Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Johan Gibcus

Bib: 9536MAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 47%
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°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
23:16
3.11 mi
Rank: #12670
Start5K
23:16 | 7:30/mi
10K
47:31
6.21 mi
Rank: #14138 (-1468)
5K10K
24:15 | 7:49/mi
15K
1:12:07
9.32 mi
Rank: #14858 (-720)
10K15K
24:36 | 7:56/mi
20K
1:36:28
12.43 mi
Rank: #14841 (+17)
15K20K
24:21 | 7:51/mi
HALF
1:41:31
13.11 mi
Rank: #14693 (+148)
20KHALF
5:03 | 7:25/mi
25K
2:00:31
15.53 mi
Rank: #14571 (+122)
HALF25K
19:00 | 7:51/mi
30K
2:25:12
18.64 mi
Rank: #14266 (+305)
25K30K
24:41 | 7:57/mi
20M
2:36:00
20.00 mi
Rank: #14104 (+162)
30K20M
10:48 | 7:58/mi
21M
2:44:11
21.00 mi
Rank: #13886 (+218)
20M21M
8:11 | 8:11/mi
35K
2:49:52
21.75 mi
Rank: #13783 (+103)
21M35K
5:41 | 7:36/mi
23M
2:59:40
23.00 mi
Rank: #13604 (+179)
35K23M
9:48 | 7:50/mi
24M
3:07:16
24.00 mi
Rank: #13453 (+151)
23M24M
7:36 | 7:36/mi
40K
3:13:46
24.85 mi
Rank: #13286 (+167)
24M40K
6:30 | 7:37/mi
25.2M
3:16:32
25.20 mi
Rank: #13205 (+81)
40K25.2M
2:46 | 8:02/mi
FINISH
3:23:52
26.22 mi
Rank: #13024 (+181)
25.2MFINISH
7:20 | 7:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:41:31
Pace7:45 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:42:21
Pace7:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:4023:167:3023:16
7:30
-
10K
6.21 mi11:03:5547:317:3924:15
7:49
+0:19
15K
9.32 mi11:28:311:12:077:4524:36
7:56
+0:07
20K
12.43 mi11:52:521:36:287:4624:21
7:51
-0:05
HALF
13.11 mi11:57:551:41:317:455:03
7:25
-0:26
25K
15.53 mi12:16:552:00:317:4619:00
7:51
+0:26
30K
18.64 mi12:41:362:25:127:4824:41
7:57
+0:06
20M
20.00 mi12:52:242:36:007:4910:48
7:58
+0:01
21M
21.00 mi13:00:352:44:117:508:11
8:11
+0:13
35K
21.75 mi13:06:162:49:527:495:41
7:36
-0:35
23M
23.00 mi13:16:042:59:407:499:48
7:50
+0:14
24M
24.00 mi13:23:403:07:167:497:36
7:36
-0:14
40K
24.85 mi13:30:103:13:467:486:30
7:37
+0:01
25.2M
25.20 mi13:32:563:16:327:482:46
8:02
+0:25
FINISH
26.22 mi13:40:163:23:527:477:20
7:12
-0:50

Checkpoint Splits Visualizations

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

📈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

7:12 /mi

Average Pace

7:47 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:12:50

65% of race

Time at Steady Pace

1:11:02

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:39:4023:167:3023:16
7:30
#12670
10K
6.21 mi11:03:5547:317:3924:15
7:49
#14138
15K
9.32 mi11:28:311:12:077:4524:36
7:56
#14858
20K
12.43 mi11:52:521:36:287:4624:21
7:51
#14841
HALF
13.11 mi11:57:551:41:317:455:03
7:25
#14693
25K
15.53 mi12:16:552:00:317:4619:00
7:51
#14571
30K
18.64 mi12:41:362:25:127:4824:41
7:57
#14266
20M
20.00 mi12:52:242:36:007:4910:48
7:58
#14104
21M
21.00 mi13:00:352:44:117:508:11
8:11
#13886
35K
21.75 mi13:06:162:49:527:495:41
7:36
#13783
23M
23.00 mi13:16:042:59:407:499:48
7:50
#13604
24M
24.00 mi13:23:403:07:167:497:36
7:36
#13453
40K
24.85 mi13:30:103:13:467:486:30
7:37
#13286
25.2M
25.20 mi13:32:563:16:327:482:46
8:02
#13205
FINISH
26.22 mi13:40:163:23:527:477:20
7:12
#13024
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi126709321932116345(Top 56%)10735(Top 66%)10735(Top 445%)
10K6.21 mi3.10 mi14138-14689902-5819902-58115670(Top 54%)10477(Top 64%)10477(Top 434%)
15K9.32 mi3.11 mi14858-72010151-24910151-24916345(Top 56%)10735(Top 66%)10735(Top 445%)
20K12.43 mi3.11 mi14841+1710131+2010131+2014815(Top 51%)10062(Top 62%)10062(Top 417%)
HALF13.11 mi0.68 mi14693+14810084+4710084+4712152(Top 42%)9007(Top 55%)9007(Top 373%)
25K15.53 mi2.42 mi14571+12210015+6910015+6914093(Top 49%)9690(Top 59%)9690(Top 402%)
30K18.64 mi3.11 mi14266+3059846+1699846+16913067(Top 45%)9145(Top 56%)9145(Top 379%)
20M20.00 mi1.36 mi14104+1629758+889758+8812459(Top 43%)8774(Top 54%)8774(Top 364%)
21M21.00 mi1.00 mi13886+2189645+1139645+11311087(Top 38%)8025(Top 49%)8025(Top 333%)
35K21.75 mi0.75 mi13783+1039582+639582+6311541(Top 40%)8226(Top 50%)8226(Top 341%)
23M23.00 mi1.25 mi13604+1799471+1119471+11111235(Top 39%)7971(Top 49%)7971(Top 330%)
24M24.00 mi1.00 mi13453+1519388+839388+8310847(Top 37%)7732(Top 47%)7732(Top 320%)
40K24.85 mi0.85 mi13286+1679301+879301+879589(Top 33%)7011(Top 43%)7011(Top 291%)
25.2M25.20 mi0.35 mi13205+819262+399262+398487(Top 29%)6383(Top 39%)6383(Top 265%)
FINISH26.22 mi1.02 mi13024+1819150+1129150+1129100(Top 31%)6648(Top 41%)6648(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16345

Males

10735

M45-49

10735

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15670

Males

10477

M45-49

10477

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16345

Males

10735

M45-49

10735

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14815

Males

10062

M45-49

10062

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12152

Males

9007

M45-49

9007

HALF→25K

13.1 - 15.5 mi

Top 49%
×4
+66ft-88ft

Overall

14093

Males

9690

M45-49

9690

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

13067

Males

9145

M45-49

9145

30K→20M

18.6 - 20.0 mi

Top 43%
×5
+64ft-50ft

Overall

12459

Males

8774

M45-49

8774

20M→21M

20.0 - 21.0 mi

Top 38%
×8
+106ft-24ft

Overall

11087

Males

8025

M45-49

8025

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11541

Males

8226

M45-49

8226

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11235

Males

7971

M45-49

7971

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10847

Males

7732

M45-49

7732

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9589

Males

7011

M45-49

7011

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1
+13ft-16ft

Overall

8487

Males

6383

M45-49

6383

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
×2
+22ft-21ft

Overall

9100

Males

6648

M45-49

6648

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2311*
Passed By
795
Net Change
-354
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12670
5K10K26200-1468#12670#14138
10K15K56200-720#14138#14858
15K20K192175+17#14858#14841
20KHALF1502+148#14841#14693
HALF25K19876+122#14693#14571
25K30K363*58+305#14571#14266
30K20M17917+162#14266#14104
20M21M230*12+218#14104#13886
21M35K11310+103#13886#13783
35K23M19819+179#13783#13604
23M24M1587+151#13604#13453
24M40K1725+167#13453#13286
40K25.2M854+81#13286#13205
25.2MFINISH19110+181#13205#13024
TOTALS2311*795-354

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

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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