David Swan

Born : 1951 Cat. M75 Ultrarunner since 1990

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

South Africa

72,1%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 5 832; Σ finishers = 8 091. 5 832 / 8 091 × 100 = 72.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races310 km

Longest race56,0 km

21st Two Oceans Marathon — 14/4/1990

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road18,1%

Trail81,9%

Records

50 km7h49'39

HISTORY

6 race(s)

Date		Race	Perf.	Rk
2013
06.07	52km	25th Rhodes 52 km Trail Run	8:26:41 h	215
2004
17.07	52km	16th Rhodes 52 km Trail Run	8:30:28 h	279
2001
01.09	50km	9. Mont-Aux-Sources 50km Challenge	7:49:39 h	188
1999
04.09	50km	7. Mont-Aux-Sources 50km Challenge	8:57:57 h	169
1998
05.09	50km	6. Mont-Aux-Sources 50km Challenge	8:54:32 h	148
1990
14.04	56km	21st Two Oceans Marathon	5:34:00 h	4839

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	14/4/1990	21st Two Oceans Marathon	56,00	×3
✓ 2	6/7/2013	25th Rhodes 52 km Trail Run	52,00	×3
✓ 3	17/7/2004	16th Rhodes 52 km Trail Run	52,00	×3
✓ 4	1/9/2001	9. Mont-Aux-Sources 50km Challenge	50,00	×3
✓ 5	4/9/1999	7. Mont-Aux-Sources 50km Challenge	50,00	×3
✓ 6	5/9/1998	6. Mont-Aux-Sources 50km Challenge	50,00	×3