Ryan Sutter's fuel plan could make or break his performance at REV3, which at 70.3 miles will be his longest race of the season. His goal: Finishing in less than five hours.

Watch the 2012 Ironman Asia-Pacific Championship in Melbourne, Australia, LIVE starting on March 24 at 3:45 p.m. ET.
Oct. 8, 2011: Watch the 2011 Ironman World Championship in Kona, Hawaii, including every finish up until the cutoff time.
Watch the entirety of the 2011 Ironman race in Las Vegas LIVE on Sept. 11 beginning at 9 a.m. ET.