Bertram Johnson
ID 92370
Born : 1972 Cat. M50 Ultrarunner since 2008 USA
48
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
64
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
5
Countries visited ?CANCanadaFINFinlandFRAFranceGBRUnited KingdomUSAUnited States
22,9%
Rank quotient ?This runner's calculation uses 48 eligible race(s): Σ(rank − 1) = 2 493; Σ finishers = 10 899. 2 493 / 10 899 × 100 = 22.87%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed48
Km — ultra races5 672 km
> 100 km24
> 160 km22
> 200 km1
> 24h2
Longest race346,0 km
Race Across Scotland 215 Mile — 9/8/2025

Km per year (ultra races)

502
3 races
2022
327
2 races
2023
652
7 races
2024
557
3 races
2025
522
3 races
2026

Race types (share of distance)

Road1,8%
Trail98,2%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M1
🏅 Top 33
🏅 Top 3 M4
Longest winning streak0
Current streak0

Records

50 km4h24'54100 km12h17'4050 mi8h26'15100 mi19h42'54

HISTORY

48 race(s)
DateRacePerf.Rk
2026
27.06 100mi USA53rd Western States 100 Mile Endurance Run 23:39:02 h121
04.04 200km USA1st CT 123 26:49:14 h2 🥈
31.01 100mi USA3rd The Bootleg Boogie 27:15:31 h8
2025
09.08 215mi GBRRace Across Scotland 215 Mile 3d 08:53:55 h18
21.06 100mi USA33rd Bighorn Mountain Wild & Scenic 100 Mile Trail Run 27:25:58 h38
17.05 50km USA3rd Free Spirit 50 K 5:23:02 h8
2024
02.11 36h USA4th RUTFest 101.388 km24
10.08 160km CAN2nd Ultra-Trail du Fjord du Saguenay 30:49:15 h2 🥈
20.07 50km USA1st Spaulding Woods 50K 6:49:06 h3 🥉
06.07 50km USA3rd The Aliza Lapierre Fan Club 50k 6:02:21 h5
29.06 50km USA11th Catamount Ultra Marathon 5:07:07 h31
08.06 100mi USA29th Kettle Moraine 100 Mile Endurance Run 23:35:12 h39
16.03 80km FRA16ème EcoTrail de Paris - Ile de France 9:51:17 h795
2023
21.07 100mi USA7th High Lonesome 100 Mile 30:38:39 h28
26.05 166km FIN10 NUTS Karhunkierros 166km Trail Ultra 30:04:23 h36
2022
05.11 30h USA8th The Hamsterwheel 30 Hour Run 180.246 km4
22.07 100mi USA24th Cascade Crest Classic 100 Mile 24:51:10 h20
28.05 100mi GBR4th Chester Ultra 100 Miles 24:18:39 h8
2021
26.09 76.6km USA28th Vermont 50 Miles Ultra Run 9:31:59 h21
28.08 100mi USA23rd Cascade Crest Classic 100 Mile 27:55:20 h37
26.06 50km USA8th Catamount Ultra Marathon 5:23:23 h38
2020
15.02 100km USA7th Black Canyon Trail 100 km Run 12:17:40 h109
2019
02.11 100mi USA12th Pinhoti 100 Mile 25:16:53 h25
06.09 100mi USA40th Wasatch Front 100 Mile 26:32:07 h28
07.06 100mi USA18th San Diego 100 Mile Endurance Run 27:21:20 h62
13.04 50km USA6th Runamuck 50K 4:24:54 h12
2018
30.09 50mi USA26th Vermont 50 Miles Ultra Run 9:28:31 h47
31.08 171km FRA16ème Ultra Trail Tour du Mont Blanc 34:06:04 h282
23.06 100mi USA8th Black Hills 100 Mile Run 25:24:43 h7
07.04 50km USA5th Runamuck 50K 4:37:55 h19
2017
24.09 50mi USA25th Vermont 50 Miles Ultra Run 9:28:08 h33
15.07 100mi USA29th Vermont 100 Mile Endurance Race 19:42:54 h25
24.06 50km USA4th Catamount Ultra Marathon 5:03:52 h12
08.04 50km USA4th Runamuck 50K 4:39:19 h22
2016
25.09 50mi USA23rd Vermont 50 Miles Ultra Run 8:51:39 h30
16.07 100mi USA28th Vermont 100 Mile Endurance Race 20:26:02 h23
2015
27.09 50mi USA22nd Vermont 50 Miles Ultra Run 8:37:09 h24
18.07 100mi USA27th Vermont 100 Mile Endurance Race 21:42:55 h51
27.06 50km USA2nd Catamount Ultra Marathon 4:46:54 h10
2014
19.07 100mi USA26th Vermont 100 Mile Endurance Race 22:41:48 h89
28.06 50km USA1st Catamount Ultra Marathon 4:52:15 h13
2013
29.09 50mi trail race USA20th Vermont 50 Miles Ultra Run 8:26:15 h28
20.07 100mi USA25th Vermont 100 Mile Endurance Race 23:26:27 h88
2012
30.09 50mi USA19th Vermont 50 Miles Ultra Run 8:48:18 h46
2011
25.09 50mi USA18th Vermont 50 Miles Ultra Run 8:48:23 h37
2010
26.09 50mi USA17th Vermont 50 Miles Ultra Run 9:37:48 h70
2009
27.09 50mi USA16th Vermont 50 Miles Ultra Run 9:55:28 h36
2008
28.09 50mi USA15th Vermont 50 Miles Ultra Run 8:53:55 h27