Mary Collins

Chicago

Bib: 58107 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Masters (Masters Women)

#0 / 9409

Division (F65-69)

#0 / 188

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

12:24/mi

38:30

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:36/mi

1:17:39

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:28/mi

1:56:23

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

14:26/mi

2:41:15

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

14:23/mi

2:51:04

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

16:12/mi

3:30:21

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

17:18/mi

4:24:06

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

16:44/mi

5:16:06

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

17:14/mi

6:09:37

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

16:36/mi

6:32:15

↑ 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

2:51:0413:03 /mi⚡ faster

2nd Half

3:41:1116:52 /mi+29.3%

Positive split — 29.3% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	38:30	12:24	3.11 mi	38:30	12:24	-
10K	1:17:39	12:30	3.10 mi	39:09	12:36	+0:12
15K	1:56:23	12:29	3.11 mi	38:44	12:28	-0:08
20K	2:41:15	12:59	3.11 mi	44:52	14:26	+1:58
Half(13.11 mi)	2:51:04	13:03	0.68 mi	9:49	14:23	-0:03
25K	3:30:21	13:32	2.42 mi	39:17	16:12	+1:49
30K	4:24:06	14:10	3.11 mi	53:45	17:18	+1:06
35K	5:16:06	14:32	3.11 mi	52:00	16:44	-0:34
40K	6:09:37	14:52	3.10 mi	53:31	17:14	+0:30
Finish(26.22 mi)	6:32:15	14:58	1.37 mi	22:38	16:36	-0:38

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

12:24 /mi

Average Pace

14:58 /mi

Slowest Pace

17:18 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:51:04

44% of race

Time at Steady Pace

1:53:55

29% of race

Time at Slower Pace

1:47:16

27% of race

Average Pace: 14:58 /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	F65-69	Seg. Overall	Seg. Females	Seg. F65-69
5K	3.11 mi	50924	22300	149	49814	21568	138
10K	3.10 mi	50077+847	21698+602	142+7	49196	21128	137
15K	3.11 mi	50015+62	21675+23	143-1	49814	21568	138
20K	3.11 mi	50820-805	22233-558	149-6	52066	23120	165
Half(13.11 mi)	0.68 mi	50827-7	22251-18	150-1	50508	22195	152
25K	2.42 mi	51403-576	22657-406	155-5	52783	23695	176
30K	3.11 mi	51994-591	23073-416	161-6	53087	23924	178
35K	3.11 mi	52132-138	23179-106	167-6	52321	23515	174
40K	3.10 mi	52281-149	23291-112	169-2	52188	23521	176
Finish(26.22 mi)	1.37 mi	52392-111	23377-86	169	52723	23817	177

23817

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