Sun 20 Jul 2025 Grantham, Leicestershire, UK

Belvoir Castle | Olympic Triathlon

Race through the beautiful grounds of stunning Belvoir Castle out into surrounding Leicestershire in an Olympic triathlon for all levels then celebrate with friends and family in the festival village.

  • Sun 20 Jul 2025
Belvoir Castle, Grantham

Triathlon Olympic

00:00

Age 17 & over on 31 Dec 2025

£100-£165

  • 1.5 km lake swimming
  • 45 km road cycling
  • 10.5 km road running

Event details

  • All fitness levels
  • Event village
  • Families
  • Newcomers
  • Spectators
  • Teams

Location

  • Rural

Route

  • First aid
  • Marshals
  • Wave start

What's included

  • Chip timing
  • Medal

Entries

  • Age 17 & over on 31 Dec 2025
  • Entries open
  • Enter online

Other races at event

  • Sat 19 Jul
  • #1 of 23
Belvoir Castle, Grantham

Triathlon 9-10 years

00:00

Age 9-10

£28-£60

  • 200 m lake swimming
  • 4.2 km road cycling
  • 1.3 km road running
  • Sat 19 Jul
  • #2 of 23
Belvoir Castle, Grantham

Triathlon 11-12 years

00:00

Age 11-12

£32-£60

  • 300 m lake swimming
  • 4 km road cycling
  • 1.6 km road running
  • Sun 20 Jul
  • #3 of 23
Belvoir Castle, Grantham

Triathlon 13-14 years

00:00

Age 13-14

£36-£60

  • 400 m lake swimming
  • 8 km road cycling
  • 2.4 km road running
  • Sun 20 Jul
  • #4 of 23
Belvoir Castle, Grantham

Triathlon 15-16 years

00:00

Age 15-16

£40-£60

  • 500 m lake swimming
  • 8 km road cycling
  • 2.4 km road running
  • Sat 19 Jul
  • #5 of 23
Belvoir Castle, Grantham

Triathlon Super Sprint

00:00

Age 15 & over

£76-£145

  • 400 m lake swimming
  • 20 km road cycling
  • 4 km road running
  • Sat 19 Jul
  • #6 of 23
Belvoir Castle, Grantham

Triathlon Sprint

00:00

Age 15 & over

£80-£150

  • 750 m lake swimming
  • 20 km road cycling
  • 5 km road running
  • Sat 19 Jul
  • #7 of 23
Belvoir Castle, Grantham

Triathlon Sprint Plus

00:00

Age 17 & over

£92-£155

  • 800 m lake swimming
  • 40 km road cycling
  • 8 km road running
  • Sun 20 Jul
  • #9 of 23
Belvoir Castle, Grantham

Triathlon Gauntlet

00:00

Age 18 & over

£196-£295

  • 1.9 km lake swimming
  • 90 km road cycling
  • 21 km road running
  • Sat 19 Jul
  • #10 of 23
Belvoir Castle, Grantham

Duathlon Sprint

00:00

Age 15 & over

£60-£75

  • 5 km trail running
  • 20 km road cycling
  • 2.5 km trail running
  • Sun 20 Jul
  • #11 of 23
Belvoir Castle, Grantham

Duathlon Standard

00:00

Age 17 & over

£64-£80

  • 10.5 km trail running
  • 45 km road cycling
  • 5 km trail running
  • Sun 20 Jul
  • #12 of 23
Belvoir Castle, Grantham

Duathlon Middle

00:00

Age 18 & over

£72-£90

  • 10.5 km trail running
  • 90 km road cycling
  • 10.5 km trail running
  • Sat 19 Jul
  • #13 of 23
Belvoir Castle, Grantham

Aquabike Sprint

00:00

Age 15 & over

£52-£65

  • 750 m lake swimming
  • 20 km road cycling
  • Sun 20 Jul
  • #14 of 23
Belvoir Castle, Grantham

Aquabike Standard

00:00

Age 17 & over

£56-£70

  • 1.5 km lake swimming
  • 45 km road cycling
  • Sat 19 Jul
  • #15 of 23
Belvoir Castle, Grantham

Aquathlon Sprint

00:00

Age 15 & over

£40-£50

  • 750 m lake swimming
  • 5 km road running
  • Sun 20 Jul
  • #16 of 23
Belvoir Castle, Grantham

Aquathlon Standard

00:00

Age 17 & over

£52-£65

  • 1.5 km lake swimming
  • 10 km road running
  • Sat 19 Jul
  • #17 of 23
Belvoir Castle, Grantham

Swim 1 Mile

00:00

Age 13 & over

£36-£45

  • 1 mile lake swimming
  • Sat 19 Jul
  • #18 of 23
Belvoir Castle, Grantham

Swim 2.5K

00:00

Age 16 & over

£44-£55

  • 2.5 km lake swimming
  • Sat 19 Jul
  • #19 of 23
Belvoir Castle, Grantham

Swim 5K

00:00

Age 18 & over

£52-£65

  • 5 km lake swimming
  • Sun 20 Jul
  • #20 of 23
Belvoir Castle, Grantham

Run 10K

00:00

Age 15 & over

£28-£35

  • 10 km trail running
  • Sun 20 Jul
  • #21 of 23
Belvoir Castle, Grantham

Run Half Marathon

00:00

Age 17 & over

£36-£45

  • 21.1 km trail running
  • Sun 20 Jul
  • #22 of 23
Belvoir Castle, Grantham

Run Marathon

00:00

Age 18 & over

£52-£80

  • 42.2 km trail running
  • Sat 19 Jul
  • #23 of 23
Belvoir Castle, Grantham

Triathlon Starter

00:00

Age 15 & over

£64-£120

  • 200 m lake swimming
  • 12 km road cycling
  • 2.5 km road running