I don't know if there's one running NOW, (50/50 odds) but they do a recurring thing called the "Yak Track". You get 50 goals, and can choose to do A or B. "Chop 40 logs or mine 40 ores", etc. As you progress the goals get harder, up into the thousands even.
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I'm liking it so far though!
...they started doing one every quarter.