17th Desert Solstice Track Invitational - 100mi Split
17th Desert Solstice Track Invitational - 100mi Split is a 161 km ultramarathon in Phoenix, AZ, United States, taking place on Dec 19 – Dec 20, 2026.
- Date
- Dec 19 – Dec 20, 2026
- Distance
- 161 km
- Location
- Phoenix, AZ, United States
- Format
- Fixed distance