HeadsUp Racer

Take the guesswork out of drag racing matchups! Whenever you’re at the track, this app instantly calculates the exact head start distance one car needs to make the race fair. Perfect for heads-up challenges or handicap matchups. Just enter tire width, horsepower, and weight for each car or use optional ET times for even more precision. Our calculation engine uses real drag racing physics to determine a fair and competitive advantage, so skill and reaction time decide the winner. Features: * Calculate head starts in feet, meters, 1/8 mile, or 1/4 mile formats * Supports inches and centimeters for tire width * Instant results — no Wi-Fi needed at the track * Optional ET override for advanced racers * Clean, easy-to-read layout — perfect on race day Whether you’re racing a buddy with wider tires, more horsepower, or a lighter setup this app helps level the playing field and make every run exciting. Note: For informational purposes only. Always race safely and at a sanctioned drag strip.