After retirement from active racing, he managed Irish teams for a number of events, including World Championships.
[2] Gallahar participated in race organisation, including the International Women's Two-Day in Dublin in the mid-2000s.
[3][4] He trained in the early 1980s for the role of commissaire, the cycling equivalent of referee or umpire, at national level.
[6] He performed commissaire duties for races accredited by the international governing body, the UCI, all over the world.
[9] One of the Dublin Wheelers Cycling Club's annual Open Races was founded,[7] and continues, as a memorial for Gallahar.