DUV Ultramarathon Statistics

https://statistik.d-u-v.org/ is the canonical database of ultramarathon results worldwide. It has no documented API, but it does have a JSON one: the json/m*.php endpoints that feed the DUV mobile app return clean JSON for runners, events, results, rankings, the calendar and national records. Use those first; scrape the HTML only for the handful of pages without a JSON twin. Everything is public and unauthenticated — but volunteer-run, so keep requests sequential and spaced.

Fastest path: the bundled client

scripts/duv.py (Python 3, standard library) wraps every JSON endpoint and prints CSV by default (--format md|json, --out FILE). Run it from the skill directory: