Justyna Sobczak

Croydon

Bib: 32589 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 42%

Masters (Masters Women)

#0 / 9409

Top 39%

Division (F40-44)

#0 / 3124

Top 44%

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

9:26/mi

29:20

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:00/mi

1:00:23

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:03/mi

1:28:30

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:23/mi

2:00:45

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:01/mi

2:07:35

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:56/mi

2:31:41

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:12/mi

3:03:22

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:02/mi

3:34:33

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:13/mi

4:06:18

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

10:09/mi

4:20:08

↑ 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

2:07:359:44 /mi⚡ faster

2nd Half

2:12:3310:07 /mi+3.9%

Positive split — 3.9% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	29:20	9:26	3.11 mi	29:20	9:26	-
10K	1:00:23	9:43	3.10 mi	31:03	10:00	+0:34
15K	1:28:30	9:30	3.11 mi	28:07	9:03	-0:57
20K	2:00:45	9:43	3.11 mi	32:15	10:23	+1:20
Half(13.11 mi)	2:07:35	9:44	0.68 mi	6:50	10:01	-0:22
25K	2:31:41	9:46	2.42 mi	24:06	9:56	-0:05
30K	3:03:22	9:50	3.11 mi	31:41	10:12	+0:16
35K	3:34:33	9:52	3.11 mi	31:11	10:02	-0:10
40K	4:06:18	9:55	3.10 mi	31:45	10:13	+0:11
Finish(26.22 mi)	4:20:08	9:56	1.37 mi	13:50	10:09	-0:04

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:03 /mi

Average Pace

9:56 /mi

Slowest Pace

10:23 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:21:33

31% of race

Time at Steady Pace

2:58:35

69% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:55 /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	Females	F40-44	Seg. Overall	Seg. Females	Seg. F40-44
5K	3.11 mi	30551	10328	1411	28298	9107	1275
10K	3.10 mi	32838-2287	11441-1113	1547-136	34900	12553	1680
15K	3.11 mi	31385+1453	10691+750	1457+90	28298	9107	1275
20K	3.11 mi	32908-1523	11458-767	1548-91	37445	14004	1837
Half(13.11 mi)	0.68 mi	32823+85	11439+19	1543+5	32269	11329	1494
25K	2.42 mi	32480+343	11312+127	1534+9	31705	11149	1490
30K	3.11 mi	31805+675	11105+207	1511+23	30204	10699	1413
35K	3.11 mi	30729+1076	10706+399	1446+65	26396	9262	1242
40K	3.10 mi	29437+1292	10307+399	1388+58	23782	8652	1173
Finish(26.22 mi)	1.37 mi	29270+167	10292+15	1382+6	27537	10769	1390

10769

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