Aliza Vacca

Boston

Bib: 65971 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

10:18/mi

32:01

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

10:00/mi

1:03:04

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

10:25/mi

1:35:26

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

10:37/mi

2:08:25

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

10:38/mi

2:15:40

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:23/mi

2:40:51

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:44/mi

3:14:13

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:55/mi

3:48:07

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:14/mi

4:23:02

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:49/mi

4:36:26

↑ 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

2:15:4010:21 /mi⚡ faster

2nd Half

2:20:4610:44 /mi+3.8%

Positive split — 3.8% 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	32:01	10:18	3.11 mi	32:01	10:18	-
10K	1:03:04	10:09	3.10 mi	31:03	10:00	-0:18
15K	1:35:26	10:14	3.11 mi	32:22	10:25	+0:25
20K	2:08:25	10:20	3.11 mi	32:59	10:37	+0:12
Half(13.11 mi)	2:15:40	10:21	0.68 mi	7:15	10:38	+0:01
25K	2:40:51	10:21	2.42 mi	25:11	10:23	-0:15
30K	3:14:13	10:25	3.11 mi	33:22	10:44	+0:21
35K	3:48:07	10:29	3.11 mi	33:54	10:55	+0:11
40K	4:23:02	10:35	3.10 mi	34:55	11:14	+0:19
Finish(26.22 mi)	4:36:26	10:33	1.37 mi	13:24	9:49	-1:25

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:49 /mi

Average Pace

10:33 /mi

Slowest Pace

11:14 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:27:37

75% of race

Time at Steady Pace

1:08:49

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:33 /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	38109	14280	3175	39931	15323	3510
10K	3.10 mi	36294+1815	13274+1006	2982+193	34912	12565	2831
15K	3.11 mi	37476-1182	13901-627	3123-141	39931	15323	3510
20K	3.11 mi	37847-371	14136-235	3196-73	39142	14993	3472
Half(13.11 mi)	0.68 mi	37729+118	14077+59	3182+14	36543	13709	3175
25K	2.42 mi	37141+588	13833+244	3144+38	34910	12938	2983
30K	3.11 mi	36300+841	13513+320	3090+54	33635	12613	2915
35K	3.11 mi	35417+883	13223+290	3025+65	31837	12241	2863
40K	3.10 mi	34547+870	12970+253	2970+55	29948	11923	2797
Finish(26.22 mi)	1.37 mi	34035+512	12782+188	2933+37	25029	9485	2295

9485

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