RunningCyclingSwimmingTriathlonUltra

Train smarter
across every discipline.

One training log for runners, cyclists, swimmers, and triathletes. Log workouts, track your load, and see your progress — web and mobile.

Start for freeLog in

No credit card required.

Startline dashboard showing training stats and race countdown
48.2 mi this week
+9.4 mi vs last week
🏃Running
🚴Cycling
🏊Swimming
🏅Triathlon
🏔️Ultra
Training Log

One place for every workout.

Log every run, ride, swim, and brick session with structured, consistent data. No more spreadsheets or switching between apps.

  • Structured fields for pace, power, heart rate, and RPE
  • Zone-based intensity tagging on every workout
  • Searchable history with filters by sport, date, and effort
Start logging →
Startline weekly workout log with intensity breakdown
Startline intensity distribution chart by training zone
Analytics

Understand your training load.

See how your weeks stack up. Track accumulated stress, spot patterns, and know when to push harder — and when to recover.

Zone 2TempoThresholdRace PaceTechniqueRecovery
Mobile App

Take it with you. Anywhere you train.

The full Startline experience on iOS and Android. Log workouts on the road, track your weekly schedule, and sync instantly with the web.

  • Log workouts from your phone in under 30 seconds
  • View your weekly schedule on the go
  • Quick-add a workout mid-run from your lock screen
DOWNLOAD ON
App Store
DOWNLOAD ON
Google Play
Startline mobile app view

Everything you need to train consistently.

No fluff, no bloat. Just the tools that endurance athletes actually use.

All disciplines, one log

Log every run, ride, swim, and brick session in one place with structured, consistent data across all your sports.

Training zones at a glance

Color-coded by intensity — Zone 2, Tempo, Race pace, and more — so you always know what kind of week you built.

Weekly load trends

Spot overtraining before it becomes injury. See your training stress accumulate and recover over time.

Import your history

Drop in a CSV and your entire training history is searchable and charted from day one.

Ready to train smarter?

Join athletes across every discipline who use Startline to log, analyze, and improve their training.

Get started free →

Free forever. No credit card required.