IMRA Leagues for 2018
| League Name | League Description | League Director |
|---|---|---|
| Connaught Championship | ||
| Irish Championship | ||
| Irish Ultra Championships | ||
| Leinster Championship | ||
| Leinster League | ||
| Munster Championship | Tricha Blackburn | |
| Munster Half-Marathon League | Matthew Branch | |
| Munster Long Distance Championship | Robbie Williams | |
| Munster Summer League | Aidan Hogan | |
| Munster Winter/Spring League | Sean Harte | |
| Navigational Challenge | ||
| Southeast League | Cormac MacDonnell | |
| Trail League | ||
| Winter / Spring league |