2025 - Issaquah Schools Foundation Monster Mash 5K
2025 distances
Running
In-Person 5K
Technical Race Tee & Medal Included
Virtual 5K
Technical Race Tee & Medal Included. Pick-up at ISF required.
Race-day weather
Conditions on October 25, 2025 — historical Open-Meteo data.
The sun rises at 7:42 AM and sets at 6:01 PM local time (PDT) in Issaquah on October 25, 2025 — 10h 19m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2025 results — Issaquah Schools Foundation Monster Mash 5K
In-Person 5K · 361 finishers
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Z Justus | 16:11 | 5:13 /mi |
| 2 | John Christopher | 18:11 | 5:51 /mi |
| 3 | Jared Putney | 19:33 | 6:18 /mi |
| 4 | Kennan Schrag | 19:34 | 6:18 /mi |
| 5 | Jordan Crist | 19:34 | 6:18 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Issaquah
Different organizers, within 40 miles, in the next three months
Issaquah Schools Foundation Monster Mash 5K
Issaquah Turkey Trot
Hope and Heroes Run
Cougar Mountain Trail Run Series (October)
🏃 Plan Your Next Race in Issaquah
Find upcoming events by distance:
- Issaquah 5K Races 4 races
- Issaquah Running Calendar 2026 5 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 6 Issaquah events
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