Ryan Birkemeyer
Born : 1983 Cat. M40 Ultrarunner since 2019 USA
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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 ?USAUnited States
30,8%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 916; Σ finishers = 2 977. 916 / 2 977 × 100 = 30.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races2 174 km
> 100 km5
> 160 km4
> 200 km2
> 24h1
> 48h1
Longest race402,3 km

Km per year (ultra races)

361
3 races
2022
356
6 races
2023
100
1 race
2024
2025
2026

Race types (share of distance)

Road10,9%
Trail89,1%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 39
🏅 Top 3 M10
Longest winning streak1
Current streak0