5° Tierra de Osos - 46km
5° Tierra de Osos - 46km is listed for January 17, 2027 in Ecuador. Listed distances: ultra - 46km. Confirm the date, registration and travel details with the official organizer before you book.
About this race
DUV source-backed ultramarathon 46km; ultra - 46km; location Mariano Acosta; DUV status ; IAU label .
Key facts
- Date
- January 17, 2027
- Location
- Ecuador
- Events
- ultra - 46km
- Surface
- Mixed
- Official source
- Registration page & official site
- Listing status
- Verified · updated May 22, 2026
Before you register
- 1Confirm the race-day schedule
Verify the January 17, 2027 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.
- 2Pin the exact start area
Use Ecuador as the planning region, then confirm the precise start, finish, parking and transport with the organizer.
- 3Pick your distance
Listed options are ultra - 46km. Check the source for current per-distance availability and limits.
- 4Review entry terms
Read entry rules, refund terms, participant limits and transfer rules before you pay.
Runner reviews
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