There's a few pro video guys here who can provide better feedback but over all pretty good, not to shaky but the splices seem too abruptly, maybe a transition would help. I liked the music choice but consider putting in a subtitle which trails you are riding. I'd love if someone would add a PIP of the park and show where they were riding. Sort of like what you see on a car racing video game.
Like the idea of the map. seems well done for a first person point of view, but honestly, I don’t think anyone wants to watch 5 minutes of helmet cam no matter how well it is done, you need different angles.