if you like outdoor activities stores like LL Bean and REI have one day workshops where you can learn something fun (often free, or nearly so) and you are guaranteed that if you meet someone there you at least have one common interest.
really being your authentic self is the best sell most people spot BS a mile away.
also every community around here has community education activities. ours has a corn hole competition and pickle ball to name a few group activities. you may want to check that out as well. the cost is usually very low.
OB's point of going in with no expectation is key. Go because of a genuine interest in the event and if you meet new people/friends/dates that's a bonus, right?
M 20+ T25+ S ~15.5 (BD) BD 4/6/15 D 12/23/16
"Someone I loved once gave me A box full of darkness. It took me years to understand, That this too, was a gift." ~ Mary Oliver