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Challengechic alternatives & similar sites

Home - Workshop & Challenge Resources — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Fitness And Exercise →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
defivirtuel.ca ↗	69 match 1 shared topics	True North Challenges	Canada en	fitness-and-exercise Shopify X-Cart	robotsllmsaihumans	emailphone	none
fitterbanegaindia.com ↗	69 match 1 shared topics	FoodPharmer - Steps Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
flexbasechallenge.com ↗	69 match 1 shared topics	Flex Base Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
100pushupschallenge.com ↗	68 match 1 shared topics	100 Pushups Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
fitworks.com ↗	68 match 1 shared topics	Home - FITWORKS	en	fitness-and-exercise WordPress WooCommerce	robotsllmsaihumans	emailphone	none
100jumpsaday.com ↗	68 match 1 shared topics	100 Jumps a Day Challenge \| Crossrope	en	fitness-and-exercise Shopify	robotsllmsaihumans	emailphone	none
fitnessworkslodi.com ↗	68 match 1 shared topics	Home - Fitness Works Lodi	en	fitness-and-exercise WordPress WooCommerce	robotsllmsaihumans	emailphone	none
iceberg-app.com ↗	68 match 1 shared topics	Home Page - Workout Time App	en	fitness-and-exercise	robotsllmsaihumans	email phone	none
centum100.app ↗	67 match 1 shared topics	CENTUM — 100-Day Fitness Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
5kchallenge.com ↗	67 match 1 shared topics	5kChallenge.com — Take the Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
iamfirechallenge.com ↗	67 match 1 shared topics	I Am Fire Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
karateforkidsliverpool.com ↗	67 match 1 shared topics	21 Days of Fitness Challenge - 21 Days of Fitness	United States~ en	fitness-and-exercise Weebly	robotsllmsaihumans	emailphone	none
fitduels.app ↗	67 match 1 shared topics	FitDuels - Challenge Your Friends to Fitness Duels	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
cbchallenge.com ↗	67 match 1 shared topics	30 Day Challenge - 30 Day Challenge	en	fitness-and-exercise WordPress WooCommerce	robotsllmsaihumans	emailphone	none
myvirtualmission.com ↗	67 match 1 shared topics	Fitness Challenges by My Virtual Mission	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
d23fitnesschallenge.com ↗	67 match 1 shared topics	D23 Fitness Challenge	en	fitness-and-exercise WordPress	robotsllmsaihumans	emailphone	none
1millionpushups.com ↗	67 match 1 shared topics	1 Million Pushups — The Challenge	en	fitness-and-exercise	robotsllmsaihumans	emailphone	none
365milechallenge.org ↗	67 match 1 shared topics	365 Mile Challenge \| Virtual Fitness Challenge	en	fitness-and-exercise Weebly WooCommerce	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.