Since 1988 the race has gone through various renditions: from 200 miles, to 100 miles, to 350 miles, and then to 1,100 miles. In 2001 all racers start together for the 130 mile Iditasport, the 350 mile Iditasport-Extreme to McGrath, and the 1,100 mile Iditasport-Impossible to Nome. Categories include: bike, ski and foot.

As of 2004, the Iditasport event is no more. We keep this page for historical interest. There are other winter ultra endurance races, such as Alaska Ultra Sport, and the Yukon Arctic Ultra.

Starting line of the Iditasport at Big Lake, Alaska, February.

Snowmachine tracks criss-cross sections of the Iditarod Trail (here, still close to 'civilization) where it crosses frozen bogs and lakes; merging where the trail traverses steep glacial hill.

Rolling down the trail. Fifteen pounds of gear is required for this race, including sleeping bag and other items. In 2001 rules only require that each racer carry sufficient gear for the mandatory first-night campout, some 25 miles up the trail. All that gear must then be carried for the remainder of the race.

Frosty the snowman. Moisture transfer is a serious problem the colder the temperatures: here about -25 degrees F.

Quick-change fashion show on the Iditarod Trail. Night time temperatures can get severely cold, and hands, feet and face are the typically difficult parts to keep warm and functioning.

Gail nears the finishline on Big Lake at 2:00 a.m., where the temperatures are as low as -30 F. Temperature this low is unusual, and it makes all-day hard aerobics additionally challenging.

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