Robert Preti
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Born : 1997
Cat. M23 Ultrarunner since 2021
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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 ?United States
United States75,8%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 1 274; Σ finishers = 1 681. 1 274 / 1 681 × 100 = 75.79%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races895 km
> 100 km1
> 160 km1
Longest race160,9 km
18th Keys100 Ultra-Marathons 100mi — 16/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road45,8%
Trail54,2%
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 16.05 | 100mi | 18th Keys100 Ultra-Marathons 100mi |
31:39:02 h | 124 |
| 14.03 | 50mi | 14th Marin Ultra Challenge 50 Mile Race |
14:00:16 h | 175 |
| 03.01 | 50km | 16th Croom Zoom 50 km Run |
6:53:04 h | 23 |
| 2025 | ||||
| 07.12 | 50km | 20th Guana River 50K Trail Run |
6:33:40 h | 11 |
| 2024 | ||||
| 23.11 | 45mi | 4th Colt 45 Mile Trail Run |
10:00:15 h | 20 |
| 27.10 | 52km | 17th Jacks 50k Trail Race |
6:39:38 h | 7 |
| 2022 | ||||
| 19.11 | 50mi | 60th JFK 50 Mile |
11:58:34 h | 764 |
| 22.10 | 50km | 7th Gate2Gate Trail Race |
6:08:15 h | 33 |
| 23.07 | 52.4mi | 7th The San Francisco Ultramarathon |
13:12:13 h | 55 |
| 2021 | ||||
| 19.09 | 52.4mi | 6th The San Francisco Ultramarathon |
11:11:05 h | 32 |
| 15.05 | 50mi | 13th Keys100 Ultra-Marathons 50mi |
13:47:33 h | 36 |
| 02.05 | 50km | 9th Palm Bluff Trail Race 50K Ultra |
5:54:29 h | 6 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/5/2026 | 18th Keys100 Ultra-Marathons 100mi | 160,93 | ×6 |
| ✓ 2 | 23/7/2022 | 7th The San Francisco Ultramarathon | 84,33 | ×3 |
| ✓ 3 | 19/9/2021 | 6th The San Francisco Ultramarathon | 84,33 | ×3 |
| ✓ 4 | 14/3/2026 | 14th Marin Ultra Challenge 50 Mile Race | 80,47 | ×3 |
| ✓ 5 | 19/11/2022 | 60th JFK 50 Mile | 80,47 | ×3 |
| ✓ 6 | 15/5/2021 | 13th Keys100 Ultra-Marathons 50mi | 80,47 | ×3 |
| ✓ 7 | 23/11/2024 | 4th Colt 45 Mile Trail Run | 72,42 | ×2 |
| ✓ 8 | 27/10/2024 | 17th Jacks 50k Trail Race | 52,00 | ×2 |
| ✓ 9 | 3/1/2026 | 16th Croom Zoom 50 km Run | 50,00 | ×1 |
| ✓ 10 | 7/12/2025 | 20th Guana River 50K Trail Run | 50,00 | ×1 |
| ✓ 11 | 22/10/2022 | 7th Gate2Gate Trail Race | 50,00 | ×1 |
| ✓ 12 | 2/5/2021 | 9th Palm Bluff Trail Race 50K Ultra | 50,00 | ×1 |