Monsters & Mimosas 5K - Diamond Lake
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Event overview
The Monsters & Mimosas 5K takes place on Saturday, October 3, 2026, at Diamond Lake Resort, 350 Resort Dr., Diamond, OR 97731. The race offers these event options:
- 5K
- Virtual 5K
- Sip & Stroll
Registration opens March 1, 2026. Fee tiers include preview, early bird, regular, late, and race day pricing, with amounts varying by period. Participants registered by September 23 are guaranteed race swag in their size; after that swag is while supplies last.
Course, services and rules
The course runs along the paved roadways of the campground by the lake. The event will use chip timing for start and finish. Water stations will be available approximately every 1.5 miles. All finishers receive a custom finisher medal, a race-themed shirt, and a mimosa; juice and water are provided for participants under 21. Awards are given to top finishers in overall and age divisions, including Top 3 Overall M/F and Top 3 in five-year age groups starting at 10 & under through 80+. Participants must finish at a pace no slower than 16 minutes per mile. Sip & Stroll has the same perks but no distance requirement or awards. A virtual option allows participants to run remotely, submit results by the end of race day, and receive shipped virtual packages to the continental US after the event. Volunteer recruitment can qualify a volunteer for a $50 Visa gift card if program conditions are met. Visit the organization's website for the most recent information.