Run in the marathon, go to an opera featuring local talent, rock out at a fundraiser, get goosebumps from ghost tales, listen to a blend of jazz and R&B or laugh until it hurts.

— John Coffren

Saturday: Baltimore Running Festival

Lace up your shoes for the 24th annual Baltimore Running Festival. Compete in-person or virtually in the marathon, half marathon, 10K and 5K. Runners will race around the Inner Harbor waterfront, Federal Hill and Fells Point. The full marathon starts at 8 a.m. In-person registration runs Friday from 11 a.m. to 8 p.m. Online registration ended Thursday. thebaltimoremarathon.com

Saturday

Ongoing: ‘Puccini’s La bohème’

See the timeless love story about two young artists living in 1830’s Paris when Opera Baltimore presents “Giacomo Puccini’s opera La bohème: a Baltimore Homecoming Celebration” at the Stephens Hall Theatre, 7900 York Ave., Towson University. The production features four principle singers with ties to Baltimore and Maryland: Edward Graves (Rodolfo), a Towson University graduate; Daniel Rich (Marcello), a Baltimorean and Morgan State University alum; Christian Simmons (Colline), a Morgan State graduate, and Toni Marie Palmertree (Mimì), a Peabody Conservatory alum. Show dates and times are Friday at 7:30 p.m. and Sunday at 3 p.m. Ticket prices start at $15. operabaltimore.org/la-boheme

Friday and Sunday

Friday: Hoodstock XXI

Rock out and support a good cause at Hoodstock XXI, a classic rock concert that benefits people with disabilities, at the Baltimore Museum of Industry, 1415 Key Highway. Enjoy live music, food, drinks, dancing, raffles and an online silent auction. The event is sponsored by Unified Community Connections, a nonprofit agency supporting people with disabilities. Tickets are $50 in advance and $55 the day of the event. For more information, visit unified.org/hoodstock or facebook.com/hoodstock

Friday 7 p.m. to 11 p.m.

Friday: Japanese Ghosts and Goblins

Grab a drink and gather around for some seasonal scares at Profs & Pints Baltimore: Japanese Ghosts and Goblins at the Guilford Hall Brewery, 1611 Guilford Ave. Your guide through this occult tale is Michele M. Mason, an associate professor of Japanese cultural studies at the University of Maryland at College Park. She will trace the ghost stories told in different mediums from 17th-century woodblock prints to Manga comic books to horror films. Ticket prices are $17 for adults and $15 for students with ID. profsandpints.ticketleap.com/kappa

Friday 6:30 p.m. to 8:30 p.m.

Friday: Marcus Johnson

Listen to a smooth jazz and modern R&B blend when Marcus Johnson performs at the Keystone Korner Baltimore, 1350 Lancaster St. He released his first CD (Lessons in Love) while pursuing a JD and MBA at Georgetown. Ticket prices range from $15 to $45. keystonekorner baltimore.com

Friday 6 p.m.

Saturday: Brian Regan

Laugh until your sides hurt when comedian Brian Regan takes the stage at the Hippodrome Theatre, 12 N. Eutaw St. Regan is known for his unique blend of observational, sarcastic and self-deprecating humor. Ticket prices range from $59 to $98. baltimore.broadway.com/shows/brian-regan/

Saturday at 8 p.m.