Son Nguyen

Bib: 15999 M VN

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Gender (Male)

#0 / 16105

Masters (Masters Men)

#0 / 10463

Division (M45-49)

#0 / 2386

Race Day Weather

50°/40°F

broken clouds

Race Timeline

Ribbon color based on

FasterSteadySlower· vs. your average pace

Start

0:00

Race begins

469 ft elev

5K· 3.11 mi

8:39/mi

26:53

↑ 97 ft↓ 345 ft1.5% grade

220 ft elev

10K· 6.21 mi

9:22/mi

55:59

↑ 79 ft↓ 138 ft0.4% grade

157 ft elev

15K· 9.32 mi

10:06/mi

1:27:22

↑ 67 ft↓ 78 ft

146 ft elev

20K· 12.43 mi

11:29/mi

2:03:04

↑ 106 ft↓ 86 ft0.1% grade

165 ft elev

Half· 13.11 mi

11:02/mi

2:10:36

↑ 19 ft↓ 37 ft0.5% grade

148 ft elev

25K· 15.53 mi

12:44/mi

2:41:28

↑ 66 ft↓ 88 ft0.2% grade

127 ft elev

30K· 18.64 mi

13:00/mi

3:21:52

↑ 181 ft↓ 148 ft0.2% grade

138 ft elev

20M

15:19/mi

3:42:41

↑ 64 ft↓ 50 ft0.2% grade

148 ft elev

21M

17:28/mi

4:00:09

↑ 106 ft↓ 24 ft1.6% grade

227 ft elev

35K· 21.75 mi

14:10/mi

4:10:45

↑ 17 ft↓ 86 ft1.7% grade

156 ft elev

23M

16:15/mi

4:31:06

↑ 23 ft↓ 63 ft0.6% grade

116 ft elev

24M

13:02/mi

4:44:08

↓ 82 ft1.3% grade

34 ft elev

40K· 24.85 mi

14:47/mi

4:56:46

↓ 20 ft0.3% grade

20 ft elev

25.2M

16:00/mi

5:02:17

↑ 13 ft↓ 16 ft0.2% grade

18 ft elev

Finish· 26.22 mi

11:21/mi

5:13:51

↑ 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

2:10:369:58 /mi⚡ faster

2nd Half

3:03:1513:59 /mi+40.3%

Positive split — 40.3% slower in the second half

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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Diff
5K	26:53	8:39	3.11 mi	26:53	8:39	-
10K	55:59	9:01	3.10 mi	29:06	9:22	+0:43
15K	1:27:22	9:22	3.11 mi	31:23	10:06	+0:44
20K	2:03:04	9:54	3.11 mi	35:42	11:29	+1:23
Half(13.11 mi)	2:10:36	9:58	0.68 mi	7:32	11:02	-0:27
25K	2:41:28	10:24	2.42 mi	30:52	12:44	+1:42
30K	3:21:52	10:50	3.11 mi	40:24	13:00	+0:16
20M	3:42:41	11:08	1.36 mi	20:49	15:19	+2:19
21M	4:00:09	11:26	1.00 mi	17:28	17:28	+2:09
35K	4:10:45	11:32	0.75 mi	10:36	14:10	-3:18
23M	4:31:06	11:47	1.25 mi	20:21	16:15	+2:05
24M	4:44:08	11:50	1.00 mi	13:02	13:02	-3:13
40K	4:56:46	11:56	0.85 mi	12:38	14:47	+1:45
25.2M	5:02:17	12:00	0.35 mi	5:31	16:00	+1:13
Finish(26.22 mi)	5:13:51	11:59	1.02 mi	11:34	11:21	-4:39

Trend:

Faster pace

Steady pace

Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:39 /mi

Average Pace

11:59 /mi

Slowest Pace

17:28 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

2:22:10

45% of race

Time at Steady Pace

1:34:54

30% of race

Time at Slower Pace

1:16:47

24% of race

Average Pace: 11:58 /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	M45-49	Seg. Overall	Seg. Males	Seg. M45-49
5K	3.11 mi	20760	12756	12756	25208	14803	14803
10K	3.10 mi	22475-1715	13539-783	13539-783	23740	14142	14142
15K	3.11 mi	23671-1196	14110-571	14110-571	25208	14803	14803
20K	3.11 mi	24763-1092	14597-487	14597-487	26618	15381	15381
Half(13.11 mi)	0.68 mi	24908-145	14656-59	14656-59	26561	15340	15340
25K	2.42 mi	25499-591	14915-259	14915-259	27103	15543	15543
30K	3.11 mi	25809-310	15019-104	15019-104	26676	15290	15290
20M	1.36 mi	26123-314	15150-131	15150-131	27984	15867	15867
21M	1.00 mi	26391-268	15257-107	15257-107	28226	15998	15998
35K	0.75 mi	26467-76	15282-25	15282-25	27772	15710	15710
23M	1.25 mi	26717-250	15379-97	15379-97	28190	15960	15960
24M	1.00 mi	26742-25	15381-2	15381-2	26897	15244	15244
40K	0.85 mi	26805-63	15402-21	15402-21	27666	15645	15645
25.2M	0.35 mi	26818-13	15404-2	15404-2	27707	15653	15653
Finish(26.22 mi)	1.02 mi	26802+16	15395+9	15395+9	25944	14756	14756

14756

Passing Analysis

Category:

▼Net Change

0 passed by0 passed

Segment	Movement	Rank
Start → 5K	-	#20760
5K → 10K	173318-1715	#20760 → #22475
10K → 15K	121822-1196	#22475 → #23671
15K → 20K	10975-1092	#23671 → #24763
20K → Half	1494-145	#24763 → #24908
Half → 25K	6009-591	#24908 → #25499
25K → 30K	35141-310	#25499 → #25809
30K → 20M	3239-314	#25809 → #26123
20M → 21M	2724-268	#26123 → #26391
21M → 35K	826-76	#26391 → #26467
35K → 23M	2588-250	#26467 → #26717
23M → 24M	4419-25	#26717 → #26742
24M → 40K	685-63	#26742 → #26805
40K → 25.2M	174-13	#26805 → #26818
25.2M → Finish	1329+16	#26818 → #26802
TOTALS	6225183-6042	#20760 → #26802

Passing Visualized

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