Course Timeline Calculator
Know when your first, typical and last athletes will reach every checkpoint on your course, then hand each volunteer a one-page briefing sheet with directions, timing and notes.
Turn 1 · 3.2 mi into the bike
See it work
Add your video link to VIDEO_URL at the bottom of this file.
Take it with you
- Race Director WalkthroughThe full calculator walkthrough deck. PDF · 7.6 MB
- Sample Volunteer Briefing SheetWhat each volunteer gets at their post. PDF · 290 KB
- Checkpoint Planning WorksheetGather distances, GPS and notes before you start. PDF · 125 KB
- Quick Reference GuideReading the green, blue and red arrival times. PDF · 100 KB
How to Use This Calculator
Enter your race start times, course distances, and expected pace ranges. Add named checkpoints at specific distances from the start of the bike and run legs to see exactly when the fastest, median, and slowest athletes will reach each one. Use this for planning road closures, staff scheduling, and safety resource deployment.
Race Configuration
Race Start
Average time athletes spend in transition
Swim
Fast
Median
Slow
Bike
Checkpoint LabelDistanceGPS (lat, long)
Distance is measured from the start of the bike leg, in the bike distance unit selected above. GPS is optional. Paste coordinates as "lat, long" (e.g. 39.7392, -104.9903) to add a map and navigation link. Notes you add appear on that location's printable briefing sheet.
Fast
Median
Slow
Run
Checkpoint LabelDistanceGPS (lat, long)
Distance is measured from the start of the run leg, in the run distance unit selected above. GPS is optional. Paste coordinates as "lat, long" (e.g. 39.7392, -104.9903) to add a map and navigation link. Notes you add appear on that location's printable briefing sheet.
Fast
Median
Slow
Course Timeline Results
Enter Race Details
Configure your race parameters and click "Generate Timeline" to see projected checkpoint times.