UD5 Toolkit
Digital Swim Pace Clock – Online Interval Training Timer
Large screen pace clock with programmable send‑offs. Perfect for masters swimming workouts. Confirms your rest time.
Tag: Running Pace Calculator
6+ toolsHiking Pace & Time Estimator - Online Trail Plan with Elevation
Estimate hiking time using Naismith's rule (distance + elevation gain). Adjust for terrain and fitness. Plan your outdoor adventure.
Swim Pace Calculator - Online 100m / 100yd Time Predictor
Calculate swim pace per 100m or 100yd based on total time and distance. Predict race times. For pool and open water swimmers.
Running Pace Calculator - Online Min/Mile & Min/Km Converter
Convert between pace (min/km, min/mile) and speed (km/h, mph). Predict race finish times for 5k, 10k, half and full marathon based on a recent split. Works offline.
Run Pace Calculator - Online Min/Mile & Min/Km Splits
Calculate your running pace per mile/km, finish time for a race, and split times. Essential for runners.
Running Splits Calculator - Online Race Pace Predictor
Enter a recent race time and predict times for other distances. Also get lap splits for different intervals.