If the sports and clubs are stressful, your kid should find other activities.

I did everything you mentioned in the nineties and aughts (my sport was year round and coach expected us to travel on our own dime to tournaments that lasted the entire weekend at least four times in the summer, and during the school year I was out of town most Sat-Sun at tournaments, which take way more time than the couple hours a volleyball game lasts or whatever), and volunteer activities that lasted until 10pm for a few week stretches a few times a year.

I had a blast doing things I loved. Counting travel, 30+ hours a week of sports. School from 6:30 to 3:30 (because I took an extra AP physics class that happened before school officially started). I acted in community theatre. I did martial arts. I quit tennis to teach acting for the YMCA my senior year.

Why doesn't your kid love the sport she plays? Why doesn't she love the volunteer activities? Those are meant to be FUN. Like, that's why the colleges want them: to see why she's an interesting person, not a time-management robot. They can tell these things, so stop gaming the system ad find a hobby she'll be so obsessed with that she'll write a college entrance essay all about how it made her a more interesting person.

There is no adcom in the world that is trying to find a selfless 17yo who does drudgery because it's expected of them. They're trying to find people who LOVE building for Habitat, who want to be chefs and serve at a soup kitchen, who LOVE God and ran tech support during COVID for their church livestream, etc.