Mark Syring
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Born : 1970
Cat. M55 Ultrarunner since 2002
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
35
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 States48,9%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 362; Σ finishers = 740. 362 / 740 × 100 = 48.92%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 487 km
> 100 km7
> 160 km5
> 24h11
Longest race194,7 km
5th Ultracentric 24 Hour Run — 26/11/2005
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2011 | ||||
| 04.06 | 24h | 22nd FANS 24 Hour Runs |
80.612 km | 60 |
| 2010 | ||||
| 05.06 | 24h | 21st FANS 24 Hour Runs |
65.017 km | 68 |
| 2009 | ||||
| 06.06 | 24h | 20th FANS 24 Hour Runs |
53.317 km | 87 |
| 2005 | ||||
| 26.11 | 24h | 5th Ultracentric 24 Hour Run |
194.746 km | 1 🏆 |
| 04.06 | 24h | 16th FANS 24 Hour Runs |
53.317 km | 78 |
| 30.04 | 24h | 24th Cornbelt Running Club 24 Hour Run |
139.417 km | 13 |
| 2004 | ||||
| 27.11 | 24h | 4th Ultracentric 24 Hour Run |
177.188 km | 4 |
| 06.11 | 24h | 6th San Diego One Day 24-Hour Race |
182.612 km | 11 |
| 05.06 | 24h | 15th FANS 24 Hour Runs |
188.373 km | 3 🥉 |
| 2003 | ||||
| 01.11 | 50mi | 4th Chicago Lakefront Fall 50 Mile Race |
7:46:31 h | 5 |
| 07.06 | 24h | 14th FANS 24 Hour Runs |
168.691 km | 10 |
| 2002 | ||||
| 29.06 | 24h | 13th FANS 24 Hour Runs |
103.110 km | 34 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 26/11/2005 | 5th Ultracentric 24 Hour Run | 194,75 | ×5 |
| ✓ 2 | 5/6/2004 | 15th FANS 24 Hour Runs | 188,37 | ×5 |
| ✓ 3 | 6/11/2004 | 6th San Diego One Day 24-Hour Race | 182,61 | ×5 |
| ✓ 4 | 27/11/2004 | 4th Ultracentric 24 Hour Run | 177,19 | ×5 |
| ✓ 5 | 7/6/2003 | 14th FANS 24 Hour Runs | 168,69 | ×4 |
| ✓ 6 | 30/4/2005 | 24th Cornbelt Running Club 24 Hour Run | 139,42 | ×3 |
| ✓ 7 | 29/6/2002 | 13th FANS 24 Hour Runs | 103,11 | ×2 |
| ✓ 8 | 4/6/2011 | 22nd FANS 24 Hour Runs | 80,61 | ×2 |
| ✓ 9 | 1/11/2003 | 4th Chicago Lakefront Fall 50 Mile Race | 80,47 | ×2 |
| ✓ 10 | 5/6/2010 | 21st FANS 24 Hour Runs | 65,02 | ×1 |
| ✓ 11 | 6/6/2009 | 20th FANS 24 Hour Runs | 53,32 | ×1 |
| ✓ 12 | 4/6/2005 | 16th FANS 24 Hour Runs | 53,32 | ×1 |