- Sun 25 Oct 2026
08:30
Age 17 & over on 31 Dec 2026
£64-£79
- 10 km road running
- 38 km road cycling + 673 ft ascent
- 5 km road running
Event overview
Take on a thrilling run–bike–run challenge around the stunning shores of Grafham Water, with smooth roads and flat paths perfect for fast racing and confident pacing.
Whether you’re targeting qualification or testing yourself against a competitive field, expect superb organisation, clear course marking and a supportive race atmosphere from start to finish.
Highlights
- Scenic run routes around Grafham Water
- Fast, smooth and largely traffic-free bike course
- Ideal for competitive and experienced duathletes
- Professionally chip-timed with clear course signage
- Supportive marshals and a well-organised race experience
This event is part of ATW Grafham Duathlon.
Event photos
Event details
- Average fitness
- Beginner-friendly
- Event village
- Teams
- Marshals
- Multiple laps
- Out and back
- Way markers
- GPX available
GPX route
The route is displayed on the map above.
Overview
Race around the stunning shores of Grafham Water with fast, scenic runs and a smooth, rolling bike course. This is a superb PB-friendly route built for speed and motivating crowd support.
Route highlights
- Scenic run routes starting and finishing near Grafham Water
- Fast, open-road bike course with gentle rolling terrain
- Clearly marked, fully marshalled course
- Traffic-managed roads for a smooth, confident ride
- Ideal for both beginners and experienced athletes
- Beautiful reservoir setting with great spectator vantage points
- Paid parking
- Rural
Event HQ
Grafham Water Visitor Centre
Grafham
Huntingdon
Cambridgeshire
PE28 0BH
UK
Paid parking
Car Parking is available at the venue with parking fees payable to Anglian Water.
- Chip timing
- Map
- Medal
Included
- Custom designed medal
Optional extras
- ICE Band - £22.94
- Personalised Medal Insert - £9
You will need
If you are not a member of British Triathlon already, you will need:
- British Triathlon Federation Race Pass - £8
Easy race to get to, quick parking and a speedy course :) Loved the atmosphere and great vibe at the finish line! Karina K
Another great event from the guys at ATW. Will definitely do this one again and recommend to everyone. It was the national champs but is suitable for all abilities. Very friendly. Pre race info was spot on and the course was easy to navigate. Marshalls were fantastic too. This years route was slightly different to last year and I think much better. Running along a dam is not something you get in many races! Nick C
Cannot rate this event highly enough. Was concerned as knew I would be one of the slower competitors but was told there was no cut off. I watched the last participant come in almost an hour after me and he was given as loud a cheer and as much support as the very first runner. We were supported all the way around by the amazing smiling and encouraging Marshals. The route was very clearly marked, the atmosphere was upbeat and friendly. Two opportunities to be cheered on the run and bike. Huge thank you to the organizing team for making this such a positive experience. And thank you for the absolutely fantastic free photographs! They are just amazing. Anne D
Well organised event. Plenty of signage and marshalls around course. Friendly and helpful marshalls for any questions you have and I had plenty. Great event for all abilities. This was my first duathlon and was never made to feel out of place. Will definately be doing it again and will look for other events organised by ATW. Jason B
Great event, well organised and very friendly staff. Great course and competition. Drew N
Great event. Well signposted throughout. Lots of marshals and volunteers. Andrej W
Relaxed atmosphere. Professional. Compère was brilliant. Simon S
Loved every moment of this event! The atmosphere was great! Jo
Amazing course and support, everything was top-notch. Can’t wait to race again next year! Sarah M
The welcome from the organisers as always top class. Making everyone feel like they belonged, were fully supported and provided for. Pretty much faultless. Gwen K
Reviews thanks to RaceCheck
- Bring your own cup
- Recycling
- Sustainability policy
Here are the ways this event cares for the environment:
Summary
- Recycling bins
- Recycling gets separated from general waste
- Finish line water bottles made from recycled material
- Refill taps are provided so participants can bring their own bottle and fill up during the event
- The choice of paper cups at water stations
- Signage including course marking attached with reusable garden wire instead of plastic cable ties
- 'Dynamic bib assignment’ removes the need for envelopes, sticker labels and excess waste
- Bike racking is provided to promote cycling to the events
- Age 17 & over on 31 Dec 2026
- Entries open
- Enter online
Relay
Teams of 2.
Entry fees
Early bird entry fee
£64.00
Team entry fee
£79.00
Other races at event
- Sun 25 Oct
- #1 of 2
08:30
Age 17 & over
£54
- 5 km road running
- 17 km road cycling + 344 ft ascent
- 2.5 km road running