Pokemon Go 7km Egg Alolan, Regional and Pre-Gen 4 Hatch Rates

The odds of hatching Alolan, Regional and Pre-Gen 4 Pokemon during the Ultra Bonus event have been revealed, and the numbers look quite underwhelming.

A Redditor named cjmithli posted his Egg Hatch rates analysis on TSR and based on the comments from 217 Redditors and 2573 Eggs hatched here are the results:

Ultra Bonus event 7km Alolan Pokemon Hatch Rates (75%)

  • Alolan Sandshrew – 15%
  • Alolan Diglet – 15%
  • Alolan Meowth – 15%
  • Alolan Vulpix – 11.25%
  • Alolan Geodude – 11.25%
  • Alolan Grimer – 7.5%

Ultra Bonus Event 7km Regional Pokemon Hatch Rates (12.5%)

  • Kangaskhan – 4%
  • Tauros – 4%
  • Mr.Mime – 2.25%
  • Farfetch’d – 2.25%

Ultra Bonus Event 7km Pre-Gen 4 Hatch Rates (12.5%)

  • Porygon – 6.25%
  • Tangela – 6.25 %

I have to say that the numbers do not look so good, but hey, we have 17 days to hatch Eggs and finish our Gen 1 Pokedex.

Can you make it happen?

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Dejan Kacurov

Hi, gamers! You can call me Mr. DComplex. I'm a gamer, a hardcore gamer. My favorite genres are Action RPG and MMORPG. At the moment I'm using my PC as my only gaming platform, but soon I might get a new PS4 from Angel. Update - Angel did get me a PS4, oh wait, it's the PS4 PRO 1TB!!! Much love bro!


  1. Can you tell by the egg if it’s a regional 7k VS alolan 7k? Or do they all look like the alolan eggs from gifts and can produce regional? Because that’s all I’ve been receiving in gifts and all Alolan so far! I cant find an answer to this!

    1. 7k eggs contain both alolan and regionals, as well as both Tangella and Porygon. Chance of hatching regionals vs the others is in the article.

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