Larissa Mikkelsen (Thunder Bay, ON) needed a tiebreaker to advance to the playoffs, Mikkelsen finished 1-12 in the 0 team TBayTel Major League of Curling qualifying round, held October 11 - January 27, 2018 in , . In their opening game, Mikkelsen lost 13-1 to Krista McCarville (Thunder Bay, ON), droppimg another game, 5-4 to Allen Macsemchuk (Thunder Bay, ON). Mikkelsen lost 5-4 to Colin Koivula (Thunder Bay, ON). Mikkelsen lost 8-3 to Mike McCarville (Thunder Bay, ON). Mikkelsen lost 6-5 to Ben Mikkelsen (Thunder Bay, ON) where Mikkelsen responded with a 7-5 win over Hailey Beaudry (Thunder Bay, ON). Mikkelsen went on to lose 6-4 against Mike Pozihun (Thunder Bay, ON). Mikkelsen lost 9-1 to Al Hackner (Thunder Bay, ON). Mikkelsen lost 7-1 to Gary Weiss (Thunder Bay, ON). Mikkelsen lost 9-3 to Macsemchuk. Mikkelsen lost 6-1 to Beaudry. Mikkelsen lost 8-1 to Koivula. Mikkelsen lost 7-0 to McCarville in their final qualifying round match.
 
. For week 25 of the event schedule, Mikkelsen did not improve upon their best events, dropping from 325th to 326th place overall on the World Ranking Standings with 0.000 total points. Mikkelsen ranks 309th overall on the Year-to-Date rankings with 0.000 points earned so far this season.