Space Tunnel Run takes you to a chain of 4 famous mountains namely Sze Pai Shek Shan (290m), Tseng Hang Shan (235m), Cheung Ngau Shan (220m) and Ho Hok Shan (149m), followed by the instagrammable "Space Tunnel” in Yuen Long,

Although the course does not have big climbs and difficult elevation profile, running up and down these 4 mountains in one go with sections of technical terrain requiring every ounce of concentration, and it is definitely challenging.

The race course of Space Tunnel Run combines both road and trail running which makes the race more competitive.
 
Space Tunnel Run  比賽路線會先連續登上元朗四座有名的山，即四排石山 (290米)、井坑山 (235米)、 掌牛山 (220米)及 蠔殼山 (149米)， 終點在「時光隧道」。

比賽路線雖然沒有太大攀升及波幅，但要一氣呵成完成包含技術性路面的四山連走，需要參賽者全神貫注，極具挑戰性。

Space Tunnel Run 賽事賽道結合路跑及越野跑，增加賽事競爭性。