How does the author of "a relay race to remember" use foreshadowing to create tension in the story?

The author in "A Relay Race to Remember" uses foreshadowing by showing that Malik’s ankleis rapidly getting worse. ByMalik’s ankle getting worse, Sean has to take over and swim for him. Sean has doubtedhimself because he isn’tas good of a swimmer as Malik is. To conclude, Sean wins the race from practicing and giving himself determination