New York City's Triathlon and Duathlon is shortening the run and bike portions of Sunday's race due to the dangerous heat.

Philadelphia has enacted a heat health emergency.

#PlayItSafePHL and cool off at one of our 90+ spraygrounds this summer ➡️ https://t.co/P5rZOA42wC pic.twitter.com/jEQnp49LEH

— Jim #VaxUpPhilly Kenney (@PhillyMayor) July 21, 2022

In Boston, a heat emergency has been extended through Sunday. The city said cooling centers will be open and more than 50 splash pads are available.

The Boston Triathlon, set for this Sunday, has been pushed back a month due to the heat, race organizers said.

The heat wave is also persisting in the South and the West.

Hard-hit Texas reached record highs in Austin (105 degrees) and San Antonio (102 degrees) on Thursday.

\"PHOTO:
Lisa Krantz/Reuters
PHOTO: Susana Segura, with Bread and Blankets Mutual Aid, gives out water, bananas and hats to ward off the sun to unhoused people and others in need during a heat advisory in San Antonio, Texas, July 21, 2022.
>

Dallas County reported its first heat-related death of the year on Thursday. The county's Department of Health and Human Services said the victim was a 66-year-old Dallas woman with underlying health conditions.

Record highs are possible on Friday in Memphis, where the record stands at 103 degrees, and Phoenix, where the record is 116 degrees.

\"PHOTO:
Mario Tama/Getty Images
PHOTO: People eat beneath water misters at a restaurant on July 21, 2022 in Phoenix.
>

Click here for tips to keep yourself safe in the heat.

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