Invitational Rules

• All batteries, motors, and wheels must comply with IFMAR rules.
• 2WD weight limit: 1499g
• 4WD weight limit: 1613g
• Chassis layout not required to fit a full-size battery.
• Battery voltage not to exceed 8.40v. Subject to random inspection.
• IFMAR rules govern all other technical specifications.
• All races are 5 minutes in length.
• Each driver may only tech and race one car per heat/round. No substitute vehicles.
• A broken vehicle may not be repaired during its race.
• Black flags and driving penalties will be given at referee's discretion.
• Each vehicle must pass post tech before heat results are official.
• Only Invitational drivers (or approved substitute) will turn marshal Invitational races.

Tire & Foam rules

Open Rules

• All batteries, motors and wheels must comply to ROAR rules.
• 2WD weight limit: 1499g.
• 4WD weight limit: 1613g.
• Battery voltage not to exceed 8.40v. Subject to random inspection.
• ROAR rules govern all other technical specifications.
• All heat races are 5 minutes in length.
• All main events are 10 minutes in length.
• Each vehicle must pass post tech before heat results are official.
• Chassis layout not required to fit a full-size battery.
• Each driver may only tech and race one car per heat/round. No substitute vehicles.
• A broken vehicle may not be repaired during its race.
• Black flags and driving penalties will be given at referee’s discretion.

Tire & Foam rules