Michael Harms
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.
17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
18,4%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 337; Σ finishers = 1 830. 337 / 1 830 × 100 = 18.42%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 761 km
> 100 km7
> 160 km7
Longest race160,9 km
48th Old Dominion 100 Mile Endurance Run — 6/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/2026 | 48th Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 2 | 7/6/2025 | 47th Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 3 | 1/6/2024 | 46th Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 4 | 3/6/2023 | 45th Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 5 | 4/6/2022 | 44th Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 6 | 17/9/2021 | 13th Grindstone 100 Mile | 160,93 | ×4 |
| ✓ 7 | 5/6/2021 | 43rd Old Dominion 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 8 | 6/4/2024 | 30th Bull Run Run 50 Miler | 80,47 | ×2 |
| ✓ 9 | 15/4/2023 | 29th Bull Run Run 50 Miler | 80,47 | ×2 |
| ✓ 10 | 2/5/2021 | 6th Grayson Highlands 50 Mile Race | 80,47 | ×2 |
| ✓ 11 | 10/7/2016 | 9th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 12 | 28/12/2019 | 7th Boyer's Furnace 40 Mile Race | 64,37 | ×1 |
| ✓ 13 | 23/7/2022 | 10th Catherine's 50k Run | 50,00 | ×1 |
| ✓ 14 | 14/8/2021 | 14th Martha Moats Baker Memorial 50k | 50,00 | ×1 |
| ✓ 15 | 20/3/2021 | 14th Terrapin Mountain 50 km Race | 50,00 | ×1 |
| ✓ 16 | 13/2/2021 | 26th Holiday Lake 50K++ | 50,00 | ×1 |
| ✓ 17 | 13/8/2022 | 8th Jarmans Invitational Marathon | 48,28 | ×1 |