Watch The Promo For The Flash 6×10 Trailer “Marathon”

The promo for the new episode of The Flash has been released. This new episode is titled “Marathon” and it will air on February 4.

An official description for this episode has yet to be released by The CW. However, after the events of “Crisis On Infinite Earths” the group is still coming to terms with their recent tragedy when a villain with a grudge against The Flash begins hunting down those he cares about.