SwimSum

Create an instant workout!

Choose your pool length – 25 m, 50 m, or any length you swim.
Set your distance – From a quick 500 m to a long 10 km.
Get your workout – Warm-up, build, main set, and cool-down, ready to go.

Create convenient workouts. Refresh and regenerate until you find a favorite!

SwimSum is a swim workout generator for swimmers, triathletes, and coaches. Build structured swimming workouts with warm-up, main set, and cool-down for any pool training session.

SwimSum app – workout with warm up, build, main, sprint, cool down

SwimSum app – technique workout with dolphin effort levels

SwimSum app – longer workout with main sets and pull

SwimSum app – longer mixed workout with multiple effort sections

Premium features coming

We are currently developing a suite of powerful features for competitive and fitness swimmers. Here is what we are considering for the Premium release:

Advanced Set Editor: Full manual control to add, edit, or reorder every single set.
Custom Pool Geometry: Support for any pool length (33m, 27yd, etc.) with perfect Swimmer Math.
Pace & Interval Engine: Calculate send-off times based on your CSS (Critical Swim Speed).
Equipment Integration: Toggle Fins, Paddles, Snorkel, and Buoy to match your bag.
Remove Advertisements: Enjoy a clean, distraction-free interface for only 5/year.
Workout History: Save your favorite sessions and track your total yardage over time.
Stroke Focus: Generate workouts specifically for IM, Distance Free, or Sprint Fly.