https://www.steveenglish.com/2020/11/23/dates-2021-a-c-u-f-s-r-a-british-f2-sidecar-championship-incorporating-the-british-f2-cup/
Dates : 2021 A.C.U. / F.S.R.A. British F2 Sidecar Championship Incorporating the British F2 Cup