Traci Falbo holds the world record for the 48-hour indoor

ultramarathon An ultramarathon is a footrace longer than the traditional marathon distance of . The sport of running ultramarathons is called ultra running or ultra distance running. Various distances, surfaces, and formats are raced competitively, from the ...

. On August 6, 2014, she completed the 2-day event in

Anchorage, Alaska Anchorage, officially the Municipality of Anchorage, is the List of cities in Alaska, most populous city in the U.S. state of Alaska. With a population of 291,247 at the 2020 United States census, 2020 census, it contains nearly 40 percent of ...

, with a distance of 389.61 km.

References

Year of birth missing (living people) Living people American female ultramarathon runners 21st-century American women {{US-ultradistance-athletics-bio-stub