
Runner
Athletic Context
Use 'runner' to describe someone who runs competitively or for exercise.
Every morning you can see many runners in the park.
Not a Winner
'Runner' suggests the action of running, without implying success or victory in a race.
Despite being a consistent runner, he has not won any races.
Physical Fitness
'Runner' can imply someone is physically fit, as running is a common form of exercise.
As a runner, she enjoys great health and stamina.