- Saturday, Dec. 2: 39th annual City of Palms River 10K Run and 2-mile fun run/walk. 8 a.m., Centennial Park, Fort Myers (ftmyerstrackclub.com)
- Saturday, Dec. 2: Run for Hannah 5K, 8 a.m., Rotary Park, Cape Coral (3dracinginc.com)
- Saturday, Dec. 2: Collier County Public Schools Wellness Fun Run, 5K competitive race, 5K fun run and 1 mile fun run. 8 a.m., Barron Collier High School (gcrunner.org)
- Saturday, Dec. 9: Babcock Ranch Jingle Bell 5K/10K, 7:30 a.m., Babcock Ranch (3dracinginc.com)
- Saturday, Dec. 9: QBE Shootout 5K, 7:30 a.m., Tiburon Golf Club, Naples (gcrunner.org)
- Saturday, Dec. 16: Citygate Ministries Downtown Christmas Run 5K, 6 p.m., downtown Fort Myers (3dracinginc.com)
- Saturday, Dec. 16: Christmas Santa Stroll 5K Glow Run, 5:30 p.m. (eliteevents.org)
- Saturday, Dec. 23: Marco 5 Mile Hill Run, 8 a.m., Wesley United Methodist Church, Marco Island (gcrunner.org)
- For more running events visit gcrunner.org/calendar.html; ftmyerstrackclub.com/race-calendar; and 3dracinginc.com
- Friday, Dec. 1: SW Florida Critical Mass ride. A family-friendly slow ride through Fort Myers starting at a special time: 7:15 p.m. Front and rear bike lights required. Grab your helmet, bring all your friends and meet in the open field next to Publix at First Street Village, 2160 McGregor Blvd. Fort Myers (meetup.com/Biking-SWFL/events/)
- Friday, Dec. 8: NE-Lee Critical Mass ride, Gathers at 7:30 p.m. at the Winn-Dixie, 14600 Palm Beach Blvd. Lights required, helmets recommended. (meetup.com/Biking-SWFL/events/)
- Saturday, Dec. 9: Sanibel Critical Mass ride, gathers at 7:30 p.m. at Jerry’s Shopping Center, 1700 Periwinkle Way, on Sanibel. Lights required, helmets recommended. (meetup.com/Biking-SWFL/events/)
- Friday, Dec. 15: Roll Estero. Meet at Tropical Smoothie, 10011 Town Commons Drive #104a, Estero, at 7:30 p.m. for a 8 p.m. roll out on an easy 10-miler. Lights required, helmets recommended. (meetup.com/Biking-SWFL/events/)
- Ongoing: Join the Caloosa Riders Bicycle Club on one of their many weekly rides for members and potential members, with an array of paces and routes to choose from. Check them out online at www.caloosariders.org.
- For more Lee County cycling and tri events, visit Caloosa Riders Bicycle Club (caloosariders.org); Florida Mudcutters (mudcutters.org); and SW Florida Biking Meetup Group (meetup.com/Biking-SWFL).
- Sunday, Dec. 17: Christmas Sprint Duathlon & Triathlon. The Christmas season has a Sprint Duathlon and Triathlon at beautiful Sugden Regional Park. 7 a.m., Sugden Regional Park, Naples (eliteevents.org/christmas-sprint-triathlon--duathlon.html)
- Check trifind.com to find regional and state tris.