Experience triathlon at a historic English school at the ATW Oundle Triathlon, a perfectly balanced swim-bike-run event set for Saturday, 16 August 2026 on the grounds of the prestigious Oundle School in Northamptonshire. This ideal event for both first-timers and seasoned athletes begins with a rare 400m or 600m swim in an indoor 50m pool before transitioning to a scenic, rolling bike course on quiet country roads and a fast run around the school's beautiful playing fields. Organised by the UK's largest triathlon promoter, Active Training World, it offers professional chip timing, supportive marshals, free event photos, and a custom finisher's medal in a fantastic, supporter-friendly venue. With options for Super Sprint and Sprint distances, plus relay and aquabike formats, it's a welcoming and brilliantly organized introduction to multi-sport. Secure your Early Bird entry for a classic, well-supported triathlon that combines accessibility with the unique charm of a quintessentially English setting.
Races Offered
Sprint Distance Aquabike
Aug 16, 2026
straighten
Distance —
25K
terrain
Type —
Multisports
timer
07:30
Sprint Distance Triathlon
Aug 16, 2026
straighten
Distance —
25 km 5 km
terrain
Type —
Multisports
timer
07:30
Sprint Distance Triathlon Relay
Aug 16, 2026
straighten
Distance —
25 km 5 km
terrain
Type —
Multisports
timer
07:30
Super Sprint Distance Triathlon
Aug 16, 2026
straighten
Distance —
13 km 2.5 km
terrain
Type —
Multisports
timer
07:30
Weather History
These values represent the 3-year monthly averages for August in Oundle, Northamptonshire.
thermostatTemperature
13.0° / 22.1°
wb_sunnyFeels like
11.0° / 19.2°
light_mode
Avg sunshine hours
9h 54m
water_drop
Avg rainfall
1.1 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
15.1 km/h (Gentle breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (4.9)
humidity_mid
Humidity
69.7%
wb_twilight
Sunrise
05:46
nightlight
Sunset
20:24
About Oundle, Northamptonshire
Learn more about the host city, Oundle, Northamptonshire.
Oundle is a market town and civil parish on the left bank of the River Nene in North Northamptonshire, England, which had a population of 6,254 at the time of the 2021 census. It is 69 miles north of London and 12 mi (19 km) south-west of Peterborough. The town is home to Oundle School.
