- Who
- Jeffco Public Schools, Madhvi Chittoor
- What
- 200.135 kilogram(s)
- Where
- United States (Arvada)
- When
The most markers collected for recycling in one hour is 200.135 kg (441 lb 3 oz), achieved by Jeffco Public Schools and Madhvi Chittoor of Madhvi4EcoEthics in Arvada, Colorado, (both USA), on 3 December 2021.
In total, 22,661 markers were collected to be recycled.
