Michael Carlson

Born : 1959 Cat. M65 Ultrarunner since 1996

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Canada

Netherlands

United States

9,6%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 184; Σ finishers = 1 917. 184 / 1 917 × 100 = 9.60%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 476 km

> 100 km1

> 160 km1

Longest race160,9 km

3rd Cascade Crest Classic 100 Mile — 25/8/2001

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road21,1%

Trail78,9%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 35

🏅 Top 3 M5

Longest winning streak1

Current streak0

Records

50 km3h26'25 100 km7h39'47 50 mi5h51'00 100 mi23h35'00

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2011
22.10	50km	1st Foothills 50K Frenzy	4:54:56 h	9
2008
13.04	60km	6th Peterson Ridge Rumble 60 km Trail Run	4:20:56 h	6
2006
04.11	50km	11th Helen Klein Ultra Classic 50km	3:26:25 h	1 🏆
2003
02.08	50mi	11th White River 50 Mile Trail Run	9:22:40 h	52
2002
27.07	50mi	10th White River 50 Mile Trail Run	7:47:59 h	13
2001
25.08	100mi	3rd Cascade Crest Classic 100 Mile	23:35:00 h	6
28.07	50mi	9th White River 50 Mile Trail Run	7:54:48 h	19
2000
09.09	100km	25. IAU 100km WC Winschoten	7:39:47 h	53
06.05	50km	13th Harriers Elk/Beaver Ultras, 100km - 50km Split	3:49:14 h	5
06.05	100km	13th Harriers Elk/Beaver Ultras, 100km	7:44:47 h	2 🥈
25.03	50km	7th GNC 100 km Run Challenge - 50km Split	3:43:37 h	15
1999
04.12	50mi	10th Sunmart Texas Trails 50 Mile	6:15:31 h	3 🥉
17.07	100km	Elkhorn Mountain Endurance Run 100 km	9:34:43 h	1 🏆
08.05	50mi	18th Ice Age Trail 50 Mile Run	6:30:57 h	4
27.03	50km	6th GNC 50 km Run Challenge	3:33:33 h	13
27.03	50mi	6th GNC 50 Mile Run Challenge	5:51:00 h	4
1998
14.11	50mi	3rd Helen Klein Ultra Classic 50mi	5:54:58 h	4
1997
17.05	50mi	12th Silver State 50 Miles	8:21:35 h	5
1996
18.05	50mi	11th Silver State 50 Miles	9:46:24 h	5
03.02	50mi	18th Jed Smith Ultra Classic - 50 Mile Race	6:28:31 h	2 🥈

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/8/2001	3rd Cascade Crest Classic 100 Mile	160,93	×4
✓ 2	9/9/2000	25. IAU 100km WC Winschoten	100,00	×3
✓ 3	6/5/2000	13th Harriers Elk/Beaver Ultras, 100km	100,00	×3
✓ 4	17/7/1999	Elkhorn Mountain Endurance Run 100 km	100,00	×3
✓ 5	2/8/2003	11th White River 50 Mile Trail Run	80,47	×2
✓ 6	27/7/2002	10th White River 50 Mile Trail Run	80,47	×2
✓ 7	28/7/2001	9th White River 50 Mile Trail Run	80,47	×2
✓ 8	4/12/1999	10th Sunmart Texas Trails 50 Mile	80,47	×2
✓ 9	8/5/1999	18th Ice Age Trail 50 Mile Run	80,47	×2
✓ 10	27/3/1999	6th GNC 50 Mile Run Challenge	80,47	×2
✓ 11	14/11/1998	3rd Helen Klein Ultra Classic 50mi	80,47	×2
✓ 12	17/5/1997	12th Silver State 50 Miles	80,47	×2
✓ 13	18/5/1996	11th Silver State 50 Miles	80,47	×2
✓ 14	3/2/1996	18th Jed Smith Ultra Classic - 50 Mile Race	80,47	×2
✓ 15	13/4/2008	6th Peterson Ridge Rumble 60 km Trail Run	60,00	×1
✓ 16	22/10/2011	1st Foothills 50K Frenzy	50,00	×1
✓ 17	4/11/2006	11th Helen Klein Ultra Classic 50km	50,00	×1