The fourth competition weekend of the 2009–10 ISU Speed Skating World Cup was held in the Olympic Oval, Calgary, Canada, from Friday, 4 December, until Sunday, 6 December 2009.
In the women's team pursuit event, Canada's team, comprised by Kristina Groves, Christine Nesbitt and Brittany Schussler, set a new world record of 2:55.79.
The timeschedule of the event stands below.