{"slug": "brimstone-600-27-1140", "name": "Brimstone 600", "url": "https://ultracyclinghub.com/events/brimstone-600-27-1140/", "kind": "adventure", "discipline": "road", "surface": "Road", "country": "United Kingdom", "country_code": "GB", "description": "BRM qualifying for Paris-Brest-Paris of 600 km (about 602 km) organised by Peter Treviss. Audax UK code 27-1140.", "official_url": "https://www.audax.uk/event-details?id=14991", "brevet": true, "verified_on": "2026-10-15", "needs_recheck": false, "editions": [{"id": 575, "url": "https://ultracyclinghub.com/events/brimstone-600-27-1140/2027/600-km/", "year": 2027, "label": "600 km", "status": "confirmed", "display_status": "Dates confirmed", "start_date": "2027-05-29", "end_date": "2027-05-30", "end_date_estimated": false, "start_location": "Poole", "latitude": 50.7402, "longitude": -1.9537, "distance_km": 602, "elevation_m": 7560, "time_limit_hours": 40, "support": "unknown", "registration": "open", "registration_url": "https://www.audax.uk/event-details?id=14991", "registration_opens": "2026-11-01", "registration_closes": "2027-05-16", "entry_fee": "15.00", "currency": "GBP", "finish_location": "Poole", "notes": "- Start 06:00, counts for PBP\r\n- Entry GBP 15 online", "follow_url": "", "source_url": "https://www.audax.uk/event-details?id=14991", "verified_on": "2026-11-02", "needs_recheck": false, "entry_status": "open", "entry_status_label": "Open for entry"}], "sources": [{"title": "Audax UK event listing", "url": "https://www.audax.uk/event-details?id=14991", "checked_on": "2026-10-15", "facts": "Source lists the 2027 600 km edition; start 2027-05-29; distance 602 km; entry fee 15.00 GBP.", "edition_id": 575}]}