Sinclaire Johnson Sets Mile American Record at London Diamond League 2025

Sinclaire Johnson sets the American Record in the Mile at the London Diamond League.

Jul 19, 2025

Sinclaire Johnson Sets Mile American Record at London Diamond League 2025

27-year-old Sinclaire Johnson of Nike set the American Record at the London Diamond League in the Mile, taking fourth overall in 4:16.32. The mark surpasses the 4:16.35 run by Nikki Hiltz at the 2023 Monaco Diamond League.

Recently, Johnson had taken 6th at the Prefontaine Classic in the 1500m at 3:56.93, and just last week, ran 2:31.30 for the 1000m in Monaco.

At the 2024 Olympic Trials, Johnson ran a Personal Best of 3:56.55 for the 1500m, finishing fourth overall. She was also the 2022 USA National Champ over that same distance.

London Diamond League 2025 Mile Top 8 Race Results:

Gudaf Tsegay - 4:11.88
Jessica Hull - 4:13.68
Sarah Healey - 4:16.26
Sinclaire Johnson - 4:16.32
Marta Zenoni - 4:17.16
Agathe Guillemot - 4:19.08
Revee Walcott-Nolan - 4:19.16
Salome Afonso - 4:19.51

Watch The Diamond League London With The Stars Of The Athlete’s Lounge

Simulcasting on FloTrack, the FloSports app and on social media platforms like YouTube is FloTrack’s Athlete’s Lounge. The Athlete's Lounge is a broadcast of the Diamond League that features instant analysis and reactions from some of the sport’s biggest stars.

This week’s Diamond League London Athlete’s Lounge is streaming live on FloTrack social media platforms, including YouTube.

Diamond League London Schedule

Here’s the 2025 Diamond League London schedule of events.

7:53 a.m. – Men’s Long Jump
8:19 a.m. – Men’s Discus
8:53 a.m. – Women’s Pole Vault
9:04 a.m. – Women’s 400m Hurdles
9:13 a.m. – Women’s High Jump
9:15 a.m. – Men’s 800m
9:27 a.m. – Women’s 5000m
9:47 a.m. – Women’s Long Jump
9:52 a.m. – Women’s 800m
10:03 a.m. – Men’s 400m
10:13 a.m. – Women’s 1 Mile
10:27 a.m. – Men’s 100m
10:38 a.m. – Women’s 200m
10:48 a.m. – Men’s 1500m

Diamond League 2025 Schedule

Here's the full Wanda Diamond League schedule in 2025.

Diamond League Prize Money In 2025

The 2025 Wanda Diamond League series will distribute a record $9.24 million in total prize money, with $500,000 allocated to each of the regular season meets, including an increased payout for select Diamond+ Disciplines at each meeting.

For the season opener in Xiamen, the Diamond+ Disciplines will be 5000m Women, High Jump Women, 110m Hurdles Men, and Pole Vault Men.

Diamond Disciplines

$10,000
$6,000
$4,000
$3,000
$2,500
$2,000
$1,500
$1,000
$500

Diamond+ Disciplines

$20,000
$10,000
$6,000
$5,000
$3,000
$2,500
$2,000
$1,500
$750

Don't Miss A Second Of The 2025 Diamond League

This year, the Diamond League is streaming live on FloTrack and the FloSports app, and FloTrack is giving fans more Diamond League access than ever before. For the first time ever, the Diamond League is streaming to fans all the feeds, not just the traditional world feed.

Fans will have uninterrupted coverage for every throw, leap and run during the meets as well as the traditional broadcast.

Where To Watch Diamond League?

The Wanda Diamond League will be broadcast on FloTrack and the FloSports app starting with the 2025 season.

FloTrack Is The Streaming Home For Many Track And Field Meets Each Year

Don’t miss all the track and field season action streaming on FloTrack. Check out the FloTrack schedule for more events.

FloTrack Archived Footage

Video footage from each event will be archived and stored in a video library for FloTrack subscribers to watch for the duration of their subscriptions.

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