Marci Backus
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Born : 1981
Cat. W45 Ultrarunner since 2008
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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 States82,3%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 524; Σ finishers = 637. 524 / 637 × 100 = 82.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 013 km
> 100 km2
> 160 km2
Longest race160,9 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F2
🏅 Top 33
🏅 Top 3 F4
Longest winning streak0
Current streak0
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 15.09 | 100mi | 7th Idaho Mountain Trail Ultra Festival (IMTUF 100) |
35:14:51 h | 108 |
| 2017 | ||||
| 19.08 | 100km | 3rd Twisted Branch Trail Run |
18:35:18 h | 59 |
| 17.06 | 100km | 6th Angel Fire Endurance 100 km Run |
21:36:07 h | 2 🥈 |
| 2016 | ||||
| 11.06 | 100km | 5th Angel Fire Endurance 100 km Run |
19:51:45 h | 2 🥈 |
| 2015 | ||||
| 25.07 | 100km | 1st Never Summer 100k |
23:36:54 h | 145 |
| 20.06 | 50mi | 4th Angel Fire Endurance 50 Mile Run |
16:30:31 h | 2 🥈 |
| 2010 | ||||
| 24.09 | 100mi | 12th The Bear 100 Mile Endurance Run |
34:37:30 h | 104 |
| 2009 | ||||
| 19.09 | 50mi | 2nd Virgil Crest 50 Mile Ultra |
10:50:00 h | 5 |
| 02.05 | 50mi | 10th Collegiate Peaks 50 Miles |
10:40:59 h | 41 |
| 2008 | ||||
| 19.04 | 50km | 4th Greenland Trail Race |
6:22:36 h | 66 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/9/2018 | 7th Idaho Mountain Trail Ultra Festival (IMTUF 100) | 160,93 | ×5 |
| ✓ 2 | 24/9/2010 | 12th The Bear 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 3 | 19/8/2017 | 3rd Twisted Branch Trail Run | 100,00 | ×3 |
| ✓ 4 | 17/6/2017 | 6th Angel Fire Endurance 100 km Run | 100,00 | ×3 |
| ✓ 5 | 11/6/2016 | 5th Angel Fire Endurance 100 km Run | 100,00 | ×3 |
| ✓ 6 | 25/7/2015 | 1st Never Summer 100k | 100,00 | ×3 |
| ✓ 7 | 20/6/2015 | 4th Angel Fire Endurance 50 Mile Run | 80,47 | ×2 |
| ✓ 8 | 19/9/2009 | 2nd Virgil Crest 50 Mile Ultra | 80,47 | ×2 |
| ✓ 9 | 2/5/2009 | 10th Collegiate Peaks 50 Miles | 80,47 | ×2 |
| ✓ 10 | 19/4/2008 | 4th Greenland Trail Race | 50,00 | ×1 |