Amber Lewis
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
21,9%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 360; Σ finishers = 1 642. 360 / 1 642 × 100 = 21.92%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 301 km
> 100 km3
> 160 km2
> 24h3
Longest race171,1 km
3rd Greensprings 24 — 25/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F6
🏅 Top 34
🏅 Top 3 F12
Longest winning streak0
Current streak0
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/10/2025 | 3rd Greensprings 24 | 171,11 | ×5 |
| ✓ 2 | 26/10/2024 | 2nd Greensprings 24 | 163,98 | ×5 |
| ✓ 3 | 20/3/2026 | 12th Dogwood 24 Hour Run | 128,44 | ×4 |
| ✓ 4 | 2/12/2023 | 5th Freight Train 100km Trail Run | 100,00 | ×3 |
| ✓ 5 | 10/12/2022 | 4th Freight Train 100km Trail Run | 100,00 | ×3 |
| ✓ 6 | 11/12/2021 | 3rd Freight Train 100km Trail Run | 100,00 | ×3 |
| ✓ 7 | 28/4/2018 | 11th Endurance Challenge - Washington D.C. Trail 50 Miles | 80,47 | ×2 |
| ✓ 8 | 27/7/2024 | 4th Alphabet Soup Race | 56,91 | ×1 |
| ✓ 9 | 20/6/2026 | 10th Night Train 50k | 50,00 | ×1 |
| ✓ 10 | 25/6/2022 | 6th Night Train 50k | 50,00 | ×1 |
| ✓ 11 | 14/12/2019 | 1st Freight Train 50km Trail Run | 50,00 | ×1 |
| ✓ 12 | 13/4/2019 | 7th Singletrack Maniac 50k Trail Run | 50,00 | ×1 |
| ✓ 13 | 15/12/2018 | 10th Mel Williams Memorial Seashore (Seashore Nature Trail) | 50,00 | ×1 |
| ✓ 14 | 29/4/2017 | 10th Endurance Challenge - Washington D.C. Trail 50 km | 50,00 | ×1 |
| ✓ 15 | 14/5/2016 | 4th Singletrack Maniac 50k Trail Run | 50,00 | ×1 |
| ✓ 16 | 9/5/2015 | 3rd Singletrack Maniac 50k Trail Run | 50,00 | ×1 |