CalcuSplit

Time your runners, track their progress, and share results instantly. Built for coaches, track clubs, and running groups.

The lap timer and split tracker built for timing multiple runners at once. Whether you're coaching track, timing a relay, running a cross country meet, or doing intervals with friends — CalcuSplit makes it easy to record splits for everyone.

Easy race and workout timing:

• Time multiple runners at once — one tap per runner
• Track lap splits and finish times for races or interval workouts
• Save race, relay, or workout setups as presets — load and start timing in seconds
• Review and edit the event name, meet name, or runner lineup before starting from a preset
• Run relay events with team assignment, leg order, and real-time handoff tracking
• Toggle rest periods on or off — perfect for continuous interval training
• Organize events into meets for track meets and multi-day competitions
• Export results as PDF, CSV, or HTML to share with your team
• Text formatted results straight to your runners after an event
• Screen stays on during timing — no interruptions mid-race (configurable in Settings)

CalcuSplit Premium unlocks with a one-time purchase:

• View each runner's complete race and workout history
• Export a runner's full history as CSV, HTML, or PDF
• Browse and export past events and meets
• Import rosters from spreadsheets or CSV — preview before importing so you catch mistakes early

All core timing features work without Premium. Upgrade anytime — your saved results will be ready to view and export. Your data stays on your device. No ads, no tracking, no account required. Works offline at any track, trail, or course.