Kristoffer Jonson
ID 992464
Born : 1983 Cat. M40 Ultrarunner since 2017 USA
37
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
32,8%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 1 610; Σ finishers = 4 913. 1 610 / 4 913 × 100 = 32.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 035 km
> 100 km5
> 160 km4
> 200 km2
Longest race217,3 km
20th Arrowhead Winter Ultra — 27/1/2025

Km per year (ultra races)

421
4 races
2022
200
3 races
2023
298
2 races
2024
317
2 races
2025
146
2 races
2026

Race types (share of distance)

Road1,7%
Trail92,5%
Stage4,3%
Elim.1,5%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M2
Longest winning streak1
Current streak0

Records

50 km4h16'04100 km13h04'0650 mi9h30'23100 mi30h33'41

HISTORY

38 race(s)
DateRacePerf.Rk
2026
13.06 7h USA7th Gulch Countdown - Last Man Standing 45.640 km6
31.01 100km USA13th Sean O'Brien 100 km Trail Race 15:12:28 h44
2025
12.07 100km USA27th Siskiyou Out Back 100 km Trail Run 14:05:28 h28
27.01 135mi USA20th Arrowhead Winter Ultra 35:47:00 h1 🏆
2024
11.05 50mi USA16th Sun Mountain 50 Mile Trail Races 10:05:57 h21
29.01 135mi USA19th Arrowhead Winter Ultra 43:57:00 h11
2023
11.11 50km USA14th Grand Ridge 50 km Trail Run 6:48:34 h6
07.10 100km USA12th Cuyamaca 100 km Endurance Run 13:51:32 h31
13.05 50km USA3rd Tiger Claw 6:51:08 h24
2022
21.08 50km CAN10th Squamish 50km 8:01:27 h83
20.08 130km/2stages CAN10th Squamish 50-50 20:14:50 h21
20.08 50mi CAN10th Squamish 50mi 12:13:23 h90
05.02 100mi USA30th Rocky Raccoon 100 Mile Trail Run 30:33:41 h189
2021
06.11 100km USA28th Leona Divide 100 km Run 13:22:09 h9
25.09 36mi USA1st Devil's Gulch 36 Mile Race 8:05:58 h9
12.06 50mi USA4th Wy’east Wonder 50 Mile Trail Race 9:30:23 h31
15.05 29mi USA1st Tapteal Greenway 50 km Run 4:57:00 h6
2020
07.03 50km USA1st Siuslaw Dunes 50km Trail Race 6:42:03 h39
07.02 100mi USA5th Orcas Island 100 Mile Race 32:10:09 h26
18.01 50km USA17th Capitol Peak MegaFatAss 5:43:47 h28
11.01 40mi USA2nd Saint Croix Winter Ultra 8:19:00 h4
2019
14.12 50km USA9th Deception Pass 50 km 5:10:25 h41
16.11 50km USA10th Grand Ridge 50 km Trail Run 6:07:14 h10
05.10 50km USA18th Baker Lake 50K Ultra Trail Run 5:05:10 h18
17.08 100km USA18th Waldo 100K Trail Run 13:04:06 h26
27.07 50mi USA38th Minnesota Voyageur Trail 50 Mile Ultra 13:35:23 h213
15.06 50km USA3rd Millersylvania Trail Race 50K 4:16:04 h5
18.05 50km USA11th Sun Mountain 50 km Trail Races 5:35:55 h34
27.04 50mi USA4th Tillamook Burn Trail Run 50 Mile 10:18:19 h33
06.04 100km USA27th Leona Divide 100 km Run 14:38:16 h89
23.03 5h USA10th Dizzy Daze 5 Hour Race 51.499 km6
16.03 50km USA27th Chuckanut 50K 5:46:46 h143
02.02 50km USA14th Orcas Island 50k 6:04:27 h32
2018
08.12 50km USA8th Deception Pass 50 km 5:13:14 h45
07.10 50mi USA1st Secret Beach 50 Mile Race 11:24:20 h13
04.08 50km USA7th Volcanic 50 7:51:24 h45
21.04 50km USA8th Yakima Skyline Rim 50k 7:56:12 h112
2017
05.08 50km USA6th Volcanic 50 9:17:13 h76