Chelsea Lin Jarvis[2] (née Duncan; born March 11, 1992) is a Canadian curler from Whitehorse, Yukon.

At the Hearts in Montreal, Quebec, they finished last, however they were able to defeat Prince Edward Island's Kim Dolan and Saskatchewan's Stefanie Lawton.

[10] The following year, Yukon and Northwest Territories had separate entries to the national championship however due to a format change and because they placed last the previous year, they were put into a pre-qualifying tournament against Northern Ontario and Northwest Territories to determine the final spot in the main draw.

[13][14] At the 2017 Scotties Tournament of Hearts, they managed to win their game against Nunavut however lost to both the Territories and New Brunswick and were once again eliminated.

After the season, Koltun moved to the Northwest Territories to join the Kerry Galusha rink and the team disbanded.

[15] Chelsea and her sister Jenna Duncan formed a new rink for the 2017–18 season with Kara Price, Jody Smallwood and Loralee Johnstone.

They played in one tour event during the season, the King Cash Spiel in Maple Ridge, British Columbia.