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Community event just started in Asia. Rainy weather!
But no Mareep in sight.
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Only eggs that you put in during the event registers for the lower incubating distance. The other eggs keep their 2km, 5km, or 10k distance.
The only point of this Community Day is to cycle thru 2k and 5k eggs to hopefully find some 10ks that you can hatch while double candy is still active. That and getting people to buy/use incubators when they realize they have 7km left on a 10k at the start.