4Endurance emails

4Endurance sends about 5 emails a week through Klaviyo, most often on Friday around 4 AM Eastern.

Early figures, based on 10 emails received from Oct 16 to Oct 30, 2026.

Recent emails

Subject lines average 30 characters. Each one opens the email it came from.

Sent (Eastern)	Subject	Preview text
Oct 30, 2026 5:12 AM	What’s always in Jacob’s bottle?	Plus his best advice for anyone starting out.
Oct 29, 2026 5:12 AM	No food, no energy, no fun	The mistake that cost Jacob years of progress.
Oct 28, 2026 5:12 AM	From 132 kg gamer to 400 W athlete	Jacob Winneche on the moment he decided to change.
Oct 27, 2026 4:54 AM	Mix, match, and make room for one more	Hey, There, Some days you want a gel; other days, a bar or a drink. Now you can switch…
Oct 24, 2026 12:03 AM	☀️ Saturday Offer ☀️	Zero calories, maximum hydration 💧
Oct 23, 2026 4:12 AM	Our Zwift League is returning 🚴	Ready to ride? 🏁
Oct 22, 2026 4:12 AM	A tasty way to bite into carbs.	“I could frankly eat 10 per outing 😅”
Oct 20, 2026 4:12 AM	We've all had this thought mid-race	Hey, , I think most endurance athletes know the feeling. You're hours into a race, your…

Counts include automated emails such as a welcome series.

Brand	ESP	Emails a week	Busiest day	Last sent
17011701luxury.com	Klaviyo	about 5	Wednesday	Oct 30, 2026	Klaviyo · about 5 a week · busiest Wednesday · last sent Oct 30, 2026
1canoe21canoe2.mom	Klaviyo	about 5	Sunday	Oct 28, 2026	Klaviyo · about 5 a week · busiest Sunday · last sent Oct 28, 2026
3D Cast3dcast.com.au	Klaviyo	about 5	Tuesday	Oct 30, 2026	Klaviyo · about 5 a week · busiest Tuesday · last sent Oct 30, 2026