Boulder Tracker and climbing tracker (indoor)
· v3.1.192
About
Boulder Tracker is an indoor bouldering and climbing session tracker for your Garmin watch. It counts your boulders and routes, auto-detects falls, and lets you log climbs with one button press - paired with a powerful free companion web app for live view, charts, history, personal records and trends. (The automatic HR-based counting is marked as a beta feature, as it is still experimental.)
IMPORTANT: The menu must open on a long button press. On most watches it's the lower right button (also known as lap button or back button).
HOW IT WORKS
The primary counting flow is reliable and simple:
- Fall/drop detection (automatic) - accelerometer freefall + impact analysis adds a boulder for every detected fall.
- Manual logging (one button) - press SELECT after topping a route. Double-tap within 350 ms to undo.
Additionally, an experimental HR-based auto-detection state machine (IDLE to CLIMBING to REST) is available as a BETA feature. It is OFF by default. You can enable it from the long-press menu ("Auto-Count: ON (BETA)") in the MAIN phase. HR-based detection works best with a stable optical heart rate sensor or a chest strap; we keep tuning it across firmware versions and body types.
WATCH APP FEATURES
- Automatic fall and drop detection (accelerometer freefall + impact)
- One-tap boulder logging with double-tap to undo
- Optional HR auto-detection (BETA, enable from the menu)
- Walking detection suppresses false positives between routes
- Multi-page display: main stats, details, boulder timeline, impact, sync, session fingerprint, HR zones, HR timeline
- Phase tracking: Warm-up / Climbing / Cool-down
- Custom FIT fields: boulder count, drops, phase, HR zone, max impact, impact score
- Live sync every 10 seconds to the companion web app
COMPANION WEB APP (free)
Follow your session live in any browser via QR code - no install needed. After each session: detailed stats, HR zones, trends and personal records.
- Live session view (syncs automatically while you climb)
- Session history with charts, stats and a 5-axis "session fingerprint" (BETA)
- FIT file upload for offline or after-the-fact sessions
- Personal records and 4-week trend analysis
- Free at https://garmin-boulder-app.web.app
SUPPORTED DEVICES
Venu 3, Venu 3S, Venu 2, Venu 2 Plus, Venu 4 (41 mm / 45 mm),
Forerunner 265, Forerunner 265S, Forerunner 570/965/970,
Fenix 8, Fenix 8 Pro, Epix 2, Epix 2 Pro, D2 Air X10, D2 Mach 1/2,
Vivoactive 5/6, Approach S50/S70, Descent Mk3/G2, MARQ 2, and more.
FREE - No subscription, no ads, no account required on the watch.
The companion web app requires a Google account for cross-device history.
ACCURACY NOTE
We are honest about what is reliable and what is still being tuned. Fall detection and manual logging are accurate. HR-based auto-detection is a BETA experiment - useful, but it may miss short routes or trigger on cardio between climbs. The session fingerprint is also a BETA visualization. The watch always shows you the totals so you can verify and undo with a double-tap.
GRADE LOGGING & TOUCH
Optional per-climb grade logging uses the touchscreen. On Fenix, Forerunner and Epix watches the touchscreen is off during activities by default - enable Touch during activities in the watch's system settings to use grade logging while recording. Boulder counting, fall detection and live sync work on every supported watch regardless.
FEEDBACK & SOURCE
Questions, feedback, or bug reports: open an issue on the project page.
What's new
What's new in this release:
- Per-climb grade logging with an on-watch grade pyramid (V-scale / Font / UIAA / Saxon)
- Send vs attempt tracking; one-tap logging with double-tap to undo
- Competition tick-list mode to track a set of problems
- Session fingerprint, HR zones and HR timeline, boulder timeline
- More reliable drop and fall detection
- Free companion web app: live session view, personal records, 4-week trends
- Clearer, consistent on-watch controls and button labels
- Reliability and live-sync improvements