4° Macaxeira Backyard Ultra
4° Macaxeira Backyard Ultra is a 25-hour timed race in Porto Velho, Rondonia, Brazil, taking place on Feb 20 – Feb 23, 2027.
- Date
- Feb 20 – Feb 23, 2027
- Duration
- 25 h
- Location
- Porto Velho, Rondonia, Brazil
- Format
- Timed race