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Bracket I (Box) - sponsored by AlumaClear

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Any dial
Door Cars, Dragsters, Motorcycles
Electronics Permitted
Regular Event Entry $50/$20 buyback
***Delay boxes permitted. The MSD Digital 7531, MSD Grid ARC Module 7761, and other devices used to control engine acceleration via rev limiting (stuttering) are prohibited at Northern Michigan Dragway. Devices that use slew rate or drive shaft speed to control the timing of the engine are also prohibited.

Bracket II (No Box) - sponsored by River's Edge Tree Specialists

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Any dial

Door Cars, Dragsters, Motorcycles, Snowmobiles

No delay box - Transbrake permitted

Regular Event Entry $40/$20 buyback

***Delay boxes must be removed.***

Pro Trophy - sponsored by SK Customs in memory of Mike Peck

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9.99 and faster

Door Cars, Dragsters, Motorcycles, Snowmobiles

No delay box - Transbrake permitted

Regular Event Entry $20/$10 buyback

***Delay boxes must removed.***

Special exception of 10.00 & slower for grandfathered racers with 3 ST wins, former track champions, 

or top 5 points finishers.

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Street Trophy - sponsored by Eriksen's Towing & Recovery

8.00 and slower - Entry-level class** - not eligible for Points Program
Street Vehicles, Motorcycles
No delay box - Transbrake permitted
Regular Event Entry $15/$10 buyback
Any racer who has won 3 class winner trophies at NMD must advance to another division. 

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Advanced Juniors - sponsored by Lee's Offroad                                  Mini Juniors - sponsored by ModuGo

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Any dial
Mini (8-11), Advanced (12+ or by choice) - cannot run both
Junior Dragsters, Go-Karts with cage, Mini-bikes
Advanced Juniors - $20 Entry/$10 buyback
Juniors - $10 Entry/$10 buyback

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Top Doorslammer  - sponsored by Grand Rapids Machine Repair

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Top qualifying 8 must be 5.99 or faster
2 qualifying rounds Friday + eliminations Saturday
Pro Tree 
$150 Entry
Run Order: 1 vs. 4, 2 vs. 3, 5 vs. 8, 6 vs. 7
$2000 to Win, $500 Runner-Up, $200 Semis (with a minimum of 8 entries)
Plus - consolation class for first round losers - $400 to win, $200 runner-up
Top Doorslammer Points Program ($25 entry fee)
         10 points for each main event round win, +3 win, +2 runner-up, +1 semi
         10 point one-time bonus + 5 points per event for those entered in the program
         3 points Top Qualifier, 2 points #2 qualifier, 1 point #3 qualifier
         3 points to consolation race winner, 2 points to runner-up, 1 point to semi-finalist

STREET NIGHT  - sponsored by Statewide Towing

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2024 Events: May 17, June 7, July 12, August 9, September 6 & 28
Street Legal Vehicles Only - Bracket Races, Full Tree - 1st Round buyback Available
Street Trophy Class - $15 Entry/$10 buyback - 8.00 & slower
High School Class - $15 Entry/$10 buyback - Must be enrolled in grades 9-12 during 2023 (includes incoming freshman & graduated seniors)
Open Money Class - $500 to Win - $25 Entry/$10 byeback - Street Legal, Any Dial, Full Tree
Chicks on Slicks - $20 Entry/$10 Buyback - any vehicle, any tire, chicks only (points program available)
Rider Class - see below
May compete in multiple classes

Rider Class  - sponsored by Spaces to Experiences

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Runs on the following 2024 dates: May 17, June 7, July 12, August 9, September 6 & 28
Snowmobiles and Motorcycles - 13.99 & quicker
Full Tree 
$40 Entry - $20 1st rd buyback
$50 to best reaction time in eliminations from Spaces 2 Experiences
Free entry points program

GENERAL INFORMATION

Buybacks available after 1st round loss only - directly to round 2.
No double entries allowed.
A driver may enter more than one vehicle, but not the same vehicle twice.
Separate drivers may enter the same vehicle.
Helmets are required for all juniors and vehicles 8.50 or faster.
Engine diaper or similarly approved Oil Retention Device required for vehicles 7.49 or faster.
For further specifications, please reference IHRA guidelines, available at: http://www.ihra.com/OnlineRulebook/

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