Natalie Jeong

Boston

Bib: 33074 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Top 28%

Gender (Female)

#0 / 24561

Top 16%

Masters (Masters Women)

#0 / 9409

Top 13%

Division (F55-59)

#0 / 1120

Top 5%

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

8:23/mi

26:02

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

8:22/mi

52:01

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

8:11/mi

1:17:28

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

8:20/mi

1:43:22

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

8:08/mi

1:48:55

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

8:14/mi

2:08:52

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

8:21/mi

2:34:49

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

8:25/mi

3:00:57

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

8:32/mi

3:27:27

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

8:03/mi

3:38:26

↑ 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

1:48:558:18 /mi⚖️ balanced

2nd Half

1:49:318:21 /mi⚖️ balanced

Even split — consistent pacing between halves

AI Race Performance Report

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:02	8:23	3.11 mi	26:02	8:23	-
10K	52:01	8:22	3.10 mi	25:59	8:22	-0:01
15K	1:17:28	8:19	3.11 mi	25:27	8:11	-0:11
20K	1:43:22	8:19	3.11 mi	25:54	8:20	+0:09
Half(13.11 mi)	1:48:55	8:18	0.68 mi	5:33	8:08	-0:12
25K	2:08:52	8:18	2.42 mi	19:57	8:14	+0:06
30K	2:34:49	8:18	3.11 mi	25:57	8:21	+0:07
35K	3:00:57	8:19	3.11 mi	26:08	8:25	+0:04
40K	3:27:27	8:21	3.10 mi	26:30	8:32	+0:07
Finish(26.22 mi)	3:38:26	8:20	1.37 mi	10:59	8:03	-0:29

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:03 /mi

Average Pace

8:20 /mi

Slowest Pace

8:32 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

3:11:56

88% of race

Time at Steady Pace

26:30

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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	F55-59	Seg. Overall	Seg. Females	Seg. F55-59
5K	3.11 mi	18633	5039	102	18235	4771	83
10K	3.10 mi	18491+142	4976+63	94+8	18485	4948	90
15K	3.11 mi	18306+185	4873+103	88+6	18235	4771	83
20K	3.11 mi	18224+82	4831+42	87+1	18234	4781	87
Half(13.11 mi)	0.68 mi	18024+200	4758+73	83+4	15018	3627	41
25K	2.42 mi	17693+331	4638+120	79+4	16319	4134	59
30K	3.11 mi	17123+570	4435+203	68+11	15198	3911	56
35K	3.11 mi	16354+769	4248+187	65+3	13699	3593	47
40K	3.10 mi	15435+919	4040+208	57+8	11866	3285	50
Finish(26.22 mi)	1.37 mi	15055+380	3947+93	55+2	10428	2822	27

2822

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