Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Seth Chang

Bib: 16632 β€’X β€’Age: N/A

CT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 45%
Gender (Other)
#0 / 103
Top 46%
Age Group
Not available
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:12
3.11 mi
Rank: #15350
Start β†’ 5K
24:12 | 7:48/mi
10K
48:58
6.21 mi
Rank: #16147 (-797)
5K β†’ 10K
24:46 | 7:59/mi
15K
1:13:37
9.32 mi
Rank: #16253 (-106)
10K β†’ 15K
24:39 | 7:57/mi
20K
1:38:26
12.43 mi
Rank: #16189 (+64)
15K β†’ 20K
24:49 | 8:00/mi
HALF
1:43:53
13.11 mi
Rank: #16241 (-52)
20K β†’ HALF
5:27 | 8:00/mi
25K
2:03:15
15.53 mi
Rank: #16055 (+186)
HALF β†’ 25K
19:22 | 8:00/mi
30K
2:28:04
18.64 mi
Rank: #15547 (+508)
25K β†’ 30K
24:49 | 8:00/mi
20M
2:38:52
20.00 mi
Rank: #15297 (+250)
30K β†’ 20M
10:48 | 7:58/mi
21M
2:46:54
21.00 mi
Rank: #14933 (+364)
20M β†’ 21M
8:02 | 8:02/mi
35K
2:52:21
21.75 mi
Rank: #14714 (+219)
21M β†’ 35K
5:27 | 7:18/mi
23M
3:02:02
23.00 mi
Rank: #14422 (+292)
35K β†’ 23M
9:41 | 7:45/mi
24M
3:09:25
24.00 mi
Rank: #14183 (+239)
23M β†’ 24M
7:23 | 7:23/mi
40K
3:15:30
24.85 mi
Rank: #13867 (+316)
24M β†’ 40K
6:05 | 7:07/mi
25.2M
3:18:00
25.20 mi
Rank: #13693 (+174)
40K β†’ 25.2M
2:30 | 7:15/mi
FINISH
3:24:17
26.22 mi
Rank: #13161 (+532)
25.2M β†’ FINISH
6:17 | 6:10/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:43:53
Pace7:56 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
πŸ“ŠNegative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3624:127:4824:12
7:48
-
10K
6.21 mi11:30:2248:587:5324:46
7:59
+0:11
15K
9.32 mi11:55:011:13:377:5424:39
7:57
-0:02
20K
12.43 mi12:19:501:38:267:5624:49
8:00
+0:03
HALF
13.11 mi12:25:171:43:537:565:27
8:00
0:00
25K
15.53 mi12:44:392:03:157:5719:22
8:00
0:00
30K
18.64 mi13:09:282:28:047:5724:49
8:00
0:00
20M
20.00 mi13:20:162:38:527:5710:48
7:58
-0:02
21M
21.00 mi13:28:182:46:547:578:02
8:02
+0:04
35K
21.75 mi13:33:452:52:217:565:27
7:18
-0:44
23M
23.00 mi13:43:263:02:027:559:41
7:45
+0:27
24M
24.00 mi13:50:493:09:257:547:23
7:23
-0:22
40K
24.85 mi13:56:543:15:307:526:05
7:07
-0:16
25.2M
25.20 mi13:59:243:18:007:522:30
7:15
+0:08
FINISH
26.22 mi14:05:413:24:177:486:17
6:10
-1:05

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:10 /mi

Average Pace

7:48 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

27:42

14% of race

Time at Steady Pace

2:56:35

86% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:05:3624:127:4824:12
7:48
#15350
10K
6.21 mi11:30:2248:587:5324:46
7:59
#16147
15K
9.32 mi11:55:011:13:377:5424:39
7:57
#16253
20K
12.43 mi12:19:501:38:267:5624:49
8:00
#16189
HALF
13.11 mi12:25:171:43:537:565:27
8:00
#16241
25K
15.53 mi12:44:392:03:157:5719:22
8:00
#16055
30K
18.64 mi13:09:282:28:047:5724:49
8:00
#15547
20M
20.00 mi13:20:162:38:527:5710:48
7:58
#15297
21M
21.00 mi13:28:182:46:547:578:02
8:02
#14933
35K
21.75 mi13:33:452:52:217:565:27
7:18
#14714
23M
23.00 mi13:43:263:02:027:559:41
7:45
#14422
24M
24.00 mi13:50:493:09:257:547:23
7:23
#14183
40K
24.85 mi13:56:543:15:307:526:05
7:07
#13867
25.2M
25.20 mi13:59:243:18:007:522:30
7:15
#13693
FINISH
26.22 mi14:05:413:24:177:486:17
6:10
#13161
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi15350636316500(Top 57%)71(Top 69%)71
10K6.21 mi3.10 mi16147-79768-568-517044(Top 59%)73(Top 71%)73
15K9.32 mi3.11 mi16253-10670-270-216500(Top 57%)71(Top 69%)71
20K12.43 mi3.11 mi16189+64707016052(Top 55%)69(Top 67%)69
HALF13.11 mi0.68 mi16241-52707017173(Top 59%)72(Top 70%)72
25K15.53 mi2.42 mi16055+18669+169+115314(Top 53%)62(Top 60%)62
30K18.64 mi3.11 mi15547+50865+465+413425(Top 46%)47(Top 46%)47
20M20.00 mi1.36 mi15297+250656512524(Top 43%)43(Top 42%)43
21M21.00 mi1.00 mi14933+36460+560+510169(Top 35%)33(Top 32%)33
35K21.75 mi0.75 mi14714+21958+258+29285(Top 32%)31(Top 30%)31
23M23.00 mi1.25 mi14422+29254+454+410609(Top 37%)34(Top 33%)34
24M24.00 mi1.00 mi14183+23951+351+39279(Top 32%)33(Top 32%)33
40K24.85 mi0.85 mi13867+31650+150+16279(Top 22%)22(Top 21%)22
25.2M25.20 mi0.35 mi13693+17449+149+13955(Top 14%)10(Top 10%)10
FINISH26.22 mi1.02 mi13161+53245+445+42383(Top 8%)7(Top 7%)7

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
Γ—21
+97ft-345ft

Overall

16500

X

71

Age Div

71

5K→10K

3.1 - 6.2 mi

Top 59%
Γ—5
+79ft-138ft

Overall

17044

X

73

Age Div

73

10K→15K

6.2 - 9.3 mi

Top 57%
Γ—3
+67ft-78ft

Overall

16500

X

71

Age Div

71

15K→20K

9.3 - 12.4 mi

Top 55%
Γ—5
+106ft-86ft

Overall

16052

X

69

Age Div

69

20K→HALF

12.4 - 13.1 mi

Top 59%
Γ—2
+19ft-37ft

Overall

17173

X

72

Age Div

72

HALF→25K

13.1 - 15.5 mi

Top 53%
Γ—4
+66ft-88ft

Overall

15314

X

62

Age Div

62

25K→30K

15.5 - 18.6 mi

Top 46%
Γ—9
+181ft-148ft

Overall

13425

X

47

Age Div

47

30K→20M

18.6 - 20.0 mi

Top 43%
Γ—5
+64ft-50ft

Overall

12524

X

43

Age Div

43

20M→21M

20.0 - 21.0 mi

Top 35%
Γ—8
+106ft-24ft

Overall

10169

X

33

Age Div

33

21M→35K

21.0 - 21.8 mi

Top 32%
Γ—7
+17ft-86ft

Overall

9285

X

31

Age Div

31

35K→23M

21.8 - 23.0 mi

Top 37%
Γ—5
+23ft-63ft

Overall

10609

X

34

Age Div

34

23M→24M

23.0 - 24.0 mi

Top 32%
Γ—6
+12ft-82ft

Overall

9279

X

33

Age Div

33

24M→40K

24.0 - 24.9 mi

Top 22%
Γ—1
+6ft-20ft

Overall

6279

X

22

Age Div

22

40K→25.2M

24.9 - 25.2 mi

Top 14%
Γ—1
+13ft-16ft

Overall

3955

X

10

Age Div

10

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
Γ—2
+22ft-21ft

Overall

2383

X

7

Age Div

7

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3622*
Passed By
700
Net Change
+2189
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#15350
5K β†’ 10K75200-797#15350#16147
10K β†’ 15K155200-106#16147#16253
15K β†’ 20K209*145+64#16253#16189
20K β†’ HALF1769-52#16189#16241
HALF β†’ 25K244*58+186#16241#16055
25K β†’ 30K525*17+508#16055#15547
30K β†’ 20M254*4+250#15547#15297
20M β†’ 21M365*1+364#15297#14933
21M β†’ 35K219*0+219#14933#14714
35K β†’ 23M296*4+292#14714#14422
23M β†’ 24M241*2+239#14422#14183
24M β†’ 40K316*0+316#14183#13867
40K β†’ 25.2M1740+174#13867#13693
25.2M β†’ FINISH532*0+532#13693#13161
TOTALS3622*700+2189

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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