Congratulations to David Grudzien, of Waukesha, Wisconsin for finishing his 300th Half Marathon today at the NewBo Half Marathon in Cedar Rapids, Iowa! Amazing accomplishment! #NewBohalfmarathon #cedarrapids #cedarrapidsiowa #waukesha #waukeshawisconsin #300halfmarathons #halfmarathon #halfmarathons #runninghalfmarathons #amazingaccomplishments