As well as being a founder-member he also became a regular member of the senior team and won back-to-back county football championship medals in 1898 and 1899.
Keane made his inter-county debut during the 1898 championship when he was selected for the Dublin senior team.
Over the course of the next five seasons, he won three All-Ireland medals, beginning with back-to-back triumphs in 1898 and 1899, followed by a third and final championships in 1902.
As a track athlete, Keane won the Irish 120 yards hurdles in 1900 before becoming one of the most effective sports administrators of the early part of the 20th century.
As NACA president he was appointed to the board of the International Amateur Athletics Federation (IAAF).