Jonathan J. Marcus
@jmarpdx
Helping Runners & Coaches since 2006. Tweets on Running Science, Art of Coaching, Training Methods + Books
ID: 157506261
https://hpw.news/RunningScholars 20-06-2010 01:29:01
20,20K Tweet
12,12K Followers
30 Following
@jmarpdx
Helping Runners & Coaches since 2006. Tweets on Running Science, Art of Coaching, Training Methods + Books
ID: 157506261
https://hpw.news/RunningScholars 20-06-2010 01:29:01
20,20K Tweet
12,12K Followers
30 Following
