Complex sentence: It was first run in 1859 as the Zukunfts-Rennen with a distance of 1,000 metres, which was increased to 1,200 metres in 1883.
Split into simpler sentences: It was first run in 1859 as the Zukunfts-Rennen. The original distance of the race was 1,000 metres, which was increased to 1,200 metres in 1883.