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.
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.