The deadline for Pro, AA-level riders to register for Red Bull Last Man Standing is Saturday, September 9. After this date, registration spots will open up for Pro, A-level riders. The registration fee is $100, of which 100% will go back into the prize purse. The first 300 riders to register will be able to qualify for Last Man Standing on Friday, December 1 at the event site in north Texas. The 100 fastest qualifiers will advance to the Last Man Standing main event on Saturday, December 2. To register, visit www.redbulllastmanstanding.com.