www.atwevents.co.uk

ATW Grafham Duathlon

Huntingdonshire, East of England, United Kingdom

calendar_today 25 Oct, 2026

About the Event

Test your multisport mettle at the historic ATW Grafham Duathlon on October 25, 2026, held at the iconic Grafham Water venue, a celebrated stage for national championships and GB qualifiers. Choose between the Standard (10km/38km/5km) or Sprint (5km/17km/2.5km) distances on a course designed for speed and stunning views, starting with a run across the famous reservoir dam wall. The draft-illegal bike leg offers a fast, out-and-back blast on smooth roads, ensuring a fair and competitive ride for all athletes under the watch of British Triathlon officials. Organized by the UK's largest multisport specialist, ATW, this event is renowned for its impeccable organization, supportive community atmosphere, and hassle-free transfer policy that truly puts athletes first. Whether you're a seasoned competitor chasing a podium or a newcomer seeking a welcoming yet authentic challenge, you'll find your place in this autumn classic. With on-site camping and accommodation options, you can turn race day into a full weekend adventure focused on performance and camaraderie. Secure your Super Early Bird spot for a crisp autumn Sunday where personal achievement meets the professional polish of a premier duathlon.

Races Offered

Sprint Distance Duathlon

Oct 25, 2026

straighten

Distance — 5 km 17 km 2.5 km

terrain

Type — Multisports

timer

08:30

Standard Distance Duathlon

Oct 25, 2026

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Distance — 10 km 38 km 5 km

terrain

Type — Multisports

timer

08:30

Standard Distance Duathlon Relay

Oct 25, 2026

straighten

Distance — 10 km 38 km 5 km

terrain

Type — Multisports

timer

08:30

Weather History

These values represent the 3-year monthly averages for October in Huntingdonshire.

thermostat Temperature

9.1° / 15.4°

wb_sunny Feels like

5.8° / 12.5°

light_mode Avg sunshine hours

5h 38m

water_drop Avg rainfall

2.5 mm

ac_unit Avg snowfall

—

air Avg wind speed

15.3 km/h (Gentle breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Low (2.8)

humidity_mid Humidity

82.8%

wb_twilight Sunrise

07:27

nightlight Sunset

18:04

About Huntingdonshire

Learn more about the host city, Huntingdonshire.

Huntingdonshire is a local government district in Cambridgeshire, England. The district had a population of 180,800 at the 2021 census, and has an area of 354.3 square miles (918 km2). The largest towns are St Neots (33,410), Huntingdon (25,428), and St Ives (16,815). The district council is based in Huntingdon.