All drivers may participate in two 90 minutes practice sessions at each Grand Prix on Friday (Thursday at Monaco) and one-hour practice session on Saturday morning and qualifying session on Saturday afternoon.
While individual practice sessions are not compulsory, drivers must take part in at least one practice session to be able to participate in the race.
Qualifying is split into three segments: Q1, Q2 and Q3.
Any driver whose best Q1 lap time exceeds 107 % of the fastest time set during that session fails to qualify and may only race at the stewards’ discretion
- 18 minutes
- 6 drivers eliminated, 16 advance to Q2
- 15 minutes
- 6 drivers eliminated, 10 advance to Q3
- 12 minutes
- fastest driver takes the pole position
Drivers participating in Q3 must start the dry race on set of tyres on which he set his best Q2 time.
If a driver impedes another driver during qualifying, his times may be deleted or he may get a grid penalty for the race.
FIA F1 2017. sporting regulations can be downloaded here.