David Lyon
Born : 1958 Cat. M65 Ultrarunner since 2012 USA
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
11
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 ?GBRUnited KingdomUSAUnited States
46,5%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 392; Σ finishers = 843. 392 / 843 × 100 = 46.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races135 km
Longest race85,3 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road37,0%
Trail63,0%

Records