Peter Knox
ID 838895
Born : 1973 Cat. M50 Ultrarunner since 2015 USA
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
56
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 ?CANCanadaUSAUnited States
39,5%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 1 193; Σ finishers = 3 020. 1 193 / 3 020 × 100 = 39.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races4 854 km
> 100 km21
> 160 km18
> 200 km1
> 24h3
Longest race321,9 km
3rd The Divide 200 — 12/9/2025

Km per year (ultra races)

389
3 races
2022
501
5 races
2023
586
5 races
2024
570
3 races
2025
214
2 races
2026

Race types (share of distance)

Road1,8%
Trail98,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M2
🏅 Top 34
🏅 Top 3 M6
Longest winning streak0
Current streak0

Records

50 km5h37'50100 km16h18'1750 mi9h16'00100 mi23h53'5912 h85,23 km24 h106,22 km

HISTORY

41 race(s)
DateRacePerf.Rk
2026
19.09 100mi USA15th Idaho Mountain Trail Ultra Festival (IMTUF 100) 31:04:09 h42
02.05 53km USA1st Heaven's Gate 10:35:59 h30
2025
12.09 200mi CAN3rd The Divide 200 3d 03:28:10 h10
06.06 100mi USA12th Scout Mountain 100 Mile Ultra Trail 31:22:45 h19
01.03 24h USA6th Running Up For Air - Malans Peak 86.904 km12
2024
26.10 159.2km USA22nd Javelina Jundred 100 Mile Endurance Run 25:04:09 h194
21.09 100mi USA13th Idaho Mountain Trail Ultra Festival (IMTUF 100) 33:27:42 h82
27.07 60km USA12th Standhope Ultra Challenge 12:02:35 h54
13.07 100km USA11th Beaverhead 100K Endurance Run 17:40:44 h61
23.02 24h USA5th Running Up For Air - Malans Peak 106.216 km2 🥈
2023
11.08 100mi USA3rd Wyoming Range 100 Mile Endurance Run 39:45:19 h12
15.07 50mi USA10th McCall Trailrunning Classic 50 Mile 12:57:29 h4
17.06 108km USA10th River of No Return Endurance Run 108K 18:58:14 h33
25.03 55km USA2nd Owyhee Off-Road 55 km Challenge 6:37:09 h12
24.02 24h USA4th Running Up For Air - Malans Peak 96.560 km3 🥉
2022
23.07 100mi USA10th Standhope Ultra Challenge 100 Miles 39:56:36 h14
03.06 100mi USA9th Scout Mountain 100 Mile Ultra Trail 32:09:00 h17
05.02 12h USA3rd Running Up For Air - Malans Peak 67.592 km2 🥈
2021
11.09 100mi USA10th Idaho Mountain Trail Ultra Festival (IMTUF 100) 31:45:17 h55
04.06 100mi USA8th Scout Mountain 100 Mile Ultra Trail 28:47:44 h14
2020
12.09 100mi USA9th Idaho Mountain Trail Ultra Festival (IMTUF 100) 30:35:09 h36
2019
14.09 100mi USA8th Idaho Mountain Trail Ultra Festival (IMTUF 100) 29:24:26 h38
17.08 50km USA5th Resort to Rock 50K 6:02:05 h19
27.07 100km USA5th Never Summer 100k 18:16:02 h82
17.05 100mi USA7th Bryce 100 Mile Trail Run 29:18:33 h18
05.05 50km USA2nd The Durt 50km Race 6:20:37 h8
23.03 50mi USA14th Antelope Island Buffalo Run 50 Mile 9:16:00 h17
2018
28.09 100mi USA20th The Bear 100 Mile Endurance Run 28:42:38 h81
27.07 100mi USA1st Palisades Ultra Trail Series (PUTS) - Moose 100 35:35:58 h6
01.06 100mi USA5th Scout Mountain 100 Mile Ultra Trail 27:22:19 h11
06.05 50km USA1st The Durt 50km Race 6:19:10 h3 🥉
13.01 50km USA6th Wilson Creek Frozen 50K 5:37:50 h8
2017
16.09 100mi USA6th Idaho Mountain Trail Ultra Festival (IMTUF 100) 28:02:31 h19
19.08 52mi USA1st Elkhorn Crest 50 12:00:50 h10
05.08 60km USA5th Standhope Ultra Challenge 9:39:02 h8
16.06 100mi USA25th Bighorn Mountain Wild & Scenic 100 Mile Trail Run 30:01:51 h75
24.03 12h USA6th Pulse Endurance Runs (Pickled Feet) 12 Hour 85.230 km7
2016
24.09 100mi USA4th Mountain Lakes 100 23:53:59 h36
16.07 40mi USA5th McCall Trailrunning Classic 40 Mile 8:58:32 h9
04.06 100km USA3th Scout Mountain 100 km Ultra Trail 16:18:17 h30
2015
03.10 50km USA5th Foothills 50K Frenzy 6:08:52 h41