Free tools for runners & trail runners

Run further. Think less.

RunWarden brings together the tools you actually need — pacing, playlists, training logs — so you stay focused on what matters: the trail ahead.

Explore the tools
Live

Playlists & Cadence

Curated YouTube Music playlists sorted by BPM to match your running cadence. Pick your target stride rate, hit play, and let the beat do the pacing — no metronome needed.

Live

RunWarden Pacer

A SuuntoPlus application for Suunto watch owners. Define your race segments with pacing targets and refueling reminders — RunWarden Pacer keeps you on strategy when every minute counts.

Suunto watch SuuntoPlus Store Pacing Refueling Segments
Open on SuuntoPlus Store →
Beta

RunWarden Backyard

A SuuntoPlus application for Suunto watch owners. RunWarden Backyard is your on-wrist race companion, managing the loop clock so you can focus entirely on moving forward.

Suunto watch SuuntoPlus Store Pacing Backyard Last Man Standing
Open on SuuntoPlus Store →
Under construction

Google Sheets Library

A growing library of Apps Script functions that plug straight into Google Sheets — log runs, compute weekly load, visualise trends. No extra software, no subscription required.

Apps Script Training log Volume analysis Google Sheets

This tool is under construction — check back soon.

About

Built on the trails,
for the trails.

RunWarden is a personal project built by a trail runner, for runners of all kinds. Every tool here is free, requires no account, and runs entirely in your browser — no download needed.

The philosophy is simple: tools should be trail-first, honest about their maturity level, and genuinely useful on race day and training day alike. Each tool is clearly labelled — Live, Beta, Alpha, or Coming soon — so you always know where things stand.

New tools are added when they're ready. Feedback is always welcome.