Chamney took a redshirt season in 2005 for the Irish

Took a year off from his studies to train full time for the European Under-23 Championships in Erfurt, Germany ... took a very strong fifth in the 800 meters at the meet, representing his native Ireland ... made his Irish Senior National team debut at the European Cup in Leiria, Portugal, again posting a fifth-place finish ... won silver in the 800 meters at the Irish National Senior Track and Field Championships in Dublin, Ireland ... ran unattached at Notre Dame's Alex Wilson Invitational, establishing an 800-meter personal best of 1:48.73 in a fourth-place effort ... opened the outdoor season at the Len Paddock Invitational with an outdoor personal-best 800-meter performance of 1:48.92 ... further lowered that personal best at the IAAF Grand Prix meet in Seville, Spain, where he won the B 800-meter heat in 1:48.84 ... took the 800-meter title at the Irish Under-23 Championships.