they are combined into one a so called laser run. athletes run four 800 metre laps with range shooting in between. french made up the 15 second gap on the leader to become britain s second women s modern pentathlon champion three more medals came within the space of a little over an hour in the olympic stadium. both 4 by 100 metres relay teams got on the podium, with the men s team settling for silver after being inches away from gold. cj ujah, zharnel hughes, richard kilty and nethaneel mitchell bla ke, who was run down by the italian runner on the final leg. it wasn t marcelljacobs who won the individual gold earlier in the week, but filippo tortu. that was the difference, just 100th of a second. canada third. it was bronze in the women s event. asha philip, imani lansico, dina asher smith and daryll neita led team gb to third, finishing behind winners jamaica and silver medallists usa. also on the track, laura muir has won a silver in the women s1500 metres,