Margaret Groos

Margaret Keyes Groos (born September 21, 1959) is a retired long-distance runner from the United States.

Groos was born and raised in Nashville, Tennessee, where she graduated from Harpeth Hall School in 1977.

As a senior, she set a state record in the 1600 meters (4:45.44) that wasn't broken for 40 years.

She twice won the Pittsburgh Marathon, including in 1988, when she ran her personal best and the course record for females (2:29:50).

[6] On February 20, 1981, at Blacksburg VA Groos set a world indoor record for 5000 meters.