God. Family. Volleyball. Tokyo 2020 Olympian🇺🇸 🏐AVP/ PVF @wilson 20% off optx vballs!Code: Sponcil-20
Followers
59.7K
Following
1.1K
Total Posts
Engagement Rate
1.68%
Avg Likes
960
Avg Comments
Sarah Marmelstein is a verified Fitness brand based in United States, with 59.7K followers on Instagram. The account posts mainly around fitness and parenting topics. The account has published 690 posts, currently less than one post a week. Engagement runs at 1.68%, or about 960 likes and 45 comments per post.
Smsponcil operates a Fitness account on Instagram, pairing 59.7K followers with 690 posts.
Against 6,024 Fitness accounts with 10K–100K followers in the InstME index, Smsponcil's 1.68% engagement rate lands below the median of 2.04%.
At one comment per 22 likes, the ratio points to a healthy amount of conversation.
Smsponcil currently publishes less than one post per week.
Estimated sponsored-post value
$350–$650
Based on 59.7K followers and a 1.68% engagement rate, a single sponsored post by Smsponcil is worth an estimated $350–$650. 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 in United States, modeled from the niche, not measured for this account.
Content Focus
Primary: Fitness
Secondary: Parenting
| Metric | Smsponcil | Cohort median |
|---|---|---|
| Engagement rate | 1.68% | 2.04% |
| Average likes | 960 | 523 |
| Average comments | 45 | 23 |
| Posts per week | 0.05 | 0.28 |
Median values from 6,024 Fitness accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
| Metric | Smsponcil | Cohort median |
|---|---|---|
| Engagement rate | 1.68% | 1.4% |
| Average likes | 960 | 300 |
| Average comments | 45 | 16 |
| Posts per week | 0.05 | 0.26 |
Median values from 833 Fitness accounts in United States with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Jul 15, 2026
Sarah Marmelstein is a verified fitness brand based in United States on Instagram, with 59.7K followers.
Sarah Marmelstein posts on Instagram as @smsponcil.
Sarah Marmelstein has 59,678 followers on Instagram (59.7K) as of Jul 15, 2026.
Sarah Marmelstein's engagement rate is 1.68%, calculated from average likes and comments per post relative to followers. That is below the median of 2.04% for Fitness accounts with 10K–100K followers in the InstME index.
Posts by Sarah Marmelstein average 960 likes and 45 comments.
Sarah Marmelstein posts less than once a week on average.
Sarah Marmelstein is registered as a business account on Instagram and is verified.
Sarah Marmelstein is categorized as a fitness and parenting account in the InstME index, based on the profile's bio and Instagram category across 690 posts.
Sarah Marmelstein's profile places the account in United States. Location comes from public profile signals, so treat it as the account's stated market rather than a confirmed address.
690
45
Posts / Week
0.05
Growth Score
33.6 / 100
Follower Ratio
54.0×
Engagement
0.78%
Yes. Sarah Marmelstein carries the blue verified badge on Instagram.
A sponsored post from Sarah Marmelstein is estimated at $350 to $650. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
