The Boise Muffler/NAPA Gold Cup Series returns on Sunday, May 4, tied in conjunction with the Interstate Batteries Spring Best of Detroit race.
Gates will open at 9 am, followed by eliminations at 1 pm. Racing will be contested in Gold Cup classes, along with the Chevy Cup, Ford Cup, Buick-Olds-Pontiac Cup and Mopar Cup. The overall King of the Spring Detroit winners will square off a runoff to decide the ultimate four-way champion.
Sunday marks the first of four-races in the NHRA Division 6 Land of the Leaders Challenge (for Super Pro, Pro, Sportsman, Sled/Bike and Jr. Dragster/Jr. Street.
Additionally, a show `n shine will also be offered for all Detroit brands in the upper pit area.
Gold Cup racing will also be offered in Super Pro, Pro, Sled/Bike, Sportsman and Jr. Dragster/Jr. Street. In addition to all of Firebird’s Gold Cup divisions, The Comfort Source Pro Comp eliminator will kick off its point’s series on both Sat (qualifying) and Sun (eliminations). All-new for 2025, Snake River Speed Shop/Free Form Motorsports will present the Idaho Small Tire Series on Sunday, 5/4. The class will be heads-up, .4-tenths pro light, eighth-mile running a 28 x 10.5 Non W or 275 radial.
(click logo for tickets)
CLASSES |
|---|
| Chevy Cup |
| Ford Cup |
| Buick-Olds-Pontiac (BOP) Cup |
| Mopar Cup |
| King of the Spring – 4-way runoff at day’s end (between Detroit champions) |
| Super Pro (eighth-mile) |
| Pro Comp (quarter-mile) |
| Pro (9.00 – 13.99, quarter-mile) |
| Sled/Bike (13.99 or quicker, quarter-mile) |
| Sportsman (11.60 and slower, quarter-mile) |
| Idaho Small Tire (heads up, pro tree, eighth-mile) |
| Junior Dragster (5 – 17 year olds, eighth-mile) |
| Junior Street (13-16 year olds, eighth-mile) |
RACE FEES |
|---|
| Super Pro Full Event: $185 (Day of event $205) |
| Pro Full Event: $145 (Day of event $165) |
| Pro Comp Full Event: $125 (Day of event $145) |
| Sled/Bike Full Event: $110 (Day of event $130) |
| Sportsman Full Event: $80 (Day of event $90) |
| Jr. Dragster Full Event: $80 (Day of event $90) |
| Jr. Street Full Event: $80 (Day of event $90) |
| Idaho Small Tire: $140 (Day of event $150) |
| Sunday Detroit Cup entry (choice of Chevy, Ford, Mopar, BOP): $40 (Day of event $50) |
| Adult Crew Pass Full Event (wristband): $35 (day of event $40) |
| Annual permanent number/license card: $10 |
ADMISSION |
|---|
| Adult Spectator (w/pit pass): $15 ($18 day of event) |
| Ages 6-12: $5 |
| Ages 5 & Under: Free |
RACE SCHEDULE |
|---|
| Opens: 8:00 pm |
| Time Trial: 9:15 pm |
| Racing: Noon |
| Concludes: 6 pm |
Defending Spring Detroit/Gold Cup champions include:
- King of the Spring Detroit Runoff champion
Casey Youngstrom, Pontiac - Super Pro
Robert Glembocki - Pro
Keaton Keene - Sled/Bike
Roy Barerra - Jr. Dragster
Abigail Bernal - Pro Comp
Anthony Keller - Chevy Cup
Jacob Phelps - Ford Cup
Bill Meyers - B.O.P. Cup and Runoff
Casey Youngstrom - Mopar Cup
Summer Field
Racers may stay (or camp) overnight during this two-day event.
SPORTSMAN RACER TECH CARD
(Fill-In and Printable Tech Card link)
TECH CARD: As a convenience to both you and Firebird’s tech team, please completely fill out the .pdf form on your computer (click on hyperlink above, both sides) and print. Please bring printed copy to this event to expedite the inspection process.