• Monster Dash 5K trail road/obstacle run and Mummy 1K Fun Run, Oct. 20 at Sadler Arts Academy. Fund-raiser for Sadler seventh and eighth grade students’ “Celebrate Oklahoma field trip. Registration: 3:30 p.m. with 5K at 5 p.m. and fun run at 6 p.m. Contact: Georgie Chapuis, (918) 360-6588..
• Dice Dawson Tennis Tournament, rescheduled for Oct. 20 at Spaulding Park. Entry forms can be picked up at the Parks and Recreation Department next to Spaulding Park. Contact: Dice Dawson, (918) 260-0070.
• The Muskogee Mizuno will hold signups for kids age 8-18 today at the Muskogee Teen Center, 322 Callahan St. Players should wear volleyball gear ready to work out. All boys and girls will be placed on a team. It is not a tryout; no one will be cut. Registration: $50. League play starts Nov. 5 and runs through Dec. 14. Information: email@example.com, (918) 949-8903 or www.mus-kogeemizunos.com.