The Lightweight Double Sculls pairings of Sinead Lynch and Claire Lambe and the O'Donovan brothers – Paul and Gary, will enter the water later today for their finals.
Later in the evening, Alex Wright will line up for the final of the men's 20km walk which starts at half past 6.
In athletics, Mark English will be in heat six of the men's 800m today while in the women's 10,000m, Fionnuala McCormack will be running in the final at ten past three.
The second round of the men's golf tournament is scheduled to start at 11.30 am.
Padraig Harrington carded a 1-under par 70 yesterday.
He's expected to tee off after half one, while Seamus Power goes into day two on level par after an opening round of 71.
Judy Reynolds will be in action just after 2pm when she becomes the first Irish dressage rider to qualify for an Olympic Grand Prix Special in over 20 years.
Reynolds scored a total of 74.700 points during her test yesterday, to secure her spot in the Grand Prix Special today.
Scott Evans faces a German opponent in the men's Badminton preliminaries.
The pair are in Group K and will face off in an afternoon game at approximately 3.20pm
And finally, Annalise Murphy will be looking to retain her top spot in the Women's Laser Radial today.
She's got races seven and eight coming up after 5 this evening with Finn Lynch following shortly after in the men's laser.
