Simple, honest pricing
Free forever. Or unlock everything with a one-time Pro purchase.
SprintCalc Free
$0
· forever
Percentage-based interval calculator (full functionality)
Race-day predictor — one prediction at a time
One saved workout
Best Value
SprintCalc Pro
$15
one-time · lifetime
Unlimited workout suggestions & training drills
AI coaching insights for every calculation
Unlimited saved calculation history
Printable / downloadable workout summaries
Race-day predictor — unlimited + team batch mode
Team dashboard & athlete roster
Secure checkout — powered by PayPal · one-time payment
See what Pro workouts look like
Speed / Speed Endurance90% intensity
Max Velocity Runs
Volume6×60m
Recovery5 min full
Target (60m)8.70s
Notes: Fly-in from 20m build. Reach top speed in each rep.
Example: Mid Season · NFHS · 100m · Based on an 11.50s goal time
