Rotax Round 4 – Whilton Mill

29 - 31 August 2025

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Track details

Northamptonshire’s Whilton Mill hosts the final rounds of both the IAME and TKM Championships. The venue’s 1200m International Circuit features big kerbs, fast corners and an opening turn, known as ‘Oblivion’.

New for 2019 is the clubhouse featuring a bar and restaurant, changing room, showers and briefing room.

Facilities:

  • Tag Heuer timing
  • Restaurant
  • Showers
  • Clubhouse

Opened: 1991
Track record: 51.94 secs

The Circuit

Track length 1190
Pole Left
Location Northamptonshire
Rotax British O Plate

Classes competing at this event

Championships feature a number of different classes based on driver age and kart specification. Each class has its own races within the meeting.

Cadet

MicroMax UK

Age 8 - 12

  • 8-12 years old
  • 950mm CIK/Motorsport UK homologated chassis
  • 125cc restricted 2 stroke engine
  • VEGA tyres
  • Water cooled
Inter

MiniMax 950

Age 10 - 13

  • 10-13 years old
  • 950mm CIK/Motorsport UK homologated chassis
  • 125cc restricted 2 stroke engine
  • Mojo tyres
  • Water cooled
Junior

Junior X30

Age 12 - 15

  • 12-15 years old
  • Restricted 125cc water cooled IAME engine
  • Komet Tyres
  • CIK/Motorsport UK (group 1 or 2) homologated chassis
Senior

Senior X30

Age 15+

  • 15 years old upwards
  • 125cc water cooled IAME engine
  • Komet Tyres
  • CIK/Motorsport UK (group 1 or 2) homologated chassis
Compete against the best in the world!

Enter the 2025 Wera Tools British Kart Championships

On average, over 500 competitors register to compete in these Championships each season. Don’t miss out on your chance to fight for the Wera Tools British Kart Championship crown. Register now.

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