William Casteel
ID 280769
Born : 1928 Cat. M95 Ultrarunner since 1981 USA
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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 ?USAUnited States
68,7%
Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 2 518; Σ finishers = 3 667. 2 518 / 3 667 × 100 = 68.67%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28
Km — ultra races2 373 km
> 100 km4
> 160 km3
Longest race160,9 km
6th Wasatch Front 100 Mile — 13/9/1985

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road2,1%
Trail97,9%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0

Records

50 km5h03'0550 mi8h07'00100 mi23h05'00

HISTORY

28 race(s)
DateRacePerf.Rk
1987
12.04 50mi USA8th American River 50 Mile Endurance Run 10:56:29 h291
1986
29.11 28mi USA2nd Quad Dipsea Trail Run 7:42:40 h67
13.04 50mi USA7th American River 50 Mile Endurance Run 9:51:15 h222
1985
30.11 28mi USA1st Quad Dipsea Trail Run 6:30:22 h60
13.09 100mi USA6th Wasatch Front 100 Mile 34:26:39 h33
14.04 50mi USA6th American River 50 Mile Endurance Run 10:25:14 h187
06.04 52.4mi USAThe Forty-Niner Double Marathon Trail Run 11:47:40 h104
1984
06.10 51mi USACow Mountain Trail Run 9:27:00 h55
12.05 50mi USA1st Quicksilver 50 Mile Endurance Run 9:32:27 h8
15.04 50mi USA5th American River 50 Mile Endurance Run 9:52:29 h252
04.03 50mi USAFour Peaks Fifty Run 10:08:02 h31
1983
26.12 50mi USA2nd Recover From The Holidays Fat Ass 50 8:47:00 h14
08.10 48.6mi USACow Mountain Planet Earth Run 9:12:42 h42
08.10 50mi USA1st Dick Collins Firetrails 50 Mile 11:03:00 h8
27.08 40mi USATimberline Trail 9:40:13 h37
07.08 50km USA2nd Skyline 50k Endurance Run 7:39:55 h190
25.06 93.5mi USA10th Western States 100 Mile Endurance Run 27:25:00 h151
28.05 50mi USADonner Trail 50 Miler 10:11:00 h12
17.04 50mi USA4th American River 50 Mile Endurance Run 9:31:05 h251
1982
26.12 50mi USA1st Recover From The Holidays Fat Ass 50 8:07:00 h8
07.11 41.2mi USAGrand Canyon Double Crossing 12:06:31 h32
02.10 48.6mi USACow Mountain Planet Earth Run 9:01:50 h47
14.08 50mi USADonner Trail 50 Miler 11:45:00 h2 🥈
01.08 50km USA1st Skyline 50k Endurance Run 5:03:05 h120
08.05 100mi USADonner Trail 100 Miler 23:05:00 h10
18.04 50mi USA3rd American River 50 Mile Endurance Run 11:08:45 h270
1981
29.11 50km USAUltra Challenge 50 km 5:24:18 h33
10.10 100mi USACalifornia Road Runners 100 Mile Endurance Run 27:15:00 h9