Michael McKillop is chasing his second 1500m gold medal.
The reigning champion goes in the T37 final just before 4pm.
Elsewhere on the track, Orla Comerford goes in the T13 100m final at 3pm.
In swimming, Ellen Keane will compete in the SM8 200m IM heats just before 2pm and Ailbhe Kelly also goes in the S8 100m FS heats at 3:23pm.
In Cycling, Katie-George Dunlevy and Eve McCrystal are in action in the Individual Pursuit B qualifier at 2pm.
Catherine Walsh and Fran Meehan are in action in the PT5 women's triathlon at 3:20pm while Damien Vereker and Carrick-on-Suir's Sean Hahessy go in the Individual B Kilo final just after half 3.
