John Dean Peiffer

Chicago

Bib: 10108 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 1%

Gender (Male)

#0 / 29548

Top 3%

Division (M25-29)

#0 / 4122

Top 5%

Race Day Weather

54°/44°F

few clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

600 ft elev

5K· 3.11 mi

6:13/mi

19:19

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

6:11/mi

38:32

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

6:04/mi

57:23

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

6:06/mi

1:16:20

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

6:06/mi

1:20:30

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

5:57/mi

1:34:56

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

6:06/mi

1:53:53

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

6:09/mi

2:12:58

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

6:14/mi

2:32:21

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

6:24/mi

2:41:05

↑ 23 ft↓ 20 ft

606 ft elev

Course Elevation

227ft

Total climb

32ft

Range

589 to 621 ft

221ft

Total descent

About the height of a three-story building

The Course

Half Splits

1st Half· via Half

1:20:306:08 /mi⚖️ balanced

2nd Half

1:20:356:09 /mi⚖️ balanced

Even split — consistent pacing between halves

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	19:19	6:13	3.11 mi	19:19	6:13	-
10K	38:32	6:12	3.10 mi	19:13	6:11	-0:02
15K	57:23	6:09	3.11 mi	18:51	6:04	-0:07
20K	1:16:20	6:09	3.11 mi	18:57	6:06	+0:02
Half(13.11 mi)	1:20:30	6:08	0.68 mi	4:10	6:06	0:00
25K	1:34:56	6:07	2.42 mi	14:26	5:57	-0:09
30K	1:53:53	6:07	3.11 mi	18:57	6:06	+0:09
35K	2:12:58	6:07	3.11 mi	19:05	6:09	+0:03
40K	2:32:21	6:08	3.10 mi	19:23	6:14	+0:05
Finish(26.22 mi)	2:41:05	6:09	1.37 mi	8:44	6:24	+0:10

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:57 /mi

Average Pace

6:09 /mi

Slowest Pace

6:24 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:32:21

95% of race

Time at Steady Pace

8:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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	M25-29	Seg. Overall	Seg. Males	Seg. M25-29
5K	3.11 mi	1451	1377	352	1123	1073	296
10K	3.10 mi	1351+100	1284+93	337+15	1280	1219	330
15K	3.11 mi	1260+91	1199+85	320+17	1123	1073	296
20K	3.11 mi	1186+74	1130+69	307+13	1023	982	278
Half(13.11 mi)	0.68 mi	1175+11	1119+11	305+2	932	894	253
25K	2.42 mi	1060+115	1013+106	283+22	633	607	177
30K	3.11 mi	979+81	938+75	257+26	762	727	205
35K	3.11 mi	886+93	847+91	233+24	625	595	178
40K	3.10 mi	799+87	765+82	213+20	587	550	154
Finish(26.22 mi)	1.37 mi	809-10	775-10	214-1	1346	1235	303

1235

Passing Analysis

No position changes recorded for this athlete.

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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Chicago Event Management

Race timed by

Mika Timing