---
title: "Running Pace Calculator"
method: POST
path: "/api/v1/tools/running-pace-calculator"
tags: ["tools"]
---

# Running Pace Calculator

`POST /api/v1/tools/running-pace-calculator`

## Request

- Base URL: `https://toolforte.com`
- URL: `https://toolforte.com/api/v1/tools/running-pace-calculator`
- Auth: HTTP bearer

Pace, time or distance from the other two, with splits. Give any two of the three and it returns the missing one, the pace in both minutes per kilometre and per mile, the speed in km/h, a cumulative split for every whole unit, and the finish time at that same pace for seven race distances from 1 km to the marathon.

## Request body

- object
  - `solve` string
  - `unit` string
  - `distance` integer
  - `time` string
  - `pace` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `solve` string
    - `unit` string
    - `distance` integer
    - `timeSeconds` integer
    - `time` string
    - `paceSeconds` integer
    - `pace` string
    - `pacePerKm` string
    - `pacePerMile` string
    - `speedKmh` number
    - `resultLabel` string
    - `resultValue` string
    - `splits` object[]
      - `at` integer
      - `time` string
    - `predictions` object[]
      - `label` string
      - `km` number
      - `time` string

## Other responses

- `400`: Missing or invalid request fields
- `401`: Invalid or missing API key
- `429`: Monthly plan limit reached

---

[API](https://skmtc.dev/toolforte/apis/toolforte-api.md) · [All operations](https://skmtc.dev/toolforte/apis/toolforte-api/llms.txt) · [OpenAPI document](https://skmtc.dev/toolforte/apis/toolforte-api/revisions/4d814d484dfc?raw)