Summer McIntosh wins third gold of swimming worlds; Léon Marchand wins 200 IM

Canadian star Summer McIntosh continued her dominance Thursday at the world championships, challenging the world record in the women’s 200-meter butterfly while cruising to yet another win as she pursues history in Singapore. McIntosh jumped out fast, led by 0.68 seconds after 50 meters and was never threatened, finishing in a world-championship record 2:01.99, 0.18 off the all-time mark set in 2009 by China’s Liu Zige. McIntosh was ahead of the pace at the 150-meter mark but slipped just behind