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Test & Tune

These are evenings the track is open to anyone and everyone to race down The Fastest Track in Michigan! It doesn't matter if you are driving a fast racecar or mom's grocery getter anyone can drive down the racetrack. These events are offered on specific Wednesdays and Fridays. The open Test & Tune evenings on Wednesdays are named Leinenkugel Ladies Nights, Fridays are Fun 'n Grudge and once a month during the Fun 'n Grudge US 131 features a Midnight Madness. There are at least two Leinenkugel Ladies Wednesday Nights per month, several Fun 'n Grudge and one Midnight Madness event.

Wednesdays Test & Tune

Participants will not want to miss these bargain nights. The US 131 Motorsports Park staff will be available to assist anyone interested in learning more about drag racing and bracket racing. We will run open time runs for the first part of the event. Drivers will then be able to place a dial-in on their car, if they choose, and run just as if they were running in an actual bracket race. All just for fun to see who can take the win light!

Drink specials will run each Wednesday for ladies!  Stay tuned for further details.

Gates open at 5pm, racing from 6pm to 10pm.
Admission for spectators $10
 Racers pay only $25

Friday Nights

Friday Nights include an open Test & Tune for any and all vehicles, novice or seasoned racer. Similar to Wednesdays, drivers can make unlimited time runs all evening and pair up against other racers for grudge matches. Whether you want to just test your vehicle, run against one another or just hang out with friends this is the place to be on Friday nights.

Gates open at 5pm, racing from 6pm to 11pm
Admission is $10 and just an additional $15 to run your vehicle
Children ages 6-12 are $5 and children under 6 are FREE

Monster Midnight Madness

US 131 Motorsports Park will continue this popular street scene competition with late night racing and discounted gate fees. Including burnout contests, How to Race brochures, US 131 Motorsports Park staff will be on hand to explain terms, procedures and rules. All clubs welcome.

Discounted admission rates start at 8pm until 12 midnight. Entry fee only $5 per person and only $15 to race.

Gates open at 5pm, racing from 6pm to 12 midnight
Admission is $10 and just an additional $15 to run your vehicle
Children ages 6-12 are $5 and children under 6 are FREE

Both the Fun 'n Grudge and Monster Midnight Madness events are the ideal place to take it off the streets and onto the track in a safe, controlled and accurate environment where racers can battle it out. Who can argue with a win light? Unlike illegal street racing, there's no room for error with US 131 Motorsports Park's modern timing system.

General Rules for MMM

This will be a heads-up race with a pro tree, (NO HEAD STARTS). All street vehicles welcome. ALL IHRA rules apply.