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BOSTON MARATHON 2023

Tim Nguyen

Bib: 4431•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #2736
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
40:25
Rank: #2518 (+218)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
1:00:19
Rank: #2388 (+130)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:20:19
Rank: #2254 (+134)
15K → 20K
20:00 | 6:26/mi
Half· 13.11 mi
1:24:38
Rank: #2226 (+28)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:40:10
Rank: #2127 (+99)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
2:00:34
Rank: #2062 (+65)
25K → 30K
20:24 | 6:34/mi
20M
2:09:24
Rank: #1992 (+70)
30K → 20M
8:50 | 6:30/mi
21M
2:16:04
Rank: #1910 (+82)
20M → 21M
6:40 | 6:40/mi
35K· 21.75 mi
2:20:44
Rank: #1873 (+37)
21M → 35K
4:40 | 6:14/mi
23M
2:29:05
Rank: #1855 (+18)
35K → 23M
8:21 | 6:40/mi
24M
2:35:33
Rank: #1841 (+14)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:41:04
Rank: #1808 (+33)
24M → 40K
5:31 | 6:27/mi
25.2M
2:43:27
Rank: #1791 (+17)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:49:46
Rank: #1738 (+53)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:38
Pace6:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:08
Pace6:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4820:276:3520:27
6:35
-
10K
6.21 mi10:42:4640:256:3019:58
6:26
-0:09
15K
9.32 mi11:02:401:00:196:2819:54
6:24
-0:02
20K
12.43 mi11:22:401:20:196:2820:00
6:26
+0:02
Half
13.11 mi11:26:591:24:386:274:19
6:20
-0:06
25K
15.53 mi11:42:311:40:106:2715:32
6:24
+0:04
30K
18.64 mi12:02:552:00:346:2820:24
6:34
+0:10
20M
20.00 mi12:11:452:09:246:288:50
6:30
-0:04
21M
21.00 mi12:18:252:16:046:296:40
6:40
+0:10
35K
21.75 mi12:23:052:20:446:284:40
6:14
-0:26
23M
23.00 mi12:31:262:29:056:298:21
6:40
+0:26
24M
24.00 mi12:37:542:35:336:296:28
6:28
-0:12
40K
24.85 mi12:43:252:41:046:295:31
6:27
-0:01
25.2M
25.20 mi12:45:482:43:276:292:23
6:55
+0:28
Finish
26.22 mi12:52:072:49:466:296:19
6:12
-0:43

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

6:12 /mi

Average Pace

6:29 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:23

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /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 mi10:22:4820:276:3520:27
6:35
#2736
10K
6.21 mi10:42:4640:256:3019:58
6:26
#2518
15K
9.32 mi11:02:401:00:196:2819:54
6:24
#2388
20K
12.43 mi11:22:401:20:196:2820:00
6:26
#2254
Half
13.11 mi11:26:591:24:386:274:19
6:20
#2226
25K
15.53 mi11:42:311:40:106:2715:32
6:24
#2127
30K
18.64 mi12:02:552:00:346:2820:24
6:34
#2062
20M
20.00 mi12:11:452:09:246:288:50
6:30
#1992
21M
21.00 mi12:18:252:16:046:296:40
6:40
#1910
35K
21.75 mi12:23:052:20:446:284:40
6:14
#1873
23M
23.00 mi12:31:262:29:056:298:21
6:40
#1855
24M
24.00 mi12:37:542:35:336:296:28
6:28
#1841
40K
24.85 mi12:43:252:41:046:295:31
6:27
#1808
25.2M
25.20 mi12:45:482:43:276:292:23
6:55
#1791
Finish
26.22 mi12:52:072:49:466:296:19
6:12
#1738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2736260426042123(Top 8%)2036(Top 13%)2036(Top 39%)
10K6.21 mi3.10 mi2518+2182401+2032401+2032362(Top 9%)2262(Top 15%)2262(Top 43%)
15K9.32 mi3.11 mi2388+1302286+1152286+1152123(Top 8%)2036(Top 13%)2036(Top 39%)
20K12.43 mi3.11 mi2254+1342158+1282158+1281972(Top 7%)1893(Top 12%)1893(Top 36%)
Half13.11 mi0.68 mi2226+282132+262132+261871(Top 7%)1796(Top 12%)1796(Top 34%)
25K15.53 mi2.42 mi2127+992041+912041+911740(Top 7%)1666(Top 11%)1666(Top 32%)
30K18.64 mi3.11 mi2062+651978+631978+631820(Top 7%)1743(Top 11%)1743(Top 33%)
20M20.00 mi1.36 mi1992+701908+701908+701452(Top 5%)1381(Top 9%)1381(Top 26%)
21M21.00 mi1.00 mi1910+821827+811827+811022(Top 4%)974(Top 6%)974(Top 18%)
35K21.75 mi0.75 mi1873+371792+351792+351369(Top 5%)1299(Top 9%)1299(Top 25%)
23M23.00 mi1.25 mi1855+181775+171775+172034(Top 8%)1924(Top 13%)1924(Top 36%)
24M24.00 mi1.00 mi1841+141761+141761+141942(Top 7%)1823(Top 12%)1823(Top 34%)
40K24.85 mi0.85 mi1808+331730+311730+311384(Top 5%)1307(Top 9%)1307(Top 25%)
25.2M25.20 mi0.35 mi1791+171712+181712+181463(Top 5%)1380(Top 9%)1380(Top 26%)
Finish26.22 mi1.02 mi1738+531660+521660+521274(Top 5%)1207(Top 8%)1207(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2123

Males

2036

M18-39

2036

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2362

Males

2262

M18-39

2262

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2123

Males

2036

M18-39

2036

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1972

Males

1893

M18-39

1893

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1871

Males

1796

M18-39

1796

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1740

Males

1666

M18-39

1666

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1820

Males

1743

M18-39

1743

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1452

Males

1381

M18-39

1381

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1022

Males

974

M18-39

974

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1369

Males

1299

M18-39

1299

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2034

Males

1924

M18-39

1924

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1942

Males

1823

M18-39

1823

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1384

Males

1307

M18-39

1307

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1463

Males

1380

M18-39

1380

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1274

Males

1207

M18-39

1207

Passing Analysis

Category:
Athletes Passed
1231
Passed By
233
Net Change
+998
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2736
5K → 10K28668+218#2736#2518
10K → 15K15929+130#2518#2388
15K → 20K14511+134#2388#2254
20K → Half302+28#2254#2226
Half → 25K1067+99#2226#2127
25K → 30K10136+65#2127#2062
30K → 20M788+70#2062#1992
20M → 21M875+82#1992#1910
21M → 35K392+37#1910#1873
35K → 23M4123+18#1873#1855
23M → 24M3117+14#1855#1841
24M → 40K407+33#1841#1808
40K → 25.2M2710+17#1808#1791
25.2M → Finish618+53#1791#1738
TOTALS1231233+998
📊

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