Boulder weekend calendar: Flatiron Freddy readies for Groundhog Day

Driving the news: Flatiron Freddy, who's served as the local mascot for Groundhog Day since 2007, will make his annual appearance at Chautauqua Park Monday.

• Boulder open space rangers will follow Flatiron Freddy's spring prediction with a discussion on weather patterns, climate change and Rocky Mountain wildlife.
• The Monday event is free at the Chautauqua Ranger Cottage at 8am and also available to watch live online.

In case Al Roker-like rodents are not your thing, we have some other events in the queue this weekend:

📽️ Music Behind the Movies: The Sundance Film Festival, Grace Commons Church: Can't wait for Sundance next year? Satisfy your cinematic cravings with a live symphony performance of scores and songs from films like "Minari," "Manchester by the Sea" and "Reservoir Dogs."

• Event starts 4pm Sunday, tickets start at $40.

🚲 Old Man Winter Bike Rally, Lyon's Bohn Park: This winter endurance festival on Sunday features multiple running and bike races of varying lengths, including a 75-mile ride and a half-marathon run.

• Registration fees vary by event. Free events include a kids bike race and a party with music, drinks and bonfires.

🎻 CU Boulder Philharmonia Orchestra concert, Grusin Music Hall: CU kicks off the spring semester with a program including Ludwig van Beethoven's "Coriolan Overture," Antonín Dvorák's "American Suite" and Louise Farrenc's "Symphony No. 1."

• Event starts 7:30pm Monday, free admission.