Last-minute sales and events

Start the weekend on a healthy high note. Exhale's Core Fusion Sport class incorporates resistance bands, core balls and mat work with occasional cardio bursts to keep your heart pumping. Plan on working out your entire body and sweating up a storm; the classroom takes place in a heated room. Refuel with Whole Foods snacks and browse the selection of discounts at the boutique after class. Bonus point: Bring your sig o and receive a complimentary class pass for a future visit. $24. 945 N State St (312-988-9299, exhalespa.com). Fri 21, 6:30–7:30pm.

We're getting pumped for our visit to Train Chicago next week (read more on that in a few weeks), but beat us to the punch by checking out Mike Thomson's free seminar this Saturday. Learn how to avoid the most common running injuries with drills and tips. Free. 309 W Chicago Ave. Sat 22, noon.

If you haven't made it to Pilsen's Architectural Anarchy, save yourself the haul tonight and head to this pop-up gallery-cum-shop co-hosted by the Chicago Urban Art Society and curated by Architectural Anarchy. Check out salvaged goods, art and antiques. The gallery will remain open through the end of March, with Monday through Saturday hours of 11:30am to 5:30pm. Free, 205 S State St. Fri 21, 6–10pm.