Robert Singer
Born : 1917 Cat. M95 Ultrarunner since 1960 SUI
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?SUISwitzerland
20,8%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 088; Σ finishers = 5 236. 1 088 / 5 236 × 100 = 20.78%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed9
Km — ultra races900 km
Longest race100,0 km
12. 100 km Lauf Biel — 12/6/1970

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%