All of them.
3140 ' = 1046.666 yd
You could get 24 characters in all
3140
To unlock all characters in Skate 3 without using cheats, you need to progress through the game's career mode and complete various challenges and objectives. Focus on finishing the game’s events and competitions, as many characters are unlocked by completing specific tasks or reaching certain milestones. Additionally, you can also unlock characters by obtaining high scores in various challenges, which will help you access more content and characters as you advance.
It has 16 forward and 8 reverse.
2 raptros and zorgulon
Approx 2450 times.
24, you start off with 12 and unlock 12.
You can get up to 17 characters in Mario 7 including Mii character. 9 of these are ones that you need to unlock.
to unlock everything you can either unlock characters/items by playing expiedition mode or doing challenge mode which you can unlock by defeating Bowser Jr through many journeys in super sluggers
you need to win at least one game with all characters to unlock captain falcon
There are many secret characters in Brawl to get them you can do various things for each character, but the easiest way to get them all is by beating the subspace emissary mode 100%.