Paul Kipsiele Koech of Kenya jumps a water obstacle in the men's 3000 metres steeplechase heat during the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow August 12, 2013. REUTERS/Kai Pfaffenbach (RUSSIA - Tags: SPORT ATHLETICS) - RTX12I3J
Paul Kipsiele Koech of Kenya jumps a water obstacle in the men's 3000 metres steeplechase heat during the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow August 12, 2013. REUTERS/Kai Pfaffenbach (RUSSIA - Tags: SPORT ATHLETICS) - RTX12I3J. © Kai Pfaffenbach / Reuters
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Koech of Kenya jumps a water obstacle in the men’s 3000 metres steeplechase heat during the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow

Paul Kipsiele Koech of Kenya jumps a water obstacle in the men’s 3000 metres steeplechase heat during the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow August 12, 2013. REUTERS/Kai Pfaffenbach (RUSSIA – Tags: SPORT ATHLETICS) – RTX12I3J

Paul Kipsiele Koech of Kenya jumps a water obstacle in the men’s 3000 metres steeplechase heat during the IAAF World Athletics Championships at the Luzhniki Stadium in Moscow.

Kai Pfaffenbach is a Germany-born photojournalist, who began working for Reuters in 1996, before coming on fulltime in 2001. See more of his work on the Reuters blog and on his personal site.

Our Photo of the Day pick highlights a moment of exceptionally strong photojournalism, culled from the daily output of wire photographers from around the world. We post a new photo every weekday—browse our past picks here.

Dan Bracaglia

Dan Bracaglia, the News & Features editor at Popular Photography, has been covering imaging and camera technology for 13 years, with work appearing—both written and photographic—in publications including American Photo magazine, Digital Photography Review, Popular Science magazine, the Star-Ledger, Sound & Vision magazine, and of course, Popular Photography. Contact the author here.

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