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Monsters & Mimosas 5K - Diamond Lake 2026

Date
Saturday, October 3, 2026
Start time
10:00 AM start (Los Angeles)
Entry fee
From $35
Included with entry
Includes a shirt
Fundraising
Takes optional donations when you register
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Official race website

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Events and entry fees

EventDistanceWhenEntry feeCap
5K5KOct 3, 202610:00 AM$35$40 after Sep 27, 2026–
Sip & Stroll–Oct 3, 202610:00 AM$35$40 after Sep 27, 2026–
Virtual 5KVirtual5KOct 3, 202610:00 AM$36–

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

Race day planning

Entry fee schedule

  • $40 until Oct 3, then $45 until Oct 4.

Online registration closes Oct 4, 2026, unless the race fills first.

How the price compares

At $35, entry is about the same as a typical 5K in Oregon ($35).

What a typical finish looks like

A typical finisher at a 5K in Oregon runs 36:56, about 11:53 a mile, based on 97 races with published results. Women typically finish in 39:52 and men in 31:51.

Light and altitude

Sunrise on race morning is at about 7:05 AM, and the 5K starts at 10:00 AM. The start sits about 5,080 feet above sea level, high enough that most runners from lower ground run noticeably slower.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

Diamond Lake Resort, Diamond Lake, OR 97731

The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.

2025 results

All results

5K

42
finishers
34:23
median (11:04 /mi)
23:37
winning time
64% / 36%
women / men
median 34:2324:171:02:50
Finish times, fastest to slowest. Each bar is a slice of the field; the dashed line is the median.

Sip & Stroll

3
finishers
53:36
median
47:59
winning time
100% / 0%
women / men

Aggregated from official results (Five Star NTP) for Monsters & Mimosas 5K - Diamond Lake. Individual finisher names are not stored here.

How fast do you need to be at Monsters & Mimosas 5K - Diamond Lake?

At the 2025 5K, the fastest tenth finished in 28:17 or better, the top quarter in 29:29, and half the field in 34:23; the last tenth came in after 57:07.

At the 2025 Sip & Stroll, the fastest tenth finished in 49:06 or better, the top quarter in 50:47, and half the field in 53:36; the last tenth came in after 53:36.

Third place by age group, 2025 5K
AgeWomenMen
30-3929:5431:11
40-4934:24n/a
60-6946:17n/a

Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.

What would my time get me?

Where a finish time would have placed in 2025.

Typical race-day weather

Around October 3 the day usually runs from 40°F at dawn to 63°F in the afternoon, with measurable rain on about 19% of days. Cold snaps dip to 31°F and hot years reach 72°F.

Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.

From the race's page

What the organizers of Monsters & Mimosas 5K - Diamond Lake cover on their registration page, in brief.

Schedule and packet pickup

EVENT SCHEDULE

September 23. Deadline to Guarantee Swag. October 3. 9:00 am.Check In Opens at race site. 10:00 am.Race Starts.

Schedule and packet pickup

Virtual Run

Can't make it out to the event site on race day? Still want to participate or support the cause and have a shot at an award? or maybe you saw the shirt and said: "Sweet.I want one!" Then the virtual race is for you. Run when & where you…

Schedule and packet pickup

Packet Pickup

We always do packet pickup on race morning starting one hour prior to the start of the race. If we have an early pickup available, it will be added here.

Course

Course & Timing

We’re at Diamond Lake Resort and we'll be running along the paved roadways of the campground along the lake. We'll be chip timing the start & finish. Click Here for Course Map. Water Stations. We will have water stations approximately…

Course & Timing, from the Monsters & Mimosas 5K - Diamond Lake page

Shirt and medal

Awards & Goodies

All finishers will receive a custom finisher medal and a mimosa. Awards to the top finishers as follows: Top 3 Overall M/F. Top 3 Overall Masters M/F (40 yrs+). Top 3 Overall Grand Master M/F (50 yrs+). Top 3 Overall Senior Master M/F (60…

Awards & Goodies, from the Monsters & Mimosas 5K - Diamond Lake page

Shirt and medal

Groups & Teams

Grab your Family, Friends, Co-workers, and random strangers of the street to get a great discount, as well as some bonus swag. 5+ team members get $2.50 off each. 11+ team members get $3.75 off each. 21+ team members get $5.00 off each…

Full details on the race's RunSignup page

Race details

Where
Diamond Lake Resort, Diamond Lake, OR 97731Map
Course
Road
Start elevation
About 5,080 feet
Included with entry
T-Shirt
Donations
Accepted when you register
Distances
5K
Editions
2026 (Oct 3, 2026), 2025 (Oct 4, 2025)

Organize this race? Add details or a correction

Plan your race

Quick answers

When is Monsters & Mimosas 5K - Diamond Lake?
Saturday, October 3, 2026, starting at 10:00 AM.
How much does it cost?
Entry starts at $35 before processing fees.
When does registration close?
Online registration closes Oct 4, 2026, unless the race fills first.
Is the entry fee high for Oregon?
At $35, entry is about the same as a typical 5K in Oregon ($35).
Do runners get a shirt or medal?
Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
Can I donate to a cause when I register?
Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
What distances can I run?
5K.
How big is it, and how fast?
In 2025, 42 runners finished the 5K; the median finish was 34:23 and the winner ran 23:37.
Where does it start?
Diamond Lake Resort, Diamond Lake, OR 97731.
Is there a course map?
Yes, the organizers publish the route on MapMyRun; the link is under Start location and course.

From the organizers

Get ready for a spooky-good time at the Monsters & Mimosas 5K, where Halloween fun meets festive celebration! This spirited run invites ghosts, goblins, and costumed creatures of all kinds to hit the course for a frightfully fantastic fall morning.

Join us at Diamond Lake Resort where all race participants will receive a custom finisher medal, a race-themed shirt, and a refreshing mimosa waiting for them at the finish line—because even monsters deserve a little sparkle after a solid run! We'll have juice and water for those under 21.

Read the full description on RunSignup