Tools

Small tools. Honest maths.

Every tool runs in your browser — no account, no uploads. Race predictions, pace splits, and route planning, using the same maths as the app.

Predict 5K, 10K, half and marathon from a recent time. Same math as the app.

Your next parkrun goal, km splits, and the training paces to get there.

Turn a goal time into km and mile pace, speed, and even splits.

Download Runese and start your plan.

Plans, sessions, live tracking, race predictions — on your phone and watch. Available on iPhone and Android.