keo nha cai c1 Marathon, with the theme “Green Up”, aims to promote a healthy lifestyle through a joyful, sporty, energetic, and green marathon. The event is not only a race to win the championship but also an opportunity to promote a sustainable and eco-friendly lifestyle. With the theme ""Green Up"", the keo nha cai c1 Binh Duong Half Marathon 2023 will make use of recycled and environmentally friendly materials. Moreover, for every 5km that athletes complete, keo nha cai c1 will plant one more tree in Vietnam’s journey towards a greener environment.