Willem van Dam
ID 23932
Born : 1963 Cat. M60 Ultrarunner since 2003 NED
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
3
Countries visited ?NEDNetherlandsNZLNew ZealandUSAUnited States
17,8%
Rank quotient ?This runner's calculation uses 53 eligible race(s): Σ(rank − 1) = 2 649; Σ finishers = 14 842. 2 649 / 14 842 × 100 = 17.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed53
Km — ultra races3 768 km
> 100 km4
> 160 km3
Longest race160,9 km
44th Western States 100 Mile Endurance Run — 24/6/2017

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road9,3%
Trail90,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0

Records

50 km3h57'52100 km9h19'4450 mi6h55'41100 mi24h45'306 h70,66 km

HISTORY

54 race(s) · 1 split(s) nested
DateRacePerf.Rk
2017
24.06 100mi USA44th Western States 100 Mile Endurance Run 29:36:14 h233
11.02 102km NZL9th Tarawera 100 km Ultramarathon 12:35:32 h101
2016
16.07 100mi USA15th Tahoe Rim Trail 100M Endurance Run 29:24:03 h62
14.05 100km USA33rd Quicksilver 100 km Endurance Run 12:53:40 h32
09.04 50mi USA8th Lake Sonoma 50 Mile Race 9:18:48 h81
05.03 50km USA27th Way Too Cool 50K Endurance Run 4:49:38 h115
2015
28.11 28mi USA31st Quad Dipsea Trail Run 5:35:21 h44
22.08 100km USA14th Waldo 100K Trail Run 13:11:16 h28
09.05 100km USA32nd Quicksilver 100 km Endurance Run 12:07:30 h33
07.03 50km USA26th Way Too Cool 50K Endurance Run 4:46:40 h133
2014
13.09 100mi USA5th Pine to Palm 100 Mile Endurance Run 24:45:30 h27
02.08 50mi USA2nd San Francisco 50 Mile Endurance Run 8:53:18 h7
08.03 50km USA25th Way Too Cool 50K Endurance Run 4:53:54 h137
2013
24.08 60km USA7th Capt'n Karl's Trail Series - Reveille Peak Ranch 8:16:23 h18
03.08 50mi USA1st San Francisco 50 Mile Endurance Run 9:20:32 h12
06.04 50mi USA13th Hells Hills 50 Mile Race 8:46:11 h6
02.03 50mi USA4th Nueces 50 Mile Trail Run 8:56:52 h22
2012
03.11 50km USA20th Rocky 50 km Trail Run 4:55:48 h6
05.05 100km USA17th Miwok 100k Trail race 12:44:23 h64
07.04 50mi USA12th Hells Hills 50 Mile Race 9:21:54 h14
10.03 50km USA23rd Way Too Cool 50K Endurance Run 4:39:24 h93
2011
23.04 50mi USA25th Ruth Anderson Ultra 50mi 6:55:41 h2 🥈
12.02 50km USA2nd Cool Trail Runs 5:37:00 h7
2010
27.11 28mi USA26th Quad Dipsea Trail Run 5:28:09 h32
09.10 50mi USA28th Dick Collins Firetrails 50 Mile 8:32:56 h33
18.09 50km USA7th Redwood Park 50K Trail Run 4:49:14 h9
01.08 50km USA29th Skyline 50k Endurance Run 4:37:35 h13
01.05 100km USA15th Miwok 100k Trail race 10:38:19 h43
13.03 50km USA21st Way Too Cool 50K Endurance Run 4:50:10 h59
2009
21.11 50mi USA47th JFK 50 Mile 7:29:05 h48
02.08 50km USA28th Skyline 50k Endurance Run 4:57:36 h28
16.05 50km NED25e Eemlake Run (Eemmeerloop) 4:20:17 h12
13.04 60km NED10e De Zestig van Texel 6:19:34 h169
17.01 50km USA6th Pacifica 50 km Trail Run - Winter Edition 5:45:04 h16
2008
05.10 6h NED6h Ultraloop Amersfoort 70.658 km4
17.05 50km NED24e Eemlake Run (Eemmeerloop) 3:57:52 h5
2007
17.11 50mi USA45th JFK 50 Mile 7:35:33 h45
08.09 50km NED32. RUN Winschoten 100 km - 50km Split 4:31:50 h174
08.09 100km NED32. RUN Winschoten 100 km 9:19:44 h152
09.04 60km NED9e De Zestig van Texel 5:21:55 h36
17.02 50km USA3rd Sequoia Trail Run 5:47:28 h10
2006
22.04 50km USA20th Ruth Anderson Ultra 50km 4:03:45 h2 🥈
11.03 50km USA17th Way Too Cool 50K Endurance Run 5:02:26 h73
04.02 50km USA28th Jed Smith Ultra Classic - 50 km Race 4:18:13 h10
2005
19.11 50mi USA43rd JFK 50 Mile 7:43:11 h41
27.08 31.5mi USA8th Tamalpa Headlands 50K 5:36:45 h56
16.07 50km USA4th Tahoe Rim Trail 50km Endurance Runs 6:40:55 h27
04.06 50km USA16th Shadow of the Giants 50K 5:24:46 h27
02.04 50mi USA26th American River 50 Mile Endurance Run 8:35:00 h75
12.03 50km USA16th Way Too Cool 50K Endurance Run 5:06:18 h94
2004
27.11 28mi USA20th Quad Dipsea Trail Run 5:49:09 h63
27.03 50km USA3rd Pirates Cove Trail Run 5:51:56 h13
2003
22.11 50mi USA41st JFK 50 Mile 8:53:12 h118
23.08 31.5mi USA6th Tamalpa Headlands 50K 6:19:45 h112