Training / Tools / Pace Calculator

Half Marathon Pace Calculator

Enter your goal finish time to get your required pace per km and mile, plus a full kilometre-by-kilometre splits chart for race day.

Ready to actually hit that pace?

Numbers on a page are the easy part. Holding that pace for 21.1km on race day is the hard part. RunLetters Half Marathon Coaching pairs you with a real coach (not an app) who builds your training around your goal time, adjusts the plan as your training actually goes, and is in your corner from week one to the start line.

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Guide: How to read a half marathon pace chart Guide: How to run a sub-2:00 half marathon Running Pace Chart Enter your pace per km or mile and get your finish time for every common race distance, from 5K to marathon.