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Speedylizard alternatives & similar sites

Speedy Lizard – Marcus Barton — 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 Swimming →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
runsignup.com ↗	28 match shared topic	RunSignup	en	running-and-jogging	robotsllmsaihumans	emailphone	none
fleetfeet.com ↗	28 match shared topic	Fleet Feet \| Shop Running Shoes, Clothes & Gear \| Est. 1976	en	running-and-jogging Shopify	robotsllmsaihumans	emailphone	none
mapmyrun.com ↗	28 match shared topic	MapMyRun — Run Smarter	en	running-and-jogging	robotsllmsaihumans	emailphone	none
usaswimming.org ↗	28 match shared topic	Home	en	swimming	robotsllmsaihumans	emailphone	none
bridgerun.com ↗	28 match shared topic	Cooper River Bridge Run \| Cooper River Bridge Run Site	en	running-and-jogging WordPress Shopify	robotsllmsaihumans	emailphone	none
pooldues.com ↗	28 match shared topic	PoolDues.com – Billing, Check-In, Reservations and Content management made just for Swim and Tennis clubs, or HOA's with pools.	en	swimming WordPress	robotsllmsaihumans	emailphone	partial · 5
girlsontherun.org ↗	28 match shared topic	Girl Empowerment Programs \| Girls on the Run	en	running-and-jogging WordPress	robotsllmsaihumans	emailphone	none
rrca.org ↗	28 match shared topic	Road Runners Club of America	en	running-and-jogging WordPress WooCommerce	robotsllmsaihumans	emailphone	none
membersplash.com ↗	28 match shared topic	Swim and Tennis Club Software \| Member Splash	en	swimming WordPress	robots llmsaihumans	emailphone	partial · 8
swimming.org ↗	28 match shared topic	The Home of Swimming \| The UK swimming resource from Swim England	en	swimming WordPress	robotsllmsaihumans	emailphone	none
swimoutlet.com ↗	28 match shared topic	SwimOutlet.com - The Web's Most Popular Swim Shop! 🏊	en	swimming Shopify	robotsllmsaihumans	emailphone	none
englandathletics.org ↗	28 match shared topic	Home - England Athletics	en	running-and-jogging WordPress WooCommerce	robotsllmsaihumans	emailphone	none
itra.run ↗	28 match shared topic	ITRA - International Trail Running Association - official world ranking of trail runners recognized by World Athletics	en	running-and-jogging	robotsllmsaihumans	emailphone	none
spartan.com ↗	28 match shared topic	Spartan Race \| Obstacle Course Race \| Find Your Next Challenge	en	running-and-jogging	robotsllmsaihumans	emailphone	none
runna.com ↗	28 match shared topic	Runna \| #1 rated personalized training plans for running	en	running-and-jogging	robotsllmsaihumans	emailphone	none
navymwrbethesda.com ↗	28 match shared topic	NSA Bethesda	en	swimming	robotsllmsaihumans	emailphone	none
raceentry.com ↗	28 match shared topic	Online Race Registration Software: Free Growth & Management	en	running-and-jogging	robotsllmsaihumans	emailphone	none
usms.org ↗	28 match shared topic	Homepage \| U.S. Masters Swimming	en	swimming	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.