Next 26 cofounders Nicholas Leydon (far left) and Chris Mathison (left), who’ve pledged to host 26 social, sporting, and service events around the city before the next Boston Marathon, had their 11th event on Wednesday night at Laugh Boston with Improv Asylum. Fifty percent of ticket sales for “Laugh Strong,” a night of comedy, went to One Fund. Guests in the crowd included Marathon bombing survivor Victoria McGrath.Mark Shanahan can be reached at email@example.com. Follow him on Twitter @MarkAShanahan. Meredith Goldstein can be reached at firstname.lastname@example.org. Follow her on Twitter @MeredithGoldste.