Alan Larson
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 : 1981
Cat. M45 Ultrarunner since 2017
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 States45,2%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 667; Σ finishers = 1 476. 667 / 1 476 × 100 = 45.19%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races685 km
> 100 km1
> 160 km1
Longest race160,9 km
34th Superior Fall Trail Races 100 Mile — 6/9/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 06.09 | 100mi | 34th Superior Fall Trail Races 100 Mile |
37:23:18 h | 154 |
| 2023 | ||||
| 08.09 | 50mi | 33th Superior Fall Trail Races 50 Mile |
12:11:56 h | 43 |
| 2022 | ||||
| 10.09 | 50mi | 32th Superior Fall Trail Races 50 Mile |
16:17:00 h | 124 |
| 2021 | ||||
| 21.08 | 50km | 13th Marquette Trail 50 km |
9:13:01 h | 102 |
| 2019 | ||||
| 09.11 | 50km | 7th Georgia Sky to Summit 50k |
7:26:39 h | 84 |
| 01.06 | 50km | 9th Chester Woods Trail Races Mason Run |
5:42:05 h | 21 |
| 27.04 | 50km | 12th Chippewa Moraine 50km Ultra Marathon |
6:13:35 h | 66 |
| 2018 | ||||
| 03.11 | 8h | 5th Icebox 480 - 8 Hour Run |
62.764 km | 26 |
| 2017 | ||||
| 18.08 | 50km | 9th Marquette Trail 50 km |
6:55:13 h | 30 |
| 03.06 | 50km | 7th Chester Woods 50K Trail Run |
6:11:46 h | 27 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/9/2024 | 34th Superior Fall Trail Races 100 Mile | 160,93 | ×6 |
| ✓ 2 | 8/9/2023 | 33th Superior Fall Trail Races 50 Mile | 80,47 | ×3 |
| ✓ 3 | 10/9/2022 | 32th Superior Fall Trail Races 50 Mile | 80,47 | ×3 |
| ✓ 4 | 3/11/2018 | 5th Icebox 480 - 8 Hour Run | 62,76 | ×2 |
| ✓ 5 | 21/8/2021 | 13th Marquette Trail 50 km | 50,00 | ×2 |
| ✓ 6 | 9/11/2019 | 7th Georgia Sky to Summit 50k | 50,00 | ×2 |
| ✓ 7 | 1/6/2019 | 9th Chester Woods Trail Races Mason Run | 50,00 | ×2 |
| ✓ 8 | 27/4/2019 | 12th Chippewa Moraine 50km Ultra Marathon | 50,00 | ×2 |
| ✓ 9 | 18/8/2017 | 9th Marquette Trail 50 km | 50,00 | ×2 |
| ✓ 10 | 3/6/2017 | 7th Chester Woods 50K Trail Run | 50,00 | ×2 |