F1 Glossary

A strategy where a driver pits earlier than a rival to gain track position. Fresh tyres allow faster lap times, which can allow the pitting driver to emerge ahead when the rival eventually stops.

The opposite of an undercut. A driver stays out longer than a rival, aiming to use the extra track time to build a gap large enough to emerge ahead after their own stop.

A race strategy involving a single pit stop, using two sets of tyres over the full race distance. Generally favoured at circuits with low tyre degradation.

A race strategy involving two pit stops and three tyre compounds. Often used at circuits with high tyre degradation or after a safety car bunches the field.

A pit stop made without losing track position, typically triggered by a safety car or virtual safety car that closes the gap to cars behind.

The period of racing between two pit stops, or from the start of the race to the first stop, or from the final stop to the chequered flag.

The range of laps during which a pit stop is tactically viable — early enough to benefit from tyre performance, late enough to reach the end of the race.

When a team pits both of their drivers in the same lap, one after the other in the same pit bay. This can cause delays as the second driver waits for the first to clear.

The optimal lap range for a pit stop based on tyre life, race position, and competitor strategy. Teams aim to stop within this window for the best race outcome.

The physical position of a car on the circuit relative to competitors. Circuits with limited overtaking opportunities make track position particularly valuable.

A reactive pit stop made to match a rival's strategy, designed to prevent losing track position rather than gain an advantage.

A deliberate choice to run a different strategy from the majority of the field, accepting short-term disadvantage in exchange for a potential gain later in the race.

The fastest but least durable of the three dry compounds. Provides maximum grip for short bursts but degrades quickly, typically used in qualifying and short stints.

The middle compound, balancing pace and durability. Often the most versatile race tyre, used across a wide range of strategies.

The most durable dry compound, sacrificing outright pace for longevity. Used for longer stints at high-degradation circuits.

A wet-weather tyre for damp conditions that are too wet for slicks but not wet enough for full wets. Works best when the circuit is drying.

Designed for heavy rain. Has deep grooves to displace large volumes of water and prevent aquaplaning. Not fast in dry conditions.

The loss of tyre performance over a stint. High degradation means tyres lose pace quickly, forcing earlier pit stops. Affected by track temperature, driving style, and circuit characteristics.

The sudden and severe drop in tyre performance once the rubber degrades past a critical threshold. A driver approaching the cliff will lose significant lap time very quickly.

A temporary surface condition where small pieces of rubber break off and re-attach to the tyre, reducing grip. Usually self-cleaning if the tyre is pushed hard enough.

Overheating damage to the tyre surface causing bubbles to form. More severe than graining and can cause rapid performance loss or tyre failure.

The process of bringing tyres up to their optimal operating temperature, usually by weaving, heavy braking, and acceleration. Cold tyres provide significantly less grip.

The specific sets of tyres each driver is assigned for a race weekend. Pirelli selects three compounds per event from their range.

Tyres that have already been driven on during practice or qualifying. Teams may elect to start races on used rubber if the strategy calls for it.

A pace car deployed when there is significant danger on track. All cars must fall in behind the safety car and cannot overtake. Pit stops taken under the SC are significantly cheaper in time.

A system that electronically limits car speeds to a delta time without deploying the physical safety car. Used for less severe incidents. Cars cannot overtake but maintain their relative gaps.

Signals an immediate cessation of racing. All cars must return to the pit lane. The race is then restarted, sometimes from the grid. Tyre and damage changes are permitted during the red flag period.

Warning that there is a hazard ahead. Drivers must slow down and be prepared to stop. Overtaking is strictly prohibited. Double yellows indicate a more serious hazard.

Signals that the track is clear and racing can resume. Also used at the start of a session to indicate the track is open.

Shown to a driver who is about to be lapped by a car at least one lap ahead. The driver must allow the faster car to pass within three blue flag signals or risk a penalty.

A warning flag shown to a driver for unsportsmanlike behaviour. A second offence typically results in a black flag or penalty.

Signals that a driver has been disqualified from the race and must return to the pit lane immediately.

Signals the end of the race, practice session, or qualifying. Shown to the race winner as they cross the finish line.

The boundaries of the racing surface, usually defined by the white lines at the edge of the track. Exceeding them repeatedly results in lap time deletions or penalties.

Officials responsible for investigating incidents, applying penalties, and enforcing the sporting regulations during a race weekend.

A penalty requiring the driver to drive through the pit lane at the speed limit without stopping. Adds approximately 20-30 seconds depending on the circuit.

A more severe penalty requiring the driver to stop in their pit box for 10 seconds before continuing. Must be served within three laps of being issued.

A penalty of 5 or 10 seconds added to the driver's total race time, applied after the race. Common for minor incidents such as causing a collision.

A penalty applied to the driver's starting position at the next race or the current race. Commonly issued for engine or gearbox changes beyond the permitted allocation.

Points added to a driver's licence for incidents across a 12-month rolling period. 12 points results in an automatic race ban.

A penalty issued when a team releases a car from the pit box into the path of another car, creating a dangerous situation in the pit lane.

An official warning issued by the stewards for a minor infringement. Three reprimands in a season result in an automatic grid penalty.

A movable rear wing element that reduces aerodynamic drag on straights, increasing top speed. Available in designated DRS zones when a driver is within one second of the car ahead.

The hybrid system that harvests energy from braking and the turbocharger, storing it and deploying it as extra power. Provides up to 160bhp of additional power in short bursts.

The part of the ERS that recovers energy under braking and deploys it to the drivetrain for acceleration.

The part of the ERS connected to the turbocharger. Phased out from 2026 under the new power unit regulations.

A 2026 regulation change allowing teams to actively adjust aerodynamic surfaces beyond just DRS. Designed to replace DRS with a more integrated aerodynamic system.

A restricted area where cars are kept after qualifying and before the race. Teams are severely limited in what changes they can make to the car during this period.

Aerodynamic force pushing the car onto the track surface, increasing grip in corners. Higher downforce improves cornering speed but increases drag on straights.

When the rear of the car slides outward in a corner, causing the car to rotate more than intended. Can result in a spin if not corrected.

When the front of the car fails to turn as sharply as intended, causing it to push wide. The car goes straight when the driver wants to turn.

The handling characteristic of the car — whether it tends toward oversteer or understeer. Teams adjust setup to find the balance each driver prefers.

The underside of the car. Under 2022 regulations, ground effect aerodynamics returned, making the floor the primary source of downforce.

The complete hybrid engine assembly, comprising the internal combustion engine, MGU-K, MGU-H (until 2026), energy store, and control electronics.

The new power unit regulation effective from 2026. Removes the MGU-H, increases electrical power to roughly 50% of total output, and introduces new fuel regulations including sustainable fuels.

From 2026, all F1 cars must run on 100% sustainable fuel — a non-fossil fuel that produces no net carbon when burned. A key part of F1's path to net zero.

Three practice sessions on Friday and Saturday giving teams time to set up the car, test tyres, and gather data. FP1 and FP2 are on Friday, FP3 is on Saturday morning.

Three knockout sessions that determine the starting grid. Q1 eliminates the five slowest drivers, Q2 eliminates the next five, and Q3 determines positions 1-10 including pole.

Starting position at the front of the grid, awarded to the fastest driver in qualifying.

A modified race weekend format featuring a Sprint Qualifying session on Friday and a shorter Sprint race (approximately 100km) on Saturday. Points are awarded separately to the Grand Prix.

A shortened qualifying format used on sprint weekends to set the grid for the Sprint race. Three knockout segments (SQ1, SQ2, SQ3) run on Friday afternoon.

The slow lap completed by all cars before the start of the race, allowing drivers to warm up tyres and brakes before the standing start.

A race start from stationary on the grid. Drivers must hold the car on the clutch as the five red lights illuminate, then release when they go out.

A race restart behind the safety car where racing resumes when the safety car peels into the pit lane. Drivers must hold position until the lead car crosses the start line.

The individual championship awarded to the driver who accumulates the most points across the season. Points are awarded to the top 10 finishers (25-18-15-12-10-8-6-4-2-1).

The team championship, awarded to the constructor whose drivers accumulate the most combined points. Each team scores points from both cars.

A single bonus point awarded to the driver who sets the fastest lap of the race, provided they finish in the top 10.

A financial regulation limiting how much teams can spend per season, designed to close the competitive gap between large and small teams.

The commercial agreement between the FIA, Formula One Group, and all teams that governs the sport's financial and operational structure.

A regulation system limiting how much teams can develop certain parts of their car during a season. Introduced during the COVID era and subsequently modified.