useless trivia: What Word Means: Of, Containing, Or Similar To Hash - Clever?

Questions

what is the longest-lasting, non-motorised sporting event?

red iron oxide is more commonly known as what?

which famous product was originally marketed as a brain tonic and intellectual beverage?

what film was harrison ford almost fired from for eating too many doughnuts?

the air canada silver broom is won in which sport?