Haywood Crowder
Born : 1942 Cat. M80 Ultrarunner since 2009 USA
20
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
72,1%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 859; Σ finishers = 1 191. 859 / 1 191 × 100 = 72.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races1 870 km
> 100 km7
> 160 km6
> 24h10
> 48h5
Longest race163,3 km

Km per year (ultra races)

309
3 races
2022
262
3 races
2023
48
1 race
2024
148
2 races
2025
2026

Race types (share of distance)

Road60,2%
Trail39,8%

HISTORY

20 race(s) · 7 split(s) nested
DateRacePerf.Rk
2025
30.12 55h USA13th Snowdrop Ultra 55 Hour Race 102.225 km119
11.10 24h USA7th Cape Fear 24 Hour Endurance Run 45.715 km101
2024
10.02 12h USA11th Whispering Pines 12 Hours 48.280 km32
2023
30.12 55h USA11th Snowdrop Ultra 55 Hour Race 163.340 km41
30.09 12h USA9th Tick Tock 12 Hour Ultra Florida 50.275 km37
18.02 12h USA10th Whispering Pines 12 Hours 48.280 km53
2022
30.12 55h USA10th Snowdrop Ultra 55 Hour Race 162.221 km45
13.08 24h USA1st South Bay 24 89.962 km29
20.02 24h USA9th Jackpot Ultra Running Festival 24 Hour Race 56.327 km16
2019
10.08 50mi USA10th Beast of Burden Summer 50 Miler 19:55:12 h44
2015
14.02 24h USA2nd Jackpot Ultra Running Festival 24 Hour Race 95.755 km36
2013
22.11 48h USA13th Ultracentric 48 Hour Run 45.061 km12
25.05 24h USA5th Nanny Goat 24 Hour Race 57.936 km85
20.04 100mi USA1st Philadelphia 100-Mile UltraRun 28:45:00 h6
2012
16.11 48h USA12th Ultracentric 48 Hour Run 160.934 km17
10.11 100mi USA1st Run D'Amore 100M Endurance Run 34:04:12 h18
07.04 100mi USA4th Philadelphia 100 Endurance Run 33:30:00 h14
2011
01.10 50km USA1st Chino Hills 50K Race 9:20:02 h23
2010
17.01 50km USA6th Calico Trail Run 50 km 9:43:11 h93
2009
22.08 50mi USA5th Lean Horse Ultra-Marathon 50 Mile 17:18:17 h58