This is the 809th most frequent German word.
vorsprung
"Vorsprung" means "advantage" or "head start" in English.
Here, 'Vorsprung' means 'lead' or 'advantage' referring to the positional advantage the runner has gained in the race.
Der Vorsprung des Läufers wurde immer größer.
The runner's lead kept increasing.
Here, 'Vorsprung' means 'overhang' and refers to a physical projection or protrusion, in this case, of the cliff.
Das Haus wurde am Vorsprung der Klippe gebaut.
The house was built on the overhang of the cliff.
In this context, 'Vorsprung' is translated as 'advantage' and refers to the superiority obtained through technology.