Blair Zimmerman
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1949
Cat. M75 Ultrarunner since 1991
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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 ?United States
United States22,0%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 568; Σ finishers = 2 586. 568 / 2 586 × 100 = 21.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed19
Km — ultra races1 654 km
> 100 km5
> 160 km2
> 24h2
Longest race160,9 km
3rd Heartland 100 Mile Race — 12/10/2002
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road48,1%
Trail51,9%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M2
🏅 Top 33
🏅 Top 3 M4
Longest winning streak1
Current streak0
HISTORY
19 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/10/2002 | 3rd Heartland 100 Mile Race | 160,93 | ×4 |
| ✓ 2 | 5/2/2000 | 8th Rocky Raccoon 100 Mile Trail Run | 160,93 | ×4 |
| ✓ 3 | 2/3/2002 | 1st Houston Ultra Event Weekend 24h | 129,26 | ×3 |
| ✓ 4 | 24/10/2009 | 1st 12H The Hard Way | 108,34 | ×3 |
| ✓ 5 | 25/2/2006 | 5th Houston Ultra Event Weekend 12h | 106,65 | ×2 |
| ✓ 6 | 28/2/2004 | 3rd Houston Ultra Event Weekend 100km | 100,00 | ×2 |
| ✓ 7 | 1/3/2003 | 2nd Houston Ultra Event Weekend 24h | 87,26 | ×2 |
| ✓ 8 | 3/12/2005 | 16th Sunmart Texas Trails 50 Mile | 80,47 | ×2 |
| ✓ 9 | 4/12/2004 | 15th Sunmart Texas Trails 50 Mile | 80,47 | ×2 |
| ✓ 10 | 4/12/1999 | 10th Sunmart Texas Trails 50 Mile | 80,47 | ×2 |
| ✓ 11 | 12/12/1996 | 7th Sunmart Texas Trails 50 Mile | 80,47 | ×2 |
| ✓ 12 | 23/2/1991 | Houston Ultramarathon 50mi | 80,47 | ×2 |
| ✓ 13 | 13/3/2010 | 4th Delano Park 12 Hour Run | 72,42 | ×2 |
| ✓ 14 | 5/5/2007 | 29th Strolling Jim 40 Mile | 64,37 | ×1 |
| ✓ 15 | 23/10/2010 | 2nd 12H The Hard Way | 61,91 | ×1 |
| ✓ 16 | 26/2/2011 | 1st Surfside Marathon | 50,00 | ×1 |
| ✓ 17 | 8/11/2008 | 16th Rocky 50 km Trail Run | 50,00 | ×1 |
| ✓ 18 | 6/12/2003 | 14th Sunmart Texas Trails 50 km | 50,00 | ×1 |
| ✓ 19 | 2/12/2000 | 11th Sunmart Texas Trails 50 km | 50,00 | ×1 |