Bo Pheffer
Born : 1952 Cat. M70 Ultrarunner since 1984 USA
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
43,7%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 1 016; Σ finishers = 2 327. 1 016 / 2 327 × 100 = 43.66%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races2 500 km
> 100 km14
> 160 km5
> 24h16
Longest race177,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road90,3%
Trail9,7%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M2
Longest winning streak0
Current streak0

HISTORY

22 race(s) · 8 split(s) nested
DateRacePerf.Rk
2018
05.05 24h USA37th Cornbelt Running Club 24 Hour Run 99.779 km13
2017
06.05 24h USA36th Cornbelt Running Club 24 Hour Run 106.908 km10
2012
05.05 24h USA31st Cornbelt Running Club 24 Hour Run 100.809 km20
2010
01.05 24h USA29th Cornbelt Running Club 24 Hour Run 162.592 km4
2009
02.05 24h USA28th Cornbelt Running Club 24 Hour Run 125.191 km16
2008
14.06 12h USA3rd Hawthorn Half Day Run 77.248 km22
2007
05.05 24h USA26th Cornbelt Running Club 24 Hour Run 161.771 km8
2006
06.05 24h USA25th Cornbelt Running Club 24 Hour Run 166.245 km3 🥉
2005
30.04 24h USA24th Cornbelt Running Club 24 Hour Run 166.245 km7
2004
20.11 50mi USA42nd JFK 50 Mile 10:46:03 h478
11.09 24h USA14th Olander Park 24 Hour Run 80.161 km62
01.05 24h USA23rd Cornbelt Running Club 24 Hour Run 131.290 km16
2003
13.09 24h USA13th Olander Park 24 Hour Run 143.376 km44
2000
06.05 24h USA19th Cornbelt Running Club 24 Hour Run 101.613 km26
1999
01.05 24h USA18th Cornbelt Running Club 24 Hour Run 120.716 km14
1997
03.05 24h USA16th Cornbelt Running Club 24 Hour Run 114.215 km16
1995
18.11 50mi USA33rd JFK 50 Mile 10:09:47 h210
1994
17.09 24h USA4th Olander Park 24 Hour Run 177.871 km18
1993
04.12 50mi USA1st Kentucky Arches 50 Mile 7:49:16 h12
1991
29.06 24h USA2nd FANS 24 Hour Runs 122.792 km25
1984
11.11 50km USAWolfpack 50 km Run 4:06:04 h6
11.11 6h USAWolfpack Six Hour Run 50.000 km8