O'Brien, Jon Class: 2013 Team: Plymouth North   
Men's Track & Field Summary:
All Results
Date Meet Event Prelim/Final Time/Mark
05/16/13 Atlantic Coast League T&F Championship 800m F 2:06.65
05/16/13 Atlantic Coast League T&F Championship 4 x 400m Relay F 3:39.65
05/11/13 MSTCA Boys Invitational 4 x 800m Relay F 8:44
05/04/13 4th Annual Greater New Bedford 800m F 2:05.72
01/26/13 MSTCA Track and Field Invitationals 600m F 1:27.90
01/16/13 Atlantic Coast League Meet #5 600m F 1:31.09
01/16/13 Atlantic Coast League Meet #5 4 x 400m Relay F 3:50.9
01/11/13 44th Dartmouth Relays - High School 600m F 1:29.76
01/11/13 44th Dartmouth Relays - High School 4,000m Distance Medley F 11:31.88
12/29/12 Boston Holiday MSTCA Track & Field Challenge 600m F 1:31.91
12/29/12 Boston Holiday MSTCA Track & Field Challenge 4 x 400m Relay F 3:37.36
12/17/12 Atlantic Coast League Meet #2 600m F 1:33.72
12/17/12 Atlantic Coast League Meet #2 4 x 400m Relay F 3:46.71
12/07/12 Atlantic Coast League Meet #1 2012-2013 600m F 1:35.68
12/07/12 Atlantic Coast League Meet #1 2012-2013 4 x 400m Relay F 3:55.96
05/26/12 MIAA Eastern Mass Division 3 Track & Field Championships 4 x 400m Relay F 3:36.23
05/19/12 South Shore Principals Invitational 400m F 54.87
05/19/12 South Shore Principals Invitational 4 x 400m Relay F 3:35.07
05/05/12 Sunset Track & Field Twilight Invitational 4 x 400m Relay F 3:35.3