Merthyr Town clinched the Southern League Premier South title with a 3-0 victory over Hungerford Town.
Kane Simpson fired home at the back post to put the hosts ahead in the final stages of the first half in front of more than 3,000 supporters at Penydarren Park.
Simpson bagged his second of the afternoon on 84 minutes to kick-start the celebrations in Merthyr.
Ricardo Rees capped off a fine afternoon for The Martyrs with his side's third goal in added time.
"It's unbelievable, 32 games unbeaten and we've lost just one home game, you can't ask for better," chairman Les Barlow told Radio Wales Sport.
"At the moment, we don't know exactly if we're going to be in the South or North, it's still not settled, but it makes no difference."
Fan-owned Merthyr - who will be playing in the sixth-tier National League South or North next season - sign off a memorable 2024-25 campaign at relegation-threatened Basingstoke on Saturday, 26 April (15:00 BST).