Clarrie Jack
ID 36406
Born : 1945 Cat. M80 Ultrarunner since 1966 AUS
21
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
2
Countries visited ?AUSAustraliaNZLNew Zealand
50,9%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 119; Σ finishers = 234. 119 / 234 × 100 = 50.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21
Km — ultra races1 194 km
> 100 km1
> 160 km1
> 24h4
Longest race160,9 km
1st Edwards Lake Athletics 24h Walking Track — 23/10/1971

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road15,5%
Ult.Walk84,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M4
🏅 Top 312
🏅 Top 3 M13
Longest winning streak1
Current streak0

Records

50 km4h30'076 h52,50 km12 h88,37 km24 h160,93 km

HISTORY

22 race(s) · 2 split(s) nested
DateRacePerf.Rk
2016
06.03 6h AUS29th 6h Coburg Harriers Carnival - Walking 51.227 km2 🥈
2015
18.04 24h AUS28th 24h Coburg Harriers Carnival - Walking 46.861 km11
08.03 6h AUS28th 6h Coburg Harriers Carnival - Walking 46.195 km5
2014
04.10 6h AUS30th Australian Centurions 6 Hour walk 50.952 km1 🏆
2012
14.04 24h AUS25th 24h Coburg Harriers Carnival - Walking 48.105 km20
11.03 6h AUS25th 6h Coburg Harriers Carnival - Walking 49.845 km3 🥉
2011
05.03 6h AUS24th 6h Coburg Harriers Carnival - Walking 52.290 km2 🥈
2009
18.04 24h AUS22th 24h Coburg Harriers Carnival 49.349 km37
15.03 6h AUS22th 6h Coburg Harriers Carnival - Walking 52.504 km2 🥈
2008
30.03 6h AUS21th 6h Coburg Harriers Carnival 47.046 km17
2007
21.04 12h AUS20th 12h Coburg Harriers Carnival 88.370 km3 🥉
1986
17.08 50km AUS18th Australian 50km Road Walking Championships 4:36:17 h7
1981
12.07 50km AUS1st Race Walking World Cup - Australian trial 4:39:20 h5
1979
03.11 50mi AUS3rd VAWC George Knott 100 miles - 50 mi Split 7:57:57 h1 🏆
11.08 50km AUS14th Australian 50km Road Walking Championships 4:33:53 h3 🥉
15.04 50km NZL1st Australia vs New Zealand Racewalking 4:37:15 h1 🏆
1977
06.08 50km AUS13th Australian 50km Road Walking Championships 4:41:37 h6
10.07 50km AUS4th Victorian 50km Walking Championship 4:30:07 h3 🥉
1975
16.08 50km AUS12th Australian 50km Road Walking Championships 4:41:00 h2 🥈
1973
11.08 50km AUS11th Australian 50km Road Walking Championships 4:57:21 h2 🥈
1971
23.10 24h AUS1st Edwards Lake Athletics 24h Walking Track 160.934 km2 🥈
1966
24.09 50km AUS15th Alexander Cup 50km Walk 4:53:20 h6