Lisa Horan’s Relentless hits Amazon bestseller lists

Lisa Horan’s chapter in the June 25 release of Relentless helped the book reach Amazon bestseller status and multiple New Release rankings. The milestone spotlights Horan’s story of overcoming Crohn’s disease, surgery and self-doubt to complete the London Marathon and take on new challenges.

Why it matters: - Relentless reached Amazon Best Seller status across multiple business categories, giving Lisa Horan’s story a wider audience. - The book also climbed Amazon New Release lists, including as high as No. 3 in Marketing, signaling strong early reader interest. - Horan’s chapter centers on resilience and recovery, themes that may resonate with readers facing health setbacks or major life changes.

What happened: - SuccessBooks® launched Relentless on June 25, 2026. - Lisa Horan co-authored the book with Lisa Nichols and other professionals worldwide. - The book earned bestseller status on Amazon shortly after launch. - Horan’s chapter is titled “Watch Me: When A Stoma Bag Couldn’t Stop A Marathon Dream.”

The details: - Horan says her chapter draws on personal experience to show that many limits are self-imposed and that people should not accept other people’s fears and expectations as their own. - Horan faced Crohn’s disease at age 21, which led to major surgeries and a stoma. - She later went from couch to marathon in less than six months and finished the London Marathon in 2021 at age 41. - Horan has also done wing walking and abseiling. - Horan describes her mindset with the motto, “Watch me!” - Horan is now a writer, speaker and storyteller. - Horan can be reached at lisa.author.speaker@gmail.com. - Readers can order a copy of the book here.

Between the lines: - The book’s commercial performance gives Horan’s personal story a broader platform beyond the marathon community. - The mix of health adversity, endurance sports and public speaking positions Horan as a resilience-focused author-brand. - The marketing push around Relentless relies on transformation narratives, which often perform well in business and self-improvement categories.

What's next: - SuccessBooks® is likely to keep promoting the book’s early Amazon rankings to sustain visibility. - Horan’s public profile may grow through speaking, writing and media opportunities tied to the book’s release. - Further reader response could determine whether Relentless maintains its Amazon momentum beyond launch week.

The bottom line: - Relentless turned Horan’s personal comeback story into a bestseller launch, amplifying a message about refusing to accept limits.