Masaki (永井正樹) Nagai
Born : 1964 Cat. M60 Ultrarunner since 2005 JPN
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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 ?GREGreeceJPNJapan
35,2%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 296; Σ finishers = 842. 296 / 842 × 100 = 35.15%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races318 km
> 100 km1
> 160 km1
> 200 km1
Longest race245,3 km
23. Spartathlon — 30/9/2005

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Records

No record for a classic ultra format

HISTORY

2 race(s)
DateRacePerf.Rk
2017
25.06 72.7km JPN4. Spatrail - Shima to Kusatsu 10:50:48 h230
2005
30.09 245.3km GRE23. Spartathlon 34:36:09 h68