Jacques Villeneuve and Ricardo Zonta: Spa 1999
Actually two separate crashes, but placed together because they can't be considered apart.
During qualifying for the Belgian Grand Prix in 1998, Jacques Villeneuve crashed at high speed at the fearsome Eau Rouge corner. The incident was nearly identical to the one shown here, which he produced in qualifying for the 1999 race.
The session was stopped, while Villeneuve hopped out unharmed.
His teammate Ricardo Zonta, not wishing to be outdone, watched a replay of the incident and then crashed in an even more spectacular fashion at the same corner barely five minutes after the session was restarted.
Both men—and thanks to some brilliant pit work by BAR, their cars—were somehow fit to start the race the following day.