Dorene Internicola
Reuters
For most people running one marathon is a daunting prospect but research scientist Leslie Miller belongs to group of runners who have completed 100 or more marathons, many of them just for the fun of it.
“It’s my hobby,” said Miller, from Seattle, Washington who has been running for about 10 years and averages one marathon a month. “I just get out and run almost every day.”
Read More: Marathoners who go the distance 100 times or more