The 4 Hour Endurance Race will consist of three classes: True Endurance, Pony Express, and Titanium Butt.

  • True Endurance allows for up to four riders but they must use only one motorcycle.
  • Pony Express teams can consist of up to 4 members and each member can ride their own motorcycle.  One transponder will be used as a baton between up to (4) racers.
  • Titanium Butt is for solo riders to compete alone in the event and must use only one motorcycle.

Entry & Registration

  • All 4 Hour Endurance competitors will be required to enter online as is normally done for any other race weekend. Competitors that normally run any of the 5 endurance classes will need to still register for those classes in order to receive points. 
  • Endurance teams are also required to complete a team registration form and submit it to the MRA Secretary, Jen Grosse, prior to competition at
  • Team Captains
    • If you are a Team Captain for the 4 Hour Endurance event, please email MRA Secretary, Jen Grosse to get your team profile set up at and receive required entry forms that need to be completed
    • Please note we have functionality in RaceWurx to build up your team.
    • Once we activate your Team-Profile then the Team Captain can go into RaceWurx and add in team members, sponsors, etc. to that profile.
    • Team Profiles are controlled by the Team Captains.
  • All Titanium Butt competitors must contact MRA Secretary, Jen Grosse, at to set your profile up.  

The MRA reserves the right to allow or disallow any team to compete in the endurance.

Cost & licensing

  • Cost per rider for the event is $140 if you are only entering the 4 hour endurance.
  • If you are racing in the 4 hour, in addition to sprint races, there will be additional $40 dollar surcharge.
  • Riders having a license from another recognized racing organization are welcome to race with us under full license reciprocity.
  • We will require you fill out our membership application and provide a copy of your race license.


  • All motorcycles must pass MRA technical inspection.
  • Engine and frame configuration is unlimited and there are no displacement classes.
  • The 4 hour rules and guidelines can be found in section 15 of the Rulebook.
  • Please take some time to read them paying particular attention to pit operation rules.


  • There will be a cash purse and trophies. Cash awards are being finalized so check back here later.

Saturday Schedule

  • 7:30AM Mandatory Riders Meeting
  • 7:45AM Practice
    • Group D & C/Production Cup
    • Group B
    • Group A
    • Group D & C/Production Cup
    • Group B
    • Group A
  • 8:45AM Registration Closes
    • Group D/Production Cup Qualifying
    • Group C
    • Group B
    • Group A
  • 10:00AM Open Ceremonies
    • Novice GTU (6 laps)
    • Production 250/400/500 (5 laps)
    • Formula 40GTU/GTO (6 laps)
    • 4 Hour Endurance Qualifying (20 minutes)
  • Lunch/ 4 Hour Endurance Riders Meeting (45 minutes)
    • Middleweight Supersport (6 laps)
    • Lightweight Grand Prix (6 laps)
    • Heavyweight Supersport (6 laps)
    • Novice GTO (6 laps)
    • Open Supersport (6 laps)
  • Break/4 Hour Endurance Set Up
    • 4 Hour Endurance Race