Running without the OnTracx sensor and still tracking load data is possible. In that case, OnTracx will show an estimated load (instead of a measured load) using a general model and you can improve the accuracy of that estimate by:
Completing an OnTracx Load Screening with guidance from a professional
Adding historical sensor-based runs to your account
Because this load is estimated, it’s inherently less precise than sensor-measured load. Still, internal testing shows the estimates can be highly accurate for cumulative session load when they’re informed by a screening and/or historical sensor runs making sensor-free runs a practical way to keep your progression chart complete when you don’t want to wear your sensor every time.
Link External Services
Connect Strava and/or Garmin to sync your GPS runs automatically to OnTracx.
Via the OnTracx app
Open the OnTracx app and log in.
Tap your profile icon (top left).
Select Third-Party Integrations → STRAVA or GARMIN → Connect with STRAVA or GARMIN.
Log in to STRAVA or GARMIN and confirm that you want to connect OnTracx.
Via the OnTracx web account
Surf to pro.ontracx.com and log in.
If you use the same email for a professional and athlete account, switch to your runner dashboard via Settings ⚙️ (bottom left) → Account Type → Personal.
Tap your the Settings icon (bottom left).
Select Integrations → STRAVA or GARMIN → Connect with STRAVA or GARMIN.
Log in to STRAVA or GARMIN and confirm that you want to connect OnTracx.
ℹ️ Once connected, every run recorded in Strava or Garmin will sync to OnTracx automatically in the background.
✅ Enjoy switching smoothly between sensor-based and sensor-free runs, without leaving your progression chart empty.