Brittany Tonks
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Born : 1989
Cat. W35 Ultrarunner since 2014
9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 States75,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 181; Σ finishers = 1 568. 1 181 / 1 568 × 100 = 75.32%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races471 km
Longest race80,5 km
24th Siskiyou Out Back 50 Miles Trail Run — 9/7/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road10,6%
Trail89,4%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 20.04 | 50km | 8th Mendocino Coast 50K Ultra Trail Run |
7:00:49 h | 48 |
| 24.02 | 50km | 1st The Big Alta |
8:08:28 h | 171 |
| 2023 | ||||
| 25.11 | 28mi | 38th Quad Dipsea Trail Run |
7:56:28 h | 286 |
| 08.07 | 50km | 25th Siskiyou Out Back 50 km Trail Run |
7:46:16 h | 128 |
| 2022 | ||||
| 26.11 | 28mi | 37th Quad Dipsea Trail Run |
7:53:05 h | 233 |
| 09.07 | 50mi | 24th Siskiyou Out Back 50 Miles Trail Run |
14:28:33 h | 37 |
| 19.02 | 50km | 10th FOURmidable 50K |
7:12:10 h | 114 |
| 2016 | ||||
| 30.08 | 50km | 7th Burning Man Ultramarathon |
7:40:18 h | 127 |
| 2014 | ||||
| 17.08 | 50km | 19th Run On The Sly 50 km |
6:52:10 h | 46 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/7/2022 | 24th Siskiyou Out Back 50 Miles Trail Run | 80,47 | ×4 |
| ✓ 2 | 20/4/2024 | 8th Mendocino Coast 50K Ultra Trail Run | 50,00 | ×2 |
| ✓ 3 | 24/2/2024 | 1st The Big Alta | 50,00 | ×2 |
| ✓ 4 | 8/7/2023 | 25th Siskiyou Out Back 50 km Trail Run | 50,00 | ×2 |
| ✓ 5 | 19/2/2022 | 10th FOURmidable 50K | 50,00 | ×2 |
| ✓ 6 | 30/8/2016 | 7th Burning Man Ultramarathon | 50,00 | ×2 |
| ✓ 7 | 17/8/2014 | 19th Run On The Sly 50 km | 50,00 | ×2 |
| ✓ 8 | 25/11/2023 | 38th Quad Dipsea Trail Run | 45,06 | ×2 |
| ✓ 9 | 26/11/2022 | 37th Quad Dipsea Trail Run | 45,06 | ×2 |