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BOSTON MARATHON 2023

Stan Chen

Bib: 3098•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:45
Rank: #3479
Start → 5K
20:45 | 6:41/mi
10K· 6.21 mi
41:10
Rank: #3346 (+133)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:44
Rank: #3376 (-30)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:23:37
Rank: #4152 (-776)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:28:05
Rank: #4069 (+83)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:44:13
Rank: #3861 (+208)
Half → 25K
16:08 | 6:39/mi
30K· 18.64 mi
2:05:43
Rank: #3799 (+62)
25K → 30K
21:30 | 6:55/mi
20M
2:15:18
Rank: #3825 (-26)
30K → 20M
9:35 | 7:03/mi
21M
2:22:37
Rank: #3783 (+42)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:27:38
Rank: #3771 (+12)
21M → 35K
5:01 | 6:42/mi
23M
2:36:34
Rank: #3815 (-44)
35K → 23M
8:56 | 7:08/mi
24M
2:43:36
Rank: #3884 (-69)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:49:57
Rank: #4006 (-122)
24M → 40K
6:21 | 7:26/mi
25.2M
2:52:47
Rank: #4088 (-82)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:00:11
Rank: #4233 (-145)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:32:06
Pace7:02 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3220:456:4120:45
6:41
-
10K
6.21 mi10:43:5741:106:3820:25
6:34
-0:07
15K
9.32 mi11:04:311:01:446:3720:34
6:37
+0:03
20K
12.43 mi11:26:241:23:376:4421:53
7:03
+0:26
Half
13.11 mi11:30:521:28:056:434:28
6:33
-0:30
25K
15.53 mi11:47:001:44:136:4316:08
6:39
+0:06
30K
18.64 mi12:08:302:05:436:4521:30
6:55
+0:16
20M
20.00 mi12:18:052:15:186:469:35
7:03
+0:08
21M
21.00 mi12:25:242:22:376:477:19
7:19
+0:16
35K
21.75 mi12:30:252:27:386:475:01
6:42
-0:37
23M
23.00 mi12:39:212:36:346:488:56
7:08
+0:26
24M
24.00 mi12:46:232:43:366:497:02
7:02
-0:06
40K
24.85 mi12:52:442:49:576:506:21
7:26
+0:24
25.2M
25.20 mi12:55:342:52:476:512:50
8:13
+0:47
Finish
26.22 mi13:02:583:00:116:537:24
7:16
-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

6:33 /mi

Average Pace

6:53 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:21

48% of race

Time at Steady Pace

1:08:56

38% of race

Time at Slower Pace

23:54

13% of race

Average Pace: 6:52 /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 mi10:23:3220:456:4120:45
6:41
#3479
10K
6.21 mi10:43:5741:106:3820:25
6:34
#3346
15K
9.32 mi11:04:311:01:446:3720:34
6:37
#3376
20K
12.43 mi11:26:241:23:376:4421:53
7:03
#4152
Half
13.11 mi11:30:521:28:056:434:28
6:33
#4069
25K
15.53 mi11:47:001:44:136:4316:08
6:39
#3861
30K
18.64 mi12:08:302:05:436:4521:30
6:55
#3799
20M
20.00 mi12:18:052:15:186:469:35
7:03
#3825
21M
21.00 mi12:25:242:22:376:477:19
7:19
#3783
35K
21.75 mi12:30:252:27:386:475:01
6:42
#3771
23M
23.00 mi12:39:212:36:346:488:56
7:08
#3815
24M
24.00 mi12:46:232:43:366:497:02
7:02
#3884
40K
24.85 mi12:52:442:49:576:506:21
7:26
#4006
25.2M
25.20 mi12:55:342:52:476:512:50
8:13
#4088
Finish
26.22 mi13:02:583:00:116:537:24
7:16
#4233
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3479328032803460(Top 13%)3282(Top 22%)3282(Top 62%)
10K6.21 mi3.10 mi3346+1333168+1123168+1123292(Top 12%)3134(Top 21%)3134(Top 59%)
15K9.32 mi3.11 mi3376-303200-323200-323460(Top 13%)3282(Top 22%)3282(Top 62%)
20K12.43 mi3.11 mi4152-7763896-6963896-6966231(Top 23%)5642(Top 37%)5642(Top 107%)
Half13.11 mi0.68 mi4069+833820+763820+763113(Top 12%)2978(Top 20%)2978(Top 56%)
25K15.53 mi2.42 mi3861+2083643+1773643+1773041(Top 11%)2899(Top 19%)2899(Top 55%)
30K18.64 mi3.11 mi3799+623584+593584+593790(Top 14%)3554(Top 23%)3554(Top 67%)
20M20.00 mi1.36 mi3825-263606-223606-224328(Top 16%)3988(Top 26%)3988(Top 75%)
21M21.00 mi1.00 mi3783+423563+433563+433700(Top 14%)3431(Top 23%)3431(Top 65%)
35K21.75 mi0.75 mi3771+123553+103553+103615(Top 14%)3349(Top 22%)3349(Top 63%)
23M23.00 mi1.25 mi3815-443591-383591-384467(Top 17%)4053(Top 27%)4053(Top 77%)
24M24.00 mi1.00 mi3884-693646-553646-554827(Top 18%)4296(Top 28%)4296(Top 81%)
40K24.85 mi0.85 mi4006-1223751-1053751-1056204(Top 23%)5139(Top 34%)5139(Top 97%)
25.2M25.20 mi0.35 mi4088-823827-763827-767672(Top 29%)5948(Top 39%)5948(Top 113%)
Finish26.22 mi1.02 mi4233-1453954-1273954-1276791(Top 26%)5426(Top 36%)5426(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3460

Males

3282

M18-39

3282

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3292

Males

3134

M18-39

3134

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3460

Males

3282

M18-39

3282

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6231

Males

5642

M18-39

5642

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3113

Males

2978

M18-39

2978

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3041

Males

2899

M18-39

2899

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3790

Males

3554

M18-39

3554

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4328

Males

3988

M18-39

3988

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3700

Males

3431

M18-39

3431

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3615

Males

3349

M18-39

3349

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4467

Males

4053

M18-39

4053

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4827

Males

4296

M18-39

4296

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6204

Males

5139

M18-39

5139

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7672

Males

5948

M18-39

5948

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6791

Males

5426

M18-39

5426

Passing Analysis

Category:
Athletes Passed
1067
Passed By
1821
Net Change
-754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3479
5K → 10K251118+133#3479#3346
10K → 15K81111-30#3346#3376
15K → 20K4780-776#3376#4152
20K → Half852+83#4152#4069
Half → 25K2179+208#4069#3861
25K → 30K14078+62#3861#3799
30K → 20M5379-26#3799#3825
20M → 21M7735+42#3825#3783
21M → 35K3018+12#3783#3771
35K → 23M5195-44#3771#3815
23M → 24M34103-69#3815#3884
24M → 40K20142-122#3884#4006
40K → 25.2M890-82#4006#4088
25.2M → Finish16161-145#4088#4233
TOTALS10671821-754
📊

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