in november 2014, roker embarked on a "roker-thon", in which he did a non-stop, 34-hour weather forecast on nbc, from 10:05 p.m. on november 12 until about 8:00 a.m. on november 14. the record-setting event was a fundraiser for the crowdrise campaign to benefit the military and uso. he held a "roker-thon 2", this time reporting weather from all 50 states and washington, d.c. during the week from november 6 to november 13, 2015, in support of feeding america. from march 27 until march 31, 2017, he embarked on "roker-thon 3", visiting colleges and setting a guinness world record at each one, such as the longest conga line on ice and largest human letter.