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Dan RIEFENBERG

United States of America

45-49 Men

20K
50K
100K

How does the calculation work?

Evolution

Results

2025

May 10

100M

Hellbender 100

Hellbender 100

Cat.

100M

country

Distance

161 KM

7298 M+

Time

26:44:43

Rank

37

138

Gender

33

115

2023

March 26

100K

Georgia Death Race

Georgia Death Race

Cat.

100K

country

Distance

119 KM

5000 M+

Time

18:29:21

Rank

24

171

Gender

20

147

2022

August 6

100M

120 Mile

Fat Dog Trail Race

Cat.

100M

country

Distance

191.9 KM

8990 M+

Time

-

Rank

DNF

Gender

DNF

2020

October 16

100M

100 Mile

Mines of Spain

Cat.

100M

country

Distance

167.5 KM

4310 M+

Time

-

Rank

DNF

Gender

DNF

2019

August 30

100M

UTMB®

UTMB®

Cat.

100M

country

Distance

171.1 KM

10210 M+

Time

35:57:40

Rank

351

1556

Gender

317

1412

February 16

100K

100K

Black Canyon Ultras

Cat.

100K

country

Distance

100.1 KM

1590 M+

Time

11:11:41

Rank

95

516

Gender

83

380

2018

October 13

100M

100 mi

INDIANA TRAIL 100

Cat.

100M

country

Distance

161.7 KM

3490 M+

Time

21:29:34

Rank

12

122

Gender

12

100

2017

September 16

100M

100 Mile

Mark Twain Endurance Runs

Cat.

100M

country

Distance

161.8 KM

2300 M+

Time

27:41:32

Rank

5

11

Gender

5

10

June 3

100K

100 km

Kettle Moraine 100

Cat.

100K

country

Distance

100.5 KM

1430 M+

Time

12:02:23

Rank

11

80

Gender

10

60

May 13

100M

Cruel Jewel 100

Cruel Jewel

Cat.

100M

country

Distance

174.2 KM

8660 M+

Time

33:01:59

Rank

11

77

Gender

11

62

March 11

50K

LAND BETWEEN THE LAKES 50 MI

LAND BETWEEN THE LAKES 50 MI

Cat.

50K

country

Distance

80.5 KM

1210 M+

Time

08:03:41

Rank

7

87

Gender

7

65

2016

November 5

100M

PINHOTI 100 MILES

PINHOTI 100

Cat.

100M

country

Distance

161.9 KM

4930 M+

Time

23:12:18

Rank

19

146

Gender

17

120

September 17

100M

100 Mile

Mark Twain Endurance Races

Cat.

100M

country

Distance

156.4 KM

2530 M+

Time

26:01:42

Rank

2

11

Gender

2

8

August 5

100M

100 Mile

Ouray 100 Mile Endurance Run

Cat.

100M

country

Distance

167.2 KM

11420 M+

Time

50:25:00

Rank

5

5

Gender

5

5

June 4

100K

100 km

Kettle Moraine 100

Cat.

100K

country

Distance

100.9 KM

1500 M+

Time

12:43:21

Rank

8

81

Gender

6

61