Alexandra Ostrom

Chicago

Bib: 47007 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Division (F20-24)

#0 / 2002

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

11:08/mi

34:34

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

11:07/mi

1:09:05

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:57/mi

1:43:05

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

11:23/mi

2:18:27

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:46/mi

2:26:29

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

12:07/mi

2:55:51

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

11:57/mi

3:32:58

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

12:56/mi

4:13:10

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

14:43/mi

4:58:53

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

12:46/mi

5:16:18

↑ 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

2:26:2911:10 /mi⚡ faster

2nd Half

2:49:4912:57 /mi+15.9%

Positive split — 15.9% slower in the second half

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	34:34	11:08	3.11 mi	34:34	11:08	-
10K	1:09:05	11:07	3.10 mi	34:31	11:07	-0:01
15K	1:43:05	11:04	3.11 mi	34:00	10:57	-0:10
20K	2:18:27	11:08	3.11 mi	35:22	11:23	+0:26
Half(13.11 mi)	2:26:29	11:10	0.68 mi	8:02	11:46	+0:23
25K	2:55:51	11:19	2.42 mi	29:22	12:07	+0:21
30K	3:32:58	11:25	3.11 mi	37:07	11:57	-0:10
35K	4:13:10	11:38	3.11 mi	40:12	12:56	+0:59
40K	4:58:53	12:02	3.10 mi	45:43	14:43	+1:47
Finish(26.22 mi)	5:16:18	12:04	1.37 mi	17:25	12:46	-1:57

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:57 /mi

Average Pace

12:04 /mi

Slowest Pace

14:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:18:27

44% of race

Time at Steady Pace

1:14:31

24% of race

Time at Slower Pace

1:43:20

33% of race

Average Pace: 12:04 /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	Females	F20-24	Seg. Overall	Seg. Females	Seg. F20-24
5K	3.11 mi	44926	18393	1561	43546	17536	1518
10K	3.10 mi	43800+1126	17681+712	1510+51	42905	17170	1477
15K	3.11 mi	43663+137	17597+84	1514-4	43546	17536	1518
20K	3.11 mi	43591+72	17600-3	1506+8	43752	17784	1522
Half(13.11 mi)	0.68 mi	43531+60	17575+25	1505+1	43076	17586	1517
25K	2.42 mi	43647-116	17712-137	1519-14	43943	18227	1555
30K	3.11 mi	42976+671	17465+247	1490+29	40164	16344	1389
35K	3.11 mi	42879+97	17543-78	1495-5	42048	17823	1528
40K	3.10 mi	43431-552	18012-469	1533-38	46300	20489	1694
Finish(26.22 mi)	1.37 mi	43470-39	18068-56	1541-8	44189	19443	1691

19443

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