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Ubify Financial Advisory Board

FINANCIAL ANALYSTS & CPA REVIEWERS

~1 min read
~182 words
VERIFIED OCTOBER 2026
Reviewed by Certified Public Accountants (CPA) & Financial Analysts

About This Tool

Whether training for your first 5K or aiming for a Boston Marathon qualifying time (BQ), our Running Pace Calculator provides instant conversion between time, distance, and pace. Easily switch between Imperial (min/mile) and Metric (min/km) splits.

Quick Distance Standards: • 5K: 3.107 miles / 5,000 meters • 10K: 6.214 miles / 10,000 meters • Half Marathon: 13.109 miles / 21.097 km • Full Marathon: 26.219 miles / 42.195 km

How to Use

  1. 1

    Select a popular race preset or enter custom distance in miles or kilometers.

  2. 2

    Enter your target finish time in hours, minutes, and seconds.

  3. 3

    View your required pace per mile and equivalent metric split per kilometer.

Frequently Asked Questions

What pace do I need to run a sub-4-hour marathon?

To finish a full marathon in under 4 hours, you need an average pace of 9 minutes and 9 seconds per mile (9:09/mi) or 5 minutes and 41 seconds per kilometer (5:41/km).

How do I convert min/mile to min/km?

Divide your mile pace in seconds by 1.60934 to get your kilometer pace in seconds, then convert back to minutes and seconds.

    Running Pace Calculator — 5K, 10K, Half & Marathon Splits | tools.ubify.app | Ubify Tools