| Event: | Mixed shuttle hurdles relay |
| Competition: | 2019 IAAF World Relays |
| Venue: | Nissan Stadium |
| Dates: | 11 May (heats & final) |
| Nations: | 7 |
| Win Value: | 54.96 |
| Gold: | Christina Clemons Freddie Crittenden Sharika Nelvis Devon Allen Queen Harrison
|
| Goldnoc: | USA |
| Silver: | Ayako Kimura Shunya Takayama Masumi Aoki Taio Kanai |
| Silvernoc: | JPN |
| Prev: | New event |
| Next: | 2021 |
The mixed shuttle hurdle relay at the 2019 IAAF World Relays was held at the Nissan Stadium on 11 May.
| KEY: | bgcolor=ccffcc align=center | Q | Qualified | bgcolor=ddffdd align=center | q | Fastest non-qualifiers | WL | World leading | CR | Championship record | NR | National record | SB | Seasonal best |
Qualification: The winner of each heat (Q) plus the 2 fastest times (q) advanced to the final.[1] [2]
| Rank | Heat | Nation | Athletes | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 2 | Sharika Nelvis (W), Freddie Crittenden (M), Queen Harrison (W), Ryan Fontenot (M) | 55.09 | Q | ||
| 2 | 1 | Amoi Brown (W), Andrew Riley (M), Megan Tapper (W), Ronald Levy (M) | 55.47 | Q | ||
| 3 | 1 | Ayako Kimura (W), Shunya Takayama (M), Masumi Aoki (W), Taio Kanai (M) | 56.13 | q | ||
| 4 | 1 | Brianna Beahan (W), Nicholas Hough (M), Celeste Mucci (W), Nick Andrews (M) | 56.40 | q | ||
| 5 | 2 | Sacha Alessandrini (W), Wilhem Belocian (M), Laura Valette (W), Pascal Martinot-Lagarde (M) | 56.56 | |||
| 6 | 2 | Shi Jiali (W), Sun Zhenjiang (M), Wu Yanni (W), Zeng Jianhang (M) | 57.54 | |||
| 7 | 2 | Adrine Monagi (W), Mowen Boino (M), Donna Koniel (W), Daniel Baul (M) |
| Rank | Nation | Athletes | Time | Notes | Points | |
|---|---|---|---|---|---|---|
| Christina Clemons (W), Freddie Crittenden (M), Sharika Nelvis (W), Devon Allen (M) | 54.96 | SB | 8 | |||
| Ayako Kimura (W), Shunya Takayama (M), Masumi Aoki (W), Taio Kanai (M) | 55.59 | SB | 7 | |||
| Brianna Beahan (W), Nicholas Hough (M), Celeste Mucci (W), Nick Andrews (M) | R162.8[4] | 0 | ||||
| 0 |