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Pace Calculator

Plan your race. Enter a target finish time or pace and get your splits, speed, and equivalent times across every distance — from 5K to the marathon.

Distance
Distance in kilometres
Splits in
Target finish time Just type the digits — 2500 → 25:00, 13000 → 1:30:00
Pace
–
per km
Finish time
–
total
Speed
–
km/h
Even-pace splits
KMSplitCumulative
If you held this effort…

Equivalent race times estimated with the Riegel formula (t₂ = t₁ × (d₂/d₁)^1.06). A guide, not a guarantee — terrain, heat and training all move the number.

Training & pace guides

100PLUS

How National Triathlete Herlene Natasha Yu Masters Half Marathon Hydration in Singapore’s Heat

Nov 06, 2026
Commentary

Choking the Race Calendar: Worsening Haze Threatens Malaysia and Singapore Running Events, Forcing Athletes Indoors

Sep 19, 2026
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Heart Rate Zones Explained: How to Train Smarter With Your Garmin Sports Watch

Sep 17, 2026
Playbook ↗

How to Use a Massage Gun Before and After a Workout (Complete Step-by-Step Guide)

Sep 17, 2026
Playbook ↗

Cold Plunge Before or After Training? How to Time It for Strength vs Endurance

Sep 17, 2026
Playbook ↗

Sauna for Endurance: How Heat Training Can Unlock Your Next Personal Best

Sep 17, 2026
Playbook ↗

Training Load and Recovery Time: How to Read Your Garmin Metrics for Peak Performance

Sep 17, 2026
Playbook ↗

Using GPS Watch Data to Build a Marathon Training Plan

Sep 17, 2026
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