cheered on by her classmates, miki picked up speed. miki came in sixth. her time was better than she expected. >> i'll get a gold medal even though i'm a mom. >> miki recorded her personal best on the 1,000 meters, too. >> wow. everyone's improved. >> what group will miki be placed in? "a" clasp the color of her helmet will also change from red to white. >> i'm going to be training with people who are faster than me. i want to absorb as much as i can from them. >> but, something terrible happened to miki in july. she suddenly started to experience severe pain in her groin. maybe she trained too hard. >> it hurt even when i sneeze. >> how about walking? >> it's difficult. >> miki immediately went to see a doctor at a university hospital. fortunately, it wasn't serious. but the doctor told her that she must not ride a bicycle until the pain went away. it's been two weeks since miki injured herself. she trains with exercises that don't stress her legs. it's almost the start of the school's summer holiday. miki was really looking forward to this day. >> it fe