Every Sun., Tues., & Wed. Runners of all abilities invited to join a run of 3–5 miles along varying routes from different locations. Rain or shine. Dozer Coffee (8 a.m. Sun. & 7 a.m. Tues.), 112 Jackson Plz., (734) 929–9022 & Fleet Feet (7 p.m. Wed.), 123 E. Liberty, (734) 769–5016. Free. fleetfeetsemichigan.com.

July 31–Aug. 2 & Aug. 13–16. Equine competition combining artistry and technical abilities highlighted by graceful freestyle routines set to music. No pets. Concessions. 8 a.m.–5 p.m., 11500 Glenn at Katz (west off Mount Hope Rd. from I-94 exit 150), Grass Lake. Free. [email protected].

Every Tues.–Sun. All age 6 & up invited into the museum’s labs to use scientific tools and museum specimens. The newest program lets participants try out simulated snake senses to experience the world as if they were a snake. No live snakes. 11 a.m.–3 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org.

Every Sun. All invited to a relaxed pickup game of this spirited team sport played with a flying disc. Note: Overly competitive players are politely asked to leave. 11:15 a.m., Fuller Park, just west of the pool & parking lot (or occasionally across the street). Free. (734) 846–9418, [email protected].

Members of the Michigan stage combat troupe Theatrica Gladiatoria demonstrate choreographed sword fighting, martial arts, and other stunts. Noon–1 p.m., AADL Downtown. Free. (734) 327–4200.

All-ages team-based crafting competition. Each team will have one hour to design and build a craft project using common tools and secret craft supplies that are revealed at the time of the event. Prizes for top finishers. Noon–3 p.m., AADL Downtown, lower level program rm. Free. (734) 327–4200.  

Every Sun. All invited to play one of a wide variety of board games in a casual, friendly atmosphere. Instruction provided. Also, on Aug. 2, game playtesting with Michigame Design Lab (2 p.m.), during which players are invited to try out new board and card games from local designers Bruce Bielawa & Joe Hopkins and provide feedback. Noon–6 p.m., 2459 W. Stadium. Free. sylvanfactory.com.

Every Sat. & Sun. Hands-on 20-minute family-oriented demo for kids age 5 & up that uses museum specimens to explore paleontology and what can be learned from giant bones and fossils. 12:30 & 2:30 p.m., 1105 North University. Free. (734) 764–0478, ummnh.org. 

Every Sun.–Thurs. (different times). All invited to work on their knitting, crochet, weaving, and embroidery projects. 1–3 p.m. (Sun.) & 6–8 p.m. (Mon.–Thurs.), 401 N. Fourth Ave. Free. (734) 780–7867. 

All invited to tour the house and farm, as well as to join docents and board members in inventorying & cataloging items and cleaning the museum. 1–3 p.m., 2718 Packard. Free. cobblestonefarm.org.

Craft activity for adults & teens. Involves the use of sharp needles. 1–4:30 p.m., AADL Malletts Creek. Free. (734) 327–4200.

Every Sun. Thirty-minute tour that uses the museum’s specimens to tell the story of prehistoric whales and dolphins, who had 4 limbs and walked on land. 1:30 p.m., 1105 North University. Free. Limited capacity. Sign up at the welcome desk. (734) 764–0478.