Question: Pherenikos is celebrated in epinikions, what are they?

Context paragraphs:
Pherenikos: Pherenikos (Greek: Φερένικος; Latin: Pherenicus) was an Ancient Greek chestnut racehorse victorious at the Olympic and Pythian Games in the 470s BC.  Pherenikos, whose name means "victory-bearer", was "the most famous racehorse in antiquity".  Owned by Hieron I, tyrant of Syracuse, Pherenikos is celebrated in the victory odes of both Pindar and Bacchylides.

Epinikion: The epinikion or epinicion (plural "epinikia" or "epinicia", Greek ἐπινίκιον , from "epi-", "on," + "nikê", "victory") is a genre of occasional poetry also known in English as a victory ode.  In ancient Greece, the "epinikion" most often took the form of a choral lyric, commissioned for and performed at the celebration of an athletic victory in the Panhellenic Games and sometimes in honor of a victory in war.  Major poets in the genre are Simonides, Bacchylides, and Pindar.

Supporting paragraphs: Pherenikos Epinikion
Answer: victory odes