Event Details

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Event Rules - Race Classes - Area Lodging

The Monkey Butt Dirt Drags are the biggest event of their kind in the Midwest! Join racers and spectactors from all over to see how much fun it can be. We have dirt drag classes for every type of 4-wheeler (sorry, no 3-wheelers allowed). For the brave rider, we have a 100 ft. Mud Bog, which has stopped many machines. For the skill rider, we have the Off-Road Challenge, now with three separate courses. Post your times head-to-head with other riders to see who is the fastest through the course.

PLEASE NOTE: Each event may bring changes to the Rules and/or Classes. Any riders that plan to participate in the event should check these page in advance so you're not caught off-guard the day of the event. All recent changes are noticeably marked.

The event is held at our usual location at the corner of Townline Rd and Vickerman Rd between Milton, WI and Janesville, WI. Take Townline Road east from Hwy 26 north of Janesville, and follow the signs to the event grounds.

Activities offered:
  • 300 ft. Grass/Dirt Drags
    • Electronic timing lights
    • Side-by-side racing
    • Double-elimination races
    • 26 race classes to fit any ATV or motorcycle
  • 100 ft. Mud Bog with both single and side-by-side races
  • Three Off-Road Challenge skill courses
    • Pee-Wee course
    • Standard course
    • Advanced course - Chest protector required!
Race Classes are available for all machine types. View the list to see where you fit in. Classes may be added or eliminated the day of the event depending on racer turnout.

For the Advanced Off-Road Course, a chest protector is required, and one will be available for use at the event if you cannot provide your own. We recommend racers look over the course before signing up. No refunds will be given if a rider is unable to handle the course.


Fees:
  • Spectator's Fee: $5 gate entry; Kids 12 and under admitted for free
  • Dirt Drags
    • First class entered: $20
    • Each additional class w/same machine: $10
  • Mud Bogs
    • Two runs: $15 per class (Peewee Classes $10.00)
    • ($5.00 per entry into Cash Payback for First and Second Place, Third receives trophy)
  • Off-Road Challenge
    • Pee Wee and Standard Courses:
      • One Run: $10
      • Three Runs: $15
    • Advanced Course:
      • Two Runs: $10
      • Five Runs: $20

Entry Forms:
Riders of all ages are welcome to participate in the events. Those under 18 years old are required to submit a release form on the day of the event, signed by both parents. Riders under 16 years old are not allowed to participate on ATVs or motorcycles over 400cc. For copies of the release form, contact Kirk Patterson.


Prizes:
  • Plaque or Trophy for 1st 2nd, and 3rd place finishers in Dirt Drags
  • Plaque or Trophy for 1st, 2nd, and 3rd place in Mud Bog and Off-Road Challenge
  • Participation trophies for all Pee-Wee participants in all events
  • Additional prizes vary by event

The rules for all events stays consistent. Over-the-ankle leather boots, long pants, DOT-Approved helmets, and protective eye wear are required when riding the machine at any time. Tethers are now required on ALL ATVs for the Dirt Drags. See our full event rules. No open riding is allowed, and horseplay and inappropriate riding will not be tolerated. Failure to follow the rules may result in being disqualified for a race class or eviction from the event grounds. No pets or alcohol are allowed on the event grounds.


Race-Day times:
  • Gates open for spectators at 8:00 a.m.
  • Dirt Drag registration from 7:00 a.m. to 9:00 a.m.
  • Dirt Drag racing begins at 10:00 a.m.
  • Off-Road Challenge registration from 9:00 a.m. to 1:00 p.m.
  • Off-Road Challenge racing from 10:00 a.m. to 3:00 p.m. - any racers with remaining tickets must be in the taped off area by 3:00
  • Off-Road trophies will be handed out at 4:00 p.m.
  • Mud Bog registration from 8:00 a.m. to 11:30 a.m.
  • Mud Bog racing begins at 11:30 a.m. and money runs will follow the regular classes

Consessions are available on the event grounds, including coffee, soft drinks, and food provided by the Thursday Noon Group of the Janesville Area Optimists Club.

These events would not be possible without the help from all of our sponsors. If you would like to become a sponsor for a Monkey Butt event, contact Kirk Patterson for details and different sponsorship levels.