Rob Lafrentz

Sioux Falls, SD

Bib: 10539 M 50

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 8418

Gender (Male)

#0 / 5160

Masters (Masters Men)

#0 / 1580

Division (M50-54)

#0 / 233

Race Day Weather

50°/40°F

clear sky

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

873 ft elev

5K· 3.11 mi

12:51/mi

39:54

↑ 158 ft↓ 138 ft0.1% grade

892 ft elev

10K· 6.21 mi

11:31/mi

1:15:41

↑ 117 ft↓ 126 ft

882 ft elev

15K· 9.32 mi

11:57/mi

1:52:48

↑ 126 ft↓ 145 ft0.1% grade

866 ft elev

20K· 12.43 mi

12:14/mi

2:30:48

↑ 78 ft↓ 100 ft0.1% grade

849 ft elev

25K· 15.53 mi

12:12/mi

3:08:43

↑ 118 ft↓ 148 ft0.2% grade

823 ft elev

30K· 18.64 mi

13:06/mi

3:49:25

↑ 118 ft↓ 98 ft0.1% grade

845 ft elev

35K· 21.75 mi

15:01/mi

4:36:03

↑ 162 ft↓ 132 ft0.2% grade

876 ft elev

40K· 24.85 mi

12:55/mi

5:16:11

↑ 125 ft↓ 75 ft0.3% grade

928 ft elev

Finish· 26.22 mi

13:03/mi

5:33:59

↑ 72 ft↓ 85 ft0.2% grade

912 ft elev

Course Elevation

1,098ft

Total climb

158ft

Range

810 to 968 ft

1,059ft

Total descent

About the height of the Statue of Liberty

The Course

Half Splits

1st Half· via 20K

2:30:4812:08 /mi⚡ faster

2nd Half

3:03:1113:17 /mi+21.5%

Positive split — 21.5% slower in the second half

AI Race Performance Report

Rob's race, broken down like a coach

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	39:54	12:51	3.11 mi	39:54	12:51	-
10K	1:15:41	12:11	3.10 mi	35:47	11:31	-1:20
15K	1:52:48	12:06	3.11 mi	37:07	11:57	+0:26
20K	2:30:48	12:08	3.11 mi	38:00	12:14	+0:17
25K	3:08:43	12:09	3.10 mi	37:55	12:12	-0:02
30K	3:49:25	12:18	3.11 mi	40:42	13:06	+0:54
35K	4:36:03	12:42	3.11 mi	46:38	15:01	+1:55
40K	5:16:11	12:43	3.10 mi	40:08	12:55	-2:06
Finish(26.22 mi)	5:33:59	12:45	1.37 mi	17:48	13:03	+0:08

Trend:

Faster pace

Steady pace

Slower pace

More below

See the rest of Rob's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

11:31 /mi

Average Pace

12:45 /mi

Slowest Pace

15:01 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:28:49

45% of race

Time at Steady Pace

2:18:32

41% of race

Time at Slower Pace

46:38

14% of race

Average Pace: 12:44 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

Heatmap

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Checkpoint and Segment Rankings

Checkpoint	Seg. Dist	Overall	Males	M50-54	Seg. Overall	Seg. Males	Seg. M50-54
5K	3.11 mi	8194	5071	228	7583	4827	215
10K	3.10 mi	7848+346	4924+147	222+6	7405	4740	209
15K	3.11 mi	7763+85	4895+29	221+1	7583	4827	215
20K	3.11 mi	7722+41	4880+15	220+1	7550	4800	214
25K	3.10 mi	7593+129	4826+54	214+6	7013	4513	200
30K	3.11 mi	7505+88	4774+52	210+4	7131	4507	195
35K	3.11 mi	7568-63	4786-12	210	7661	4736	207
40K	3.10 mi	7423+145	4700+86	206+4	6088	3822	167
Finish(26.22 mi)	1.37 mi	7439-16	4704-4	205+1	7292	4505	190

190

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

Twin Cities in Motion

Rob Lafrentz

Race Timeline

The Course

Half Splits

Rob's race, broken down like a coach

Checkpoint Splits

See the rest of Rob's race

Checkpoints & Pacing

Pace Line

Segments

Heatmap

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→25K

25K→30K

30K→35K

35K→40K

40K→Finish

Passing Analysis

Age Grade

Questions or issues regarding timing data?

Public Race Data