The phrase "a stride ahead" is correct and usable in written English.
It can be used to indicate that someone or something is in a more advanced position or has made more progress compared to others.
Example: "With their innovative technology, the company is a stride ahead of its competitors in the market."
Alternatives: "a step ahead" or "leading the way".
But the Tennessee Titans glanced back, gathered themselves and always remained a stride ahead.
Now, athletes in search of the physiological enhancement they need to take them a stride ahead of their opponents are scanning medicine's future, as well as its present.
Rodriguez was a stride ahead, but he kept turning toward Jeter, kept working at ensuring that the conversation was on an equal level.
But the Rangers' so-called scorers never produced, mostly because their opponents, whether better or lesser, usually were a stride ahead in the corners and around the net.
It is the fullback, a stride ahead of the star running back Tiki Barber, who clears the way -- or, on failed running plays, doesn't.
Catherine Ndereba of Kenya, the 2004 Olympic silver medalist, entered the Bird's Nest, as the Olympic stadium is known, only a stride ahead of China's Zhou Chunxiu, the second-place finisher at the 2007 world track and field championships.
I hate the prejudices that are still a part of me because of the environment that I grew up in, although I am a giant stride ahead of the generation before me.
As an example, when having to cross an area where there might be a mine-field: Would you stride ahead confidently, because there was no evidence of problems ahead, or would you proceed with great caution?
(You can see her routine in two videos titled "How to Stride Ahead" on her Web site, tamareadler.com).
Now they announce, in effect, another tax cut to be paid for out of efficiency savings and they stride ahead in the polls.
In one, the cheap thrills of Primark robustly stride ahead as the face of fast fashion – sales were up 22% in figures from 14 September.
