Poland’s Karol Pasiewicz wasn’t quite in a class of his own this weekend at Canadian Tire Motorsport Park, but this morning he completed an impressive weekend sweep of all three USF Juniors Presented by Continental Tire races for Olivia Racing.

The battle for this year’s USF Juniors Presented by Continental Tire championship has intensified following this weekend’s Elite Engines Grand Prix of Road America tripleheader. Liam Loiacono, from Sunshine Coast, Queensland, Australia, this morning completed a clean sweep for Jay Howard Driver Development, although Brazilian Leonardo Escorpioni, from Windermere, Fla.,...