Hurdler (noun)

1. A person who competes in hurdle races.
2. A person who jumps over hurdles as part of a race or competition.

Origin:

Late 19th century: from hurdle + -er.

Examples:

1. She was a talented hurdler and had been training for months.
2. He was a world-class hurdler and had won several medals.
3. The track and field team had a strong group of hurdlers.
4. Hurdlers must have good coordination and speed to clear the hurdles.
5. The hurdles are set at specific heights and distances for each event.