Both are in the pool just after 4pm
Daniel Wiffen is looking to add another world medal to his collection this afternoon.
The Irishman goes in the final of the 1500m Freestyle at the World Aquatic Championships in Doha just before a quarter past 4.
Before that, Mona McSharry is in her third final of the week as she swims in the 50m Breaststroke decider at 4:09pm.