Ballet In The Park: 7 p.m. Saturday, Boulder Central Park Bandshell, 1212 Canyon Blvd., Boulder. Join for a vibrant celebration of dance as Boulder Ballet presents a dynamic mixed repertoire program. This special event brings together a curated selection of captivating short works, showcasing the company’s artistic range and highlighting the season’s most memorable performances. $5, 303-443-0028, boulderballet.org.

Colorado Triathlon: 5:45 a.m. Saturday, Boulder Reservoir, 5100 51st St., Boulder. Colorado Triathlon is where Colorado comes to race, featuring sprint and Olympic distances, duathlon and aqua bike options. There will be food and beverages provided by Noodles & Co., athlete hoodie sweatshirts and swag bags. $100-$155, withoutlimits.co.

Summer Yoga Series: 9 a.m. Saturday, Museum of Boulder, 2205 Broadway, Boulder. Start Saturday with an invigorating and relaxing rooftop yoga class that enhances the mind-body connection. This all-levels yoga class will take participants through a slow sequence of satisfying poses that promote strength, mobility, balance and ease as they enjoy a beautiful view of the Flatirons. This class is appropriate for all levels of experience, and modifications will be offered. Bring a mat from home. $23, museumofboulder.org.

Rock & Reuse plant and garden sale: 9 a.m. Saturday, Resource Central , 6400 Arapahoe Road, Boulder. Shop waterwise plants and reclaimed garden supplies at Resource Central’s summer plant and garden sale. Featuring live music, glass blowing, a U-Fix-It lamp clinic, local artists and more, it’s a celebration of reuse, community and sustainable gardening. Free, resourcecentral.org.

“Rumpelstiltskin and Other Tricksters” performance: 10 a.m. Saturday, Chautauqua Picnic Shelter, 900 Baseline Road, Boulder. Rumpelstiltskin theatre hikes take place every Saturday and Sunday through July 6. In “Rumpelstiltskin and Other Tricksters,” by Patti Murtha, liars will lie, cheaters will cheat and scoundrels will … scound. But fret not, because there is always someone brave enough to combat those who would bring us down for their own selfish reasons. Head to the trail to learn the tails of terrible tricksters and the heroes who thwart them and get revenge for all. The hike will be moderate. Bring water, snacks, hats, umbrellas, sunscreen, blankets to sit on and/or lightweight camping chairs. $20.73-$26.88, chautauqua.com.

Boulder Jewish Festival: 1 a.m. Sunday, 1300 Pearl Street, 1300 Pearl St., Boulder. Join for a thoughtfully reimagined version of the 30th anniversary of the Boulder Jewish Festival. “Run For Their Lives” will be centered to bring increased awareness to the hostages still held in Gaza, while making space to recognize the survivors of Sunday’s attack. Free, 239-272-9099, boulderjcc.org.

Wildflower hike: 1 p.m. Sunday, Colorado Chautauqua Academic Hall, 298 Morning Glory Road, Boulder. Join for a 2-mile, all-levels hike through Chautauqua’s scenic trails. Enjoy the beauty of native wildflowers and the Boulder Flatirons. Expect a 500-foot elevation gain. Wear layers, sturdy shoes and bring water. Hikers will be required to sign an experience event liability waiver when checking in for the hike. Free, chautauqua.com.

“Frozen” sing-a-long: 1:30 p.m. Sunday, Boulder Public Library, 1001 Arapahoe Ave., Boulder. Bring kids to a move and a sing-a-long. Everyone is encouraged to sing. Today’s screening will be “Frozen.” Fearless optimist Anna teams up with rugged mountain man Kristoff and his loyal reindeer Sven in an epic journey to find Anna’s sister Elsa, whose icy powers have trapped the kingdom of Arendelle in eternal winter. calendar.boulderlibrary.org.

Gisele Duquè concert: 6:30 p.m. Sunday, Full Cycle Cafe & Bar, 2355 30th St., Boulder. Get swept into the spirit of Brazil with Gisele Duquè, a bold new voice in Brazilian music, delivering a night of samba, soul and swing with raw energy and refined artistry featuring an all-Brazilian band led by guitarist and local favorite Gabriel Santiago. With roots in Bahia, Rio and São Paulo, the group brings the full spectrum of Brazilian sound — from soulful sambas and funky grooves to reimagined classics and vibrant originals, all performed with fire and finesse. $20-$25, fullcyclecafebar.eventcalendarapp.com.

Editor’s note: Availability and scheduling of events may be subject to change.