William Clifton
Ultrarunner since 1980 RSA
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
10
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 ?RSASouth Africa
16,5%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 860; Σ finishers = 5 220. 860 / 5 220 × 100 = 16.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races112 km
Longest race56,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

No record for a classic ultra format

HISTORY

2 race(s)
DateRacePerf.Rk
1985
06.04 56km RSA16th Two Oceans Marathon 4:09:30 h436
1980
05.04 56km RSA11th Two Oceans Marathon 4:29:54 h426