{"slug": "mach-loop-four-hundred-27-1161", "name": "Mach Loop Four Hundred", "url": "https://ultracyclinghub.com/events/mach-loop-four-hundred-27-1161/", "kind": "adventure", "discipline": "road", "surface": "Road", "country": "United Kingdom", "country_code": "GB", "description": "ACP Brevet des Randonneurs Mondiaux (BRM) of 400 km (about 408 km) organised by Mike Kear. Audax UK code 27-1161.", "official_url": "https://www.audax.uk/event-details?id=15065", "brevet": true, "verified_on": "2026-10-15", "needs_recheck": false, "editions": [{"id": 614, "url": "https://ultracyclinghub.com/events/mach-loop-four-hundred-27-1161/2027/400-km/", "year": 2027, "label": "400 km", "status": "confirmed", "display_status": "Dates confirmed", "start_date": "2027-07-03", "end_date": "2027-07-04", "end_date_estimated": false, "start_location": "Chepstow", "latitude": 51.6409, "longitude": -2.6767, "distance_km": 408, "elevation_m": 5375, "time_limit_hours": 27, "support": "unknown", "registration": "open", "registration_url": "https://www.audax.uk/choose-a-ride/event-entry?eventId=15065", "registration_opens": null, "registration_closes": "2027-06-06", "entry_fee": "10.00", "currency": "GBP", "finish_location": "Chepstow", "notes": "- Start 06:00; ACP Brevet des Randonneurs Mondiaux (BRM)\r\n- Entry fee GBP 10.00 online", "follow_url": "", "source_url": "https://www.audax.uk/event-details?id=15065", "verified_on": "2026-10-15", "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=15065", "checked_on": "2026-10-15", "facts": "Source lists the 2027 400 km edition; start 2027-07-03; distance 408 km; entry fee 10.00 GBP.", "edition_id": 614}]}