full distance close to London and Cambridge.
Compact hub: bike passes Race HQ every 45 km (28 mi); run is 5.3 km (3.3 mi) laps.
Aquabike option and shorter feeder races.
On-site camping.

3.5Good

How racers feel about it, how well it is run, and how it treats a first timer. Counts for 27% of the overall score.

Racer satisfactionLoved3.6
A reported 98%+ Racecheck score is unverified, and no independent race reports exist. Treat it as average with a small lift. · Low confidence
OrganizationWell run3.6
A large operator (about 40,000 entries a year), but only 4 editions of the full. Wind in 2023 was handled with alternative bike options. · Low confidence
First timer friendlyFriendly3.9
Flat and local, passing Race HQ every 45 km (28 mi), with a 16 h cutoff, an aquabike option and feeder races. · Low confidence

PR potentialFast3.6
Flat to gently rolling and draft-illegal, but 2023 winners ran 9:42 and 9:44 in wind, slower than Roth or Florida. · Low confidence
Course easeModerate3.7
Flat course. The main challenges are wind exposure and a 2 x 1.9 km (1.2 mi) river swim. · Low confidence

3.8Very good

Wetsuit odds, water temperature, calm, and the experience of the start. Counts for 15% of the overall score.

Wetsuit legalAlmost always4.6
Early August UK river water is typically 18-21 °C (64-70 °F), under the 24.5 °C (76.1 °F) limit. Wetsuit rule not stated. · Low confidence
Water temperatureComfortable4.2
Estimated 18-21 °C (64-70 °F) for early August. Race-day temperature is not published. · Low confidence
Calm waterMostly calm4.3
Slow river with little current and no swell. Unverified. · Low confidence
Swim easeModerate3.3
Two 1.9 km (1.2 mi) laps in a probably narrow, meandering river. Contact and sighting may be issues; no reports. · Low confidence
Swim experienceFine3.0
Meandering river in a market town. No reviews, and the start format is unknown. · Low confidence

2.2Below par

Road surface, closures, scenery and wind. Counts for 19% of the overall score.

Road surfaceMixed2.6
Typical rural UK roads, possibly patched. Unverified. · Low confidence
Road closuresMostly open2.4
Likely open public roads with marshals. Closure status unknown. · Low confidence
Bike sceneryPleasant3.0
Cambridgeshire countryside, pleasant but unremarkable. · Low confidence
WindSome wind2.8
Strong wind in 2023 forced alternative bike options on open terrain. That is one windy year only. · Low confidence

Bike speedFast3.7
Flat to gently rolling Cambridgeshire roads, but wind and unknown surface quality limit speed. · Low confidence
Bike flatnessMostly flat3.9
Elevation is unpublished. The area is flat to gently rolling, likely 800-1,200 m (2,600-3,900 ft) of gain over 180 km (112 mi). · Low confidence
Bike simplicityMostly simple3.9
Looped country roads and village junctions, with no technical descents. · Low confidence

3.4Good

Crowds, aid stations, conditions underfoot and scenery. Counts for 13% of the overall score.

Crowd supportDecent3.1
5.3 km (3.3 mi) run laps pass the event hub, and there is a fan zone at a pub on the bike course. · Low confidence
Aid stationsGood3.5
The hub is passed every lap. No volunteer feedback found. · Low confidence
Run sceneryPleasant3.0
Riverside park laps. · Low confidence
Run conditionsEasy3.9
Flat laps with park shade, but eight repeated loops and a mixed road and path surface. · Low confidence

Run flatnessFlat4.7
Flat riverside park laps of 5.3 km (3.3 mi). · Medium confidence

3.8Very good

Air temperature, how predictable the weather is, setting, and spectating. Counts for 15% of the overall score.

Air temperaturePleasant4.1
Typical race-day air is 13-24 °C (55-75 °F), mostly cool to ideal. Early starts may feel cool. · Medium confidence
Weather reliabilityVariable3.1
Typical UK summer variability, with wind in 2023. · Low confidence
Venue beautyPleasant3.0
Market town on the River Great Ouse. · Low confidence
Spectator friendlyEasy4.0
Compact hub with repeat passes every 45 km (28 mi) on the bike and 5.3 km (3.3 mi) on the run. · Medium confidence

4.3Very good

Hotels, walkability, getting there, and the town around the race. Counts for 11% of the overall score.

Hotel availabilityGood3.8
Small field. St Neots hotels, Cambridge about 25 km (16 mi) away, and on-site camping. · Low confidence
Hotel valueGood3.5
No race-week price data. · Low confidence
WalkabilityWalkable4.0
On-site camping at the venue, with the town centre adjacent. · Medium confidence
Travel easeEasy3.8
Train from London King's Cross takes about 45 minutes. Luton airport is about 60 km (37 mi) away. · Medium confidence
LogisticsSimple4.0
Single hub. Bike racking is on race morning, about 90 minutes before the start. · Medium confidence
Town and foodFine3.4
Market town amenities. · Low confidence

Location: St Neots, Cambridgeshire, United Kingdom
Typical month: July/August
Latest or next date: 8 August 2026
Organiser: Independent (ActiveTrainingWorld)
First held: 2023
Distances: 3.8 km (2.4 mi) swim, 180 km (112 mi) bike, 42.2 km (26.2 mi) run
Cutoffs: Bike 10:00 combined swim+bike, Finish 16:00
Swim venue: River Great Ouse, Regatta Meadow/Riverside Park (river)
Swim start: unknown
Swim laps: 2
Run laps: 8
Run shade: Park and riverside
Air temperature: 13–24 °C (55–75 °F)
Humidity: Moderate
Altitude: 15 m (49 ft)
Nearest airport: London Luton (LTN), 60 km (37 mi) away
Where to stay: St Neots, Cambridge
Booking: On-site camping at festival; St Neots has hotels; Cambridge ~25 km.

Running Industry Alliance / ATW pressRaced 2023 · article · Mixed
Press release on the inaugural Odyssey: two-lap river swim, two-lap bike, six-lap park run. Strong wind forecast led to alternative bike options. Winners Jamie Price 9:42 and Kevin Powell 9:44; the women's winner called conditions challenging. Organiser-authored, so promotional. Source from search summary only.
ATW event pageRaced 2026 · aggregator · Positive
Official listing for the 8 Aug 2026 full: 3.8 km (2.4 mi) Ouse swim, 180 km (112 mi) bike passing HQ every 45 km (28 mi), 42.2 km (26.2 mi) run in 5.3 km (3.3 mi) laps, 16 h cutoff, aquabike option. Factual source, not an athlete review.
Racecheck (via search summary)Raced 2024 · aggregator · Positive
A summary stated early feedback rated the event above 98% on Racecheck; I could not open the page to verify or read individual comments.

Pages we used for facts and ratings. See how we rate.

Training for ATW Odyssey Full Distance Triathlon? Moku Coach builds your plan around race day.