When Wrexham look back on this historic treble promotion-winning season, there are dozens of moments that stand out.

Elliot Lee scoring a 95th minute winner to beat Crawley Town away from home in February; two Steven Fletcher winners during the festive period against Blackpool and Wigan Athletic; even winning the season opener in a five-goal thriller against season-long promotion rivals, Wycombe Wanderers.

But, perhaps among the most crucial of all, came when co-chairmen Ryan Reynolds and Rob McElhenney intervened.

Yet, in two instances this season Reynolds and McElhenney have intervened at key moments in the season, moments where the season looked on the cusp of crumbling.

After a 2-2 draw away to relegation-threatened Cambridge United, Reynolds headed to North Wales and gathered the players into a huddle in the changing room before they faced Burton Albion.

Ryan Reynolds and Rob McElhenney were in attendance as Wrexham sealed promotion again

Reynolds kissed his wife Blake Lively after Wrexham’s opening goal in their decisive victory

An expletive-laden rant followed, according to dressing room sources, and it had the desired effect. Wrexham won 3-0 and took control of their destiny in the automatic promotion race.

Similarly, McElhenney felt a motivational talk of his own was due after a disappointing 1-1 home draw against Bristol Rovers, another relegation-threatened side, saw promotion no longer in Wrexham’s hands.

Twenty four hours before facing Blackpool in a must-win Easter Monday match, McElhenney gave an impassioned 10-minute speech to the squad. Those in the room were said to be left in awe.

‘It was unbelievable really,’ midfielder George Dobson told Mail Sport of the speech many have cited as a lightning rod to getting them over the line.

‘He just said there’s no pressure, go back to that 12-year-old boy and just play as you would as a kid with your friends.

‘It was just along those lines but a really inspirational, motivational speech and the whole group bought into it.

‘You can really sense in the way he was talking how much it meant to him. It was a really enjoyable 10 minutes or so and I really do think it helped the group.’

Reynolds and McElhenney regularly make themselves available to players via WhatsApp and having spent the past week over here, McElhenney made sure he could have some one-on-one time with ousted star names of previous promotions such as Paul Mullin.

Sam Smith scored a superb second as Wrexham beat Charlton 3-0 to a Championship berth

Reynolds and McElhenney have largely let Phil Parkinson to run the football side of things

McElhenney gave an impassioned 10-minute speech to Wrexham’s squad on Easter Monday ahead of their must-win match against Blackpool, one of the occasions they have intervened

Wrexham beat Blackpool after the speech, which was said to have left the squad in awe

McElhenney has made sure he could have some one-on-one time with Paul Mullin this week

‘I’ve been at clubs before where you have no interaction whatsoever [with owners],’ Dobson added.

‘Some owners it’s a bit of a show but they genuinely care so much about the club and the whole community.’

This is, however, a promotion built on far more than rallying cries from a pair of Hollywood actors. It has been a promotion built on grit, a defence-minded approach and the experience of a dressing room that is one of the oldest in the league.

The jibe from Wrexham’s rivals for much of the season is that the in-vogue North Wales team is the EFL’s equivalent to a retirement home.

Parkinson has carefully built out his squad but age has not been an off-putting factor with 38-year-old Mark Howard and Steven Fletcher joined by 36-year-old James McClean, 35-year-old Jay Rodriguez, 33-year-old Matty James and Ollie Palmer, while there are five 30-year-old players who have seen minutes this season in Jack Marriott, Mullin, George Evans, Lee and Dan Scarr.

Howard is nicknamed ‘Jurassic Mark’ in the dressing room while James has coined the nickname ‘sleeping tablet’. The age jibes have become self-deprecating in a dressing room that has embraced experience to grind out results.

It has paid off tenfold, too. Fletcher, with winning goals against Blackpool, Wigan Athletic, Peterborough United, and Huddersfield Town, has won at least eight points for the Dragons.

On Good Friday, James scored a crucial equalising goal against Bristol Rovers, while McClean scored the decisive opening goal to kickstart the 2-1 win over Blackpool at Bloomfield Road.

James McClean, 36, is one of a number of veteran stars that have helped guide Wrexham to the Championship this season

Goalkeeper Mark Howard is nicknamed Jurassic Mark – a nod to his advanced age at 38

Wrexham’s season appeared on the verge of crumbling on occasion, but the club have been able to turn to an experienced core to help get the group over the line in the play-off race

‘The experienced lads we’ve got are great role models but I spoke to the lads before the Blackpool game about producing big moments in games and stepping up to the plate,’ Parkinson told Mail Sport.

‘Jimmy showed he’s a big match player. Matty the previous game produced a moment when it was needed most.

‘You go back at the last 15 games and we have had people produce big moments, not just goals.

‘Arthur [Okonkwo] save at Wycombe away when we were 1-0 up down to his left was outstanding and is the type of thing you need to win football games.’

James, who only joined in late October, has made more than 30 appearances, while McClean, the fittest player in the squad if the pre-season bleep test (which he won) is anything to go by, has plugged in more than 40 to get this group over the line.

When the going got tough for Parkinson in a season where much more has gone right than wrong he has been able to lean on the quartet of McClean-James-Fletcher-Rodriguez who, between them, have 641 Premier League appearances to lean on.

As players walk down the stairs from the in-stadium gym there is a message written on the wall in front of them in big bold white lettering: ‘Talent wins games. Teamwork wins titles.’

That, too, feels apt for Wrexham’s historic third straight promotion given there is every chance they go up without managing to land a single player in the League One Team of the Season.

Successes in the National League and League Two saw Mullin, Lee and Palmer all front and centre of the side. Mullin in particular spent the past two seasons in Golden Boot contention before becoming a marginalised figure this time around.

But those who have followed Wrexham at close quarters this season have seen a grit instilled into a side that has become defence-first.

That sentiment was no more appropriate than when No 1 goalkeeper Arthur Okonkwo broke his wrist against Mansfield Town, only to play on to preserve a clean sheet in a 1-0 win.

Dressing room sources spoke of reviving an underdog mentality during the League One season

Those who have followed Wrexham at close quarters this season have seen a grit instilled into a side that has become defence-first

Mullin was a star of the last two promotion campaigns but has been marginalised this time

‘Last year we conceded a lot of goals at the start and it took us a while to adapt back into league football,’ Parkinson told Mail Sport when reminded of the fact his side shipped 14 goals through their first five League Two games. They have conceded just 34 in total this time around to make them a top five EFL rearguard.

‘There has been good consistency about the way we’ve played this year and structure from the whole team out of possession.

‘We always stress that the best players do both sides of the game and to get in the team you have got to do that for us. The lads have really bought into what’s been required this year.’

Dressing room sources spoke of reviving an underdog mentality and a back-to-the-wall approach that players have embraced, rather than shirked.

Only Burnley (15), Leeds United (29), Birmingham City (30) and AFC Wimbledon (33) have been more watertight than a Wrexham side that have managed 22 clean sheets.

March was a key month for Wrexham with six clean sheets from seven games, losing only once that month 2-0 away to Reading. It has been a foundation that has made Wrexham so difficult to beat and has been a primary factor to bringing Championship football to North Wales next season.

But, above all else, you ask staff what they think the secret is to three-straight promotions – a feat no other side coming from non-league has managed in EFL history – and they pinpoint moments where family has trumped all.

The run-in was a perfect example of that. Pressure ramped to the max, Parkinson no doubt feeling the pressure after a smattering of boos from fans as vital points appeared to be dropped, it would have been easy to shut everyone out.

He chose not to, though. And in the lead up to the promotion-clinching game against Charlton Athletic, one training session was centred around the visit of 12-year-old Archie White, who has been battling myeloid sarcoma, an extremely rare type of cancer, since last year.

White is a super fan of the club but has had to follow much of this promotion campaign from his hospital bed at Alder Hey.

Players went to visit his bedside over Christmas but with McElhenney – who has been in touch every week since being introduced to Archie over FaceTime in November – in town he wanted to give him a personal tour of the stadium, get a special walk of the pitch while Mullin and Parkinson invited the youngster into training.

Players and coaches came away from the meeting, sources say, incredibly moved.

Staff have pinpointed moments where family has trumped all in Wrexham’s race for promotion

McElhenney, Lively and Reynolds greet a Wrexham fan ahead of the promotion winning match

Wrexham players were able to toast their hard fought promotion to the second tier 

Wrexham fans invaded the pitch at full time as the club’s stunning rise continued 

McElhenney and Reynolds’s side have become the first team to claim three consecutive promotions to rise from the non-league to the second tier

‘Young Archie at the training ground, what a great young man he is,’ Parkinson added.

‘He’s an inspiration with how he is coping with his problems. That is what a football club is all about, being part of the community.

‘Wrexham is at the heart of this town and any supporter or anyone who can benefit from connecting with us we try and do that.’

So, yes, there have been rallying cries that would not look out of place on a Hollywood set, a defence that has been the envy of clubs right across the EFL pyramid, and a ‘retirement home’ core of players that have dragged this team over the line.