#ubahnchallenge
Live, measured metrics for the hashtag #ubahnchallenge from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #ubahnchallenge
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mas.to (Mastodon public tags API) · fetched 2026-09-30 14:58 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-09-30 14:58 UTCNo related tags with measured usage found for #ubahnchallenge.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-09-30 14:58 UTCEverything below is measured over the latest 11 public posts (spanning ~11 hours).
Posting hours (UTC)
Languages: English (11)
Avg boosts / post: 0.1
Top of the latest posts
Ich habe heute die sperrungsfreie Zeit bei der #Hochbahn genutzt, um in meiner an die Londoner Tube-Challenge angelehnten #UBahnChallenge, alle #Hamburg|er U-Bahnstationen in möglichst kurzer Zeit abzufahren. Ich schaffte es in 4 Stunden, 3
Die neueste Linie zum Schluss. Mit der U4 geht es jetzt noch vom Jungfernstieg zu den Elbbrücken. #UBahnChallenge #Hamburg #Jungfernstieg
In Mümmelmannsberg hatte ich wieder etwas Zeit, den Bahnhof in Szene zu setzen. Von hier geht es nun mit dem selben Zug wieder zurück bis Jungfernstieg, das wird das längste Teilstück, das ich doppelt fahre. #UBahnChallenge #Hamburg #Mümmel
#ubahnchallenge across platforms
every network with a public tag surfaceFollow #ubahnchallenge straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/ubahnchallenge