Race Pace - Run Calculator

Plan smarter race pacing with real world GPS buffer calculations, split breakdowns, and instant finish time predictions for any distance.

Race Pace is the smart running pace calculator designed for real world racing. Whether you are training for a 5K, 10K, half marathon, marathon, or custom distance, Race Pace helps you calculate the exact pace you need and understand what that pace actually means on race day. Unlike basic pace calculators, Race Pace includes Race Reality Buffer, helping runners account for GPS over distance that commonly happens during races. This means you can plan your watch pace more accurately and avoid missing a PB because your watch recorded extra mileage. Features include: • Instant pace to finish time calculations • 5K, 10K, Half Marathon, Marathon and Custom distances • Min per mile and min per kilometre support • Real world GPS over distance pacing buffer • Detailed split breakdowns by mile or kilometre • Pace comparison tools with plus and minus 5 second variations • Clean, distraction free design • Light and dark mode support • GPX route support coming soon Perfect for: • Marathon runners • Beginners planning their first race • PB attempts • Long run pacing • Race day strategy planning Race smarter. Pace better.