Sat 4 - Sun 5 Jul 2026 Grantham, Leicestershire, UK

Tough Mudder Midlands

One of the most technically difficult Tough Mudder events where all obstacles are scaled-up, with surprises, extra muddy terrain, killer hills and scenic views of Belvoir Castle too.

11 races

  • Sat 4 Jul 2026
  • #1 of 11
Belvoir Castle, Grantham

5K - Saturday

11:00

Age 14 & over

£65

  • 5 km multi terrain running
  • Sat 4 Jul 2026
  • #2 of 11
Belvoir Castle, Grantham

15K - Saturday

07:45

Age 14 & over

£85-£90

  • 15 km multi terrain running
  • Sat 4 Jul 2026
  • #3 of 11
Belvoir Castle, Grantham

Tough Mudder Infinity - Saturday

07:30

Age 18 & over

£129

  • 8 hrs multi terrain running
  • Sun 5 Jul 2026
  • #4 of 11
Belvoir Castle, Grantham

5K - Sunday

11:00

Age 14 & over

£65

  • 5 km multi terrain running
  • Sun 5 Jul 2026
  • #5 of 11
Belvoir Castle, Grantham

15K - Sunday

08:45

Age 14 & over

£80-£85

  • 15 km multi terrain running
  • Sat 4 Jul 2026
  • #6 of 11
Belvoir Castle, Grantham

Kids by Spartan 1K - Saturday

11:00

Age 4-14

£20

  • 1 km multi terrain running
  • Sat 4 Jul 2026
  • #7 of 11
Belvoir Castle, Grantham

Kids by Spartan 1.5K - Saturday

10:00

Age 4-14

£20

  • 1.5 km multi terrain running
  • Sat 4 Jul 2026
  • #8 of 11
Belvoir Castle, Grantham

Kids by Spartan 3K - Saturday

09:00

Age 4-14

£20

  • 3 km multi terrain running
  • Sun 5 Jul 2026
  • #9 of 11
Belvoir Castle, Grantham

Kids by Spartan 1K - Sunday

11:00

Age 4-14

£20

  • 1 km multi terrain running
  • Sun 5 Jul 2026
  • #10 of 11
Belvoir Castle, Grantham

Kids by Spartan 1.5K - Sunday

10:00

Age 4-14

£20

  • 1.5 km multi terrain running
  • Sun 5 Jul 2026
  • #11 of 11
Belvoir Castle, Grantham

Kids by Spartan 3K - Sunday

09:00

Age 4-14

£20

  • 3 km multi terrain running

Event overview

Event details

  • All fitness levels
  • Average fitness
  • Event village
  • Families
  • Newcomers
  • Spectators
  • Teams
  • Traders at event

Location

  • Bag storage
  • Bar
  • Cafe
  • Camping
  • Changing facilities
  • Free parking
  • Music
  • Park
  • Showers
  • Toilets

Charity places

Charity places are also available in this event. Secure your place now with one of our charity partners.

Get charity place

Races at event

  • Sat 4 Jul 2026
  • #1 of 11
Belvoir Castle, Grantham
5K - Saturday

11:00

Age 14 & over

£65

  • 5 km multi terrain running
  • Sat 4 Jul 2026
  • #2 of 11
Belvoir Castle, Grantham
15K - Saturday

07:45

Age 14 & over

£85-£90

  • 15 km multi terrain running
  • Sat 4 Jul 2026
  • #3 of 11
Belvoir Castle, Grantham
Tough Mudder Infinity - Saturday

07:30

Age 18 & over

£129

  • 8 hrs multi terrain running
  • Sun 5 Jul 2026
  • #4 of 11
Belvoir Castle, Grantham
5K - Sunday

11:00

Age 14 & over

£65

  • 5 km multi terrain running
  • Sun 5 Jul 2026
  • #5 of 11
Belvoir Castle, Grantham
15K - Sunday

08:45

Age 14 & over

£80-£85

  • 15 km multi terrain running
  • Sat 4 Jul 2026
  • #6 of 11
Belvoir Castle, Grantham
Kids by Spartan 1K - Saturday

11:00

Age 4-14

£20

  • 1 km multi terrain running
  • Sat 4 Jul 2026
  • #7 of 11
Belvoir Castle, Grantham
Kids by Spartan 1.5K - Saturday

10:00

Age 4-14

£20

  • 1.5 km multi terrain running
  • Sat 4 Jul 2026
  • #8 of 11
Belvoir Castle, Grantham
Kids by Spartan 3K - Saturday

09:00

Age 4-14

£20

  • 3 km multi terrain running
  • Sun 5 Jul 2026
  • #9 of 11
Belvoir Castle, Grantham
Kids by Spartan 1K - Sunday

11:00

Age 4-14

£20

  • 1 km multi terrain running
  • Sun 5 Jul 2026
  • #10 of 11
Belvoir Castle, Grantham
Kids by Spartan 1.5K - Sunday

10:00

Age 4-14

£20

  • 1.5 km multi terrain running
  • Sun 5 Jul 2026
  • #11 of 11
Belvoir Castle, Grantham
Kids by Spartan 3K - Sunday

09:00

Age 4-14

£20

  • 3 km multi terrain running