There are details of prices and Covid details on the Leicester speedway website. The capacity has been confirmed as 50% and the spectator areas are sectioned off. Masks are not mandatory except in toilets or when purchasing food!
Whilst being sympathetic towards the reason you were speeding, the time that you were speeding is probably more dangerous because when there is little or no traffic about, there is more likely a surprise in store such as a driver doing similar.
For a while two years ago, I used public transport to get to matches but it was impossible to get home again on the bus. My wife had to pick me up from the stadium!
a totally independant body to run the sport will not work as they do not know much about the sport. A mix of business, Referees, Supporters and Team owners and riders should be considered