Sports Pictures Editor Greg Bos has chosen an unusual picture from the Biathlon World Championships in Pyeongchang. Over to Greg:

I like the sense of tension, anticipation and fatigue in this picture. South Korean staff photographer Lee Jae-won captured the moment with great expressions on the faces of the two Slovenian athletes participating in a biathlon relay race.

Original caption: Janez Maric of Slovenia (R) tags teammate Klemen Bauer during the mixed relay race at the IBU Biathlon World Championships in Pyeongchang, east of Seoul February 19, 2009. REUTERS/Lee Jae-won (SOUTH KOREA)

For the previous day's picture, click here