During the Second World War, middle-distance runner Gunder Hägg set 15 world records and became a media sport star of unprecedented magnitude in Sweden. This article focuses on the role of radio broadcasts in the formation of the Swedish ‘Hägg mania’. When analysed in terms of blindness and co-presence, radio broadcasts from this era reveal how the announcers actively engaged with audiences to establish moments of suspense and ritualised drama. The concept of dimensional listening is used to explain how radio as a ‘blind’ medium could evoke forceful imagery, while the audience’s use of stopwatches to time running events offers an example of how broadcasters encouraged audience interactivity, reinforcing the experience of simultaneity and national community.

二战期间，中长跑运动员冈德·哈格 (Gunder Hägg) 创造了 15 项世界纪录，成为瑞典史无前例的媒体体育明星。本文重点介绍无线电广播在瑞典“Hägg 狂热”形成中的作用。从盲目性和共存性的角度分析，这个时代的广播揭示了播音员如何积极与观众互动，以建立悬念和仪式化的戏剧时刻。立体聆听的概念被用来解释广播作为一种“盲”媒体如何能够唤起强有力的图像，而观众使用秒表来计时活动提供了一个例子，说明广播公司如何鼓励观众互动，加强同时性和民族社区的体验.