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NORTH AMERICAN RACEHORSE

Rio Oso — Profile, Stats, Next Race & Odds

Full Rio Oso racing profile · with pedigree (Long River × Bear Moon) · 1 upcoming race at US tracks. Live morning-line odds, jockey/trainer connections, surface and distance preference — updated daily from official US racing data.

1 upcoming start By Long River

★ Pedigree & connections

SIRE (FATHER)

Long River

DAM (MOTHER)

Bear Moon

by Gators N Bears

TRAINER

Kelly Deiter

LAST JOCKEY

Villasmil E

JOCKEY CLUB REG.

22010944

⏱ Upcoming — Wednesday 15 July 2026

R6

Delaware Park · R6

1 Mile · Turf · MAIDEN CLAIMING · $20,000 purse · post #4 · 123 lb · jockey Villasmil E · Lasix