Guest Amy Davis concentrates during an interval training class at the Biggest Loser Resort in Ivins, Utah September 6, 2010. Guests at the resort affiliated with the popular reality television show work out in an aerobics room, a gym and a swimming pool for 6 to 7 hours each day. Picture taken September 6, 2010
 
 Guest Debra Winograd works out in the pool during a H2O interval class at the Biggest Loser Resort in Ivins, Utah September 7, 2010. Winograd, who has lost 100 pounds twice before and seen it come back, hopes to lose 172 pounds during the 32 weeks she has scheduled at The Biggest Loser. The resort is affiliated with the popular reality television show. Picture taken September 7, 2010
Guest Greg Dybisz walks backwards on a treadmill during a cardio interval class at the Biggest Loser Resort in Ivins, Utah September 7, 2010.
Guests work out before dawn at the Biggest Loser Resort in Ivins, Utah September 6, 2010.
Guests Richard Walker (L) and Glen Schneider are encouraged by trainer Tiffany Gust (C) in the "mountain" fitness class at the Biggest Loser Resort in Ivins, Utah September 6, 2010.
Guest Stacey Scott (L) works out in a core training class with lead trainer Sharon Read at the Biggest Loser Resort in Ivins, Utah September 6, 2010.