[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"feature-flags":3,"$fbQnyFF5A4FkGC0TprIUBbaDVH8DqmENz5X9C6wu61NA":-1,"$fztUgdwdToBwB-vsHe6_fyMXcCsB2IMFvSoqxxdBmjsU":5},{"homepage_proof_v2":4,"homepage_hero_cta_v2":4,"welcome_immediate_v1":4,"lifecycle_events_v1":4,"funnel_tracking_v1":4,"activation_reward_v1":4,"promo_codes_v1":4,"referral_v1":4,"pro_signup_bonus_v1":4,"pro_space_v1":4,"trial_express_v1":4,"microscope_v1":4,"login_page_v2":4,"signup_magic_reminder_v1":4,"first_session_48h_v1":4,"onboarding_purge_v1":4,"runner_profile_v1":4},true,{"permalink":6,"name":7,"seoTitle":8,"startDate":9,"endDate":9,"country":10,"countryIso":11,"city":12,"location":13,"disciplines":14,"distances":16,"participantsEstimate":8,"bigEventFlag":19,"featured":19,"websiteUrl":20,"registrationUrl":8,"registrationOpenDate":8,"registrationOpenTime":8,"registrationCloseDate":8,"registrationOpenUrl":8,"registrationOpenStatus":8,"description":21,"descriptionLocale":22,"availableLocales":23,"screenshotUrl":8,"department":25,"departmentSlug":8,"distanceHubs":26,"usDistanceHubs":27,"state":36,"regionHub":40,"hasFiche":4,"isRunning":4,"duplicateOfPermalink":8,"isPast":19,"nextEditionPermalink":8,"region":42,"geo":43,"edition":46,"tags":48,"races":54,"nearby":61},"skyline-50k-endurance-run","Skyline 50k Endurance Run",null,"2027-08-01","United States","US","Castro Valley","Castro Valley, CA",[15],"Trail",[17,18],"21 km","50 km",false,"http:\u002F\u002Fscenaperformance.com\u002Fevents\u002Fskyline-50k\u002F","\u003Cp>\u003Cstrong>Skyline 50k Endurance Run\u003C\u002Fstrong> is held on August 1, 2027, in Castro Valley, California. The 50K (31.1 mi) starts at 7:00 a.m. and a 21 km (13 mi) option at 8:30 a.m. No elevation gain is listed.\u003C\u002Fp>\u003Cp>The East Bay hills are steep and largely unshaded, and August in the region means a hot afternoon for anyone still out on the 50K after midday: plan on carrying more water between stations than a cooler-weather ultra would need. If it is your first 50K, use the 7:00 a.m. start to bank the early miles at a conservative effort — the cool hours are worth more here than any late surge.\u003C\u002Fp>","en",[24,22],"fr","Comté d'Alameda",[],[28,32],{"slug":29,"count":30,"path":31},"trail",118,"\u002Fen\u002Fruns\u002Fus\u002Fcalifornia\u002Ftrail",{"slug":33,"count":34,"path":35},"ultra-marathon",50,"\u002Fen\u002Fruns\u002Fus\u002Fcalifornia\u002Fultra-marathon",{"code":37,"name":38,"slug":39},"CA","California","california",{"slug":39,"name":38,"code":37,"country":11,"path":41},"\u002Fen\u002Fruns\u002Fus\u002Fcalifornia","Californie",{"lat":44,"lng":45},37.6955029,-122.0738678,{"year":47,"number":8,"firstYear":8},2027,[49,50,51,52,53],"forest","altitude","mountain","off-road","lakes-ponds",[55,58],{"name":56,"distanceFormatted":8,"distanceMeters":57,"discipline":8,"elevationGain":8,"itraPoints":8,"date":8,"time":8,"lastEditionFinisherCount":8},"50K",50000,{"name":59,"distanceFormatted":8,"distanceMeters":60,"discipline":8,"elevationGain":8,"itraPoints":8,"date":8,"time":8,"lastEditionFinisherCount":8},"21K",21000,[62,70,80,90,98,107],{"permalink":63,"name":64,"startDate":65,"city":13,"distances":66,"distanceKm":68,"ficheLocales":69},"lake-chabot-trail-run","Lake Chabot Trail Run","2026-11-07",[67],"3.1 mi",0,[22],{"permalink":71,"name":72,"startDate":73,"city":13,"distances":74,"distanceKm":78,"ficheLocales":79},"brazen-almost-new-year-s-eve","Brazen New Year's Eve","2027-01-01",[75,76,77],"13.2 mi","10 km","5 km",1,[22],{"permalink":81,"name":82,"startDate":65,"city":13,"distances":83,"distanceKm":88,"ficheLocales":89},"lake-chabot-trail-run-nov","Lake Chabot Trail Run (Nov)",[84,85,86,87],"7.7 km","21.0975 km","30 km","42.2 km",3,[22],{"permalink":91,"name":92,"startDate":73,"city":13,"distances":93,"distanceKm":88,"ficheLocales":97},"brazen-new-year-runs","Brazen New Year Runs",[94,95,96],"5.2 km","10.3 km","21.1 km",[22],{"permalink":99,"name":100,"startDate":101,"city":102,"distances":103,"distanceKm":105,"ficheLocales":106},"quarry-turkey-half-marathon-10k-5k","Quarry Turkey Half Marathon\u002F10K\u002F5K","2026-11-28","Union City, CA",[104,76,77],"13.1 mi",14,[22],{"permalink":108,"name":109,"startDate":110,"city":111,"distances":112,"distanceKm":114,"ficheLocales":115},"san-ramon-the-run-for-education","San Ramon The Run for Education","2026-10-11","Danville, CA",[76,77,113],"1.5 mi",17,[]]