The Jackalope Jam is a 6-hour, 12-hour, 24-hour, 48-hour, 72-hour and 100-hour timed event format, where you record the greatest distance possible during your chosen duration while running, walking, hiking, or choosing to compete in our separate ruck divisions. New in 2025 you can also compete as a 2-6 person team in our 24-Hour Relay. Ever