Classes – Tire Sizes
Kids Class – 35.5” Tires and Under, Naturally Aspirated Engines Only
Small Tire Class ATV – 35.5” Tires and Under, Naturally Aspirated Engines Only
Small Tire Class UTV – 35.5” Tires and Under, Naturally Aspirated Engines Only
Medium Tire Class ATV – 36” – 45” Tires
Medium Tire Class UTV – 36” – 45” Tires
Big Tire Class ATV – 45.5” – 59.5” Tires
Big Tire Class UTV – 45.5” – 59.5” Tires
Unlimited Tire Class (Unlimited) – 60” and up tires.
- All machines must be equipped with the appropriate tire size for the class entered.
- Smaller tires cannot race in a class designated for larger tires.
- If a machine has two tire sizes, the largest tire will be used for class designation.
STC Equipment Regulations
- Naturally Aspirated (NA) engines ONLY for Kids Class
- Naturally Aspirated (NA) engines ONLY for the Small Tire Class (STC)
- No turbos, no blowers, no nitrous allowed.
General Equipment Regulations
- Definition of “Production Style”: As produced for and equipped on machines sold by manufacturers and their dealers (OEM) or be produced as a direct replacement for OEM the equipment. Commonly referred to as “Stock”
- All machines must retain and utilize Production Style ATV / UTV Engine, Transmission, and Differential.
- No Motorcycle, car, or truck engines, transmissions, or differentials allowed.
- Axel paddles are allowed, as long as the axels remain as Production Style for the ATV or UTV.
- Stretched or modified frames and tube chassis are allowed.
- All types of tires are allowed but must be run in the appropriate class, as measured by the tire’s actual physical dimensions, not the dimensions indicated on the side of the tire.
- Maximum of 4 Tires are allowed on a machine at one time.
- No Tracks or track-type systems are allowed; all tires must be air inflatable tires.
- All ages are eligible to run in the Small Tire Class
- Machines may be entered by multiple racers, but all racers must race with the same machine they signed up with.
- Participants must be 16 years of age and up in order to run in the Medium or Unlimited Tire Classes on an ATV / 4-Wheeler.
- Participants under 16 years of age that have won a qualifying bounty hole event in the past may be eligible to enter the Medium or Unlimited Tire Classes on an ATV / 4-Wheeler WITH PRIOR APPROVAL BEFORE THE DAY OF THE RACE.
- You must run the original machine you entered in the event.
- Second runs are available for purchase at the time of registration up to the time of the driver’s meeting.
- You must run the original machine you entered into the event for any subsequent runs including second runs and run offs.
- If you’re not present and ready for your run when your run is up, you will be disqualified.
- You cannot exit the hole on the starting-line side once your run has begun.
- Reversing is allowed if a machine has fully entered the hole.
- Registration Times TBD
- Registration for your classes and all runs must be purchased before the start of the driver’s meeting.
- Driver running order will be drawn at random for each class at the rider’s meeting. Second runs will be drawn as a second heat to be run after all first runs are completed.
- All drivers must attend the driver’s meeting themselves in-person. No rider representatives are allowed to attend in place of a registered driver.
- Unsportsmanlike conduct will be immediately disqualified.
- All pit official scoring calls will be made at their pit and will be final and will be final upon a 3-person committee review.
- “Floating” and “Skimming” are both allowed.
- There will be a 5 (five) minute time limit for each run.
- All competitors must start with the center of your tire on the starting line as drawn by the official.
- Only 1 (one) person per machine during runs – regardless of manufacturer seating or ability.
- Helmets are required for all drivers.
- Goggles, safety glasses, and fire-retardant suits are recommended for all drivers.
- You (the driver) must be present for the drivers meeting, and number draws.
- After registration, prior to the drivers meeting, you must have your machine(s) and all tires ready for pre-race inspection and machines will remain in the staging area.
- You cannot leave your machine or touch the ground in a manner to support your weight or to advance forward progress at any time during your run, or your run is over.
- Alcohol consumption is not permitted by racers at any time during the racing event until after their final run of the event.
- Alcohol consumption is not permitted by racers in the top 5 positions in the running order until after the awards ceremony is concluded.
- One driver from each class will be chosen at random during the riders meeting for a mandatory breathalyzer test. If any driver during the race is suspected to be under the influence of alcohol, a mandatory breathalyzer test will be administered. During the awards ceremony, one driver from each class within the top 3 finishers will be chosen at random for a mandatory breathalyzer test.
- Failure to submit to a mandatory breathalyzer test will result in the driver’s immediate disqualification from the event.
Timing, Measurement, and Scoring Regulations
- All runs are counted at the place that your machine comes to rest at the end of your run – reverse at your own risk. Driver’s must stop the machine when time is up or the driver will be disqualified.
- All runs will be measured by official measuring tape/string/instrument, measured from the side of the hole at the point at which it intersects the official scoring device placed across the hole by the pit judge at the designated area determined by 3rd rule in Section 5.
- Runs are scored at the furthest forward point of the front tire that is visible, or furthest point visible on the machine that is used for a mechanical purpose will be used for distance measurement.
- In the event of a tie-on distance, the fastest running time to achieve the furthest distance run in your class will be deemed the winner. You must let the pit official know your run is over in order to stop the clock.
- Run time will start based on when the machine breaks the beams of the laser timers.
- The end of your run will be the point at which either A) the machine breaks the finish line laser beams B) Tell or signal to the pit official that your run is over or C) you come off your machine or a part of your body touches the ground in a manner to support your weight or advance forward progress.
- In the event that two runs tie on both distance AND time, the tied machines will go to a run-off, each getting one additional run, which will be scored on both distance and time. If only one machine can make the re-run, under that machine’s own power, the driver of that machine will be deemed the winner.
- In the event that both machines are broken and unable to make a re-run, the result will be declared a tie, and the points and prize monies will be split between the competitors.
- All runs will be measured and recorded in the official results on both distance and time.
- In the event of a timing and scoring equipment failure, the race in question will be immediately re-run before any other machines enter into the hole.
You DO NOT have to be registered as part of the Southern Bounty Series to race at Mud Nationals. The payouts will remain the same whether you are or are not a Southern Bounty Series racer. Racers racing the series will receive the following points in addition to payouts, if applicable.
1st – 100 points 8th – 65 points
2nd – 95 points 9th – 60 points
3rd – 90 points 10th – 55 points
4th – 85 points 11th – 50 points
5th – 80 points 12th – 45 points
6th – 75 points 13th and lower – 40 points
7th – 70 points
In the event of a tie with championship points, the driver that has covered the most distance during the current racing season will be deemed the winner. In the event that season distances are also tied, the tie will be decided on the lowest cumulative run times throughout the season.
*All rules are final.
**All Southern Bounty Series official’s calls and judgements are final.