Michal Martikan advanced to men's canoe semifinal during 2018 ICF Canoe Slalom World

Grzegorz Hedwig of Poland competes during the men's canoe (C1) semifinal during the 2018 ICF Canoe Slalom World Championships in Rio de Janeiro, Brazil, on Sept. 28, 2018. Grzegorz Hedwig failed to advance to the final with 103.78 seconds. (Xinhua/Li Ming)