Watch: Sydney McLaughlin runs fastest-ever 400m split by high schooler

Sydney McLaughlin reportedly ran the fastest 400m split ever by a high school girl.

Olympian and Union Catholic (NJ) senior Sydney McLaughlin is nearing the end of her high school career but she put an exclamation mark on her dominance with a 49.85 second split for her leg of the the Swedish Relay, which took her team from sixth to first.

It was announced at the meet that it was believed to be the fastest 400 meter split ever by a high school girl. The split came from the meet timer's fully automatic time system.

The Swedish Relay consists of 100, 200, 300 and 400 meter legs.

Watch McLaughlin blow away the competition below:

Watch it again 👀@GoSydGo split 49.85 to lead @uctrack to another #NBNationals Swedish Relay 🥇

📺 https://t.co/Z24hxwjKuK pic.twitter.com/GDG0klZeaB

— RunnerSpace (@runnerspace) June 16, 2017

The full race is available on RunnerSpace.

McLaughlin split 50.37 at the Penn Relays in April and owns an open 400 meter personal best of 51.87 from last season. She is committed to running and hurdling at the University of Kentucky next year.