[5] Primarily a miler early on, O’Mara set a personal best in 1985 for the 1500m, finishing second at the Ivo Van Dame Invitational with a time of 3:34.02.
He finished 8th at the European Championship in Stuttgart in the 1500m race won by Steve Cram ahead of Sebastian Coe.
[7] Also that summer, he was a member of the Irish quartet of Coghlan, O’Sullivan and Flynn who broke the World 4 x 1 Mile record, becoming the first team to break 16 minutes, setting a new mark of 15:49.08.
That same year, he edged out close friend Marcus O’Sullivan to win the US Indoor Championships at Madison Square Garden.
Leading at the bell, he easily pulled away from Hammou Boutayeb in a championship record of 7:41.14, which was the third fastest time ever run.
During that period, Alltel changed its logo[14] and rebranded over 800 retail locations and 3,000 agent locations, launched a ground breaking product called My Circle[15] and implemented a national, award-winning advertising campaign featuring the rival company's sales guys.
[17] O’Mara was named CEO of Allied Wireless, a subsidiary of Atlantic Tele Network (ATW) in September 2009.
[20] O’Mara built a team of largely former Alltel colleagues, who successfully completed major systems, network, and customer support conversions.
[21] During his tenure as CEO, O’Mara was a member of the executive committee of the board of CTIA (the wireless trade association).