Don Davis
ID 59175
Born : 1945 Cat. M80 Ultrarunner since 1979 USA
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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 ?ITAItalyUSAUnited States
13,6%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 284; Σ finishers = 2 092. 284 / 2 092 × 100 = 13.58%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 790 km
Longest race100,0 km
22^ 100 km del Passatore, Firenze-Faenza — 28/5/1994

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road95,5%
Trail4,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 35
🏅 Top 3 M6
Longest winning streak1
Current streak0

Records

50 km4h06'36100 km8h51'5450 mi6h10'186 h65,64 km

HISTORY

25 race(s)
DateRacePerf.Rk
2007
27.10 50km USA8th Chicago Lakefront Fall 50km Race 5:01:22 h42
2003
16.11 50km USA9th The Breakers Marathon - Nifty Fifty Kilometers 4:29:18 h8
19.10 6h USA4th 6 Hour 60th Birthday Run 49.999 km22
2000
19.11 50km USA6th The Breakers Marathon - Nifty Fifty Kilometers 4:24:05 h9
19.02 50km USA8th Kurt Steiner 50K 4:25:06 h13
1999
22.11 50km USA5th The Breakers Marathon - Nifty Fifty Kilometers 4:21:44 h5
25.04 50km USA25th Lake Waramaug 50km Ultra Marathon 4:08:01 h7
27.02 50mi USA28th Metropolitan 50 Mile Race 7:05:13 h4
1998
28.11 50mi USA27th Metropolitan 50 Mile Race 7:26:18 h4
15.02 60km USA19th NYRR Knickerbocker 60K 5:04:39 h13
1997
29.11 50mi USA26th Metropolitan 50 Mile Race 7:01:37 h2 🥈
31.08 6h USACirulnick-Innamorato Six Hour Distance Run 65.639 km3 🥉
16.02 60km USA18th NYRR Knickerbocker 60K 4:55:57 h9
1996
31.08 50km USANew York Ultimax 50km Race 4:06:36 h6
1994
28.05 100km ITA22^ 100 km del Passatore, Firenze-Faenza 9:40:18 h54
1993
02.10 100km USADel Passatore 100 km Run/Walk 9:03:08 h4
25.04 50mi USA19th Lake Waramaug 50mi Ultra Marathon 6:54:24 h4
27.02 100km USANew York Ultimax 100km Race 8:51:54 h26
1992
17.10 100km USADel Passatore 100 km Run/Walk 9:05:37 h11
26.04 50mi USA18th Lake Waramaug 50mi Ultra Marathon 6:25:04 h3 🥉
07.03 50mi USA5th Sri Chinmoy 50 Mile Queens 6:52:59 h1 🏆
1991
28.04 50mi USA17th Lake Waramaug 50mi Ultra Marathon 7:14:03 h10
23.02 50mi USA20th Metropolitan 50 Mile Race 7:23:36 h13
1980
22.11 50mi USA18th JFK 50 Mile 7:51:01 h35
1979
28.10 50mi USASchaefer 50-Mile 6:10:18 h1 🏆