Barnyard Deep Mud Rules

Entry Fees and Payback

• Classes 1–4: $15.00
• Classes 5–8: $30.00
• 100% payback

Class 1 — 4- and 6-Cylinder Vehicles

1. Any size D.O.T. tire is allowed.
2. Axles must be 1-ton or smaller.
3. Staggered tires are allowed within 1 inch.
4. Nitrous and blowers are not allowed.
5. Turbos are prohibited unless original equipment manufacturer equipment.
6. Cut tires are not allowed.
7. The skimming rule applies.

Class 2 — 8-Cylinder Vehicles

1. D.O.T. tires measuring 34 inches or smaller are allowed.
2. Only 1-ton or smaller axles are allowed.
3. Staggered tires are allowed within 1 inch.
4. Nitrous and blowers are not allowed.
5. Turbos are prohibited unless original equipment manufacturer equipment.
6. Cut tires are not allowed.
7. The skimming rule applies.

Class 3

1. D.O.T. tires up to 38.5 inches are allowed.
2. Axles must be 1-ton or smaller.
3. Nitrous and blowers are not allowed.
4. Turbos are prohibited unless original equipment manufacturer equipment.
5. Staggered tires are allowed within 1 inch.
6. Cut tires are not allowed.
7. The skimming rule applies.

Class 4

1. D.O.T. tires up to 44 inches are allowed.
2. Axles must be 1-ton or smaller.
3. Nitrous and blowers are not allowed.
4. Turbos are prohibited unless original equipment manufacturer equipment.
5. Staggered tires are allowed within 1 inch.
6. Cut tires are not allowed.
7. The skimming rule applies.

Class 5 — Skimmers Unlimited

The skimming rule does not apply.

Class 6

1. Axles must be 1-ton or smaller.
2. Any size tractor or military tire is allowed.
3. D.O.T. tires are not allowed.
4. Agricultural equipment is not allowed.
5. The skimming rule does not apply.

Class 7

1. Axles must be 2.5-ton or larger.
2. Any size tractor or military tire is allowed.
3. D.O.T. tires are not allowed.
4. Agricultural equipment is not allowed.
5. The skimming rule does not apply.

Class 8 — Bog Class

1. Any size axle is allowed.
2. Any size tractor or military tire is allowed.
3. D.O.T. tires are not allowed.
4. The skimming rule applies. Vehicles must run along the bottom of the pit from start to finish.

Measurement and Official Decisions

Staggered tires will be measured according to the larger tire. Barnyard track officials have final authority over all vehicles.