• Observer Editor

    “Run Woodstock”: RF Events

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    Runs from 5 to 100 miles along mainly single-track trails through Pinckney Recreation Area and beyond. Awards for top finishers. The 100 mile & 100K runs start at 2 p.m. on Friday, but most races start today. Overnight camping available, with live pop, rock, & Americana music on a stage at the camp on Friday by Jake Maltby and on Saturday by Stereo Babe, Easy Now, Spur 9, AJ Lynn Band, and the Fungi’s. Entry fee includes a finisher’s medal, post-race refreshments, concerts, and more. 6 a.m. (50-mile & 50K), 7:30 a.m. (26- and 13-mile), & 8 a.m. (5-mile), 20120 Bartell, Gregory. $25 (weekend pass), $29 (1-mile, kids dash), $52 (5-mile), and up to $295 (100-mile) at runwoodstock.com. (734) 929–9027, [email protected].

  • Free
    Observer Editor

    parkrun USA

    parkrun USA
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    Every Sat. All invited to join a timed but noncompetitive 5K run/walk. 8 a.m., Lillie Park South, 4365 Platt. Free, but first-timers are requested to preregister at parkrun.us/lillie and arrive at 7:45 a.m. [email protected].

  • Free
    Observer Editor

    “Dexter/Chelsea Saturday Morning Breakfast Ride”: Ann Arbor Bicycle Touring Society

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    Every Sat. Moderate-paced ride, 20 miles or more, to Dexter and beyond. Pack something to eat or stop in Dexter or Chelsea for coffee or breakfast. Note: Riders should be prepared to take care of themselves on all AABTS rides. Carry a water bottle, a spare tire or tube, a pump, a cell phone, and snacks. See aabts.org for weather cancellations or delays. 8 a.m. sharp, meet at Barton Nature Area parking lot, W. Huron River Dr. near Bird. Free. (734) 649–9762, [email protected] 

  • Observer Editor

    “Over the Edge”: Friends In Deed

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    All welcome to register to raise $1,000 and rappel down the outside of Hill Tower at EMU. A fundraiser for this and other Washtenaw County nonprofits serving low-income families. 9 a.m.–5 p.m., Hill Hall, 1200 Oakwood, Ypsi. Preregistration required at friendsindeedmi.org/events/over-the-edge. (734) 485–7658, [email protected].

  • Free
    Observer Editor

    The Washtenaw County Democratic Party Monthly Meeting

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    Presentation by Michigan Democratic Party voter protection director Thomas Luckett on safeguarding the integrity of elections. 9:15 a.m.–noon, U-M Ypsilanti Health Center, 300 W. Michigan Ave., Huron Rm., and on Zoom; URL at washtenawdems.org/calendar. Free.

  • Observer Editor

    “Doggy Dip”: Washtenaw County Parks & Recreation Commission

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    All dogs invited to swim in the pool (limit 2 dogs per human; assigned times by dog weight). 10 a.m.–3 p.m., Rolling Hills County Park, 7660 Stony Creek Rd., Ypsi. $5 per dog; preregistration required at tinyurl.com/wcprc-sept2026 by 4 p.m. Sept. 11. $6 (noncounty residents, $10) vehicle entry fee. (734) 971–6337, ext. 319. 

  • Free
    Observer Editor

    International Standard Judged Plant Show & Sale: Southeast Michigan Bromeliad Society/Michigan Cactus & Succulent Society

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    Sept. 12 & 13. Show and sale of bromeliads, cacti, succulents, and air plants. With talks by bromeliad experts Steve Hoppin and Jerry Raack (11 a.m. & 1 p.m. both days). Also, a sale of growing supplies and books. Many vendors are cash only. This is the first show of its kind in the Midwest since the 2004 World Bromeliad Conference in Chicago. 10 a.m.–4 p.m., U-M Matthaei Botanical Gardens, 1800 N. Dixboro Rd. Free admission; metered parking. (248) 880–3005, mbgna.umich.edu/events.

  • Observer Editor

    Annual Used Book Sale: American Association of University Women

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    Sept. 11–13. Sale of thousands of books in over 60 categories, as well as DVDs. Proceeds support academic scholarships. Preview ($20) on Friday 810 a.m. 10 a.m.–8 p.m. (Fri. & Sat.) & 10 a.m.–3 p.m. (Sun.), Washtenaw Community College (Morris Lawrence Bldg.), 4800 E. Huron River Dr. Free admission and parking. annarbor-mi.aauw.net.

  • Community Listing
    Free

    Peter Pan Meet and Greet: Starbright Entertainment LLC

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    Mudpuddles Toy Store, Upstairs at Kerrytown 407 N 5th Ave, Ann Arbor

    Peter Pan is bringing his playful antics to Mudpuddles Toy Store! Offered in partnership with Starbright Entertainment, join your favorite Neverland adventurer for meet & greet and silly photo op fun. This in-store event is FREE and open to the public. Costumes encouraged!

    https://www.starbrightentertainmenta2.com/events

    Free
  • Free
    Observer Editor

    Group Sketch: Ann Arbor Urban Sketchers

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    All invited to join this group of sketchers who meet to sketch and share what they’ve drawn. 11 a.m.–1 p.m., location TBA on facebook.com/groups/uskannarbor. Free. urbansketchersannarbor.com.

  • Free
    Observer Editor

    “Nature Lab”: U-M Museum of Natural History

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    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 (sight, hearing, and smell) 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.

  • Observer Editor

    Country Fair: Wiard’s Orchards

    Country Fair: Wiard’s Orchards
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    Every Sat. & Sun., Sept. 12–Nov. 21; and Wed.–Fri., Sept. 16–Oct. 30. A carnival atmosphere with a variety of family-oriented fall activities on this family farm, including wagon rides, a petting farm, a corn maze, and more. For an extra charge on Sat. & Sun., an apple cannon, paintball, apple or pumpkin picking, and other activities available. Cider and donuts available. Also, on Sept. 12 & 13, the season opens with a food truck rally, and on Sept. 19 & 20, view classic cars at the Fall Car & Jeep Show. No pets. 11 a.m.–6 p.m., 5565 Merritt. (east of Carpenter), Ypsi. Weekend admission: $27.50 (babies under 2, free). Weekday admission: $18 (babies under 2, free) online only at wiards.com. (734) 482–7744.

  • Observer Editor

    U-M Football vs. Oklahoma

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    Sold out. Noon, Michigan Stadium. (734) 764–0247, mgoblue.com/sports/football.

  • Free
    Observer Editor

    Annual Picnic: Washtenaw Bird & Nature Alliance

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    All invited to bring a dish to share, or if you prefer, just your own meal. On-site grills available. Bring your own place setting and beverage. Lawn games and the annual “Wingnut Award” ceremony for birders who have seen the most birds in the county during the past year. Preceded by a migratory bird walk at 9:30 a.m. Noon–3 p.m., shelter B, Dexter-Huron Metropark, 6535 Huron River Dr., Dexter. Free, but $10 vehicle entrance fee. washtenawbna.org.

  • Observer Editor

    U-M Museum of Natural History Planetarium & Dome Theater

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    Every Fri.–Sun. Three different audiovisual planetarium shows suitable for all ages. T. Rex (noon) describes the iconic dinosaur’s scientific and cinematic history (includes scenes of dinosaur violence); The Sky Tonight (1 & 3 p.m.) explores the current night sky, with tips on how to find the cardinal directions, constellations, and planets on your own; and Tales of the Maya Skies (2 p.m.) immerses viewers in the wonders of Mayan science, examining how Mayan scholars developed a sophisticated understanding of astronomy, architecture, and mathematics. Noon, 1, 2, & 3 p.m., 1105 North University. $9 at the gift shop. Limited capacity. (734) 764–0480, ummnh.org.

  • Observer Editor

    “Creature Encounters & Adult Open Hours”: The Creature Conservancy

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    Fri. Sept. 4 & 18 and every Sat. & Sun. During the Friday Adult Open Hours (age 18+ only), conservancy staffers show some barnyard buddies, including a Highland cow, a chicken, a Flemish giant rabbit, and a miniature donkey at 7:30 p.m. On Sat. & Sun., staffers show the cow, chicken, and rabbit at 1 & 4 p.m., and the donkey at 2 & 3 p.m. All tickets include a chance to see the conservancy’s other animals. 7–9 p.m. (Fri.) and noon–5 p.m. (Sat. & Sun.), 4950 Ann Arbor–Saline Rd. $15 (kids ages 2–12, $13; under age 2, free) cash or credit at the door only. (734) 929–9324, thecreatureconservancy.org.