HOW IT WORKS – CromCars


  
   
   CROMCARS / ACCELERATION CHALLENGE
   PREDICT. COMPETE. WIN.
   Eight distances. Eight time predictions. One motorsport skill challenge.
   8 DISTANCESUP TO 800 POINTSSKILL-BASED RANKING
   EXPLORE ACTIVE CHALLENGES →
  
  
   THE PROCESSHOW IT WORKS
Study the vehicle, make your predictions and see how close you get to the official acceleration measurements.
   
    01CHOOSE YOUR CHALLENGE
Explore the active Acceleration Challenges and review each vehicle, prize, closing date, eligibility conditions and official rules.
    02ENTER YOUR PREDICTIONS
Predict the cumulative time the challenge vehicle will take to reach each of the eight marked distances. Enter times in MM:SS.mmm format.
    03REVIEW YOUR ENTRIES
Find your submitted predictions under My Predictions. You can adjust them while the relevant challenge remains open and editing is permitted.
    04PREDICTIONS LOCK
At the published cutoff, predictions lock. The administrator records the official acceleration measurements used for scoring.
    05POINTS & LEADERBOARD
Each distance can earn up to 100 points based on the percentage difference between your prediction and the official time. The maximum total is 800 points.
    06RESULTS & WINNERS
Entries are ranked by their combined score. Any ties are assessed using the published tie-breaking rules. Official results and winners are published after verification.
   
   YOUR SKILL TESTEIGHT DISTANCES. EIGHT PREDICTIONS.
Submit a predicted cumulative acceleration time for each distance.
100 mMM:SS.mmm
200 mMM:SS.mmm
300 mMM:SS.mmm
400 mMM:SS.mmm
500 mMM:SS.mmm
600 mMM:SS.mmm
800 mMM:SS.mmm
1000 mMM:SS.mmm
   THE SCORINGPRECISION EARNS POINTS.
Every prediction is compared with the official measured time at the same distance. Smaller percentage errors earn higher scores, up to 100 points per distance.
All eight scores are added together. The highest eligible combined score ranks first, subject to the published competition rules.
100 POINTS / DISTANCE800 POINTS MAXIMUM
MAXIMUM POSSIBLE SCORE800/800
8 × 100 POINTS
   MEASUREMENTOFFICIAL ACCELERATION TIMES
The challenge uses official acceleration measurements published by the competition administrator. Refer to the individual challenge rules for the measurement procedure and equipment, including Dragy where specified.
TIE-BREAKINGWHEN SCORES ARE EQUAL
Ties are compared by percentage error at the longest distance first: 1,000 m, then 800 m, 600 m, 500 m, 400 m, 300 m, 200 m and 100 m. Consult the official rules for any remaining tie.
   NO PURCHASE NECESSARYFREE POSTAL ENTRY ROUTE
Eligible participants can request entry without purchasing merchandise, subject to the applicable competition's postal deadline, entry limits and official rules.
READ FREE ENTRY POLICY →
   QUICK ANSWERSFREQUENTLY ASKED QUESTIONS
What time format do I use?
Use MM:SS.mmm (minutes, seconds and milliseconds) for each of the eight cumulative times.
Can I edit my predictions?
Predictions may be edited while the challenge remains open and editing is permitted. Once predictions lock, they are read-only.
How is the winner decided?
Eligible entries are ranked by total points across all eight distances. The published rules govern scoring, tie-breaking, eligibility and verification.
Can I enter for free?
Yes. See the Free Postal Entry Policy and the relevant competition rules before submitting an application.
   READY TO MAKE YOUR PREDICTIONS?
Choose a live challenge and put your acceleration knowledge to the test.
VIEW ACTIVE CHALLENGES →