16th New Years One Day 100 Mi Run
16th New Years One Day 100 Mi Run is a 161 km ultramarathon in San Jose, CA, United States, taking place on Dec 31, 2026 – Jan 1, 2027.
- Date
- Dec 31, 2026 – Jan 1, 2027
- Distance
- 161 km
- Location
- San Jose, CA, United States
- Format
- Fixed distance