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BOSTON MARATHON 2023

Huy Son

Bib: 4967•M

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 25%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M40-44)
#0 / 2241
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #5165
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:08
Rank: #4814 (+351)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:03:10
Rank: #4782 (+32)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:24:25
Rank: #4775 (+7)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:29:02
Rank: #4784 (-9)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:48
Rank: #4807 (-23)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:07:54
Rank: #4854 (-47)
25K → 30K
22:06 | 7:07/mi
20M
2:17:31
Rank: #4799 (+55)
30K → 20M
9:37 | 7:05/mi
21M
2:24:55
Rank: #4739 (+60)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:29:57
Rank: #4687 (+52)
21M → 35K
5:02 | 6:44/mi
23M
2:38:29
Rank: #4530 (+157)
35K → 23M
8:32 | 6:49/mi
24M
2:45:07
Rank: #4418 (+112)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:50:47
Rank: #4287 (+131)
24M → 40K
5:40 | 6:38/mi
25.2M
2:53:14
Rank: #4235 (+52)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:59:30
Rank: #4037 (+198)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:30:28
Pace6:54 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5121:176:5121:17
6:51
-
10K
6.21 mi10:44:4242:086:4720:51
6:43
-0:08
15K
9.32 mi11:05:441:03:106:4721:02
6:46
+0:03
20K
12.43 mi11:26:591:24:256:4821:15
6:50
+0:04
Half
13.11 mi11:31:361:29:026:474:37
6:46
-0:04
25K
15.53 mi11:48:221:45:486:4916:46
6:55
+0:09
30K
18.64 mi12:10:282:07:546:5222:06
7:07
+0:12
20M
20.00 mi12:20:052:17:316:539:37
7:05
-0:02
21M
21.00 mi12:27:292:24:556:547:24
7:24
+0:19
35K
21.75 mi12:32:312:29:576:545:02
6:44
-0:40
23M
23.00 mi12:41:032:38:296:538:32
6:49
+0:05
24M
24.00 mi12:47:412:45:076:536:38
6:38
-0:11
40K
24.85 mi12:53:212:50:476:525:40
6:38
0:00
25.2M
25.20 mi12:55:482:53:146:522:27
7:06
+0:28
Finish
26.22 mi13:02:042:59:306:516:16
6:09
-0:57

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:09 /mi

Average Pace

6:51 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:34

10% of race

Time at Steady Pace

1:59:22

66% of race

Time at Slower Pace

41:34

23% of race

Average Pace: 6:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:5121:176:5121:17
6:51
#5165
10K
6.21 mi10:44:4242:086:4720:51
6:43
#4814
15K
9.32 mi11:05:441:03:106:4721:02
6:46
#4782
20K
12.43 mi11:26:591:24:256:4821:15
6:50
#4775
Half
13.11 mi11:31:361:29:026:474:37
6:46
#4784
25K
15.53 mi11:48:221:45:486:4916:46
6:55
#4807
30K
18.64 mi12:10:282:07:546:5222:06
7:07
#4854
20M
20.00 mi12:20:052:17:316:539:37
7:05
#4799
21M
21.00 mi12:27:292:24:556:547:24
7:24
#4739
35K
21.75 mi12:32:312:29:576:545:02
6:44
#4687
23M
23.00 mi12:41:032:38:296:538:32
6:49
#4530
24M
24.00 mi12:47:412:45:076:536:38
6:38
#4418
40K
24.85 mi12:53:212:50:476:525:40
6:38
#4287
25.2M
25.20 mi12:55:482:53:146:522:27
7:06
#4235
Finish
26.22 mi13:02:042:59:306:516:16
6:09
#4037
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5165478847884843(Top 18%)4505(Top 30%)4505(Top 201%)
10K6.21 mi3.10 mi4814+3514476+3124476+3124473(Top 17%)4179(Top 28%)4179(Top 186%)
15K9.32 mi3.11 mi4782+324449+274449+274843(Top 18%)4505(Top 30%)4505(Top 201%)
20K12.43 mi3.11 mi4775+74453-44453-44835(Top 18%)4487(Top 30%)4487(Top 200%)
Half13.11 mi0.68 mi4784-94457-44457-45088(Top 19%)4698(Top 31%)4698(Top 210%)
25K15.53 mi2.42 mi4807-234473-164473-165077(Top 19%)4687(Top 31%)4687(Top 209%)
30K18.64 mi3.11 mi4854-474515-424515-425016(Top 19%)4607(Top 30%)4607(Top 206%)
20M20.00 mi1.36 mi4799+554463+524463+524514(Top 17%)4139(Top 27%)4139(Top 185%)
21M21.00 mi1.00 mi4739+604413+504413+504154(Top 16%)3807(Top 25%)3807(Top 170%)
35K21.75 mi0.75 mi4687+524363+504363+503797(Top 14%)3491(Top 23%)3491(Top 156%)
23M23.00 mi1.25 mi4530+1574218+1454218+1452779(Top 10%)2595(Top 17%)2595(Top 116%)
24M24.00 mi1.00 mi4418+1124123+954123+952795(Top 10%)2598(Top 17%)2598(Top 116%)
40K24.85 mi0.85 mi4287+1314005+1184005+1182069(Top 8%)1933(Top 13%)1933(Top 86%)
25.2M25.20 mi0.35 mi4235+523959+463959+462209(Top 8%)2044(Top 13%)2044(Top 91%)
Finish26.22 mi1.02 mi4037+1983777+1823777+1821150(Top 4%)1094(Top 7%)1094(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4843

Males

4505

M40-44

4505

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4473

Males

4179

M40-44

4179

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4843

Males

4505

M40-44

4505

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4835

Males

4487

M40-44

4487

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5088

Males

4698

M40-44

4698

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5077

Males

4687

M40-44

4687

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5016

Males

4607

M40-44

4607

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4514

Males

4139

M40-44

4139

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4154

Males

3807

M40-44

3807

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3797

Males

3491

M40-44

3491

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2779

Males

2595

M40-44

2595

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2795

Males

2598

M40-44

2598

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2069

Males

1933

M40-44

1933

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2209

Males

2044

M40-44

2044

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1150

Males

1094

M40-44

1094

Passing Analysis

Category:
Athletes Passed
1809
Passed By
681
Net Change
+1128
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5165
5K → 10K42473+351#5165#4814
10K → 15K133101+32#4814#4782
15K → 20K107100+7#4782#4775
20K → Half2736-9#4775#4784
Half → 25K87110-23#4784#4807
25K → 30K126173-47#4807#4854
30K → 20M8934+55#4854#4799
20M → 21M9030+60#4799#4739
21M → 35K619+52#4739#4687
35K → 23M1647+157#4687#4530
23M → 24M1164+112#4530#4418
24M → 40K1321+131#4418#4287
40K → 25.2M553+52#4287#4235
25.2M → Finish1980+198#4235#4037
TOTALS1809681+1128
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing