In 55 days · Sun, Oct 18, 2026
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Sunday, October 18th, 2026
5100 NW Neakahnie Avenue, Portland OR
5K
46–61°F · some rain risk
See last 10 years
On this date: rain 4 of the last 10 years
2025
41–60°F
rain
2024
43–52°F
dry
2023
47–72°F
dry
2022
49–76°F
dry
2021
42–57°F
dry
2020
49–65°F
dry
2019
44–56°F
rain
2018
41–67°F
dry
2017
47–59°F
rain
2016
45–56°F
rain
Best months to race in Oregon →
About this race
Floss & Run Event Overview
Help raise funds for kids' free dental care on the Tooth Taxi by registering for The Dental Foundation of Oregon's inaugural Floss & Run!
Date: Sunday, October 18, 2026
Location: Rock Creek Country Club, 5100 NW Neakahnie Avenue, Portland, Oregon, 97229
Race Details
You'll be on a professionally-rolled, gently challenging golf path in a peaceful and private setting under giant Douglas Firs. (Course maps can be viewed at dentalfoundationoforegon.org on the Events page under About).
Our timed races include:
- 1K Race: for children 11 and under starting at 8:30 a.m.
- 5K Run: open to runners of all abilities starting at 9:10 a.m.
- 5K Walk: begins at 9:40 a.m.: stroller runners will start at the front.
Participant Perks
All registered participants will receive:
- Swag Bag: includes a cool Tooth Taxi headband, dental- and health-related items.
- Raffle Ticket: for a chance to win prizes from local sponsors.
- Putting Contest Entry: free entry included (additional tickets available for purchase).
- Finisher Medals: all finishers receive a medal, with medals for the top three in each age category.
Event Amenities
- Host Venue: The Rock Creek Country Club has a bar and grill with food and drinks for purchase.
- Parking: Free parking available.
- Attire: We encourage attendees to wear their finest dental-related attire!
- Virtual Options: Available for those not in the Portland area or unable to attend on October 18.
Community Impact
All proceeds go to children's free dental care and education on the Tooth Taxi. The Dental Foundation of Oregon's Tooth Taxi is on the road 48 weeks a year, providing services to children who are uninsured, underinsured, or experiencing a dental emergency.
In 2025, the Tooth Taxi team cared for 1,027 children, providing nearly $634,000 in free services.
Additional Information
We are grateful to our major sponsors: BnK Construction and Permanente Dentistry (crown sponsors): and Columbia Healthcare Banking and Willamette Dental (molar sponsors).
The Dental Foundation of Oregon is the fundraising arm of the Oregon Dental Association. For more information, visit dentalfoundationoforegon.org.
For registration and more details about the event, visit Floss & Run Registration.
Course map
Train with a club
Run clubs near Portland to train with before race day.
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