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BOSTON MARATHON 2023

Paul Nguyen

Bib: 3912•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:14
Rank: #4976
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
41:39
Rank: #3993 (+983)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:30
Rank: #3189 (+804)
10K → 15K
19:51 | 6:23/mi
20K· 12.43 mi
1:21:25
Rank: #2738 (+451)
15K → 20K
19:55 | 6:25/mi
Half· 13.11 mi
1:25:42
Rank: #2666 (+72)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:40:48
Rank: #2357 (+309)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
2:01:04
Rank: #2202 (+155)
25K → 30K
20:16 | 6:31/mi
20M
2:09:53
Rank: #2105 (+97)
30K → 20M
8:49 | 6:29/mi
21M
2:16:46
Rank: #2066 (+39)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:21:22
Rank: #2016 (+50)
21M → 35K
4:36 | 6:09/mi
23M
2:29:11
Rank: #1873 (+143)
35K → 23M
7:49 | 6:15/mi
24M
2:35:10
Rank: #1767 (+106)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:40:28
Rank: #1692 (+75)
24M → 40K
5:18 | 6:12/mi
25.2M
2:42:47
Rank: #1667 (+25)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:48:55
Rank: #1596 (+71)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:42
Pace6:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:23:13
Pace6:21 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5521:146:5021:14
6:50
-
10K
6.21 mi10:44:2041:396:4220:25
6:34
-0:16
15K
9.32 mi11:04:111:01:306:3619:51
6:23
-0:11
20K
12.43 mi11:24:061:21:256:3319:55
6:25
+0:02
Half
13.11 mi11:28:231:25:426:324:17
6:17
-0:08
25K
15.53 mi11:43:291:40:486:2915:06
6:14
-0:03
30K
18.64 mi12:03:452:01:046:3020:16
6:31
+0:17
20M
20.00 mi12:12:342:09:536:308:49
6:29
-0:02
21M
21.00 mi12:19:272:16:466:316:53
6:53
+0:24
35K
21.75 mi12:24:032:21:226:304:36
6:09
-0:44
23M
23.00 mi12:31:522:29:116:297:49
6:15
+0:06
24M
24.00 mi12:37:512:35:106:285:59
5:59
-0:16
40K
24.85 mi12:43:092:40:286:275:18
6:12
+0:13
25.2M
25.20 mi12:45:282:42:476:282:19
6:43
+0:31
Finish
26.22 mi12:51:362:48:556:276:08
6:01
-0:42

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

5:59 /mi

Average Pace

6:27 /mi

Slowest Pace

6:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:29

82% of race

Time at Steady Pace

30:26

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:23:5521:146:5021:14
6:50
#4976
10K
6.21 mi10:44:2041:396:4220:25
6:34
#3993
15K
9.32 mi11:04:111:01:306:3619:51
6:23
#3189
20K
12.43 mi11:24:061:21:256:3319:55
6:25
#2738
Half
13.11 mi11:28:231:25:426:324:17
6:17
#2666
25K
15.53 mi11:43:291:40:486:2915:06
6:14
#2357
30K
18.64 mi12:03:452:01:046:3020:16
6:31
#2202
20M
20.00 mi12:12:342:09:536:308:49
6:29
#2105
21M
21.00 mi12:19:272:16:466:316:53
6:53
#2066
35K
21.75 mi12:24:032:21:226:304:36
6:09
#2016
23M
23.00 mi12:31:522:29:116:297:49
6:15
#1873
24M
24.00 mi12:37:512:35:106:285:59
5:59
#1767
40K
24.85 mi12:43:092:40:286:275:18
6:12
#1692
25.2M
25.20 mi12:45:282:42:476:282:19
6:43
#1667
Finish
26.22 mi12:51:362:48:556:276:08
6:01
#1596
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4976461846182027(Top 8%)1942(Top 13%)1942(Top 37%)
10K6.21 mi3.10 mi3993+9833754+8643754+8643271(Top 12%)3113(Top 21%)3113(Top 59%)
15K9.32 mi3.11 mi3189+8043035+7193035+7192027(Top 8%)1942(Top 13%)1942(Top 37%)
20K12.43 mi3.11 mi2738+4512616+4192616+4191837(Top 7%)1760(Top 12%)1760(Top 33%)
Half13.11 mi0.68 mi2666+722547+692547+691692(Top 6%)1622(Top 11%)1622(Top 31%)
25K15.53 mi2.42 mi2357+3092261+2862261+2861072(Top 4%)1021(Top 7%)1021(Top 19%)
30K18.64 mi3.11 mi2202+1552112+1492112+1491648(Top 6%)1575(Top 10%)1575(Top 30%)
20M20.00 mi1.36 mi2105+972017+952017+951405(Top 5%)1340(Top 9%)1340(Top 25%)
21M21.00 mi1.00 mi2066+391979+381979+381691(Top 6%)1607(Top 11%)1607(Top 30%)
35K21.75 mi0.75 mi2016+501932+471932+471103(Top 4%)1051(Top 7%)1051(Top 20%)
23M23.00 mi1.25 mi1873+1431793+1391793+139717(Top 3%)677(Top 4%)677(Top 13%)
24M24.00 mi1.00 mi1767+1061691+1021691+102524(Top 2%)495(Top 3%)495(Top 9%)
40K24.85 mi0.85 mi1692+751617+741617+74660(Top 2%)624(Top 4%)624(Top 12%)
25.2M25.20 mi0.35 mi1667+251592+251592+25952(Top 4%)908(Top 6%)908(Top 17%)
Finish26.22 mi1.02 mi1596+711525+671525+67781(Top 3%)748(Top 5%)748(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2027

Males

1942

M18-39

1942

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3271

Males

3113

M18-39

3113

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2027

Males

1942

M18-39

1942

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1837

Males

1760

M18-39

1760

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1692

Males

1622

M18-39

1622

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1072

Males

1021

M18-39

1021

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1648

Males

1575

M18-39

1575

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1405

Males

1340

M18-39

1340

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1691

Males

1607

M18-39

1607

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1103

Males

1051

M18-39

1051

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

717

Males

677

M18-39

677

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

524

Males

495

M18-39

495

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

660

Males

624

M18-39

624

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

952

Males

908

M18-39

908

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

781

Males

748

M18-39

748

Passing Analysis

Category:
Athletes Passed
3433
Passed By
53
Net Change
+3380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4976
5K → 10K99714+983#4976#3993
10K → 15K8051+804#3993#3189
15K → 20K4510+451#3189#2738
20K → Half720+72#2738#2666
Half → 25K3101+309#2666#2357
25K → 30K16914+155#2357#2202
30K → 20M1003+97#2202#2105
20M → 21M5011+39#2105#2066
21M → 35K522+50#2066#2016
35K → 23M1430+143#2016#1873
23M → 24M1071+106#1873#1767
24M → 40K761+75#1767#1692
40K → 25.2M261+25#1692#1667
25.2M → Finish754+71#1667#1596
TOTALS343353+3380
📊

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