Charles Seefeldt
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Born : 1951
Cat. M75 Ultrarunner since 1994
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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 States57,0%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 176; Σ finishers = 309. 176 / 309 × 100 = 56.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 404 km
> 100 km8
> 24h15
> 48h5
Longest race122,7 km
5th Texas Endurance 48 Hour Endurance Runs — 25/7/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M1
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/7/2025 | 5th Texas Endurance 48 Hour Endurance Runs | 122,71 | ×3 |
| ✓ 2 | 6/12/2025 | 8th Perpetual Motion 24 Hour Race | 120,88 | ×3 |
| ✓ 3 | 26/7/2024 | 4th Texas Endurance 48 Hour Endurance Runs | 120,70 | ×3 |
| ✓ 4 | 25/11/1994 | Dallas UltraRunners / Plano Pacers 24 Hour Track Race | 105,89 | ×3 |
| ✓ 5 | 28/7/2023 | 3rd WRATH Texas 48 Hour Endurance Runs | 104,61 | ×3 |
| ✓ 6 | 1/12/2018 | 2nd Perpetual Motion 24 Hour Race | 104,61 | ×3 |
| ✓ 7 | 24/7/2026 | 6th Texas Endurance 48 Hour Endurance Runs | 100,04 | ×3 |
| ✓ 8 | 7/12/2024 | 7th Perpetual Motion 24 Hour Race | 89,42 | ×2 |
| ✓ 9 | 4/12/2021 | 4th Perpetual Motion 24 Hour Race | 86,11 | ×2 |
| ✓ 10 | 12/8/2022 | 2nd WRATH Texas 24 Hour Endurance Runs | 82,48 | ×2 |
| ✓ 11 | 2/12/2023 | 6th Perpetual Motion 24 Hour Race | 81,14 | ×2 |
| ✓ 12 | 27/11/1998 | Dallas UltraRunners / Plano Pacers 24 Hour Track Race | 70,81 | ×2 |
| ✓ 13 | 7/12/2019 | 3rd Perpetual Motion 24 Hour Race | 57,96 | ×1 |
| ✓ 14 | 3/12/2022 | 5th Perpetual Motion 24 Hour Race | 52,16 | ×1 |