uppertrack
nounUK /ˈʌpətræk/
US /ˈʌpərtræk/
The top part of a track where you go up high.
The train climbed the uppertrack to reach the mountain station.
OTHER MEANINGS
2. The higher lane or path on a running track.
She ran in the uppertrack during the race.
3. A higher level or position in a system or game.
He moved to the uppertrack after winning the first round.
4. The top part of a roller coaster or ride.
The cart slowed down at the uppertrack before the big drop.