Keystone

Auditable endurance physiology from training files

New athlete

Start your Keystone profile

Use the beta access code, the email you want for login, and your original training archive.

Manual archive import

Archive import for deeper history

Use the beta access code from your coach.
Upload the original Strava export ZIP.
Keep this tab open until the completion page appears. Keystone may keep processing after that.
Save the recovery code shown on the completion page. It is shown once.

Use this path for the most complete first-time ZIP onboarding, archive completeness, older history, or when you prefer not to connect Strava.

Athlete name *Email *Beta access code *Strava export ZIP *Upload the original Strava export ZIP. Keystone reads activities.csv and imports FIT/FIT.GZ activities; TCX and GPX entries are skipped today.

Where is your trainer usually located?

Keystone applies this only to indoor rides; outdoor rides keep their recorded elevation.

Current trainer altitude ftMy trainer altitude has changed over time

Help Keystone start smarter

Optional cycling anchors. Keystone will replace formula priors with field estimates after import.

Resting HRMax HR

I have lactate or physiology test values

FAQ How Keystone works