[1] ARC 5 was a Combat sport event held by Road Fighting Championship on June 12, 2021, in Seoul, South Korea.
Two undefeated lightweight prospects, Jung Hyun Lee and Jo Min Su were scheduled to fight in the main event.
[4] The event featured an openweight bout between the South Korean actor Geum Kwang San and Jae Hoon Kim.
[5] One-time Road FC featherweight title challenger Hae Jin Park was scheduled to meet Doo Seok Oh in the event's featured bout.
[10] A fight for the vacant ROAD FC Women's Atomweight title between Park Jeong-Eun and Shin Yu-Ri was scheduled as the co-main event.