Fitness

Pace Calculator

Calculate running pace, finish time, or distance. View split times for common race distances.

Quick Answer

Pace is the time it takes to cover one mile or kilometer. To calculate: divide total time by distance. For example, 25 minutes for a 5K (3.1 miles) is an 8:04/mile pace. Average recreational runners run 9-12 min/mile. Elite marathoners run sub-5:00/mile.

miles
hr
min
sec

Results

Pace (per mile)
8:04
min/mile
Pace (per km)
5:01
min/km
Total Time
25:00

Race Splits at This Pace

RaceDistanceFinish Time
1 Mile1.00 mi / 1.61 km8:04
5K3.11 mi / 5.00 km25:03
10K6.21 mi / 10.00 km50:07
Half Marathon13.11 mi / 21.10 km1:45:43
Marathon26.22 mi / 42.19 km3:31:27

About This Tool

Running pace is the cornerstone metric for runners of all levels. Whether you are training for your first 5K or chasing a marathon PR, knowing your pace helps you plan workouts, set race strategies, and track progress over time. This calculator supports three modes: finding your pace from distance and time, predicting finish time from distance and pace, or calculating how far you can go at a given pace and time.

Understanding Pace vs. Speed

Pace is expressed as minutes per mile or minutes per kilometer, while speed is miles per hour or kilometers per hour. Runners prefer pace because it directly answers the question "how fast am I running each unit of distance?" An 8:00/mile pace equals 7.5 mph. To convert pace to speed: divide 60 by your pace in minutes. To convert speed to pace: divide 60 by your speed in units per hour.

Common Race Pace Benchmarks

Beginner runners typically finish a 5K at 10-13 min/mile pace. Intermediate runners target 8-10 min/mile. Advanced runners aim for sub-7 min/mile. For marathons, the average finish time is about 4:30 (roughly 10:18/mile). Qualifying for the Boston Marathon requires approximately a 3:00-3:35 marathon depending on age and gender, which translates to a 6:50-8:12/mile pace.

Negative Splits Strategy

Running the second half of a race faster than the first is called running negative splits. Many coaches and elite runners consider this the optimal racing strategy because it prevents early burnout and allows a strong finish. To execute negative splits, start 10-15 seconds per mile slower than your goal pace for the first third of the race, run at goal pace in the middle, and push slightly faster in the final third.

Frequently Asked Questions

What is a good running pace for beginners?
Most beginners start at 10-13 minutes per mile (6:15-8:05 per km). A comfortable pace where you can hold a conversation is ideal for building endurance. Don't worry about speed early on; focus on consistency and gradually increasing distance before trying to get faster.
How do I convert min/mile to min/km?
Divide your pace in min/mile by 1.60934. For example, an 8:00/mile pace is about 4:58/km. This calculator shows both automatically so you don't need to do the math.
What pace do I need for a sub-2-hour half marathon?
A sub-2:00 half marathon (13.1 miles) requires an average pace of about 9:09/mile or 5:41/km. You'll need to sustain this pace for the entire distance, so your comfortable training pace should be slightly faster.
Should I run at the same pace every day?
No. Effective training includes easy days (60-90 seconds slower than race pace), tempo runs (15-20 seconds faster than race pace), and intervals (much faster but shorter). Running all your miles at the same pace is a common mistake that leads to plateaus and overtraining.
How does terrain affect pace?
Hills, trails, sand, and wind all slow your pace. A general rule: add 15-20 seconds per mile for every 1% of grade on hills. Trail running is typically 10-20% slower than road running at the same effort level. Adjust expectations and use effort level rather than pace for hilly or technical terrain.

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