EnglishGerry DeFilippo | Strength & Speed is on Twitter (X) as @Challenger_ST, with 93,800 followers and 44,174 posts. A typical post draws 96 interactions, an engagement rate of 0.103% per follower. It has been on X since November 2010, an account age of 15 years.
Engagement
A typical post picks up 96 interactions against 94K followers, an engagement rate of 0.103%. Measured over 46 original posts, its engagement rate beats 52% of 19,933 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 13K times each, and 0.744% of those impressions turn into an interaction. That is about 13.8% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 46 original posts from a 30-day window, last computed on September 19, 2026.
Full engagement reportFollower growth
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Bio
🔥 Strength & Speed Coach | 1,000+ athletes gained 2–4+ inches on their vertical + real speed | Start your FREE 7-Day Trial👇
Notable followers
The biggest accounts in our directory following @Challenger_ST.
Gerry DeFilippo | Strength & Speed on Twitter (X) - frequently asked questions
- What is the Twitter handle for Gerry DeFilippo | Strength & Speed?
- Gerry DeFilippo | Strength & Speed posts on Twitter (X) as @Challenger_ST. The profile is at x.com/Challenger_ST, and the View on X button at the top of this page opens it.
- How many followers does Gerry DeFilippo | Strength & Speed have on Twitter?
- Gerry DeFilippo | Strength & Speed (@Challenger_ST) has 93,800 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Gerry DeFilippo | Strength & Speed join Twitter?
- Gerry DeFilippo | Strength & Speed joined Twitter (X) in November 2010. The @Challenger_ST account is 15 years old. Searches for Gerry DeFilippo | Strength & Speed age often mean a personal age, which we do not publish. The figure here is the account age only.