As a bantam-aged curler, Nicol skipped her Unionville Curling Club rink to a provincial Bantam championship in 2002. In 2004, Nicol represented the Bayview Country Club when her team won the Ontario Winter Games championship. Nicol wrapped up her junior career by winning the 2007 provincial junior championship. Her rink of Laura Hickey, Karen Sagle and Hilary McDermott from the Kitchener-Waterloo Granite Club would then go on to represent Ontario at the 2007 Canadian Junior Curling Championships. At the juniors, Nicol led Ontario to a 7-5 record, which was not good enough to make the playoffs. Nicol had a successful university curling career, playing for Wilfrid Laurier University. Nicol would win two national championshipsfor Laurier, in 2008 and 2009. Nicol represented Canada at the 2009 Winter Universiade, where she won a silver medal for Canada.
After juniors, Nicol joined the Kirsten Wall rink in 2010 as her third. The team would play in Nicol's lone Grand Slam even to date, the 2010 Sobeys Slam, in which they were eliminated after posting a 3-3 record. In 2012 she joined the Jill Mouzar rink, playing lead. The team would play in Nicol's first provincial championship, at the 2013 Ontario Scotties Tournament of Hearts where they finished with a 3-6 record. When Mouzar (now Brothers) moved back to her native Nova Scotia in 2013, Nicol moved to skipping the team. Nicol would lead her team to an appearance at the 2014 Ontario Scotties Tournament of Hearts.