Ricky Stenhouse Jr threw the first punch in an off-track brawl after Kyle Busch took him out of the NASCAR All Star Race.
Max Vertstappen competed in - and won - a virtual 24 hour race while competing in the F1 grand prix weekend at Imola.
Nolan Siegel last gasp effort to qualify for the 108th Indianapolis 500 wound up with him crashing on his second lap.
Three-time Supercars champion Scott McLaughlin claimed pole position for the Indianapolis 500 with Team Penske.
Max Verstappen survived a late surge from the McLaren of Lando Norris to win the Emilia Romagna Grand Prix at the Imola circuit in Italy.
Australian ace Oscar Piastri finished fourth for McLaren after being demoted on the grid.
Australian ace Oscar Piastri qualified second at the Emilia Romagna Grand Prix at Imola,but will not start in the front row after being given a three-place grid penalty for impeding.
Oscar Piastri has been stripped of a front-row starting position for the Emilia-Romagna Grand Prix for blocking the Haas of Kevin Magnussen.
IndyCar Series rookie Nolan Siegel flipped violently during practice for the Indianapolis 500 just a day before qualifying.
Daniel Ricciardo enjoyed his first points of the Formula 1 season with a fourth place in the Miami Grand Prix sprint race but came quickly back to earth a few hours later with a disappointing qualifying effort.
Christian Horner walked hand-in-hand through the Bahrain Grand Prix paddock with wife Geri after he was cleared of inappropriate behaviour by an independent barrister,although a dossier of screenshots have been leaked to media.