Dennis Chang

Bib: 24160 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Gender (Male)

#0 / 15176

Masters (Masters Men)

#0 / 9891

Division (M70-74)

#0 / 213

Race Day Weather

49°/39°F

light intensity drizzle

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

8:57/mi

27:47

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:17/mi

56:37

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

9:36/mi

1:26:25

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

10:23/mi

1:58:42

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

10:05/mi

2:05:35

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

10:47/mi

2:31:44

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

11:18/mi

3:06:50

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

11:31/mi

3:22:29

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

12:31/mi

3:35:00

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

12:27/mi

3:44:19

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

10:55/mi

3:57:59

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

10:20/mi

4:08:19

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

10:46/mi

4:17:31

↓ 20 ft0.3% grade

20 ft elev

25.2M

12:43/mi

4:21:54

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

10:18/mi

4:32:24

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

7–469 ft

≈

×2stacked redwood trees

•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half

2:05:359:35 /mi⚡ faster

2nd Half

2:26:4911:12 /mi+16.9%

Positive split — 16.9% slower in the second half

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See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	27:47	8:57	3.11 mi	27:47	8:57	-
10K	56:37	9:07	3.10 mi	28:50	9:17	+0:20
15K	1:26:25	9:16	3.11 mi	29:48	9:36	+0:19
20K	1:58:42	9:33	3.11 mi	32:17	10:23	+0:47
Half(13.11 mi)	2:05:35	9:35	0.68 mi	6:53	10:05	-0:18
25K	2:31:44	9:46	2.42 mi	26:09	10:47	+0:42
30K	3:06:50	10:01	3.11 mi	35:06	11:18	+0:31
20M	3:22:29	10:07	1.36 mi	15:39	11:31	+0:13
21M	3:35:00	10:14	1.00 mi	12:31	12:31	+1:00
35K	3:44:19	10:19	0.75 mi	9:19	12:27	-0:04
23M	3:57:59	10:21	1.25 mi	13:40	10:55	-1:32
24M	4:08:19	10:21	1.00 mi	10:20	10:20	-0:35
40K	4:17:31	10:22	0.85 mi	9:12	10:46	+0:26
25.2M	4:21:54	10:24	0.35 mi	4:23	12:43	+1:57
Finish(26.22 mi)	4:32:24	10:24	1.02 mi	10:30	10:18	-2:25

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:57 /mi

Average Pace

10:24 /mi

Slowest Pace

12:43 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

1:33:18

34% of race

Time at Steady Pace

2:17:14

50% of race

Time at Slower Pace

41:52

15% of race

Average Pace: 10:23 /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	Males	M70-74	Seg. Overall	Seg. Males	Seg. M70-74
5K	3.11 mi	20184	12237	12237	22500	13411	13411
10K	3.10 mi	21107-923	12715-478	12715-478	21866	13098	13098
15K	3.11 mi	21606-499	12965-250	12965-250	22500	13411	13411
20K	3.11 mi	22264-658	13275-310	13275-310	23634	13908	13908
Half(13.11 mi)	0.68 mi	22338-74	13317-42	13317-42	23439	13814	13814
25K	2.42 mi	22633-295	13444-127	13444-127	23649	13866	13866
30K	3.11 mi	22843-210	13520-76	13520-76	23576	13782	13782
20M	1.36 mi	22913-70	13541-21	13541-21	23537	13704	13704
21M	1.00 mi	22964-51	13554-13	13554-13	23467	13652	13652
35K	0.75 mi	23087-123	13604-50	13604-50	25118	14381	14381
23M	1.25 mi	23019+68	13560+44	13560+44	22178	13004	13004
24M	1.00 mi	22953+66	13517+43	13517+43	21633	12704	12704
40K	0.85 mi	22911+42	13491+26	13491+26	21851	12763	12763
25.2M	0.35 mi	22916-5	13496-5	13496-5	23582	13584	13584
Finish(26.22 mi)	1.02 mi	22912+4	13485+11	13485+11	22557	13116	13116

13116

Passing Analysis

Category:

Passed

552

Passed By

3280

Net Change

-2728

Segment	Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#20184
5K → 10K	51	974	-923	#20184	#21107
10K → 15K	38	537	-499	#21107	#21606
15K → 20K	19	677	-658	#21606	#22264
20K → Half	9	83	-74	#22264	#22338
Half → 25K	31	326	-295	#22338	#22633
25K → 30K	59	269	-210	#22633	#22843
30K → 20M	36	106	-70	#22843	#22913
20M → 21M	32	83	-51	#22913	#22964
21M → 35K	9	132	-123	#22964	#23087
35K → 23M	87	19	+68	#23087	#23019
23M → 24M	82	16	+66	#23019	#22953
24M → 40K	58	16	+42	#22953	#22911
40K → 25.2M	14	19	-5	#22911	#22916
25.2M → Finish	27	23	+4	#22916	#22912
TOTALS	552	3280	-2728

Passing Charts

Category:

Passing Circle

Position Flow

Race Lanes

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Results processed about 1 month ago

Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing