Sean van Horn
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.
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
2
Countries visited ?
Italy
United States
2,1%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 87; Σ finishers = 4 185. 87 / 4 185 × 100 = 2.08%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 308 km
> 100 km3
> 160 km3
Longest race170,0 km
6° Adamello Ultra Trail 170 km — 20/9/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 36
🏅 Top 3 M7
Longest winning streak1
Current streak0
HISTORY
17 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 23.08 | 40mi | 8:32:34 h | 2 🥈 | |
| 19.06 | 46km | 4:43:13 h | 25 | |
| 2023 | ||||
| 15.09 | 100mi | 19:05:38 h | 5 | |
| 17.06 | 46km | 4:19:46 h | 10 | |
| 2022 | ||||
| 18.06 | 48km | 4:47:36 h | 9 | |
| 15.04 | 50km | 3:50:08 h | 1 🏆 | |
| 2021 | ||||
| 20.11 | 81.3km | 5:44:57 h | 4 | |
| 04.09 | 65km | 6:23:46 h | 2 🥈 | |
| 2020 | ||||
| 31.10 | 100mi | 16:01:10 h | 5 | |
| 2019 | ||||
| 20.09 | 170km | 27:58:59 h | 3 🥉 | |
| 20.07 | 50km | 5:58:25 h | 7 | |
| 01.06 | 50km | 5:23:21 h | 7 | |
| 2018 | ||||
| 01.09 | 65km | 6:02:05 h | 2 🥈 | |
| 21.07 | 50km | 6:12:01 h | 9 | |
| 2017 | ||||
| 06.08 | 50km | 5:25:03 h | 2 🥈 | |
| 2014 | ||||
| 06.09 | 100km | 10:40:06 h | 4 | |
| 2007 | ||||
| 28.07 | 50km | 5:37:44 h | 7 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/9/2019 | 6° Adamello Ultra Trail 170 km | 170,00 | ×5 |
| ✓ 2 | 15/9/2023 | 17th Run Rabbit Run 100 Mile UltraMarathon - Hares Run | 160,93 | ×5 |
| ✓ 3 | 31/10/2020 | 18th Javelina Jundred 100 Mile Endurance Run | 160,93 | ×5 |
| ✓ 4 | 6/9/2014 | 4th Ultra Race of Champions (UROC) 100K | 100,00 | ×3 |
| ✓ 5 | 20/11/2021 | 59th JFK 50 Mile | 81,30 | ×2 |
| ✓ 6 | 4/9/2021 | 8th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 7 | 1/9/2018 | 5th Grand Traverse Mountain Run | 65,00 | ×2 |
| ✓ 8 | 23/8/2025 | 12th Telluride Mountain Run | 64,37 | ×2 |
| ✓ 9 | 15/4/2022 | 19th Desert Rats Trail Running Festival 50 km | 50,00 | ×1 |
| ✓ 10 | 20/7/2019 | 12th Speedgoat 50k | 50,00 | ×1 |
| ✓ 11 | 1/6/2019 | 11th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 12 | 21/7/2018 | 11th Speedgoat 50k | 50,00 | ×1 |
| ✓ 13 | 6/8/2017 | 5th Power of Four Trail Run | 50,00 | ×1 |
| ✓ 14 | 28/7/2007 | 8th High Mountain 50 km | 50,00 | ×1 |
| ✓ 15 | 18/6/2022 | 7th The Broken Arrow Skyrace | 48,00 | ×1 |
| ✓ 16 | 19/6/2025 | 10th The Broken Arrow Skyrace | 46,00 | ×1 |
| ✓ 17 | 17/6/2023 | 8th The Broken Arrow Skyrace | 46,00 | ×1 |