# swimming at the 2018 Summer Youth Olympics – mixed 4 × 100 metre freestyle relay
**Wikidata**: [Q60520098](https://www.wikidata.org/wiki/Q60520098)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Swimming_at_the_2018_Summer_Youth_Olympics_–_Mixed_4_×_100_metre_freestyle_relay)  
**Source**: https://4ort.xyz/entity/swimming-at-the-2018-summer-youth-olympics-mixed-4-100-metre-freestyle-relay