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Portland Grindfest 2021

Fri August 15, 2025 Portland, OR 97217 US Directions

Grindfest Wave 1 (9 minute pace start)

Wave 1 =

1200 meters (3 laps) starting at 9 minute mile pace (2:25 minutes / lap) and advancing to 2:22 (8:48 pace) for laps 4-6, then 2:19 (8:36 pace) for laps 7-9 etc. Continue to progress as long as possible.

Grindfest Wave 2 (8 minute pace start)

Wave 2 =

1200 meters (3 laps) starting at 8 minute mile pace (2:00 minutes / lap) and advancing to 1:57 (7:48 pace) for laps 4-6, then 1:54 (7:36 pace) for laps 7-9 etc. Continue to progress as long as possible.

Grindfest Wave 3 (7 minute pace start)

Wave 3 =

1200 meters (3 laps) starting at 7 minute mile pace (1:45 minutes / lap) and advancing to 1:42 (6:48 pace) for laps 4-6, then 1:39 (6:36 pace) for laps 7-9 etc. Continue to progress as long as possible.

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