Volunteer registration for the 2018 Principal Charity Classic, presented by Wells Fargo, opens today at principalcharityclassic.com. The award-winning PGA Tour Champions event returns June 5-10 at Wakonda Club in Des Moines. Since 2007, the Principal Charity Classic has donated approximately $13.5 million to support Iowa kids, including a record $3,581,427 in 2017. That level of giving wouldn’t be possible without the more than 1,200 volunteers who help bring the Principal Charity Classic to life each year, organizers said in a release. Volunteer assignments range from on-course marshals, standard bearers and TV spotters to merchandise volunteers, shuttle drivers, Pro-Am operations and more. Committees are assigned on a first-come, first-served basis, with placements announced in April. Returning and new volunteers must complete online registration.