Your First Autocross in an ND MX-5
An autocross (SCCA calls it Solo) is a timed run through a cone course laid out on a parking lot or airfield, one car at a time against the clock. Runs last 40–60 seconds, top speeds stay around 55–60 mph, and a regional event costs $25–45 to enter. There is no wheel-to-wheel contact and almost nothing to hit except cones, which makes it the cheapest and lowest-risk way to learn what your ND does at the limit. A bone-stock ND needs zero preparation beyond emptying the cabin and checking the basics, and it lands in C Street (CS), one of the most competitive classes in the rulebook.
This page is about the day itself: tech, the course walk, your work assignment, and your runs. For what class your car is in once you start modifying it, see autocross classing. If you’re weighing autocross against a track day, the road-course equivalent is the HPDE beginner guide.
The day, grid to last run
Section titled “The day, grid to last run”A typical Solo day runs 8 a.m. to mid-afternoon, and most of it is not driving:
- Arrive early and register. Gates commonly open around 7–8 a.m. You’ll sign a waiver, get a class and number for your doors (painter’s tape works), and get a work assignment.
- Tech inspection of the car and your helmet (next section).
- Walk the course, ideally two or three times. This is where novices win or lose the day (section below).
- Drivers’ meeting, mandatory. Heats, work assignments, and local rules.
- Heats. The entry splits into heats by class: you run in one heat and work the course in another. Cars launch every 20–30 seconds, so three or four cars are on course at once, spaced apart.
- Your runs. Expect three to four timed runs at most regions, sometimes up to six. Total competition driving for the day: under five minutes. The ratio sounds bad until you remember each run is a maximal-effort lap you’d never get to attempt on the street.
Scoring is your single best run, plus penalties: two seconds per cone knocked over or pushed fully off its chalk outline, and a run scores as off-course (no time) if you miss a gate and don’t go back through it. In a 50-second run decided by tenths, one cone usually costs more than any driving mistake. Smooth beats heroic.
When the last heat ends, everyone helps pick up the course. Results post online, usually same day; novice classes often use an indexed time (PAX) so different cars compare fairly.
Tech inspection on a stock ND: five minutes, one gotcha
Section titled “Tech inspection on a stock ND: five minutes, one gotcha”Solo tech is a quick safety once-over, not a track-day inspection. Per SCCA’s own tech guide, the inspector checks for loose objects in the cabin, a secured battery, fluid leaks, wheel bearing play, missing lug nuts, tire condition, and your helmet. On a stock ND, prepare at home:
- Empty everything. Cupholders, glovebox, door pockets, trunk. Floor mats out unless they’re factory-anchored. The ND barely has storage, so this takes two minutes.
- Torque the lugs (~80 lb-ft; the track day checklist has the full pre-event list).
- Tires at or above placard pressure with no cords showing. Most autocrossers add a few psi up front; you can sort exact numbers later at track tire pressures.
The gotcha is the battery. Inspectors grab it and try to rock it; if it moves, you fail tech on the spot. The ND’s group 51R sits in the engine bay under a plastic cover (specs and location), and the factory bracket is sized for the OEM case. Replacement 51Rs a touch shorter than stock leave the bracket loose enough to flunk, which is a known enough problem that aftermarket ND tie-downs exist just to fix it. Open the cover and tug the battery the night before, not in the tech line.
On helmets, Solo is looser than HPDE: Snell M and K ratings pass alongside SA, and regions accept several vintages back (Cincinnati Region’s 2026 list takes Snell 2010 or newer; DOT-only does not pass). Loaner helmets are available in most regions, so don’t buy one for your first event.
Walking the course: gates, key cones, memorization
Section titled “Walking the course: gates, key cones, memorization”Every course is brand new to everyone that morning, there’s no orientation lap, and your first run counts. Course walking is the one skill that separates a decent first event from a lost one, because the most common novice failure isn’t slow driving, it’s getting lost in the cones mid-run.
Read the cones first. A Solo course is defined entirely by gates: pairs of standing cones you must pass between. Pointer cones (laid on their side) sit next to a standing cone and point at the side you pass on. Slaloms are a line of single cones taken alternately; the entry side is given by a pointer at the first cone. Walls and chicanes are just gates packed closer together. Miss a gate and the run is off-course; you can save it only by going back through the gate you missed (Mohawk-Hudson driver’s handbook).
Walk it like you’ll drive it:
- Walk at least twice, ideally three times. First walk: just learn the sequence. Second: walk the actual line you intend to drive, not the center of the track, and note where you’ll brake and where the car should be pointed. Third: stop at each feature and look ahead to the next two, because that’s the sight picture you’ll have at speed.
- Find the key cones. Most features have one cone that defines them: the apex cone of a sweeper, the first cone of a slalom, the far cone of an offset. Pick the key cone for each feature and aim for it; the other cones take care of themselves.
- Memorize in chunks, not cones. “Start, three-cone slalom left entry, right sweeper, offset box, wall, finish” is six items, which fits in your head at speed. Sixty individual cones do not.
- Crouch. Cone fields look completely different from seat height than from standing. Squat down at the confusing spots.
- Join the novice walk-through. Most regions announce a guided walk where an experienced driver explains the course feature by feature. It’s the single highest-value 20 minutes of your first event, and the novice chair will usually also arrange an experienced driver to ride along on your runs (or drive your car with you in the passenger seat) if you ask.
Then, between heats, watch fast drivers on the parts of the course that confused you. Where they brake and where they give up track position tells you what the walk couldn’t.
Cone shagging: working the course without becoming the hazard
Section titled “Cone shagging: working the course without becoming the hazard”Autocross is cheap because the competitors are the workers: while another heat runs, you’ll stand at a corner station and reset the cones that get hit (“shagging cones”). Novices get paired with someone experienced. The etiquette is simple and mostly about not getting hit by a Corvette:
- Never turn your back on the course. Cars come every 20–30 seconds. Face traffic, wait for a real gap, then move.
- Sprint, fix, retreat. Stand the cone up exactly on its chalk outline (a cone touching its box is no penalty; one fully outside it is two seconds, so placement is the whole job), then get back off the course.
- Call it in. Your station’s radio holder reports car number and cone count to timing. If you’re holding the red flag instead, your only job is watching for a stopped or spun car and flagging the cars behind it.
- Stay alert the whole heat. Phones away. A station that misses a downed cone changes someone’s result.
It’s also the best seat in the house: you’re standing 30 feet from the fastest drivers in the region at full commitment. Watch their hands through the slalom while you wait.
A stock ND needs nothing and lands in C Street
Section titled “A stock ND needs nothing and lands in C Street”Resist the urge to prepare the car. A showroom-stock ND is already one of the best autocross cars sold at any price, and anything you bolt on can move you into a faster class. In SCCA Solo, a stock or lightly modified ND classes in C Street (CS), where the ND is the dominant platform and national-level times are separated by hundredths. The full picture (what CS allows, why the Club trim’s LSD and springs matter, the 2025 Street Touring renames) lives on the autocross classing page; read it before you buy a single part.
Tires included. Run whatever streetable tires are on the car for your first events; do not show up on fresh 200-treadwear rubber you haven’t earned yet. The tires overview explains why, and autocross tires covers the RE-71RS/RT660/A052 decision for when your driving outgrows the stock set.
What the car actually needs on day one: fuel above a quarter tank, tires at placard or a few psi over, lugs torqued, cabin empty, battery tight.
Your first three events: one goal each
Section titled “Your first three events: one goal each”Seat time beats parts for years in this sport, and the learning compounds fastest if each early event has a single goal.
- Event 1: finish clean. No cones, no off-courses, every gate. Eyes up and two features ahead. Take a ride-along with an experienced driver if the region offers it (most do). Your only comparison is your own first run vs. your last; a 2–3 second improvement across the day is normal and addictive.
- Event 2: walk better, look farther. Do the full three-walk routine, pick key cones deliberately, and drive the line you walked. Slaloms are the usual novice time sink; enter them earlier and tighter to the first cone than feels natural.
- Event 3: measure something. Compare your time to the CS field, not just yourself, and start identifying where you lose time. A phone lap timing app that overlays two runs turns “I felt slow” into “I brake 30 feet early into the sweeper.”
After three events you’ll know whether this is your sport. If it is, the order is: keep driving stock, then tires, then read classing carefully before anything else touches the car.
Further reading
Section titled “Further reading”- Autocross classing: CS, Street Touring after the 2025 renames, and how mods move you up
- Autocross tires: the 200TW field, when you’re ready for it
- HPDE beginner guide: the road-course version of this page
- Track day checklist: the pre-event item list, lug torque included
- Lap timing apps: overlaying runs to find the half-second
- Community: finding your local region and its novice program