SEO matters when prospective clients use search to compare trainers, services, or locations and your business has useful information that should be discoverable. The decision is not simply whether Google matters. It is whether your website and, where eligible, your local business profile accurately represent the service people can actually book.
For an in-person trainer, local intent can include searches around a genuine service area, a training location, or a specific specialty. For an online coach, the opportunity can be broader because clients do not need to be nearby. In both cases, the website should answer the questions that influence a real decision: what you offer, who it suits, where or how sessions happen, and how someone can contact you.
The earlier source described a typical local search radius of 5-10 miles. No supporting source URL appears in this JSON, so that range should be treated as historical context rather than a rule for how far Google shows a business. Local visibility is affected by factors that include distance, relevance, and prominence, and a trainer should not create false locations or service areas to try to overcome geography. The personal trainer SEO audit guide can be used to verify whether website and local business information are aligned.
The source also grouped successful trainers around three traits and referred to ranking #1. Those ideas are better used as an operating checklist than as proof of causation: make the business discoverable where it legitimately operates, explain the specialty clearly, and maintain accurate customer-facing information. None of those actions guarantees that a searcher will choose the trainer.