William (Billy) Laird
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
23,2%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 562; Σ finishers = 2 420. 562 / 2 420 × 100 = 23.22%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 142 km
> 100 km1
> 160 km1
Longest race160,9 km
35th Leadville Trail 100 Mile — 19/8/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 03.09 | 65km | 11:16:25 h | 188 | |
| 2021 | ||||
| 04.09 | 65km | 7:32:49 h | 14 | |
| 2020 | ||||
| 05.09 | 65km | 10:09:29 h | 37 | |
| 2019 | ||||
| 13.07 | 50km | 6:52:21 h | 16 | |
| 2018 | ||||
| 01.09 | 65km | 7:06:31 h | 11 | |
| 2017 | ||||
| 19.08 | 100mi | 27:24:38 h | 97 | |
| 09.07 | 50mi | 9:20:46 h | 34 | |
| 2015 | ||||
| 05.09 | 65km | 7:36:41 h | 9 | |
| 27.06 | 50mi | 12:58:01 h | 87 | |
| 2014 | ||||
| 16.08 | 65km | 7:04:50 h | 8 | |
| 21.06 | 50mi trail race | 11:22:32 h | 31 | |
| 17.05 | 50km | 4:40:18 h | 3 🥉 | |
| 2013 | ||||
| 27.05 | 50km | 4:50:02 h | 4 | |
| 2011 | ||||
| 28.05 | 50km | 4:49:33 h | 5 | |
| 2010 | ||||
| 29.05 | 50km | 5:05:37 h | 5 | |
| 2009 | ||||
| 23.05 | 50km | 5:44:50 h | 25 | |
| 2008 | ||||
| 07.06 | 50km | 4:49:00 h | 5 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/8/2017 | 35th Leadville Trail 100 Mile | 160,93 | ×5 |
| ✓ 2 | 9/7/2017 | 10th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 3 | 27/6/2015 | 21st San Juan Solstice 50 Mile Run | 80,47 | ×2 |
| ✓ 4 | 21/6/2014 | 20th San Juan Solstice 50 Mile Run (USA) | 80,47 | ×2 |
| ✓ 5 | 3/9/2022 | 9th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 6 | 4/9/2021 | 8th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 7 | 5/9/2020 | 7th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 8 | 1/9/2018 | 5th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 9 | 5/9/2015 | 2nd Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 10 | 16/8/2014 | 1st Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 11 | 13/7/2019 | 7th Power of Four Trail Run | 50,00 | ×1 |
| ✓ 12 | 17/5/2014 | 7th Sage Burner Trail Run | 50,00 | ×1 |
| ✓ 13 | 27/5/2013 | 6th Sage Burner Trail Run | 50,00 | ×1 |
| ✓ 14 | 28/5/2011 | 4th Sage Burner Trail Run | 50,00 | ×1 |
| ✓ 15 | 29/5/2010 | 3rd Sage Burner Trail Run | 50,00 | ×1 |
| ✓ 16 | 23/5/2009 | 2nd Sage Burner Trail Run | 50,00 | ×1 |
| ✓ 17 | 7/6/2008 | 1st Sage Burner Trail Run | 50,00 | ×1 |