Endorphin subject lines
53 subject lines averaging 26 characters.
| Picture | Sent (Eastern) | Subject | Characters | Preview text | |
|---|---|---|---|---|---|
| Oct 28, 2026 5:01 AM | Cold mornings. Electric Blue. | 29 | A new color for your running rotation. The early access list shops first. | Oct 28, 2026 5:01 AM · 29 characters. A new color for your running rotation. The early access list shops first. | |
| Oct 25, 2026 6:23 AM | Holds more than expected | 24 | Here’s how | Oct 25, 2026 6:23 AM · 24 characters. Here’s how | |
| Oct 25, 2026 4:03 AM | Meet Electric Blue. | 19 | Our next limited-edition color. Sign up to shop 24 hours early. | Oct 25, 2026 4:03 AM · 19 characters. Our next limited-edition color. Sign up to shop 24 hours early. | |
| Oct 24, 2026 6:22 AM | “I forgot it was there” | 23 | That’s the goal | Oct 24, 2026 6:22 AM · 23 characters. That’s the goal | |
| Oct 23, 2026 6:21 AM | Not a $20 belt | 14 | Here’s why | Oct 23, 2026 6:21 AM · 14 characters. Here’s why | |
| Oct 23, 2026 4:02 AM | Run with your dog. Hands free. | 30 | The Dog Leash Attachment clips onto your Endorphin Belt. Shop it now. | Oct 23, 2026 4:02 AM · 30 characters. The Dog Leash Attachment clips onto your Endorphin Belt. Shop it now. | |
| Oct 22, 2026 6:20 AM | Why $54.99 | 10 | Let’s address it | Oct 22, 2026 6:20 AM · 10 characters. Let’s address it | |
| Oct 21, 2026 6:19 AM | Your phone stays dry | 20 | Finally | Oct 21, 2026 6:19 AM · 20 characters. Finally | |
| Oct 20, 2026 6:18 AM | Carry water smarter | 19 | No bulk needed | Oct 20, 2026 6:18 AM · 19 characters. No bulk needed | |
| Oct 19, 2026 6:17 AM | Belt vs belt | 12 | Big difference | Oct 19, 2026 6:17 AM · 12 characters. Big difference | |
| Oct 18, 2026 6:16 AM | You don’t need a vest | 21 | Not for most runs | Oct 18, 2026 6:16 AM · 21 characters. Not for most runs | |
| Oct 17, 2026 6:15 AM | The bounce problem | 18 | This is what ruins runs | Oct 17, 2026 6:15 AM · 18 characters. This is what ruins runs | |
| Oct 16, 2026 6:14 AM | Why we made this | 16 | It started with frustration | Oct 16, 2026 6:14 AM · 16 characters. It started with frustration | |
| Oct 15, 2026 6:13 AM | A free flask, on me | 19 | Wanted to make this an easy yes | Oct 15, 2026 6:13 AM · 19 characters. Wanted to make this an easy yes | |
| Oct 14, 2026 6:12 AM | Your 10% is waiting | 19 | Still active | Oct 14, 2026 6:12 AM · 19 characters. Still active | |
| Oct 13, 2026 6:11 AM | 💪 Claim Your Exclusive Discount! | 32 | Your first step towards better running | Oct 13, 2026 6:11 AM · 32 characters. Your first step towards better running | |
| Oct 11, 2026 9:06 AM | Rose Reign is live. Make it part of your next run. | 50 | Missed Lavender Rush? Here's your chance to get Rose Reign. | Oct 11, 2026 9:06 AM · 50 characters. Missed Lavender Rush? Here's your chance to get Rose Reign. | |
| Oct 6, 2026 10:01 AM | Rose Reign is Coming | 20 | Our next limited color. Your chance to shop a day early. | Oct 6, 2026 10:01 AM · 20 characters. Our next limited color. Your chance to shop a day early. | |
| Oct 3, 2026 10:02 AM | Meet Rose Reign. | 16 | Our newest limited-edition color is here. | Oct 3, 2026 10:02 AM · 16 characters. Our newest limited-edition color is here. | |
| Sep 25, 2026 11:30 AM | Same Endorphin standard. Streamlined. | 37 | Here is what Tempo shares with the belt you already trust. | Sep 25, 2026 11:30 AM · 37 characters. Here is what Tempo shares with the belt you already trust. | |
| Sep 20, 2026 9:31 AM | Introducing Endorphin Tempo | 27 | A streamlined carry system for the days you do not need everything. | Sep 20, 2026 9:31 AM · 27 characters. A streamlined carry system for the days you do not need everything. | |
| Sep 7, 2026 9:07 AM | Labor Day Sale Final day | 24 | Last call on both flasks. | Sep 7, 2026 9:07 AM · 24 characters. Last call on both flasks. | |
| Sep 5, 2026 1:40 PM | Don’t miss this | 15 | The belt you viewed won’t stay around | Sep 5, 2026 1:40 PM · 15 characters. The belt you viewed won’t stay around | |
| Sep 4, 2026 1:39 PM | This is why we built it | 23 | Because nothing else worked | Sep 4, 2026 1:39 PM · 23 characters. Because nothing else worked | |
| Sep 4, 2026 1:38 AM | Can I help with anything? | 25 | Hunter from Endorphin | Sep 4, 2026 1:38 AM · 25 characters. Hunter from Endorphin | |
| Sep 3, 2026 1:39 PM | Still thinking about it? | 24 | The gear you looked at is still waiting | Sep 3, 2026 1:39 PM · 24 characters. The gear you looked at is still waiting | |
| Sep 3, 2026 9:03 AM | LABOR DAY: Free 250ml Soft Flask with every bundle | 50 | The complete hydration setup. No code needed. | Sep 3, 2026 9:03 AM · 50 characters. The complete hydration setup. No code needed. | |
| Aug 19, 2026 11:45 AM | 💜Last Chance: Only 100 Lavender Rush Belts Left! | 49 | When they're gone, they're gone. | Aug 19, 2026 11:45 AM · 49 characters. When they're gone, they're gone. | |
| Aug 16, 2026 9:02 AM | 💜 Meet Lavender Rush. Our Limited-Edition Color. | 48 | Join 20,000+ runners. Get Lavender Rush before it sells out. | Aug 16, 2026 9:02 AM · 48 characters. Join 20,000+ runners. Get Lavender Rush before it sells out. | |
| Aug 13, 2026 11:15 AM | 💜 Meet Lavender Rush | 20 | Lavender Rush drops DATE. Early access closes soon. | Aug 13, 2026 11:15 AM · 20 characters. Lavender Rush drops DATE. Early access closes soon. | |
| Aug 9, 2026 10:04 AM | Limited Edition Color Is Coming 💜 | 33 | Early access shops before it goes public. | Aug 9, 2026 10:04 AM · 33 characters. Early access shops before it goes public. | |
| Jul 10, 2026 11:15 AM | New Flask Drop is Live 🔥 | 24 | 250ml sized for the right runs | Jul 10, 2026 11:15 AM · 24 characters. 250ml sized for the right runs | |
| Jul 4, 2026 10:02 AM | 24 hours left for the 4th of July Sale | 38 | Buy one Endorphin Belt, get your second 25% off | Jul 4, 2026 10:02 AM · 38 characters. Buy one Endorphin Belt, get your second 25% off | |
| Jul 3, 2026 2:01 PM | Final 48 hours: buy one, get one 25% off | 40 | The 4th of July Sale ends midnight PT, July 4. | Jul 3, 2026 2:01 PM · 40 characters. The 4th of July Sale ends midnight PT, July 4. | |
| Jun 30, 2026 1:02 PM | Freedom from bounce, bulk, and bad belts | 40 | Buy one Endorphin Belt, get your second 25% off. | Jun 30, 2026 1:02 PM · 40 characters. Buy one Endorphin Belt, get your second 25% off. | |
| Jun 29, 2026 11:10 PM | Don’t miss this | 15 | The belt you viewed won’t stay around | Jun 29, 2026 11:10 PM · 15 characters. The belt you viewed won’t stay around | |
| Jun 28, 2026 11:09 PM | This is why we built it | 23 | Because nothing else worked | Jun 28, 2026 11:09 PM · 23 characters. Because nothing else worked | |
| Jun 28, 2026 11:09 AM | Can I help with anything? | 25 | Hunter from Endorphin | Jun 28, 2026 11:09 AM · 25 characters. Hunter from Endorphin | |
| Jun 28, 2026 10:15 AM | One for you, one for your running friend | 40 | The 4th of July Sale is a good time to grab a second belt. | Jun 28, 2026 10:15 AM · 40 characters. The 4th of July Sale is a good time to grab a second belt. | |
| Jun 27, 2026 11:07 PM | Still thinking about it? | 24 | The gear you looked at is still waiting | Jun 27, 2026 11:07 PM · 24 characters. The gear you looked at is still waiting | |
| Jun 26, 2026 10:15 AM | Declare independence from vests | 31 | Buy one Endorphin Belt, get your second 25% off. | Jun 26, 2026 10:15 AM · 31 characters. Buy one Endorphin Belt, get your second 25% off. | |
| May 29, 2026 10:30 AM | The Endorphin x SickFit Bundle Has Arrived | 42 | Limited edition collaboration. Once it’s gone, it’s gone. | May 29, 2026 10:30 AM · 42 characters. Limited edition collaboration. Once it’s gone, it’s gone. | |
| May 25, 2026 11:02 AM | 50% Off BOGO: 24 hours left | 27 | Last chance for memorial day sale! | May 25, 2026 11:02 AM · 27 characters. Last chance for memorial day sale! | |
| May 24, 2026 3:00 PM | Don’t take our word for it | 26 | Real runners. Real miles. BOGO 50% off ends Tuesday. | May 24, 2026 3:00 PM · 26 characters. Real runners. Real miles. BOGO 50% off ends Tuesday. | |
| May 21, 2026 11:01 AM | BOGO 50% off ends soon | 22 | The running gift they’ll actually use | May 21, 2026 11:01 AM · 22 characters. The running gift they’ll actually use | |
| May 19, 2026 11:02 AM | Train together: Upgrade together | 32 | The most gift-able running gear of 2026 | May 19, 2026 11:02 AM · 32 characters. The most gift-able running gear of 2026 | |
| May 15, 2026 9:01 AM | BOGO 50% Off is LIVE | 20 | Memorial Day Sale | May 15, 2026 9:01 AM · 20 characters. Memorial Day Sale | |
| Apr 25, 2026 9:03 AM | LAST CALL: 25% Off Ends Tonight | 31 | Your last chance for the ultimate running bundle | Apr 25, 2026 9:03 AM · 31 characters. Your last chance for the ultimate running bundle | |
| Apr 23, 2026 11:30 AM | The New Standard | 16 | What the obsessed are saying about Endorphin | Apr 23, 2026 11:30 AM · 16 characters. What the obsessed are saying about Endorphin | |
| Apr 19, 2026 9:00 AM | Engineering vs. Gimmicks | 24 | Built by an Army Ranger for the long haul | Apr 19, 2026 9:00 AM · 24 characters. Built by an Army Ranger for the long haul |
Based on 53 emails received from Mar 16 to Oct 28, 2026. Times in US Eastern. How we collect