Huahang Sun

Boston

Bib: 34093 F

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 54109

Gender (Female)

#0 / 24561

Top 48%

Masters (Masters Women)

#0 / 9409

Top 44%

Division (F55-59)

#0 / 1120

Top 39%

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

9:42/mi

30:08

↑ 52 ft↓ 48 ft

601 ft elev

10K· 6.21 mi

9:34/mi

59:52

↑ 25 ft↓ 31 ft

593 ft elev

15K· 9.32 mi

9:32/mi

1:29:30

↑ 12 ft↓ 13 ft

593 ft elev

20K· 12.43 mi

9:52/mi

2:00:09

↑ 18 ft↓ 17 ft

596 ft elev

Half· 13.11 mi

11:08/mi

2:07:45

↑ 13 ft0.2% grade

603 ft elev

25K· 15.53 mi

10:19/mi

2:32:47

↑ 22 ft↓ 30 ft

597 ft elev

30K· 18.64 mi

10:31/mi

3:05:28

↑ 13 ft↓ 12 ft

597 ft elev

35K· 21.75 mi

10:43/mi

3:38:46

↑ 27 ft↓ 27 ft

597 ft elev

40K· 24.85 mi

11:20/mi

4:14:00

↑ 16 ft↓ 11 ft

602 ft elev

Finish· 26.22 mi

11:12/mi

4:29:16

↑ 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

2:07:459:45 /mi⚡ faster

2nd Half

2:21:3110:48 /mi+10.8%

Positive split — 10.8% 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	30:08	9:42	3.11 mi	30:08	9:42	-
10K	59:52	9:38	3.10 mi	29:44	9:34	-0:08
15K	1:29:30	9:36	3.11 mi	29:38	9:32	-0:02
20K	2:00:09	9:40	3.11 mi	30:39	9:52	+0:20
Half(13.11 mi)	2:07:45	9:45	0.68 mi	7:36	11:08	+1:16
25K	2:32:47	9:50	2.42 mi	25:02	10:19	-0:49
30K	3:05:28	9:57	3.11 mi	32:41	10:31	+0:12
35K	3:38:46	10:04	3.11 mi	33:18	10:43	+0:12
40K	4:14:00	10:13	3.10 mi	35:14	11:20	+0:37
Finish(26.22 mi)	4:29:16	10:17	1.37 mi	15:16	11:12	-0:08

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:32 /mi

Average Pace

10:17 /mi

Slowest Pace

11:20 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:25:11

54% of race

Time at Steady Pace

1:28:51

33% of race

Time at Slower Pace

35:14

13% of race

Average Pace: 10:16 /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	32924	11495	454	32840	11396	426
10K	3.10 mi	32094+830	11076+419	425+29	31569	10841	409
15K	3.11 mi	32281-187	11142-66	432-7	32840	11396	426
20K	3.11 mi	32537-256	11256-114	432	33431	11804	446
Half(13.11 mi)	0.68 mi	32925-388	11491-235	443-11	39710	15568	606
25K	2.42 mi	33033-108	11597-106	449-6	34479	12691	481
30K	3.11 mi	32726+307	11592+5	452-3	32344	11899	446
35K	3.11 mi	32241+485	11517+75	440+12	30633	11518	424
40K	3.10 mi	31797+444	11512+5	433+7	30517	12226	464
Finish(26.22 mi)	1.37 mi	31988-191	11691-179	434-1	35427	14927	532

14927

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