Yeah you just need to reset your Run Pace zones. You can enter your former pace and it will recalculate your zones based on that. Click on your name in the top right, Settings, Zones, Speed/Pace and enter the old per mile pace.

Then scroll all the way to the bottom of Zones and uncheck the box to Automatically apply new threshold changes :) Keep the email checked so you get notified but just apply the actual performance improvements :)

Too bad about Kona!

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Rodney
TrainingPeaks | Altra Running | RAD Roller
http://www.goinglong.ca