# Race Reaction Test Race Reaction Test is a web-based reaction time trainer with a five-light race start sequence. React when the lights go out to record your time in seconds, compare your best result, and optionally submit qualifying runs to the global leaderboard. Created by Denis Chernyatin (Денис Чернятин). Canonical site: https://racereactiontest.click/ Primary facts: - Free browser game and reaction time trainer. - Inspired by motorsport start lights and Formula 1-style race starts. - No account required for local play. - Global leaderboard stores submitted reaction times and optional player profile details. - Not affiliated with Formula 1, FIA, or any racing series. Pages: - / - /af - /ar - /az - /bg - /bn - /bs - /ca - /cs - /da - /de - /el - /es - /et - /eu - /fa - /fi - /fr - /he - /hi - /hr - /hu - /hy - /id - /is - /it - /ja - /ka - /kk - /ko - /lt - /lv - /mk - /ms - /nl - /no - /pl - /pt-br - /ro - /ru - /sk - /sl - /sq - /sr - /sv - /th - /tr - /uk - /uz - /vi - /zh-hans Structured data: - The pages expose WebSite, WebApplication, Person, CreativeWork, and FAQPage JSON-LD. - Sitemap: https://racereactiontest.click/sitemap.xml - Open Graph image: https://racereactiontest.click/og.png