- Who
- Willow Creek Community Church
- What
- 724 people
- Where
- United States (South Barrington)
- When
The longest over and under line consists of 724 people, achieved by Willow Creek Community Church (USA) at DadFest 2018 in South Barrington, Illinois, USA on 17 June 2018.
They beat the previous record by only 3 people...much to the suspense of everyone involved.