Justin Marshall

Chicago

Bib: 72815 M

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Male)

#0 / 29548

Division (M20-24)

#0 / 1200

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

12:30/mi

38:50

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

14:14/mi

1:23:04

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

14:27/mi

2:07:57

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

16:04/mi

2:57:53

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

17:05/mi

3:09:32

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

16:56/mi

3:50:35

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

17:04/mi

4:43:37

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

18:06/mi

5:39:51

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

18:06/mi

6:36:04

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

18:23/mi

7:01:08

↑ 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

3:09:3214:27 /mi⚡ faster

2nd Half

3:51:3617:40 /mi+22.2%

Positive split — 22.2% slower in the second half

AI Race Performance Report

Justin'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	38:50	12:30	3.11 mi	38:50	12:30	-
10K	1:23:04	13:22	3.10 mi	44:14	14:14	+1:44
15K	2:07:57	13:44	3.11 mi	44:53	14:27	+0:13
20K	2:57:53	14:19	3.11 mi	49:56	16:04	+1:37
Half(13.11 mi)	3:09:32	14:27	0.68 mi	11:39	17:05	+1:01
25K	3:50:35	14:51	2.42 mi	41:03	16:56	-0:09
30K	4:43:37	15:13	3.11 mi	53:02	17:04	+0:08
35K	5:39:51	15:38	3.11 mi	56:14	18:06	+1:02
40K	6:36:04	15:56	3.10 mi	56:14	18:06	0:00
Finish(26.22 mi)	7:01:08	16:04	1.37 mi	25:04	18:23	+0:17

Trend:

Faster pace

Steady pace

Slower pace

Est.Checkpoint not recorded (estimated)

~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

12:30 /mi

Average Pace

16:04 /mi

Slowest Pace

18:23 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:57:53

42% of race

Time at Steady Pace

1:45:44

25% of race

Time at Slower Pace

2:17:31

33% of race

Average Pace: 16:04 /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	M20-24	Seg. Overall	Seg. Males	Seg. M20-24
5K	3.11 mi	51227	28728	1183	53109	29290	1195
10K	3.10 mi	52093-866	29019-291	1190-7	52450	29147	1193
15K	3.11 mi	52622-529	29180-161	1192-2	53109	29290	1195
20K	3.11 mi	52974-352	29275-95	1193-1	53426	29364	1194
Half(13.11 mi)	0.68 mi	53035-61	29290-15	1193	53153	29222	1189
25K	2.42 mi	53155-120	29317-27	1193	53299	29268	1192
30K	3.11 mi	53220-65	29322-5	1195-2	52910	29087	1176
35K	3.11 mi	53348-128	29352-30	1195	53375	29272	1188
40K	3.10 mi	53391-43	29353-1	1195	53005	29045	1178
Finish(26.22 mi)	1.37 mi	53439-48	29362-9	1195	53498	29284	1194

29284

Passing Analysis

No position changes recorded for this athlete.

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All Results

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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