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BOSTON MARATHON 2023

Nguyen Tong

Bib: 4630•M

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:15
Rank: #5029
Start → 5K
21:15 | 6:50/mi
10K· 6.21 mi
41:33
Rank: #3831 (+1198)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:01:52
Rank: #3455 (+376)
10K → 15K
20:19 | 6:32/mi
20K· 12.43 mi
1:22:14
Rank: #3187 (+268)
15K → 20K
20:22 | 6:33/mi
Half· 13.11 mi
1:26:42
Rank: #3176 (+11)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:57
Rank: #3184 (-8)
Half → 25K
16:15 | 6:42/mi
30K· 18.64 mi
2:03:49
Rank: #2988 (+196)
25K → 30K
20:52 | 6:43/mi
20M
2:13:05
Rank: #2967 (+21)
30K → 20M
9:16 | 6:49/mi
21M
2:20:10
Rank: #2920 (+47)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:25:07
Rank: #2899 (+21)
21M → 35K
4:57 | 6:37/mi
23M
2:33:37
Rank: #2843 (+56)
35K → 23M
8:30 | 6:47/mi
24M
2:40:13
Rank: #2816 (+27)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:45:59
Rank: #2768 (+48)
24M → 40K
5:46 | 6:45/mi
25.2M
2:48:31
Rank: #2760 (+8)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:55:09
Rank: #2731 (+29)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:42
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:28:27
Pace6:45 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1021:156:5021:15
6:50
-
10K
6.21 mi10:43:2841:336:4120:18
6:32
-0:18
15K
9.32 mi11:03:471:01:526:3820:19
6:32
0:00
20K
12.43 mi11:24:091:22:146:3720:22
6:33
+0:01
Half
13.11 mi11:28:371:26:426:374:28
6:33
0:00
25K
15.53 mi11:44:521:42:576:3816:15
6:42
+0:09
30K
18.64 mi12:05:442:03:496:3920:52
6:43
+0:01
20M
20.00 mi12:15:002:13:056:399:16
6:49
+0:06
21M
21.00 mi12:22:052:20:106:407:05
7:05
+0:16
35K
21.75 mi12:27:022:25:076:404:57
6:37
-0:28
23M
23.00 mi12:35:322:33:376:418:30
6:47
+0:10
24M
24.00 mi12:42:082:40:136:416:36
6:36
-0:11
40K
24.85 mi12:47:542:45:596:415:46
6:45
+0:09
25.2M
25.20 mi12:50:262:48:316:412:32
7:21
+0:36
Finish
26.22 mi12:57:042:55:096:416:38
6:31
-0:50

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

6:31 /mi

Average Pace

6:41 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:37

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:23:1021:156:5021:15
6:50
#5029
10K
6.21 mi10:43:2841:336:4120:18
6:32
#3831
15K
9.32 mi11:03:471:01:526:3820:19
6:32
#3455
20K
12.43 mi11:24:091:22:146:3720:22
6:33
#3187
Half
13.11 mi11:28:371:26:426:374:28
6:33
#3176
25K
15.53 mi11:44:521:42:576:3816:15
6:42
#3184
30K
18.64 mi12:05:442:03:496:3920:52
6:43
#2988
20M
20.00 mi12:15:002:13:056:399:16
6:49
#2967
21M
21.00 mi12:22:052:20:106:407:05
7:05
#2920
35K
21.75 mi12:27:022:25:076:404:57
6:37
#2899
23M
23.00 mi12:35:322:33:376:418:30
6:47
#2843
24M
24.00 mi12:42:082:40:136:416:36
6:36
#2816
40K
24.85 mi12:47:542:45:596:415:46
6:45
#2768
25.2M
25.20 mi12:50:262:48:316:412:32
7:21
#2760
Finish
26.22 mi12:57:042:55:096:416:38
6:31
#2731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5029466446642874(Top 11%)2746(Top 18%)2746(Top 52%)
10K6.21 mi3.10 mi3831+11983606+10583606+10582991(Top 11%)2855(Top 19%)2855(Top 54%)
15K9.32 mi3.11 mi3455+3763273+3333273+3332874(Top 11%)2746(Top 18%)2746(Top 52%)
20K12.43 mi3.11 mi3187+2683034+2393034+2392594(Top 10%)2482(Top 16%)2482(Top 47%)
Half13.11 mi0.68 mi3176+113025+93025+93047(Top 11%)2912(Top 19%)2912(Top 55%)
25K15.53 mi2.42 mi3184-83032-73032-73353(Top 13%)3180(Top 21%)3180(Top 60%)
30K18.64 mi3.11 mi2988+1962850+1822850+1822488(Top 9%)2367(Top 16%)2367(Top 45%)
20M20.00 mi1.36 mi2967+212832+182832+182922(Top 11%)2747(Top 18%)2747(Top 52%)
21M21.00 mi1.00 mi2920+472786+462786+462545(Top 10%)2403(Top 16%)2403(Top 45%)
35K21.75 mi0.75 mi2899+212764+222764+223056(Top 11%)2858(Top 19%)2858(Top 54%)
23M23.00 mi1.25 mi2843+562709+552709+552587(Top 10%)2428(Top 16%)2428(Top 46%)
24M24.00 mi1.00 mi2816+272678+312678+312553(Top 10%)2381(Top 16%)2381(Top 45%)
40K24.85 mi0.85 mi2768+482631+472631+472542(Top 10%)2356(Top 16%)2356(Top 45%)
25.2M25.20 mi0.35 mi2760+82622+92622+93113(Top 12%)2836(Top 19%)2836(Top 54%)
Finish26.22 mi1.02 mi2731+292598+242598+242520(Top 9%)2314(Top 15%)2314(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2874

Males

2746

M18-39

2746

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2991

Males

2855

M18-39

2855

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2874

Males

2746

M18-39

2746

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2594

Males

2482

M18-39

2482

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3047

Males

2912

M18-39

2912

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3353

Males

3180

M18-39

3180

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2488

Males

2367

M18-39

2367

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2922

Males

2747

M18-39

2747

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2545

Males

2403

M18-39

2403

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3056

Males

2858

M18-39

2858

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2587

Males

2428

M18-39

2428

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2553

Males

2381

M18-39

2381

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2542

Males

2356

M18-39

2356

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3113

Males

2836

M18-39

2836

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2520

Males

2314

M18-39

2314

Passing Analysis

Category:
Athletes Passed
2583
Passed By
285
Net Change
+2298
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5029
5K → 10K120810+1198#5029#3831
10K → 15K3848+376#3831#3455
15K → 20K2768+268#3455#3187
20K → Half2615+11#3187#3176
Half → 25K5664-8#3176#3184
25K → 30K20913+196#3184#2988
30K → 20M5332+21#2988#2967
20M → 21M6316+47#2967#2920
21M → 35K4322+21#2920#2899
35K → 23M8024+56#2899#2843
23M → 24M5528+27#2843#2816
24M → 40K6214+48#2816#2768
40K → 25.2M157+8#2768#2760
25.2M → Finish5324+29#2760#2731
TOTALS2583285+2298
📊

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