[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"feature-flags":3,"$fbQnyFF5A4FkGC0TprIUBbaDVH8DqmENz5X9C6wu61NA":-1,"$fL0qqBIlZGFNkwsZ9_4JahuypNYYYm6mXvBt3v8_kp0E":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,"session_reminder_v1":4},true,{"permalink":6,"name":7,"seoTitle":8,"startDate":9,"endDate":8,"country":10,"countryIso":11,"city":12,"location":12,"disciplines":13,"distances":15,"participantsEstimate":8,"bigEventFlag":18,"featured":18,"websiteUrl":19,"socialLinks":20,"registrationUrl":21,"registrationOpenDate":8,"registrationOpenTime":8,"registrationCloseDate":8,"registrationOpenUrl":8,"registrationOpenStatus":8,"entry":8,"description":22,"descriptionLocale":23,"availableLocales":24,"screenshotUrl":8,"department":8,"departmentSlug":8,"distanceHubs":26,"usDistanceHubs":27,"state":8,"regionHub":8,"hasFiche":4,"isRunning":4,"duplicateOfPermalink":8,"isPast":18,"isStale":18,"indexableLocales":28,"nextEditionPermalink":8,"provisional":8,"region":8,"geo":29,"edition":32,"tags":34,"races":35,"nearby":42},"atw-stevenage-winter-half-marathon-10k","ATW Stevenage Winter Half Marathon & 10K",null,"2026-12-13","United Kingdom","GB","Stevenage",[14],"Course",[16,17],"21.1 km","10 km",false,"https:\u002F\u002Fwww.atwevents.co.uk\u002Fe\u002Fatw-stevenage-winter-half-marathon-and-10k-11765",[],"https:\u002F\u002Fworldsmarathons.com\u002Fmarathon\u002Fstevenage-winter-half-marathon-10k\u002Fregister?ref=Wo2X9tu","\u003Cp>The \u003Cstrong>ATW Stevenage Winter Half Marathon & 10K\u003C\u002Fstrong> takes place in Stevenage on 13 December 2026. The half marathon (21.1 km) and the 10 km start together at 09:30. No elevation gain is listed for either course, and both look like winter road races with no particular difficulty announced.\u003C\u002Fp>\u003Cp>A mid-December half marathon fits best into a season building towards a spring goal: it lets you check your fitness and test a pace without compromising the rest of your training. The shared start with the 10 km calls for some discipline, as it is tempting to follow runners who will stop halfway. As for kit, thin layers are the answer to the cold: you should feel slightly chilly for the first few minutes, otherwise you will be overheating by the fifth kilometre.\u003C\u002Fp>","en",[25,23],"fr",[],[],[25,23],{"lat":30,"lng":31},51.88753209999999,-0.1629831,{"year":33,"number":8,"firstYear":8},2026,[],[36,39],{"name":37,"distanceFormatted":8,"distanceMeters":38,"discipline":8,"elevationGain":8,"itraPoints":8,"date":9,"time":8,"lastEditionFinisherCount":8},"Half Marathon",21100,{"name":40,"distanceFormatted":8,"distanceMeters":41,"discipline":8,"elevationGain":8,"itraPoints":8,"date":9,"time":8,"lastEditionFinisherCount":8},"10k",10000,[43,51,60,69,77,85],{"permalink":44,"name":45,"startDate":46,"city":47,"distances":48,"distanceKm":49,"ficheLocales":50},"hertfordshire-half-marathon-2026","Hertfordshire Half Marathon","2026-11-01","Old Knebworth",[16,17],3,[23],{"permalink":52,"name":53,"startDate":54,"city":55,"distances":56,"distanceKm":58,"ficheLocales":59},"north-chilterns-50k","North Chilterns 50K","2026-11-21","Letchworth Garden City",[57],"50 km",15,[23],{"permalink":61,"name":62,"startDate":63,"city":64,"distances":65,"distanceKm":67,"ficheLocales":68},"atw-hatfield-5","ATW Hatfield 5","2026-11-29","Welwyn Hatfield",[66],"5 mi",16,[23],{"permalink":70,"name":71,"startDate":72,"city":73,"distances":74,"distanceKm":75,"ficheLocales":76},"atw-st-albans-new-years-eve-10k","ATW St Albans New Years Eve 10K","2026-12-31","St Albans",[17],19,[23],{"permalink":78,"name":79,"startDate":80,"city":73,"distances":81,"distanceKm":83,"ficheLocales":84},"fred-hughes-10-miles","Fred Hughes 10 Miles","2027-01-17",[82],"10 mi",21,[23],{"permalink":86,"name":87,"startDate":88,"city":89,"distances":90,"distanceKm":91,"ficheLocales":92},"chiltern-ridge-winter-50k","Chiltern Ridge Winter 50K","2026-10-31","Dacorum",[57],30,[23]]