After staking himself out to a lead of almost a minute with only one penalty in the Sprint, Perras struggled at the range in the Pursuit with five penalties but was fast on the tracks to hold off Nathan Smith.
Crawford was in control of the Pursuit from start to finish, roller skiing faster than her competitors and with only three penalties.
In the Junior Men’s category Macx Davies also won both the Sprint and the Pursuit.
Emma Lodge and Sarah Beaudry traded places on the Junior Women’s podium, with Lodge winning the Sprint and Beaudry the Pursuit.
Carson Mackenzie also had a great event, winning the Sprint and Pursuit competitions in the Senior Boys category.