🏃 Half Marathon Pace Calculator

Calculate your half marathon pace, finish time, and get perfect splits (13.1 miles / 21.1 km)

Calculate Pace from Time
Calculate Time from Pace

Enter Your Half Marathon Time

Hours : Minutes : Seconds
Your Half Marathon Pace
5:00
min/km • 12.0 km/h • 7.5 mph
Per Mile Pace
8:03
Per KM Pace
5:00
Average Speed
12.0 km/h

Enter Your Target Pace

Your Half Marathon Finish Time
1:45:00
At 5:00 min/km pace
💡 Half Marathon Distance: A half marathon is 13.1094 miles or 21.0975 kilometers. It's the perfect distance for runners looking to step up from 10K without committing to full marathon training. Most runners need 10-12 weeks of training.

🎯 Popular Half Marathon Time Goals

Sub-1:20
1:19:59
3:47 min/km
6:06 min/mile
Sub-1:30
1:29:59
4:16 min/km
6:52 min/mile
Sub-1:45
1:44:59
4:58 min/km
8:00 min/mile
Sub-2:00
1:59:59
5:41 min/km
9:09 min/mile

📊 Half Marathon Pace Chart

Half Marathon Time Pace (min/km) Pace (min/mile) Speed (km/h)