Jason Smyth begins his quest for a third 100-metre gold medal, when he goes in the T-13 heats at around 11.20 tonight, Irish time.
Elsewhere on the track, Greta Streimikyte goes in the heats of the T-13 fifteen-hundred metres.
First into action is swimmer Ailbhe Kelly, who competes in the heats of the S8 400-metre freestyle.
James Scully is also in action in the pool today, while Seán Baldwin takes part in the qualifiers of shooting's R-1 10-metre rifle.
Damien Vereker and Sean Hahessy compete in cycling's Individual B pursuit
Rena McCarron Rooney is in table tennis qualifier action.
And at 6, Irish time, the men's football side face Ukraine.
