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

Chip timing
Enter online
Event village
Families
Newcomers
Rural

Event details

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