Here are links to some of the 2021 schedules that have been published:
Cars on Ice has there Schedule published, check their website for current updates: Cars On Ice – Ashcroft BC Ice Racing Series
SCCBC’s schedule has been finalized: Schedule | SCCBC.net
VRCBC has a date for the 2021 BCHMR, check this link for updates: https://www.bchmr.ca/.
Check the following link for information on the Knox Mountain Hillclimb: Home | Leavitt Machinery Knox Mountain Hill Climb (knoxmtnhillclimb.ca).
Some events may get cancelled or changed depending on the COVID restrictions at the time, and the viability of running the event.