The runners who train in the heat come back faster in the fall.

Preview text: It's not a coincidence. There's a physiological reason for it.

Engo EyewearThursday, Jun 4, 2026 at 5:09 AM EasternKlaviyo
Engo EyewearThe runners who train in the heat come back faster in the fall.
Subject
The runners who train in the heat come back faster in the fall.
Preview text
It's not a coincidence. There's a physiological reason for it.
From
anna@engoeyewear.com
Sent
Thu Jun 4, 2026, 5:09 AM ET
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de.engoeyewear.com
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52 KB
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20
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Subject length
63 characters

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From
Anna at engo <[email protected]>
Subject
The runners who train in the heat come back faster in the fall.
Date
Thu, 04 Jun 2026 09:09:19 +0000
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klaviyomail.com
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k3.send.engoeyewear.com
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Sent just before and after

Jul 8, 2026 6:02 AMWhat athletes who last actually do
Jun 23, 2026 11:22 AMThe runners who track the most data aren't the fastest.
Jun 10, 2026 3:26 AMYour engo3 is waiting. Here's how to make it yours in 5 minutes.
Jun 4, 2026 5:09 AMThe runners who train in the heat come back faster in the fall. (this email)
Jun 4, 2026 5:09 AMSummer running is secretly making you better.
May 27, 2026 11:23 AMYou're not getting slower. It's the heat.
May 19, 2026 3:56 AMMile 20. The race you actually trained for starts here.

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