If you were thinking about signing up for the 100th Loudon Classic, stop reading this and go sign up.

Within the first 15 minutes of registration opening at 12:00 p.m. Eastern Time today, 44 of the 48 available slots have been taken, and NEMRR Executive Director John Grush tells RoadracingWorld.com he expects to sell out soon.

Once the first 48 entries are filled, a waiting list will be created.

The preliminary entry list will be announced later this week, said Grush.

The 100th Loudon Classic features a $250,000 total cash purse with $55,000 going to the race winner and cash payouts down to 30th place, making it the richest motorcycle road race in U.S. history.

Plans are also underway to televise the race.

The 100th Loudon Classic race is scheduled June 16-18 at New Hampshire Motor Speedway, in Loudon, New Hampshire.

To register for the race, go to www.MotorsportReg.com.

To learn more about the 100th Loudon Classic, go to www.nemrr.com, call (603) 738-2190, or email [email protected].

Sponsors interested in becoming part of the event should email Grush at [email protected].