BEGAN AT THE END OF APRIL. ALMOST HALF OF ALL CASUALTIES HAVE BEEN WOMEN AND CHILDREN. >>> ONE OF THE EVENTS INTERNET'S OLYMPICS IS INDIVIDUAL TRIATHLON. A WOMAN WHO LIVED IN DURHAM IS AMONG THOSE COMPETING. >> Reporter: SUMMER RAPPAPORT MOVED TO DURHAM IN 2024 HER HUSBAND 'S JOB AND SHE GOT VERY FAMILIAR WITH ALL OF THE LOCAL TRAILS. THIS IS ONE OF HER FAVORITES. YOU MAY HAVE SEEN HER FLYING BY YOU HERE ON THE AMERICAN TOBACCO TRAIL. >> Reporter: WHEN SUMMER RAPPAPORT IS ON DURHAM, YOU WILL FIND HER RUNNING THE TRAILS AND HERE EVERY DAY, SWIMMING LAPS AT THE HOLLOW ROCK SWIM CLUB. >> IF SHE WERE OUT HERE RIGHT NOW, WOULD IT BE OBVIOUS THAT SHE IS A LITTLE BIT ABOVE THE REST? >> YES. THE SMOOTHNESS IN THE WATERS IMPECCABLE. >> Reporter: CHRISTOPHER JACKSON IS THE SYSTEM MANAGER. HE SAYS BECAUSE SHE IS SO HUMBLE, MANY OF THE MEMBERS DID NOT EVEN KNOW AN OLYMPIAN WAS IN THEIR MIDST. >> SHE JUST DOES THE WORK AND KIND OF LEAVES WHAT SHE IS DOING ON THE WATER AND ON THE TRACK AND LET THE COURSE DO THE TALKING. >> Reporter: HER HUSBAND COULD NOT BE MORE PROUD. HER OLYMPIC DREAM, HE SAYS, STARTED WHEN SHE WAS JUST A LITTLE GIRL WATCHING THE OLYMPICS IN 2000. >> IT IS SURREAL. IT WAS THIS ABSTRACT CONCEPT FOR SO MUCH. >> Reporter: SHE WAS A COLLEGE SWIMMER AT VILLANOVA TURNED RUNNER AS WELL. THEN SHE GOT NOTICED BY USA TRIATHLON RECRUITING TEAM. ON TEAM USA THIS YEAR ARE TWO TRIATHLETES WITH TIES TO OUR AREAS. KATIE ZAFERES IS FROM CARY AND THEY GOT TO TRAIN TOGETHER. >> IT WAS A VERY DIFFICULT TIME LAST YEAR FOR EVERYONE GOING THROUGH COVID AND ESPECIALLY WHEN YOU'RE OLYMPIC DREAM IS ON HOLD. HAVING SOMEONE WHO COULD RELATE TO THAT AND BEING ABLE TO INTERACT WITH HER HELP GET THROUGH SOME OF THE DIFFICULT TIMES. >> Reporter: BECAUSE OF COVID, YOU COULD NOT TRAVEL TO TOKYO SO HE WILL BE WATCHING NERVOUSLY YET CONFIDENTLY FROM AFAR. >> SHE IS SO COOL, CALM, AND COLLECTED. I THINK SHE WILL HANDLE IT VERY WELL. SHE IS A BIG DAY RACER. SHE PERFORMS WHEN SHE NEEDS TO