WATCH LIVE: Track and Field morning session — Eaton, Farah, Lagat, Semenya

Photo by Michael Steele/Getty Images

Ashton Eaton is among three Americans hoping to thrive in the decathlon on Wednesday morning in Rio.

WATCH LIVE: Morning session | Evening

Also, USA’s Bernard Lagat faces Round 1 of men’s 5000m running, with Great Britain’s Mo Farah amongst his competition. And Caster Semenya takes her bows, as well.

8:30 a.m. EDT — Men’s Decathlon

USA: Jeremy Taiwo, Zach Ziemek, Ashton Eaton

CAN: Damian Warner

GER: Arthur Abele

8:40 a.m. EDT — Men’s hammer throw

USA: Kibwe Johnson, Rudy Winkler, Conor McCullough

POL: Pawel Fajdek

9:05 a.m. EDT — Men’s 5000m Round 1

USA: Bernard Lagat, Hassan Mead

GRB: Mo Farah

ETH: Muktar Edris

9:55 a.m. EDT — Women’s 800m Round 1

USA: Ajee Wilson, Kate Grace, Chrishuna Williams

RSA: Caster Semenya

CAN: Melissa Bishop

10:55 a.m. EDT — Men’s 3000m Steeplechase Final

USA: Hillary Bor, Donald Cabral, Evan Jager