The first in a series profiling athletes with Arkansas ties at the Olympic Games in Rio de Janeiro.
FAYETTEVILLE -- Chrishuna Williams worked as a substitute teacher this year as she trained for a shot to make the U.S. Olympic track and field team.
Williams, who graduated from Arkansas in 2015 with a degree in human development and life science, needed the teaching job because she didn't have a sponsorship deal with a shoe and apparel company.
"It definitely wasn't easy," Williams said. "I'd be in bed by 8 or 9 o'clock every night because I was so tired.