Alexa Jacobs

Boston

Bib: 34087 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 44%

Gender (Female)

#0 / 24561

Top 31%

Division (F25-29)

#0 / 5362

Top 33%

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

9:08/mi

28:24

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:59/mi

56:20

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:53/mi

1:23:55

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:02/mi

1:51:59

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

9:21/mi

1:58:22

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:06/mi

2:20:25

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:17/mi

2:49:17

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:27/mi

3:18:39

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

9:56/mi

3:49:30

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:11/mi

4:02:02

↑ 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

1:58:229:02 /mi⚡ faster

2nd Half

2:03:409:26 /mi+4.5%

Positive split — 4.5% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	28:24	9:08	3.11 mi	28:24	9:08	-
10K	56:20	9:04	3.10 mi	27:56	8:59	-0:09
15K	1:23:55	9:00	3.11 mi	27:35	8:53	-0:06
20K	1:51:59	9:01	3.11 mi	28:04	9:02	+0:09
Half(13.11 mi)	1:58:22	9:02	0.68 mi	6:23	9:21	+0:19
25K	2:20:25	9:02	2.42 mi	22:03	9:06	-0:15
30K	2:49:17	9:05	3.11 mi	28:52	9:17	+0:11
35K	3:18:39	9:08	3.11 mi	29:22	9:27	+0:10
40K	3:49:30	9:14	3.10 mi	30:51	9:56	+0:29
Finish(26.22 mi)	4:02:02	9:14	1.37 mi	12:32	9:11	-0:45

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:53 /mi

Average Pace

9:14 /mi

Slowest Pace

9:56 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:31:11

87% of race

Time at Steady Pace

30:51

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:14 /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	27309	8768	1952	26048	8054	1833
10K	3.10 mi	26166+1143	8245+523	1834+118	25313	7841	1767
15K	3.11 mi	26021+145	8142+103	1817+17	26048	8054	1833
20K	3.11 mi	25889+132	8071+71	1815+2	25873	8024	1843
Half(13.11 mi)	0.68 mi	25916-27	8080-9	1829-14	27207	8758	2056
25K	2.42 mi	25660+256	8007+73	1825+4	24962	7814	1830
30K	3.11 mi	25128+532	7842+165	1795+30	23842	7621	1805
35K	3.11 mi	24585+543	7769+73	1794+1	22391	7370	1752
40K	3.10 mi	24095+490	7750+19	1793+1	21914	7776	1842
Finish(26.22 mi)	1.37 mi	23808+287	7683+67	1789+4	19903	7016	1730

7016

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