William Sichel
Born : 1953 Cat. M70 Ultrarunner since 1994 GBR
93
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
160
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
23
Countries visited ?AUSAustraliaAUTAustriaBELBelgiumCZECzechiaFINFinlandFRAFranceGBRUnited KingdomGERGermanyGREGreeceHUNHungaryIRLIrelandITAItalyJPNJapanMONMonacoNEDNetherlandsNORNorwayRSASouth AfricaRUSRussiaSUISwitzerlandSVKSlovakiaSWESwedenTPETaiwanUSAUnited States
22,3%
Rank quotient ?This runner's calculation uses 106 eligible race(s): Σ(rank − 1) = 5 247; Σ finishers = 23 513. 5 247 / 23 513 × 100 = 22.32%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed106
Km — ultra races34 100 km
> 100 km75
> 160 km65
> 200 km50
> 24h61
> 48h25
Longest race4 989,0 km

Km per year (ultra races)

2022
2023
2024
2025
811
3 races
2026

Race types (share of distance)

Road90,9%
Trail1,7%
?7,4%

Wins & podiums (ultra)

🏆 Win12
🏆 Win M14
🏅 Top 334
🏅 Top 3 M37
Longest winning streak2
Current streak0

HISTORY

129 race(s) · 59 split(s) nested
DateRacePerf.Rk
2026
03.09 6d road race HUNXV. EMU 6-Day Race 485.698 km69
30.05 12h SVK15. Sri Chinmoy Self-Transcendence 12-Std.-Lauf Samorin 92.515 km7
27.03 48h ITA6^ Cinisello Balsamo Running Festival - GOMU World Championship 48 Hour 232.487 km87
2020
16.01 1000km GRE15th Athens Int. Ultramarathon Festival - 1000 mi: 1000 km Split 9d 19:46:45 h2 🥈
2019
25.08 6d USA2nd Six Days in the Dome - The Redux 699.810 km11
2018
17.06 1000km USA22th Self-Transcendence 3100 Mile Race - 1000km Split 10d 00:44:34 h5
17.06 1000mi USA22th Self-Transcendence 3100 Mile Race - 1000mi Split 17d 05:20:32 h10
16.03 50km AUS3rd Canberra 48hr Race - 50km Split 6:34:18 h18
16.03 100km AUS3rd Canberra 48hr Race - 100km Split 14:14:46 h14
16.03 100mi AUS3rd Canberra 48hr Race - 100mi Split 24:31:55 h8
16.03 48h AUS3rd Canberra 48hr 255.226 km9
2017
25.11 12h NORBislett 24h hour indoor challenge - 12h Split 99.918 km58
25.11 6h NORBislett 24h hour indoor challenge - 6h Split 54.600 km62
25.11 100mi NORBislett 24h hour indoor challenge - 100mi Split 21:20:46 h36
25.11 24h NORBislett 24h hour indoor challenge 176.910 km32
29.09 12h HUN1st EMU 24 - 48 hour Int. Run Races - 48h - 12h Split 92.398 km10
29.09 24h HUN1st EMU 24 - 48 hour Int. Run Races - 48h - 24h Split 171.178 km7
29.09 48h HUN1st EMU 24 - 48 hour Int. Run Races - 48h 305.567 km6
01.04 24h GBRFreedom Leisure British Ultrafest 175.510 km7
2016
23.10 6d FRAXIè 6 Jours de France 636.125 km15
24.09 24h SUI9 24-Stundenlauf Aare-Insel Brugg 194.160 km2 🥈
29.05 89km RSA91st Comrades Marathon - Down Run 9:29:02 h3704
27.03 100km GBRSelf Transcendence 100 km Perth 10:13:37 h25
2015
20.11 48h NORBislett 48h hour indoor challenge 315.565 km4
19.09 24h GBR25th Self-Transcendence 24 Hour Track Race Tooting Bec 189.885 km5
06.05 6d HUN5th EMU 6 Day World Trophy 603.033 km29
08.03 40mi GBR29th Barry 40 Mile Track Race 5:47:35 h10
2014
15.06 3100mi USA18th Self-Transcendence 3100 Mile Race 0:00:00 h7
14.02 48h TPE3rd Taipei 48hr Ultra Marathon 251.168 km14
2013
28.12 6d USA29th Across the Years, 6 days 761.470 km4
23.11 24h MON14e 24 heures 'No Finish Line', Monaco 103.167 km31
16.11 8d MON14e 8 jours 'No Finish Line', Monaco 862.640 km2 🥈
11.08 6d GBRBritish Ultra Fest 6 day race 829.972 km2 🥈
08.05 6d HUN3rd Int. 6-day Ultramarathon Balatonfüred 755.195 km5
2012
24.11 24h MON13e 24 heures 'No Finish Line', Monaco 122.040 km24
17.11 8d MON13e 8 jours 'No Finish Line', Monaco 1019.712 km2 🥈
24.08 48h SWESkövde Ultrafestival 48h 303.691 km5
22.04 6d USA15th Sri Chinmoy 6 Day Race 741.907 km3 🥉
2011
12.11 8d MON12e 8 jours 'No Finish Line', Monaco 1002.290 km1 🏆
23.09 24h GBRCommonwealth 24 Hour Championship 157.269 km34
15.07 48h GER2. Internationaler 48h Bahnlauf in Köln 334.714 km1 🏆
04.05 6d HUN1st Int. 6-day Ultramarathon Balatonfüred 834.189 km1 🏆
02.04 12h GBRCrawley A.I.M. Charity 12 hour track race 113.420 km4
2010
02.12 48h FRA1ère Ultra Indoor Normand 326.565 km2 🥈
15.10 48h FRA2ème Les 48 heures de Royan 320.964 km6
04.09 24h GBRPerth Ultra Fest 24 Hour Race 191.781 km7
15.03 1000mi GRE1000 Miles World Cup Athen 13d 20:08:01 h2 🥈
30.01 24h FINIII Endurance 24 h Ultrarun Helsinki 175.946 km28
2009
17.09 24h GBRCommonwealth Championships 24 hour race 214.006 km12
11.07 100km GBREast Hull Harriers 24 Hours Track Race - 100km Split 10:54:57 h6
11.07 24h GBREast Hull Harriers 24 Hours Track Race 187.428 km2 🥈
03.04 6d GRE4th 7 days Athens Int. Ultramarathon Festival - 6d Split 751.000 km1 🏆
03.04 7d GRE4th 7 days Athens Int. Ultramarathon Festival 805.000 km1 🏆
2008
29.12 72h USA26th Across the Years, 72h 433.500 km1 🏆
18.10 24h GBR19th Self-Transcendence 24 Hour Track Race Tooting Bec 200.492 km9
13.09 24h GBRPerth Ultra Fest 24 Hour Race 201.696 km3 🥉
29.06 6d GER6 Tagelauf in Hamm 857.070 km1 🏆
16.05 24h FRA23ème des 48 heures pédestres de Surgères - 24h Split 196.335 km13
16.05 48h FRA23ème des 48 heures pédestres de Surgères 340.797 km7
27.03 24h GRE3rd 24hr Athens Int. Ultramarathon Festival 190.000 km3 🥉
2007
17.11 8d MON8e 8 jours 'No Finish Line' Monaco 809.230 km2 🥈
17.11 6d MON8e 8 jours 'No Finish Line' Monaco - 6d Split 807.610 km1 🏆
28.09 245.3km GRE25. Spartathlon 29:01:29 h9
21.07 24h AUT19. Wörschacher 24-Stunden Benefizlauf 216.443 km3 🥉
12.05 24h SUI19. Self-Transcendence 24h Lauf Basel 187.635 km17
16.03 48h CZE12. Brno Spring 48 Hour Indoor 344.267 km7
16.03 24h CZE12. Brno Spring 48 Hour Indoor - 24h Split 187.755 km15
2006
18.11 48h MON7e 8 jours 'No Finish Line' Monaco - 48h Split 270.144 km5
18.11 6d MON7e 8 jours 'No Finish Line' Monaco - 6d Split 770.247 km1 🏆
18.11 8d MON7e 8 jours 'No Finish Line' Monaco 770.247 km2 🥈
14.10 24h GBR17th Self-Transcendence 24 Hour Track Race Tooting Bec 176.255 km17
24.07 135mi USA20th Badwater Ultramarathon 31:36:12 h7
26.05 24h NED27e 24 uurs Apeldoorn 127.259 km23
24.03 24h CZE11. Brno Spring 48 Hour Indoor - 24h Split 138.500 km24
24.03 48h CZE11. Brno Spring 48 Hour Indoor 264.250 km14
2005
26.11 24h MON6e Monaco '24 heures No Finish Line' 165.000 km5
30.09 245.3km GRE23. Spartathlon 33:14:20 h37
16.07 24h AUT17. Open race at IAU 24h WC & EC Wörschach 146.396 km69
07.05 24h SUI17. Self-Transcendence 24h Lauf Basel 116.470 km48
2004
31.12 24h USA22nd Across the Years, 24h 219.500 km1 🏆
23.10 6h CZEOpen race at IAU 24h WC & EC Brno - 6h Split 62.392 km5
23.10 12h CZEOpen race at IAU 24h WC & EC Brno - 12h Split 122.072 km2 🥈
23.10 24h CZEOpen race at IAU 24h WC & EC Brno 214.627 km3 🥉
21.05 24h NED25e 24 uurs Apeldoorn 216.313 km5
19.03 48h CZE9. Brno Spring 48 Hour Indoor 211.632 km29
2003
11.10 12h NEDOpen race at IAU 24h WC & EC Uden - 12h Split 122.549 km44
11.10 24h NEDIAU 24h EC Uden 204.814 km48
11.10 24h NEDIAU 24h WC Uden 204.814 km61
23.08 35.5mi GBRTwo Bridges race 4:07:30 h9
11.07 48h GER10. 48-Stunden-Self-Transcendence-Lauf Köln 254.760 km14
03.05 24h SUI15. Self-Transcendence 24h Lauf Basel 217.602 km4
02.03 40mi GBR17th Barry 40 Mile Track Race 4:41:40 h4
2002
20.10 100mi GBR100 Miles Crystal Palace Track Race 15:17:47 h3 🥉
14.09 50km NED27. IAU 100km EC Winschoten - 50km Split 3:46:16 h44
14.09 100km NED27. IAU 100km EC Winschoten 7:51:11 h40
12.07 24h GER14. 24-Stunden-Self-Transcendence-Lauf Köln 188.290 km5
2001
04.08 12h GBRBoston Games 12hr Track Race 141.501 km1 🏆
25.05 24h NED8th IAU 24h EC Apeldoorn (22e 24 uurs Apeldoorn) 200.599 km33
28.04 6h GBRGeorge Littlewood 6 hr Challenge 76.009 km3 🥉
03.03 24h TPE2nd Soochow/Taipei 24h ultramarathon 188.600 km6
2000
21.10 24h NED7th IAU 24h EC Uden 159.144 km73
09.07 100km GBREdinburgh Self Transcendence 100km 8:51:39 h18
02.06 24h NED21e 24 uurs Apeldoorn 122.011 km41
13.05 24h SUI13. Self-Transcendence 24h Lauf Basel 246.704 km1 🏆
16.04 50km GBR7th Speyside Way 50km Race 3:26:54 h2 🥈
1999
25.09 24h ITA5^ IAU 24h EC Verona (Lupatotissima 24 ore) 172.326 km24
18.07 100km GBREdinburgh Self Transcendence 100km 7:32:19 h1 🏆
19.06 100km IRL100 km Dublin 7:32:40 h4
15.05 100km FRAOpen Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée) 7:30:53 h60
15.05 100km FRAIAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée) 7:30:53 h46
11.04 50km GBR6th Speyside Way 50km Race 3:30:04 h5
1998
07.11 24h FRA20ème 24 heures de Niort 240.291 km3 🥉
18.10 100km JPNIAU 100km WC Nakamura (5th River Shimanto 100km) 7:46:26 h22
12.09 100km NED23. RUN Winschoten 100 km 7:16:24 h7
19.06 100km BEL19. Nacht van Vlaanderen, 100km Torhout 7:21:31 h28
10.05 100km GBR100 km Greenwich 7:26:33 h2 🥈
1997
13.09 100km NEDIAU 100km WC (RUN Winschoten 100 km) 7:27:56 h46
13.09 100km NED22. RUN Winschoten 100 km - open race 7:27:56 h46
31.05 100km ITAIAU 100km EC Firenze (25^ 100 km del Passatore) 7:44:59 h20
1996
12.10 24h GBR9th Self-Transcendence 24 Hour Track Race Tooting Bec 202.549 km1 🏆
25.08 100km FRA100 km de Cléder 7:31:46 h30
21.06 100km BEL17. Nacht van Vlaanderen, 100km Torhout 7:07:49 h11
04.05 100km RUSIAU 100km WC Moskau 7:19:11 h25
1995
16.09 100km NED20. IAU 100km WC Winschoten 7:17:39 h46
30.07 100km GBREdinburgh Self Transcendence 100km 7:28:18 h2 🥈
21.05 100km GBR100 km Nottingham 7:32:09 h3 🥉
1994
02.10 88.5km GBR44th London to Brighton Road Race 6:37:58 h8
31.07 100km GBRSri Chinmoy 100 km Road race Edinburgh 8:01:10 h1 🏆
29.05 39.5mi GBR37th Isle of Man TT course 40 miler 4:29:57 h2 🥈