Salt and Sulfur 420
Salt Lake City, United States • 5 Aug 2026
Salt and Sulfur 420
Salt and Sulfur 420 is an ultradistance point to point run of 420 miles that begins in Salt Lake City and finishes in West Yellowstone. The listed start location is 1250 Atherton Dr, Salt Lake City, UT. The event is crewed.
The course is primarily paved road with about 50 miles on dirt surfaces. The route is intended to be covered over several days. Event materials emphasize a strong mental component, noting changes in mental state after roughly three days and further shifts after about five days on the route.
The event is framed around adventure, connection to nature, and personal growth. All proceeds from the event will be donated to the Women’s Center in Salt Lake City. Registration for this edition closed on March 1, 2026.
The description notes the run is selective and not intended for everyone; entry is subject to acceptance. The format and distance place emphasis on endurance and sustained self management rather than a single day performance. Visit the organization's website for the most recent information.