{"slug": "wiselka-500", "name": "Wisełka 500", "url": "https://ultracyclinghub.com/events/wiselka-500/", "kind": "race", "discipline": "gravel", "surface": "Gravel", "country": "Poland", "region": "Vistula valley", "description": "500 km Vistula ride from Warsaw to Gdańsk. The shorter sister of Wisła 1200.", "official_url": "https://kolarstwoprzygodowe.pl/en/wiselka-500/", "verified_on": "2026-10-09", "needs_recheck": false, "editions": [{"id": 192, "url": "https://ultracyclinghub.com/events/wiselka-500/2027/192/", "year": 2027, "label": "500 km", "status": "confirmed", "display_status": "Dates confirmed", "start_date": "2027-07-07", "end_date": "2027-07-11", "start_location": "Warsaw", "latitude": 52.23337, "longitude": 21.07115, "distance_km": 500, "elevation_m": null, "time_limit_hours": null, "support": "self", "registration": "unknown", "registration_url": "", "registration_opens": null, "registration_closes": null, "entry_fee": null, "currency": "PLN", "entry_requirements": "", "route_summary": "", "route_url": "", "finish_location": "Gdańsk", "logistics": "", "notes": "- 7–11 Jul 2027", "follow_url": "", "source_url": "https://kolarstwoprzygodowe.pl/en/wiselka-500/", "verified_on": "2026-10-09", "needs_recheck": false}], "sources": [{"title": "Official site", "url": "https://kolarstwoprzygodowe.pl/en/wiselka-500/", "checked_on": "2026-10-09", "facts": "2027", "edition_id": null}]}