The open mayoral contest in Peterborough, Ontario, stems from incumbent Jeff Leal’s August 20, 2026 announcement that he would not seek re-election, leaving a seven-candidate field finalized after nominations closed August 21. With no incumbent and limited public polling, traders assign comparable probabilities to Keith Riel, Neil Morton, Michael Eamon, and Rebecca Schillemat—reflecting their respective profiles as a long-serving councillor, local entrepreneur, college principal, and former home-builders executive—while assigning lower shares to Rob Hailman, Brian Lumsden, and Jacob Méthot. The absence of established frontrunners or major differentiating events since the nomination deadline has kept the race competitive. Upcoming candidate forums, debates, and local issue developments through October 26 could shift consensus as voters assess platforms on housing, transit, and economic growth.