{"slug": "croultra24", "name": "CroUltra24", "url": "https://ultracyclinghub.com/events/croultra24/", "kind": "race", "discipline": "road", "surface": "Road", "country": "Croatia", "region": "Slavonia", "description": "A 24-hour road race on a 21 km loop in Oriovac, Croatia. The 6 and 12-hour races run at the same time.", "official_url": "https://www.croultra.com/", "verified_on": "2026-10-10", "needs_recheck": false, "editions": [{"id": 333, "url": "https://ultracyclinghub.com/events/croultra24/2027/333/", "year": 2027, "label": "24 hours", "status": "confirmed", "display_status": "Dates confirmed", "start_date": "2027-05-28", "end_date": "2027-05-29", "start_location": "Oriovac", "latitude": 45.16627, "longitude": 17.75372, "distance_km": null, "elevation_m": null, "time_limit_hours": 24, "support": "supported", "registration": "open", "registration_url": "", "registration_opens": null, "registration_closes": null, "entry_fee": "220.00", "currency": "EUR", "entry_requirements": "", "route_summary": "", "route_url": "", "finish_location": "Oriovac", "logistics": "", "notes": "- 21 km loop\r\n- Start Fri 28 May at 18:00\r\n- Teams of 2 or 4 in the 24h", "follow_url": "", "source_url": "https://www.croultra.com/", "verified_on": "2026-10-10", "needs_recheck": false}, {"id": 334, "url": "https://ultracyclinghub.com/events/croultra24/2027/334/", "year": 2027, "label": "12 hours", "status": "confirmed", "display_status": "Dates confirmed", "start_date": "2027-05-28", "end_date": "2027-05-29", "start_location": "Oriovac", "latitude": 45.16627, "longitude": 17.75372, "distance_km": null, "elevation_m": null, "time_limit_hours": 12, "support": "supported", "registration": "open", "registration_url": "", "registration_opens": null, "registration_closes": null, "entry_fee": "130.00", "currency": "EUR", "entry_requirements": "", "route_summary": "", "route_url": "", "finish_location": "Oriovac", "logistics": "", "notes": "- 21 km loop\r\n- Start Fri 28 May at 18:00\r\n- Teams of 2 or 4 in the 24h", "follow_url": "", "source_url": "https://www.croultra.com/", "verified_on": "2026-10-10", "needs_recheck": false}], "sources": [{"title": "Official site", "url": "https://www.croultra.com/", "checked_on": "2026-10-10", "facts": "Dates, route and entry details for 2027.", "edition_id": null}]}