Guildford
Triathlon Calendar near Guildford 2026-2027
Monthly updates for Guildford
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Guildford for 2026-2027! We've gathered 27 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Triathlon at Dorney Lake with Sprint Standard and Super Sprint distances plus aquabike and relay options on a flat Olympic venue.
Triathlon at Dorney Lake on 8 August 2026 offering Super Sprint, Sprint and Standard distances, plus aquabike and relay options. Entries include a themed medal, chip timed results and free race photos.
An inclusive triathlon at Dorney Lake on 15 August 2026 offering solo, relay and adaptive options across three distances with no cut-off times.
A family adventure race at Alice Holt Forest on 16 August 2026 offering The Pack and Wolf Cub Challenges with combined cycling and on foot sections.
A sprint-distance triathlon at Thorpe Park on 23 August 2026 with a 750m lake swim, 20 km bike and 5 km three-lap run. Organised by RunThrough, the event supports Macmillan and includes Thorpe Park entry.
Evening triathlon at Dorney Lake with sprint and super sprint races, aquabike and relays, chip timing, wetsuit hire and free parking.
Experience a triathlon at an iconic Olympic venue featuring a calm open water swim and a flat traffic free course. Choose from Super Sprint Standard Aquabike or relay options with chip timing and themed medals for all finishers.
Triathlon events at Dorney Lake with Super Sprint, Sprint and Standard distances plus aquabike and relay options at an Olympic venue.
A community duathlon on Hampstead Heath combining swims across the ponds and short runs, held on 30 August 2026. Individuals and teams of three to five can enter, and some proceeds support local breast cancer rehabilitation programmes.
September 2026
A multisport event at Dorney Lake, offering triathlon, duathlon, aquabike, aquathlon and open water swims with marked courses and chip timing.
Pool swim, fast bike loops and a lapped park run at Woking Leisure Centre offering junior and adult triathlon and aquathlon races.
Team relay triathlon at Southwater Country Park on 13 September 2026, with teams of three completing a 400 m swim, 18 km cycle and 3.8 km run. Wetsuits are compulsory and a British Triathlon race licence or race pass is required for competitors.
Tri Reigate at Buckland Park in Surrey offers sprint and standard triathlon distances with a lake swim, country-lane cycling and lakeside running, supporting Macmillan Cancer Support.
Multisport event at Henley Showground on the River Thames offering triathlon, aquabike and open water swims on marked, marshalled courses.
A traffic free triathlon at Eton Dorney on 20 September 2026 offering super sprint, sprint and standard distances for individuals and three‑person teams, with chip timing, water safety cover and on‑site parking.
Triathlon at Dorney Lake on 26 September 2026 with Super Sprint, Sprint and Standard distances, plus Aquabike and relay options. The event supports Macmillan Cancer Support and features chip timed results, race photos and an event village.
Triathlon at Dorney Lake in Windsor with Super Sprint, Sprint, Standard, aquabike and relay options on a flat, chip timed course; British Triathlon licence required.
A multisport weekend at Hever Castle in Kent with triathlon, duathlon, aquabike, aquathlon, swim and run races across several distances, a large junior triathlon and a festival village. Alzheimer's Research UK is the event charity.
October 2026
Race at a historic Olympic venue with this flat and fast road duathlon. Choose from Super Sprint Standard or Relay distances and enjoy a chip timed course through the scenic grounds of Dorney Lake.
Duathlon and triathlon races at Dorney Lake on flat, chip timed courses with Super Sprint, Sprint and Standard distances plus relay and aquabike options.