Thruxton Mass Attack Duathlon

OCT
4
2026
Join the Thruxton Mass Attack Duathlon on the wide smooth tarmac of Thruxton Race Circuit with music and live commentary. Sprint and standard races offer GB 2027 World Duathlon age group qualifying spots and welcome all abilities.
Sun 4 Oct 2026
Run 2 (standard Distance) Run 1 (sprint Distance) Run 2 (sprint Distance) Run 1 (standard Distance) Bike (standard Distance)

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Event overview

Thruxton Mass Attack Duathlon is organised by Challenging Events Ltd and is based at Thruxton Race Circuit near Andover, Hampshire (SP11 8PW). The course uses the motor circuit and is a wide, smooth tarmac route. Event features include music, live commentary, a live social feed, spectator viewing areas, and a café. Free parking is available within the motor circuit and overnight motorhome parking is available by pre-booking. Volunteer marshals receive a credit voucher.

Both the sprint and standard distances are qualifiers for the GB 2027 World Duathlon Age Group Championships. Athletes who wish to qualify must register their intent with British Triathlon before the Friday prior to the race. The event is open to all athletes.

Race distances and rules

  • Standard - Run 11.4 km (3); Bike 38 km (10); Run 3.8 km (1)
    Non-drafting event; time-trial (TT) bikes allowed.

  • Sprint - Run 3.8 km (1); Bike 19 km (5); Run 3.8 km (1)
    Draft-legal event; TT bikes not allowed.

Additional information includes marshal sign-up opportunities and a published code of conduct for participants. Visit the organization's website for the most recent information.

11 km
Run 1 (standard Distance)
Run 2 (standard Distance)
Run 1 (sprint Distance)
Run 2 (sprint Distance)
Bike (standard Distance)
Bike (sprint Distance)

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