Sources & credits
We try to be transparent about where every piece of data on this site comes from. Schedule data is pulled from the providers below; weather and maps come from the listed third-party services; the atmospheric imagery is original artwork shipped with the site.
League schedules
Schedule data sourced from the Jolpica F1 API, an open-source successor to the retired Ergast Developer API. Used in accordance with their public terms.
Schedule scraped from the official FIA Formula 2 calendar; falls back to a JSON snapshot in the repo when live data is unavailable.
Schedule scraped from the official FIA Formula 3 calendar; falls back to a JSON snapshot in the repo when live data is unavailable.
Schedule scraped from the official British F4 calendar; falls back to a JSON snapshot when live data is unavailable.
Schedule scraped from the official GT World Challenge Europe calendar; falls back to a JSON snapshot when live data is unavailable.
Schedule scraped from the official Porsche Carrera Cup Scandinavia site; falls back to a JSON snapshot when live data is unavailable.
Schedule scraped from the official IndyCar schedule page; times converted from US Eastern Time. Falls back to a JSON snapshot when live data is unavailable.
Schedule scraped from the official British Touring Car Championship calendar; falls back to a JSON snapshot when live data is unavailable.
Schedule scraped from the official Intercontinental GT Challenge calendar; falls back to a JSON snapshot when live data is unavailable.
Other data
Race-weekend weather forecast on the event detail page
Weather data by Open-Meteo, a free non-commercial weather forecast API.
Embedded track map on the event detail page
Map tiles and data © OpenStreetMap contributors, ODbL.
Track summaries, length, established year, and Wikipedia outlinks on the circuit pages
Article text sourced from the English Wikipedia, available under the Creative Commons Attribution-ShareAlike License.
Track-layout images on the event and circuit pages
Track-layout images hosted on Wikimedia Commons; each image is shown with its original author and license. Click "Source" on any image to see the upstream Commons file page.
Imagery
Hero photos default to procedural atmospheric backdrops shipped with the site. Admins can override individual league or track heroes via the admin panel.
Disclaimer
This site is an unofficial fan-made calendar. Series names and trademarks are the property of their respective owners. Race times shown for support series often use a placeholder where the official per-session timetable hasn't been published. Always verify with the official source before making travel or viewing plans.