Interval emails
Interval sends about 3 emails a week through Klaviyo, most often on Wednesday around 1 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 3
- Busiest send time
- Wednesdays at 1am ET
- Last sent
- 2 days ago · Oct 31
- Tracked since
- Mar 2026
- Emails collected
- 56
Recent emails
Oct 31, 2026 1:39 AM
What athletes who bought actually think?
Oct 30, 2026 1:38 AM
Still researching ?
Oct 27, 2026 4:15 PM
Good luck in Birmingham 🏁
Oct 25, 2026 3:19 PM
We covered shipping. You cover the training.
Oct 22, 2026 3:18 PM
What athletes who bought actually think?
Oct 21, 2026 3:15 PM
Still researching ?
Recent subject lines
All subject linesSubject lines average 36 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 31, 2026 1:39 AM | What athletes who bought actually think? | Unfiltered feedback from people who train like you | |
| Oct 30, 2026 1:38 AM | Still researching ? | Full breakdown of what's inside and why it works | |
| Oct 27, 2026 4:15 PM | Good luck in Birmingham 🏁 | Good luck in Birmingham I'm racing tomorrow at 10.50. | |
| Oct 25, 2026 3:19 PM | We covered shipping. You cover the training. | One less reason to wait | |
| Oct 22, 2026 3:18 PM | What athletes who bought actually think? | Unfiltered feedback from people who train like you | |
| Oct 21, 2026 3:15 PM | Still researching ? | Full breakdown of what's inside and why it works | |
| Oct 21, 2026 10:02 AM | Lactate is a fuel. The burn is something else. | Lactate is a fuel. The burn is something else. Trouble viewing? View in browser Built for… | |
| Oct 21, 2026 12:08 AM | Your WELCOME15 code expires tomorrow | A recommendation based on how you train |
Archive
View full archiveOctober 2026 16 emails
View allLactate is a fuel. The burn is something else.
Oct 21, 2026 10:02 AM
Your WELCOME15 code expires tomorrow
Oct 21, 2026 12:08 AM
Subscribe once. Train without interruption.
Oct 19, 2026 12:06 AM
I was never sold on beta alanine
Oct 17, 2026 5:02 AM
What 5AM athletes are saying about their stack
Oct 17, 2026 12:05 AM
How to actually get the most from your stack
Oct 15, 2026 12:04 AM
When Interval sends
23% of its emails arrive in the 1 AM hour, with a second, smaller wave around 3 PM. Wednesdays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 1 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 1 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 1 | 0 | 2 | 1 | 0 | 1 | 0 |
| 1a | 0 | 2 | 2 | 4 | 2 | 1 | 2 |
| 2a | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 3a | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 4a | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
| 5a | 1 | 0 | 0 | 1 | 1 | 2 | 0 |
| 6a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 7a | 1 | 1 | 0 | 0 | 2 | 0 | 0 |
| 8a | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 9a | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 10a | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| 11a | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
| 12p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 1 | 1 | 1 | 1 | 1 | 1 |
| 4p | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| 5p | 1 | 0 | 0 | 1 | 1 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 4 emails)
Based on 56 emails received from Mar 16 to Oct 31, 2026. Times in US Eastern. How we collect · When all brands send
How often Interval sends
The two complete months so far had 12 and 16 emails. April was not collected, so it is drawn as a gap and left out.
- Busiest month
- Oct 2026, 16
- Quietest month
- Sep 2026, 12
- Busiest day
- Wednesday, 11
- Quietest day
- Sunday, 4
About Interval
- ESP
- Klaviyo
- Tracked since
- Mar 2026
- Emails collected
- 56
- Emails a week
- about 3
- Last sent
- Oct 31, 2026
- Sends from
- tom@
useinterval.co.uk - Subject length
- 36 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 13 Stars Hot Sauce13starshotsauce.com | Klaviyo | about 3 | Wednesday | Nov 1, 2026 | Klaviyo · about 3 a week · busiest Wednesday · last sent Nov 1, 2026 | ||
 2O32o3.com | Klaviyo | about 3 | Wednesday | Oct 26, 2026 | Klaviyo · about 3 a week · busiest Wednesday · last sent Oct 26, 2026 | ||
| 247 Curtains247curtains.co.uk · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 3 | Monday | Nov 1, 2026 | Klaviyo · about 3 a week · busiest Monday · last sent Nov 1, 2026 |
