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BOSTON MARATHON 2023

Kevin Nguyen

Bib: 5609•M

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 13%
Division (M18-39)
#0 / 5285
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:49
Rank: #3650
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
40:59
Rank: #3126 (+524)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:01:13
Rank: #2948 (+178)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:17
Rank: #2671 (+277)
15K → 20K
20:04 | 6:28/mi
Half· 13.11 mi
1:25:41
Rank: #2658 (+13)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:23
Rank: #2548 (+110)
Half → 25K
15:42 | 6:29/mi
30K· 18.64 mi
2:01:40
Rank: #2354 (+194)
25K → 30K
20:17 | 6:32/mi
20M
2:10:35
Rank: #2288 (+66)
30K → 20M
8:55 | 6:34/mi
21M
2:17:21
Rank: #2205 (+83)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:22:12
Rank: #2194 (+11)
21M → 35K
4:51 | 6:29/mi
23M
2:30:28
Rank: #2147 (+47)
35K → 23M
8:16 | 6:36/mi
24M
2:37:00
Rank: #2124 (+23)
23M → 24M
6:32 | 6:32/mi
40K· 24.85 mi
2:42:41
Rank: #2103 (+21)
24M → 40K
5:41 | 6:39/mi
25.2M
2:45:05
Rank: #2083 (+20)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:51:39
Rank: #2048 (+35)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:41
Pace6:32 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:58
Pace6:33 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4720:496:4220:49
6:42
-
10K
6.21 mi10:43:5740:596:3620:10
6:29
-0:13
15K
9.32 mi11:04:111:01:136:3420:14
6:31
+0:02
20K
12.43 mi11:24:151:21:176:3220:04
6:28
-0:03
Half
13.11 mi11:28:391:25:416:324:24
6:27
-0:01
25K
15.53 mi11:44:211:41:236:3215:42
6:29
+0:02
30K
18.64 mi12:04:382:01:406:3220:17
6:32
+0:03
20M
20.00 mi12:13:332:10:356:328:55
6:34
+0:02
21M
21.00 mi12:20:192:17:216:326:46
6:46
+0:12
35K
21.75 mi12:25:102:22:126:324:51
6:29
-0:17
23M
23.00 mi12:33:262:30:286:338:16
6:36
+0:07
24M
24.00 mi12:39:582:37:006:336:32
6:32
-0:04
40K
24.85 mi12:45:392:42:416:335:41
6:39
+0:07
25.2M
25.20 mi12:48:032:45:056:332:24
6:58
+0:19
Finish
26.22 mi12:54:372:51:396:336:34
6:27
-0:31

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

6:27 /mi

Average Pace

6:33 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:15

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:23:4720:496:4220:49
6:42
#3650
10K
6.21 mi10:43:5740:596:3620:10
6:29
#3126
15K
9.32 mi11:04:111:01:136:3420:14
6:31
#2948
20K
12.43 mi11:24:151:21:176:3220:04
6:28
#2671
Half
13.11 mi11:28:391:25:416:324:24
6:27
#2658
25K
15.53 mi11:44:211:41:236:3215:42
6:29
#2548
30K
18.64 mi12:04:382:01:406:3220:17
6:32
#2354
20M
20.00 mi12:13:332:10:356:328:55
6:34
#2288
21M
21.00 mi12:20:192:17:216:326:46
6:46
#2205
35K
21.75 mi12:25:102:22:126:324:51
6:29
#2194
23M
23.00 mi12:33:262:30:286:338:16
6:36
#2147
24M
24.00 mi12:39:582:37:006:336:32
6:32
#2124
40K
24.85 mi12:45:392:42:416:335:41
6:39
#2103
25.2M
25.20 mi12:48:032:45:056:332:24
6:58
#2083
Finish
26.22 mi12:54:372:51:396:336:34
6:27
#2048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3650343434342701(Top 10%)2580(Top 17%)2580(Top 49%)
10K6.21 mi3.10 mi3126+5242968+4662968+4662722(Top 10%)2603(Top 17%)2603(Top 49%)
15K9.32 mi3.11 mi2948+1782811+1572811+1572701(Top 10%)2580(Top 17%)2580(Top 49%)
20K12.43 mi3.11 mi2671+2772552+2592552+2592079(Top 8%)1996(Top 13%)1996(Top 38%)
Half13.11 mi0.68 mi2658+132540+122540+122451(Top 9%)2350(Top 15%)2350(Top 44%)
25K15.53 mi2.42 mi2548+1102440+1002440+1002054(Top 8%)1968(Top 13%)1968(Top 37%)
30K18.64 mi3.11 mi2354+1942257+1832257+1831677(Top 6%)1604(Top 11%)1604(Top 30%)
20M20.00 mi1.36 mi2288+662195+622195+621696(Top 6%)1619(Top 11%)1619(Top 31%)
21M21.00 mi1.00 mi2205+832114+812114+811320(Top 5%)1261(Top 8%)1261(Top 24%)
35K21.75 mi0.75 mi2194+112102+122102+122311(Top 9%)2191(Top 14%)2191(Top 41%)
23M23.00 mi1.25 mi2147+472058+442058+441778(Top 7%)1687(Top 11%)1687(Top 32%)
24M24.00 mi1.00 mi2124+232038+202038+202222(Top 8%)2080(Top 14%)2080(Top 39%)
40K24.85 mi0.85 mi2103+212017+212017+212091(Top 8%)1955(Top 13%)1955(Top 37%)
25.2M25.20 mi0.35 mi2083+201997+201997+201624(Top 6%)1530(Top 10%)1530(Top 29%)
Finish26.22 mi1.02 mi2048+351964+331964+332201(Top 8%)2041(Top 13%)2041(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2701

Males

2580

M18-39

2580

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2722

Males

2603

M18-39

2603

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2701

Males

2580

M18-39

2580

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2079

Males

1996

M18-39

1996

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2451

Males

2350

M18-39

2350

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2054

Males

1968

M18-39

1968

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1677

Males

1604

M18-39

1604

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1696

Males

1619

M18-39

1619

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1320

Males

1261

M18-39

1261

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2311

Males

2191

M18-39

2191

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1778

Males

1687

M18-39

1687

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2222

Males

2080

M18-39

2080

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2091

Males

1955

M18-39

1955

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1624

Males

1530

M18-39

1530

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2201

Males

2041

M18-39

2041

Passing Analysis

Category:
Athletes Passed
1769
Passed By
167
Net Change
+1602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3650
5K → 10K54723+524#3650#3126
10K → 15K20628+178#3126#2948
15K → 20K2792+277#2948#2671
20K → Half185+13#2671#2658
Half → 25K1199+110#2658#2548
25K → 30K1973+194#2548#2354
30K → 20M726+66#2354#2288
20M → 21M896+83#2288#2205
21M → 35K2615+11#2205#2194
35K → 23M6316+47#2194#2147
23M → 24M3411+23#2147#2124
24M → 40K3615+21#2124#2103
40K → 25.2M255+20#2103#2083
25.2M → Finish5823+35#2083#2048
TOTALS1769167+1602
📊

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