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Track Day Prep Checklist

Cars lined up in the paddock before a track day event

A track day is the most demanding thing most cars will ever experience. Sustained high-speed driving, repeated heavy braking, hard cornering for 20 to 30 minutes at a stretch. That is a different world from the commute to work. Street driving rarely asks more than 30 percent of what your car can deliver. A track day asks for 90 to 100 percent, lap after lap. If anything is marginal, the track will expose it.

This checklist covers everything you need to verify before your car rolls onto the grid. Work through it a week before your event, not the night before. That gives you time to fix problems instead of discovering them in the paddock with no parts and no tools.

Brake Fluid

This is the single most important item on the list. Track driving generates brake temperatures that street driving never approaches. Factory DOT 3 fluid has a dry boiling point around 401 degrees Fahrenheit, and that drops significantly once the fluid absorbs moisture. At the track, your brakes will exceed that temperature within a few laps.

Flush with DOT 4 at minimum. If your car is heavy or you drive aggressively, step up to Motul RBF 600 or ATE Typ 200, which have dry boiling points above 590 degrees Fahrenheit.

Flush means flush. Bleed all four corners until the fluid coming out of each bleeder is clean and clear. Topping off the reservoir does not replace the old fluid sitting in the calipers where the heat is. A proper flush runs $80 to $150 at a shop and is the best money you will spend on track prep.

Brake Pads and Rotors

Check your pad thickness. You need at least 50 percent of the pad material remaining to survive a full track day without issues. Pads that look fine on the street can overheat and glaze on the track, which kills stopping power and creates a dangerous situation at corner entry.

Inspect your rotors for scoring, hot spots (blue or purple discoloration), and thickness variation. Run your fingernail across the rotor face. If you can feel deep grooves, the rotors are due for replacement or machining. Hot spots indicate the rotor has been overheated before and may warp under track use. We have a full breakdown in our brake readiness guide.

Tire Condition

Inspect all four tires for tread depth, sidewall damage, dry rot, and uneven wear. Track driving loads tires harder than anything on the street. A tire with a sidewall bubble or cracking between the tread blocks is a blowout waiting to happen at triple-digit speeds.

Tread depth should be at least 4/32 of an inch for track use. That is twice the legal minimum for street driving, and it exists because you need that tread depth for water evacuation if the track goes damp and for heat dissipation during sustained cornering.

Check the date code on your tires. It is a four-digit number on the sidewall (for example, 2223 means week 22 of 2023). Tires older than five years have degraded rubber compounds that provide less grip and are more prone to failure, regardless of tread depth. Old tires on a fast track are a genuine safety risk.

Wheel Torque

Torque every wheel lug or bolt to the manufacturer's specification using a calibrated torque wrench. This is not optional. Track driving generates heat and vibration that can loosen lugs over a session. Many track organizations require a re-torque after your first session as well.

Bring your torque wrench to the event. Check your lugs before your first session, after your first session, and once more during the day. If you hear a clicking or feel a vibration from a corner, come in immediately and check your wheel fasteners.

Engine Oil

Oil level should be at the full mark on the dipstick, checked on level ground with the engine warm. Track driving creates sustained high RPM and high lateral loads that stress the oiling system. Low oil plus high cornering loads equals starved bearings, and a spun bearing ends your engine.

If your oil is due for a change, do it before the event, not after. Fresh oil handles heat better than oil with 5,000 miles on it.

Coolant

Verify coolant level in both the radiator (cold engine, cap off) and the overflow reservoir. The cooling system works harder at the track than anywhere else. Sustained high RPM at speed generates more heat than stop-and-go traffic because the engine never gets a break.

Important: many track organizations prohibit glycol-based coolant because it is slippery when spilled and nearly impossible to clean off a racing surface. Check your event's rules. If coolant is banned, you will need to flush your system with distilled water and a water wetter additive like Red Line Water Wetter. Do this a few days before the event and verify there are no leaks with the new fluid.

Belts and Hoses

Inspect the serpentine belt for cracks, fraying, or glazing. A belt that snaps on track kills your alternator and power steering simultaneously.

Check all coolant hoses for swelling, softness, or cracking. A coolant hose that lets go at speed dumps fluid on the track and can cause a black flag for the entire session.

Lights

All lights must work. Brake lights are critical because the car behind you needs to know when you are slowing. Most track organizations will reject a car with non-functional brake lights at tech inspection. Check turn signals and headlights too, especially if your event includes a rain session or runs close to dusk.

While you are checking lights, verify that your brake light switch is working correctly. Press the pedal and have someone confirm all brake lights illuminate, including any center-mounted third brake light.

Miscellaneous Items

Remove all loose items from the cabin and trunk. Floor mats must come out. Anything in the glovebox, center console, or door pockets should be secured or removed.

Verify the throttle pedal returns freely with the mats removed. Check that seat belts latch and release correctly. If you are running a harness, inspect the mounting hardware and webbing for wear.

The Printable Version

Here is the condensed list for quick reference at the garage:

Book a professional inspection a week before your event.

If this is your first track day, our track day basics guide covers what to expect when you arrive. And if you are still sorting out what to pack, check the event day packing list. The prep work you do in the garage is what lets you focus on driving once you get to the track. Skip the prep and you spend the day chasing problems instead of learning from your laps.