1. For a unique perspective of the area, consider climbing the Sydney Olympic Park Arch. It offers panoramic views of the park and the city beyond.
   
2. Play Sports: Sydney Olympic Park has facilities for various sports, including tennis, basketball, netball, and more. You can rent courts or fields for friendly matches or practice sessions.
   
3. Go on a Segway Tour: Explore the park on a guided Segway tour, which can be a fun and unique way to see the sights.
   
4. Picnic and BBQ: Many areas within the park have designated picnic and BBQ things to do Olympic Park spots. It's a great way to relax and enjoy the outdoors.
   
5. Visit the Brickpit Ring Walk: This elevated boardwalk allows you to explore a rehabilitated industrial site and wetlands area, offering insights into the park's ecological efforts.
   
6. Discover Indigenous Heritage: Learn about the rich indigenous history of the area by exploring sites like the Yurong Precinct, which includes artworks and interpretive signs.
   
7. Join Fitness Classes: The park often hosts fitness classes, yoga sessions, and other wellness activities. Check the schedule for classes that interest you.
   

Remember that the availability of activities and events might vary depending on the time of year and current circumstances. It's a good idea to check the official Sydney Olympic Park website for the latest information and event schedules before planning your visit.