Sleaford
Triathlon Calendar near Sleaford 2026-2027
Monthly updates for Sleaford
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Explore the top triathlons near Sleaford for 2026-2027! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
A team relay triathlon for four-person teams at the National Watersports Centre on 29 August 2026, featuring 500 m swim, 15 km bike and 5 km run legs and championships for club members and non members.
September 2026
Open-water aquathlon at Colwick Country Park on 5 September 2026 with short and sprint races combining a lake swim followed by a run.
Middle distance triathlon at Rutland Water on 13 September 2026 with a 1.9 km swim, 89 km bike and 21 km run, plus aquabike and relay options.
NightTriathlon at Rutland Water combines a 500m night swim, a 15km closed-road bike and a 5km illuminated run around Whitwell, with swim practice and race services included.
May 2027
A weekend of multisport racing at the National Water Sports Centre with sprint, junior runs, a half-distance triathlon, and an aquabike option.
July 2027
Multisport weekend at Belvoir Castle on 17 and 18 July 2027 offering triathlon, duathlon, swim and run across 3,000 acres with junior races and camping.
A two-day triathlon weekend at the National Water Sports Centre Nottingham with full distance, Aquabike, sprint and youth races plus an event village and relay option.