Buck Blankenship
ID 765954
Born : 1981 Cat. M45 Ultrarunner since 2015 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
48
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
7,2%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 325; Σ finishers = 4 535. 325 / 4 535 × 100 = 7.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races2 648 km
> 100 km9
> 160 km8
Longest race170,6 km
10th Cruel Jewel 100 Mile — 13/5/2022

Km per year (ultra races)

171
1 race
2022
135
2 races
2023
261
2 races
2024
159
1 race
2025
322
2 races
2026

Race types (share of distance)

Trail91,8%
Stage8,2%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 310
🏅 Top 3 M11
Longest winning streak2
Current streak0

Records

50 km4h10'32100 km9h46'2150 mi7h40'34100 mi18h15'33

HISTORY

25 race(s)
DateRacePerf.Rk
2026
12.09 100mi USA15th Mogollon Monster 100 Mile 25:30:51 h7
27.06 100mi USA53rd Western States 100 Mile Endurance Run 21:39:46 h69
2025
25.10 159.2km USA23rd Javelina Jundred 100 Mile Endurance Run 18:15:33 h43
2024
07.09 100mi USA13th Mogollon Monster 100 Mile 23:48:45 h3 🥉
10.02 99.9km USA11th Black Canyon Trail 100 km Run 10:16:33 h64
2023
08.07 81.3km USA16th Leadville Silver Rush 50 Mile Run 7:40:34 h8
10.06 54km USA8th Flagstaff Extreme Big Pine 54K Trail Run 4:55:58 h6
2022
13.05 106mi USA10th Cruel Jewel 100 Mile 25:01:55 h3 🥉
2021
31.07 100km USA7th Tushars 100km Mountain Runs 14:34:21 h6
2020
15.02 100km USA7th Black Canyon Trail 100 km Run 10:10:02 h23
2019
14.09 106mi USA8th Mogollon Monster 100 Mile 21:43:10 h2 🥈
06.04 100km USA27th Leona Divide 100 km Run 9:46:21 h5
2018
01.09 50mi USA3rd Endurance Santa Fe 50 Mile 10:16:03 h1 🏆
01.06 100mi USA6th Bryce 100 Mile Trail Run 19:15:04 h1 🏆
12.05 50km USA35th Quicksilver 50 km Endurance Run 4:10:32 h3 🥉
21.04 50km USA7th Cedro Peak 50 km Ultramarathon 4:34:17 h2 🥈
17.02 55km USA12th Moab Red Hot 55k 4:59:29 h18
2017
05.08 55km USA2nd Running Rainbow Bridge Trail Ultra 6:29:20 h1 🏆
09.06 100mi USA16th San Diego 100 Mile Endurance Run 20:26:02 h3 🥉
18.02 100km USA4th Black Canyon Trail 100 km Run 11:15:56 h31
2016
24.09 100mi USA4th Flagstaff to Grand Canyon Stagecoach Line 100mi 20:49:18 h2 🥈
06.08 38mi USA4th Telluride Mountain Run 9:21:07 h21
13.02 60km USA3rd Black Canyon Trail 60 km Run 7:12:42 h13
2015
14.11 50mi USA2nd Colossal Vail 50 Mile 11:00:50 h6
26.09 55km USA3rd Flagstaff to Grand Canyon Stagecoach Line 55km 5:59:01 h9