This metric matters…

Preview text: Are you tracking your Vo2 max??

Friday, Jun 5, 2026 at 10:02 AM EasternKlaviyo

Hard To Kill FitnessThis metric matters…

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Against Hard To Kill Fitness's usual

Sent in its busiest hour, 10 AM, which holds 35% of its emails. The subject is 21 characters; its average is 28.

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from o1307.shared.klaviyomail.com [167.89.100.91] by our receiving server with ESMTPS
by recvd-…-ths7b with SMTP
from (unnamed) by geopod-ismtpd-51 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

	Jun 10, 2026 5:00 PM	285 lbs to 209 lbs. Two kids. No excuses.
	Jun 8, 2026 8:01 AM	REMINDER: sale ends at midnight 🎃
	Jun 7, 2026 12:02 PM	Can you handle this??
	Jun 5, 2026 10:02 AM	This metric matters… (this email)
	Jun 3, 2026 6:17 PM	copy these, get results
	Jun 2, 2026 7:31 PM	One Step Away...
	Jun 1, 2026 7:32 PM	Like what you saw...