Alex Marshall
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.
Born : 1976
Cat. M50 Ultrarunner since 2012
16
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 States70,3%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 894; Σ finishers = 1 271. 894 / 1 271 × 100 = 70.34%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 516 km
> 100 km5
> 160 km5
Longest race160,9 km
13th Standhope Ultra Challenge 100 Miles — 25/7/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/7/2025 | 13th Standhope Ultra Challenge 100 Miles | 160,93 | ×4 |
| ✓ 2 | 4/8/2023 | 3rd Dark Divide 100 Mile Race | 160,93 | ×4 |
| ✓ 3 | 24/9/2021 | 23rd The Bear 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 4 | 4/6/2021 | 8th Scout Mountain 100 Mile Ultra Trail | 160,93 | ×4 |
| ✓ 5 | 14/9/2019 | 8th Idaho Mountain Trail Ultra Festival (IMTUF 100) | 160,93 | ×4 |
| ✓ 6 | 11/7/2015 | 2nd Beaverhead 100K Endurance Run | 100,00 | ×2 |
| ✓ 7 | 21/3/2025 | 15th Badger Mountain 50 Mile Challenge | 80,47 | ×2 |
| ✓ 8 | 28/7/2018 | 1st Palisades Ultra Trail Series (PUTS) - Grizzly 50 | 80,47 | ×2 |
| ✓ 9 | 16/6/2017 | 5th Bryce 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 10 | 15/8/2015 | 3rd Standhope Ultra Challenge | 60,00 | ×1 |
| ✓ 11 | 7/6/2014 | 1st Scout Mountain 60 km Ultra Trail | 60,00 | ×1 |
| ✓ 12 | 23/4/2022 | 13th Weiser River Trail | 50,00 | ×1 |
| ✓ 13 | 13/1/2018 | 6th Wilson Creek Frozen 50K | 50,00 | ×1 |
| ✓ 14 | 18/1/2014 | 4th Wilson Creek Frozen 50K | 50,00 | ×1 |
| ✓ 15 | 21/10/2012 | 2nd Foothills 50K Frenzy | 50,00 | ×1 |
| ✓ 16 | 21/1/2012 | 2nd Wilson Creek Frozen 50K | 50,00 | ×1 |