Chaiwat Engtrakul

Bib: 641 M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Top 2%

Gender (Male)

#0 / 15176

Top 3%

Masters (Masters Men)

#0 / 9891

Top 0.4%

Division (M45-49)

#0 / 2252

Top 0.3%

Race Day Weather

49°/39°F

light intensity drizzle

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Mile 2 · 298 ft

Mile 4 · 178 ft

Mile 8 · 159 ft

Mile 10 · 171 ft

Mile 14 · 142 ft

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

5:54/mi

18:19

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

5:56/mi

36:45

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

5:53/mi

55:03

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

5:58/mi

1:13:36

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

5:55/mi

1:17:38

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

5:58/mi

1:32:05

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

6:05/mi

1:51:00

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

6:06/mi

1:59:18

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

6:22/mi

2:05:40

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

5:44/mi

2:09:57

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

6:01/mi

2:17:29

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

5:52/mi

2:23:21

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

6:03/mi

2:28:31

↓ 20 ft0.3% grade

20 ft elev

25.2M

6:29/mi

2:30:45

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

5:47/mi

2:36:39

↑ 22 ft↓ 21 ft

17 ft elev

Course Elevation

890ft

Total climb

462ft

Range

7 to 469 ft

1,342ft

Total descent

About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half

1:17:385:55 /mi⚡ faster

2nd Half

1:19:016:02 /mi+1.8%

Positive split — 1.8% slower in the second half

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Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	18:19	5:54	3.11 mi	18:19	5:54	-
10K	36:45	5:55	3.10 mi	18:26	5:56	+0:02
15K	55:03	5:54	3.11 mi	18:18	5:53	-0:03
20K	1:13:36	5:55	3.11 mi	18:33	5:58	+0:05
Half(13.11 mi)	1:17:38	5:55	0.68 mi	4:02	5:55	-0:03
25K	1:32:05	5:56	2.42 mi	14:27	5:58	+0:03
30K	1:51:00	5:57	3.11 mi	18:55	6:05	+0:07
20M	1:59:18	5:58	1.36 mi	8:18	6:06	+0:01
21M	2:05:40	5:59	1.00 mi	6:22	6:22	+0:16
35K	2:09:57	5:59	0.75 mi	4:17	5:44	-0:38
23M	2:17:29	5:59	1.25 mi	7:32	6:01	+0:17
24M	2:23:21	5:58	1.00 mi	5:52	5:52	-0:09
40K	2:28:31	5:59	0.85 mi	5:10	6:03	+0:11
25.2M	2:30:45	5:59	0.35 mi	2:14	6:29	+0:26
Finish(26.22 mi)	2:36:39	5:59	1.02 mi	5:54	5:47	-0:42

Trend:

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Checkpoints & Pacing

Pace Line

Fastest Pace

5:44 /mi

Average Pace

5:59 /mi

Slowest Pace

6:29 /mi

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Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:28:03

95% of race

Time at Steady Pace

8:36

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:58 /mi

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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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	520	478	478	490	453	453
10K	3.10 mi	580-60	538-60	538-60	645	602	602
15K	3.11 mi	552+28	510+28	510+28	490	453	453
20K	3.11 mi	539+13	498+12	498+12	518	478	478
Half(13.11 mi)	0.68 mi	536+3	495+3	495+3	553	515	515
25K	2.42 mi	526+10	486+9	486+9	484	448	448
30K	3.11 mi	500+26	462+24	462+24	488	456	456
20M	1.36 mi	487+13	450+12	450+12	488	454	454
21M	1.00 mi	475+12	439+11	439+11	431	398	398
35K	0.75 mi	468+7	431+8	431+8	268	243	243
23M	1.25 mi	453+15	417+14	417+14	318	293	293
24M	1.00 mi	448+5	412+5	412+5	339	313	313
40K	0.85 mi	435+13	400+12	400+12	390	365	365
25.2M	0.35 mi	432+3	397+3	397+3	454	428	428
Finish(26.22 mi)	1.02 mi	417+15	382+15	382+15	346	328	328

328

Passing Analysis

No position changes recorded for this athlete.

All Results

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Public Race Data

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Race managed by

Boston Athletic Association

Race timed by

Mika Timing