UPCOMING USAC AMSOIL SPRINT CAR NATIONAL CHAMPIONSHIP EVENT
DATE:
Thursday, September 18, 2025
SERIES:
USAC AMSOIL Sprint Car National Championship
TRACK:
Eldora Speedway (Rossburg, Ohio) – 1/2-mile dirt oval
EVENT:
43rd running of the 4-Crown Nationals presented by NKTELCO Prelim Night#1 featuring the USAC AMSOIL Sprint Car National Championship & the USAC NOSEnergy Drink Midget National Championship
STARTING TIMES:
Pit pass & ticket sales begin at 2pm Eastern. The grandstands openat 2pm. The drivers meeting will take place at 5pm. Cars on track at 6pm withqualifying and racing for both divisions immediately following.
TICKETS:
Advance tickets are on sale now at https://eldoraspeedway.showare.com/eventperformances.asp?evt=546
For ages 13 & up, general admission tickets are $30. Reserved seatsare $35.
For ages 12 & under, general admission tickets are free. Reservedseats are $10.
Pit passes are $40 each night ($130 for 3-night pit pass)
TRACK ADDRESS:
13929 OH-118, New Weston, OH 45348
TRACK PHONE:
(937) 338-3815
TRACK WEBSITE:
www.eldoraspeedway.com
MEDIA COVERAGE:
Watch LIVE on FloRacing at https://www.flosports.link/usac
Listen LIVE on the USAC app or online at http://www.mixlr.com/usac-official/
Follow along with live updates on https://www.facebook.com/usacracing/ & https://www.twitter.com/USACNation
Live timing on the Race Monitor app
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USAC AMSOIL SPRINT CAR NATIONAL CHAMPIONSHIP FORMAT
Formats may be altered from base formats listed here at the discretionof the chief steward.
QUALIFICATIONS
Qualifying is two (2) laps to be run consecutively with the fastest lapcounting as the official qualifying time.
HEAT RACES
If 41 or more cars are in competition, five (5) heat races will be heldwith the top four (4) finishers transferring to the feature.
If 28-40 cars are in attendance during an event on a track under a halfmile in length, four (4) heat races will be held with the top five (5)finishers transferring out of each heat.
If 27 cars or less are in attendance during an event on a track under ahalf mile in length, three (3) heat races will be held with the top six (6)finishers transferring out of each heat.
8 laps. Top 6 cars are inverted in each heat race based on qualifyingresults. The fastest car starts 6th, the second fastest car starts 5th and soon. For the 4th row on back, cars will line up straight up, based on theirqualifying times.
HEAT #1:
4 Heats: Cars qualifying 1, 5, 9, 13, 17, 21 will start in invertedorder. Cars qualifying 25, 29, and so on will start behind invert.
3 Heats: Cars qualifying 1, 4, 7, 10, 13, 16 will start in invertedorder. Cars qualifying 19, 22, and so on will start behind invert.
HEAT #2:
4 Heats: Cars qualifying 2, 6, 10, 14, 18, 22 will start in invertedorder. Cars qualifying 26, 30, and so on will start behind invert.
3 Heats: Cars qualifying 2, 5, 8, 11, 14, 17 will start in invertedorder. Cars qualifying 20, 23, and so on will start behind invert.
HEAT #3:
4 Heats: Cars qualifying 3, 7, 11, 15, 19, 23 will start in invertedorder. Cars qualifying 27, 31, and so on will start behind invert.
3 Heats: Cars qualifying 3, 6, 9, 12, 15, 18 will start in invertedorder. Cars qualifying 21, 24, and so on will start behind invert.
HEAT #4:
Cars qualifying 4, 8, 12, 16, 20, 24 will start in inverted order. Carsqualifying 28, 32 and so on will start behind invert.
C-MAIN (IF NEEDED):
10 laps. Starting lineup will be determinedby heat race finish. Top 4 finishers of the C-Main will start in the last tworows of the semi-feature.
SEMI-FEATURE:
12 laps. The front row starting positions of the semi will be reservedfor the fastest two (2) non-transfers. Starting lineup will be determined byheat race finish from row two on back.
If three (3) heats were held, the top six (6) finishers from the semiwill transfer to the feature.
If four (4) heats were held, the top four (4) finishers from the semiwill transfer to the feature.
If five (5) heats were held, the top four (4) finishers from the semiwill transfer to the feature.
FEATURE:
30 laps. Starting positions determined by qualifying time, 6 fastest atthe front, with the 6 fastest qualifiers who transferred through their heatraces inverted by their qualifying time in the first three rows, positions 1-6.If a heat race winner is not in the top 6 inversion, that driver will line updirectly behind the six-car invert, based on their qualifying time, followed bythe balance of the field based on qualifying time. 24 starting cars (notincluding earned provisionals).
SPRINT TIRE RULES:
Right rear: 105/16 Medium & Hard
Left rear: SC12
Right front: Hoosier
Left front: Hoosier
RACE OFFICIALS:
Race Director: Kirk Spridgeon
USAC MEMBERSHIP:
Must be a member to earn points
Must be a member to earn contingency awards
Member insurance is $200,000 excess medical
Visit https://www.unitedstatesautoclub.com/memberships/ to apply for membership
USAC RADIO FREQUENCY
464.5500
Mandatory Driver Radio is Required
SPRINT FEATURE POINTS/PURSE STRUCTURE:
POS. PTS. PURSE
1 70 $6,000
2 67 $3,000
3 64 $2,000
4 61 $1,500
5 58 $1,200
6 55 $1,100
7 52 $1,000
8 49 $900
9 46 $850
10 43 $800
11 41 $775
12 39 $750
13 37 $725
14 35 $700
15 33 $675
16 31 $650
17 29 $625
18 27 $600
19 25 $600
20 23 $600
21 23 $600
22 23 $600
23 23 $600
24 23 $600
**Non-Transfers: $200
