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Reaching 312.9K followers on Instagram, Mark A. Costes is a verified Fitness creator. Its posts sit across fitness and business. The account has published 1,824 posts, currently around 6 posts a week. Posts average 1,441 likes and 18 comments, an engagement rate of 0.47%.
Drmarkcostes's Instagram presence spans 1,824 posts and 312.9K followers, profiling it as a Fitness account.
For Fitness accounts with 100K–1M followers, Drmarkcostes's 0.47% engagement rate is below the median of 1.82%, a read from 2,038 accounts in the InstME index.
The audience comments once per 82 likes on average, an audience that mostly engages through likes.
Drmarkcostes's recent cadence works out to about 6 posts per week.
Drmarkcostes follows only 1,604 accounts while being followed by 312.9K, the lopsided ratio of an established creator or brand.
Estimated sponsored-post value
$1,100–$2,000
Based on 312.9K followers and a 0.47% engagement rate, a single sponsored post by Drmarkcostes is worth an estimated $1,100–$2,000. 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 | Drmarkcostes | Cohort median |
|---|---|---|
| Engagement rate | 0.47% | 1.82% |
| Average likes | 1,441 | 4,679 |
| Average comments | 18 | 94 |
| Posts per week | 6.46 | 0.3 |
Median values from 2,038 Fitness accounts with 100K–1M followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 15, 2026
Mark A. Costes is a verified fitness creator on Instagram, with 312.9K followers.
Mark A. Costes posts on Instagram as @drmarkcostes.
Mark A. Costes has 312,949 followers on Instagram (312.9K) as of Sep 15, 2026.
Mark A. Costes's engagement rate is 0.47%, calculated from average likes and comments per post relative to followers. That is below the median of 1.82% for Fitness accounts with 100K–1M followers in the InstME index.
Posts by Mark A. Costes average 1,441 likes and 18 comments.
Mark A. Costes posts about 6 times per week on average.
Mark A. Costes is registered as a creator account on Instagram and is verified.
Mark A. Costes is categorized as a fitness and business account in the InstME index, based on the profile's bio and Instagram category across 1,824 posts.
Yes. Mark A. Costes carries the blue verified badge on Instagram.
Avg Comments
18
Engagement
0.73%
A sponsored post from Mark A. Costes is estimated at $1,100 to $2,000. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
