Emily Chong

Boston

Bib: 33072 F

0:00

0:00

/ mi

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Overall

#0 / 54109

Top 41%

Gender (Female)

#0 / 24561

Top 28%

Division (F25-29)

#0 / 5362

Top 30%

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

7:49/mi

24:18

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:03/mi

49:20

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

7:56/mi

1:14:00

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:43/mi

1:41:05

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:52/mi

1:47:08

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

9:32/mi

2:10:15

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

9:30/mi

2:39:45

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

9:54/mi

3:10:29

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

10:58/mi

3:44:33

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

9:22/mi

3:57:20

↑ 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

1:47:088:10 /mi⚡ faster

2nd Half

2:10:129:56 /mi+21.5%

Positive split — 21.5% slower in the second half

AI Race Performance Report

Emily'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	24:18	7:49	3.11 mi	24:18	7:49	-
10K	49:20	7:56	3.10 mi	25:02	8:03	+0:14
15K	1:14:00	7:56	3.11 mi	24:40	7:56	-0:07
20K	1:41:05	8:08	3.11 mi	27:05	8:43	+0:47
Half(13.11 mi)	1:47:08	8:10	0.68 mi	6:03	8:52	+0:09
25K	2:10:15	8:23	2.42 mi	23:07	9:32	+0:40
30K	2:39:45	8:34	3.11 mi	29:30	9:30	-0:02
35K	3:10:29	8:46	3.11 mi	30:44	9:54	+0:24
40K	3:44:33	9:02	3.10 mi	34:04	10:58	+1:04
Finish(26.22 mi)	3:57:20	9:04	1.37 mi	12:47	9:22	-1:36

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:49 /mi

Average Pace

9:04 /mi

Slowest Pace

10:58 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:47:08

45% of race

Time at Steady Pace

1:05:24

28% of race

Time at Slower Pace

1:04:48

27% of race

Average Pace: 9:03 /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	13151	3001	806	15654	3813	942
10K	3.10 mi	14216-1065	3405-404	866-60	15650	3877	955
15K	3.11 mi	14565-349	3489-84	889-23	15654	3813	942
20K	3.11 mi	16530-1965	4169-680	1007-118	22171	6390	1486
Half(13.11 mi)	0.68 mi	16812-282	4289-120	1035-28	22098	6448	1527
25K	2.42 mi	18557-1745	4990-701	1164-129	28721	9584	2214
30K	3.11 mi	19693-1136	5516-526	1287-123	25388	8319	1957
35K	3.11 mi	20643-950	6011-495	1400-113	25410	8774	2066
40K	3.10 mi	22050-1407	6834-823	1582-182	28262	10975	2552
Finish(26.22 mi)	1.37 mi	21987+63	6877-43	1609-27	21422	7745	1905

7745

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