
A 100 mile ultra marathon has cut off time of 30 hours. A marathon cut off time on a course is usually 6 hours.

The biggest difference and challenge is time on your feet. There are a few things to consider when moving from marathon to ultra distances. Ultra races are largely done on trail, but some are done on road as well. Ultra distances come in many different distances and terrains.

By definition, an ultra marathon is any distance greater than the 26.2 mile marathon distance. Crossing the finish line of a marathon often leaves distance runners to question, “What’s next?” Many distance runners consider ultra marathon distances after successfully completing the marathon.
