Ilya Bass
Born : 1973 Cat. M50 Ultrarunner since 2017 USA
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
3
Countries visited ?CANCanadaFRAFranceUSAUnited States
77,0%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 3 315; Σ finishers = 4 303. 3 315 / 4 303 × 100 = 77.04%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed24
Km — ultra races1 992 km
> 100 km6
> 160 km5
Longest race170,0 km

Km per year (ultra races)

226
3 races
2022
337
3 races
2023
280
3 races
2024
249
2 races
2025
64
1 race
2026

Race types (share of distance)

Trail91,4%
Stage8,6%

HISTORY

23 race(s)
DateRacePerf.Rk
2026
29.08 12h USA2nd Ocean State Ultra 64.373 km6
2025
21.06 100mi USA33rd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 34:49:40 h206
24.05 88km USA11th INFINITUS 2025 - 88k Ultramarathon 16:24:00 h11
2024
19.07 100mi USA35th Vermont 100 Mile Endurance Race 29:26:52 h245
11.05 43mi USA17th TARC Wapack and Back 43 Mile Trail Race 12:17:00 h13
20.04 50km USA13th TARC Spring Classic 50 km 6:16:30 h31
2023
01.09 170km FRA20ème Ultra Trail Tour du Mont Blanc 43:47:12 h1302
24.06 54mi USA11th Manitou's Revenge Ultramarathon 22:31:02 h97
06.05 50mi USA11th Rock The Ridge 50-Mile Endurance Challenge 11:35:31 h121
2022
10.09 80km CAN10th Ultra trail Harricana de Charlevoix 80 km 13:20:52 h140
23.07 50km USA15th Speedgoat 50k 12:30:13 h309
23.04 95.9km USA9th The Canyons Endurance 100 km Run 18:28:38 h396
2021
04.12 32mi USA11th TARC Fells Trail Ultra Winter 32 Mile 7:44:55 h24
29.05 100mi USA9th Bryce 100 Mile Trail Run 35:23:52 h91
2020
10.10 100mi USA2nd Midstate Massive 100 Mile Ultra Trail 32:17:12 h47
2019
07.12 32mi USA9th TARC Fells Trail Ultra Winter 32 Mile 7:54:36 h23
2018
01.12 32mi USA8th TARC Fells Trail Ultra Winter 32 Mile 8:05:12 h43
20.10 30mi USA10th Ghost Train Rail Trail Race 30 Mile 5:24:12 h21
12.05 55mi USA4th Manchester to Monadnock Ultramarathon 16:43:26 h30
2017
02.12 32mi USA7th TARC Fells Trail Ultra Winter 32 Mile 8:36:02 h52
13.08 50km USA1st Ragged 50k Race 12:32:03 h95
11.08 75mi/3stages USA1st Ragged 75 Stage Race 34:09:56 h34
16.04 50km USA21st TARC Don't Run Boston (DRB) 50K Split 9:04:00 h38