Data updated: July 2026
Eduardo de Castro ✓
@educastrojr · Instagram · BR · running
About Eduardo de Castro
Eduardo de Castro, known as educastrojr on Instagram, is a doctor specializing in orthopedics and traumatology. He combines his medical expertise with a passion for running, sharing insights and educational content related to fitness and health. With a follower count of 470,041, he engages his audience through various content formats, including reels, long-form videos, static posts, and stories. His authoritative and professional tone resonates well with his audience, making him a trusted source of information in the running and medical education niches. Some content may require brand review.
@educastrojr's followers & following
@educastrojr currently has 470,041 followers on Instagram and follows 2,866 accounts, a follower-to-following ratio of 164.01. That places the account in the mid tier of running creators.
@educastrojr's content
@educastrojr has published 4,093 posts to date, working across reels, long-form-video, static-posts, stories. The account's content is classified under running, medicine, medical-education, fitness. Bio: “Discípulo de Jesus Médico Ortopedista e Traumatologista CRM 17910 | RQE 11092 Corredor 5k🔓10k🔓21k🔓42k🔒 Colunista @runnersbrasiloficial S…”
AI quality check on @educastrojr
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@educastrojr's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@educastrojr's audience
Audience snapshot
60% male · 40% female
Core age group25-34
Eduardo's audience skews slightly male at 60% and primarily falls within the 25-34 age range. The majority of his followers are located in Brazil, indicating a strong regional presence and potential for localized brand collaborations.
Collaboration pricing
Price tierPremium
Get the AI fair-price estimate → free trialWhich brands fit Eduardo de Castro?
Brands in the health, fitness, and wellness sectors may find a suitable partnership with Eduardo. His background as a medical professional combined with his running expertise positions him well to promote products that align with both health and fitness, appealing to his engaged audience.
Frequently asked questions
How many Instagram followers does @educastrojr have?
As of July 2026, @educastrojr has 470,041 followers (470K) on Instagram, follows 2,866 accounts, and has published 4,093 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @educastrojr?
Verified contact details for @educastrojr — including business email where available — are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @educastrojr's contact info — free trial →
How much does @educastrojr charge for a sponsored post?
@educastrojr sits in the premium price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate →
What is @educastrojr's net worth?
@educastrojr's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 470K followers and a premium price tier in running, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @educastrojr have fake followers?
Zaver's AI authenticity check scores @educastrojr 100/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check →
Who follows @educastrojr?
@educastrojr's 470K followers skew 60% male / 40% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @educastrojr's report on Zaver.
Which influencers are similar to @educastrojr?
Zaver lists comparable running creators in Brazil in the "Influencers like @educastrojr" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 4,639 vetted running creators with plain-English queries.
What is the follower count?
Eduardo has 470,041 followers.
What is the engagement rate?
The engagement rate data is not available.
What is the collaboration pricing?
Eduardo is in the premium price tier for collaborations.
What is the content niche?
His primary niche is running, with secondary niches in medicine, medical education, and fitness.
