Gerrit Brinkman
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.
Ultrarunner since 2005
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
10
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 ?Netherlands
Netherlands47,2%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 25; Σ finishers = 53. 25 / 53 × 100 = 47.17%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2006 | ||||
| 27.08 | 50km | 11e Rondje Voorne 50 km |
4:59:56 h | 15 |
| 2005 | ||||
| 18.06 | 6h | 6 Uur Den Haag |
55.859 km | 12 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/6/2005 | 6 Uur Den Haag | 55,86 | ×5 |
| ✓ 2 | 27/8/2006 | 11e Rondje Voorne 50 km | 50,00 | ×5 |