Amy O'Brien

Pasadena

Bib: 25738 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F25-29)

#0 / 5362

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

10:40/mi

33:08

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

12:02/mi

1:10:30

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

12:30/mi

1:49:20

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

13:54/mi

2:32:30

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

13:31/mi

2:41:43

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

16:17/mi

3:21:11

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

15:26/mi

4:09:09

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

15:10/mi

4:56:15

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

15:34/mi

5:44:38

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

13:40/mi

6:03:16

↑ 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

2:41:4312:20 /mi⚡ faster

2nd Half

3:21:3315:22 /mi+24.6%

Positive split — 24.6% slower in the second half

AI Race Performance Report

Amy'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	33:08	10:40	3.11 mi	33:08	10:40	-
10K	1:10:30	11:21	3.10 mi	37:22	12:02	+1:22
15K	1:49:20	11:44	3.11 mi	38:50	12:30	+0:28
20K	2:32:30	12:16	3.11 mi	43:10	13:54	+1:24
Half(13.11 mi)	2:41:43	12:20	0.68 mi	9:13	13:31	-0:23
25K	3:21:11	12:57	2.42 mi	39:28	16:17	+2:46
30K	4:09:09	13:22	3.11 mi	47:58	15:26	-0:51
35K	4:56:15	13:37	3.11 mi	47:06	15:10	-0:16
40K	5:44:38	13:52	3.10 mi	48:23	15:34	+0:24
Finish(26.22 mi)	6:03:16	13:52	1.37 mi	18:38	13:40	-1:54

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:40 /mi

Average Pace

13:52 /mi

Slowest Pace

16:17 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:49:20

30% of race

Time at Steady Pace

1:11:01

20% of race

Time at Slower Pace

3:02:55

50% of race

Average Pace: 13:51 /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	F25-29	Seg. Overall	Seg. Females	Seg. F25-29
5K	3.11 mi	41320	16155	3595	49908	21628	4882
10K	3.10 mi	45266-3946	18607-2452	4197-602	47413	19971	4495
15K	3.11 mi	47289-2023	19881-1274	4491-294	49908	21628	4882
20K	3.11 mi	48814-1525	20902-1021	4711-220	51198	22542	5030
Half(13.11 mi)	0.68 mi	48804+10	20912-10	4718-7	48703	21062	4770
25K	2.42 mi	49961-1157	21694-782	4880-162	52846	23738	5225
30K	3.11 mi	50277-316	21948-254	4936-56	50889	22628	5049
35K	3.11 mi	50232+45	21973-25	4939-3	49313	21863	4910
40K	3.10 mi	50237-5	22008-35	4940-1	48951	21900	4875
Finish(26.22 mi)	1.37 mi	50160+77	21985+23	4940	47499	21160	4855

21160

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