by ethersfam April 8, 2009
by Spike Kentucky January 28, 2009
by Danielle Jones June 29, 2004
by YourGuyJoe November 29, 2020
A run that is particularly fun. It can be an enjoyable path to run on or a run that really challenges you. Runners in the San Diego area and particularly ones at San Dieguito Academy use this term to describes running routes.
Brendon: Hey guys, lets run ten miles today!
Everyone: No way. Let's do a frun. How about a two mile loop to the beach that's a frun.
Everyone: No way. Let's do a frun. How about a two mile loop to the beach that's a frun.
by IchiNiSanShi November 1, 2009
by 35u3649325 April 29, 2012