The clock is ticking ... there are just 24 hours left to win two free tickets to UFC 100 from the Mandalay Bay Events Center in Las Vegas, Nevada, on July 11.

Ringside seats are now reportedly fetching upward of $40,000 for the biggest show of the year, which features UFC Heavyweight Champion Brock Lesnar versus the division’s interim title keeper, Frank Mir, in the main event of the evening to determine an undisputed champion once and for all.

This is your chance to watch it all go down LIVE and IN PERSON for FREE courtesy of our friends at Heavy.com. Winning free tickets to a UFC event has never been easier -- there are no test products to buy and no subscription to GRIT.

All you have to do is head over to Heavy.com/UFC100.html or click here and enter your email address. That’s it. Just a couple of clicks plus your email and BAM! …. you’re in the running for a trip to "Sin City."

The sweepstakes ends July 5, 2009 at 11:59:59 pm ET, so hurry over to Heavy.com/UFC100.html to enter for your chance to win two free tickets to UFC 100. Or just click here to enter now.

Enter now before it's too late!