Joven corredora en posición inicial para una carrera de pista al aire libre en verano . - Foto e imágenes de stock

Young sporty woman athlete in sportswear stretches on stadium track, outdoor workout

Motivated young sportswoman ready for starting the race at stadium in the daytime. Sports, healthy lifestyle, motivation concept

Leg exercises performed by an in shape woman while working out on an outdoor track in the summer.

A young girls athletic girlfriend makes her slopes forward. Outdoor fitness at the stadium

High knee exercises performed by a young female athlete while working out on an outdoor track in the summer.

Sports girl starts training on smart watch before the running at the stadium

Shot of sporty young woman dressed in black clothes, stretches hands with fitness gum, wants to have muscles, has good flexibility, poses against grey background. People and motivation concep

Sports girl at the stadium. Beautiful girl doing sports.The girl does the exercises

Very happy young female athlete performing high knees while working out on an outdoor track in the summer.

EUGENE, OR - MAY 1, 2016: Runner approaching the finish line on the track at Hayward Field during the 2016 Eugene Marathon, a Boston qualifying event.

EUGENE, OR - MAY 1, 2016: Runner approaching the finish line on the track at Hayward Field during the 2016 Eugene Marathon, a Boston qualifying event.

EUGENE, OR - MAY 7, 2017: Runner heads down the river path at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runner heads down the river path at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runners cross a bridge over the Willamette River at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Official split point for half marathon and full marathon at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runner Benjamin Mears comes through the tunnel at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runner heads down the river path at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runners cross a bridge over the Willamette River at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

Official split point for half marathon and full marathon at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

Official split point for half marathon and full marathon at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.

EUGENE, OR - MAY 7, 2017: Runners cross a bridge over the Willamette River at mile 10 of the 2017 Eugene Marathon race held on the University of Oregon campus.