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Outreach This Creator For FreeMateiu Sergiu is a Fitness creator, with 18.8K followers on Instagram. Its posts sit across fitness and business. The account has published 837 posts, currently less than one post a week. Typical posts draw 3,054 likes and 17 comments, putting engagement at 16.31%.
Serhi.running shows up in the InstME index as a Fitness account, 18.8K followers, 837 posts.
For Fitness accounts with 10K–100K followers, Serhi.running's 16.31% engagement rate is in the top quarter (median: 2.04%), a read from 6,024 accounts in the InstME index.
The audience comments once per 180 likes on average, an audience that mostly engages through likes.
In recent weeks Serhi.running has kept to less than one post per week.
Estimated sponsored-post value
$260–$490
Based on 18.8K followers and a 16.31% engagement rate, a single sponsored post by Serhi.running is worth an estimated $260–$490. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience (estimated)
Est.Predominantly men · mostly 18–34
Typical for Fitness creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Fitness
Secondary: Business
| Metric | Serhi.running | Cohort median |
|---|---|---|
| Engagement rate | 16.31% | 2.04% |
| Average likes | 3,054 | 523 |
| Average comments | 17 | 23 |
| Posts per week | 0.32 | 0.28 |
Median values from 6,024 Fitness accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 13, 2026
Mateiu Sergiu is a fitness creator on Instagram, with 18.8K followers.
Mateiu Sergiu posts on Instagram as @serhi.running.
Mateiu Sergiu has 18,829 followers on Instagram (18.8K) as of Sep 13, 2026.
Mateiu Sergiu's engagement rate is 16.31%, calculated from average likes and comments per post relative to followers. That is in the top quarter (median: 2.04%) for Fitness accounts with 10K–100K followers in the InstME index.
Posts by Mateiu Sergiu average 3,054 likes and 17 comments.
Mateiu Sergiu posts less than once a week on average.
Mateiu Sergiu is registered as a creator account on Instagram.
Mateiu Sergiu is categorized as a fitness and business account in the InstME index, based on the profile's bio and Instagram category across 837 posts.
A sponsored post from Mateiu Sergiu is estimated at $260 to $490. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
Avg Comments
17
Engagement
0.19%
