Interactive Tool · Running & Endurance

Running Pace Calculator

Calculate pace, finish time, or distance — enter any two values to find the third.

Reviewed May 29, 2026

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Distance Units
Enter Any Two Values — Leave One Blank

Common Race Distances

RaceMilesKilometers
5K3.1075.0
10K6.21410.0
Half Marathon13.10921.097
Marathon26.21942.195
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Sources & Further Reading

Reviewed May 29, 2026. Tool outputs are estimates for gear fit, training, or shopping context. Confirm league rules, personal fit, and safety-sensitive decisions with qualified coaches, fitters, clinicians, or local avalanche professionals where relevant.

Recommended Gear

Running Gear for Speed & Tracking All links use our Amazon Associates tag — thank you for supporting TSP.

Garmin Forerunner 265 — AMOLED display, HRV, race predictor — best all-around
~$450 Check Price on Amazon →
Program: Amazon Associates
Coros Pace 3 — Lightest GPS watch with multi-band — incredible value
~$229 Check current COROS PACE 3 (~$230) deals
TSP deal watch path
Polar Vantage V3 — Best-in-class running power metrics, ECG, sleep staging
~$580 Check current Polar Vantage V3 running watch deals
TSP deal watch path
Stryd Running Power Meter — Pace by power, not HR — the most accurate pacing tool
~$219 Check current Stryd running power meter footpod deals
TSP deal watch path

Affiliate Disclosure: As an Amazon Associate we earn from qualifying purchases at no extra cost to you.