Run your track intervals
by ear.

The audio-first interval timer for track runners. Hear every rep and every checkpoint — eyes on the track, not on your phone.

INTERVAL
02:45
Target: 4:30/km
Set 3 of 8 · 1000m

Why OnTrack?

Hear Every Rep

Audio cues at phase changes, set completions, and distance checkpoints. Train with your eyes on the track — not on a screen.

Runs With Screen Off

Pocket your phone. Alerts keep firing even when the screen is locked, and they play alongside your music.

Premium

No Subscription. Ever.

Free to train. Premium is a one-time $2.99 — no ads, no account, yours forever.

Built for the Track

Set a target pace and distance, and OnTrack cues every 100m, 200m, and 400m checkpoint of your rep.

Private by Design

No GPS, no cloud, no sign-up. Your workouts and session history live on your phone — and nowhere else.

Flexible Workouts

STEP blocks for simple intervals, REPEAT blocks for sets like 8×1000m with 400m recovery.

How It Works

1

Create Your Preset

Build your workout with warm-up, main set intervals, and cool-down. Set pace and distance for each phase.

2

Check Pace Checkpoints

View the exact time you should hit at every 100m. Perfect for track workouts.

3

Run by Ear

Hit start, pocket your phone, and follow the beeps. OnTrack cues every rep, rest, and checkpoint.

4

Review Your Session

See your summary after each workout. It's saved on your phone only — no account, no cloud.

Pace Checkpoint Example

Running 1200m at 3:50/km? OnTrack beeps at every checkpoint so you always know you're on pace:

Distance Time Seconds
100m 0:23 23
200m 0:46 46
400m 1:32 92
600m 2:18 138
800m 3:04 184
1000m 3:50 230
1200m 4:36 276

Ready to hit your splits?

Download OnTrack free. Premium — screen-off alerts and advanced templates — is a one-time $2.99. No subscription, ever.