2025 - The Portland Grindfest - August @ 6pm at Benson High School!
2025 distances
Running
Grindfest Wave 1 (9 minute pace start)
Wave 1 = 1600 meters (3 laps) starting at 9 minute mile pace (3 min / lap) and advancing 20 seconds / mile (every 3 laps)
Grindfest Wave 2 (8 minute pace start)
Wave 2 = Athletes will jump in when the race gets to 8 minute pace. 3 laps to a mile so this will be approximately 2 minutes and 40 seconds / lap.
Grindfest Wave 3 (7 min pace)
This is the last wave to jump in as the pace gets down to 2 minutes and 20 seconds / lap.
Race-day weather
Conditions on August 15, 2025 — historical Open-Meteo data.
The sun rises at 6:12 AM and sets at 8:18 PM local time (PDT) in Portland on August 15, 2025 — 14h 05m 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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Other races near Portland
Different organizers, within 40 miles, in the next three months
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Ho Ho 5k
Sanctioned 3Km Run & Race Walk, Power Walk or Stroll
Tofurky Trot
🏃 Plan Your Next Race in Portland
Find upcoming events by distance:
- Portland 5K Races 24 races
- 10K Run Events in Portland 6 races
- Portland Half Marathons 3 races
- Portland Running Calendar 2026 33 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, 36 Portland events
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