
Updates about Sofya's triathlon journey and endurance sport research I find interesting
| Platform | Pricing | Only free issues | Publishes | Daily | |
|---|---|---|---|---|---|
| Issues | 10 | Subscribers | Read | triathlonsystems.substack.com |
Curious about how many subscribers Tri Systems has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over three million newsletters.
Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.
Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.
Recent posts by this newsletter. Browse the email archive.
Comments from my November 2025 self: 2025 has been up and down with running for sure. January 2025 was a good one! So was February, but then it kind of went downhill from there until I started working with Renee in August. I was really into...
Comments from my November 2025 self: This was the month that I got back into the pool again for the first time since 2018! It’s amusing that I am writing this newsletter update from Norway, where I had the opportunity to see the Norwegian O...
Comments from my current November 2025 self: Looking back, the talk by Gerrard Hartmann was so clearly a turning point for me; it was when my self-concept shifted, and I started considering myself as an athlete. Read on to see what I was th...
This is an archive post that I am moving over from Molecular Meditations.
Other publications recommended by the authors of this newsletter.
The writers behind this newsletter.
Sofya Lebedeva. Triathlete at Oxford University. Pursuing a bioinformatics PhD and faster swim-bike-run splits. I also write about science on Substack at Molecular Meditations.
You can find recent issues that have been published by Tri Systems on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Tri Systems, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Tri Systems as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Tri Systems using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Similar Newsletters to see other publications like Tri Systems. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.