Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Wai Yip Law

Bib: 8274MAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
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
22:57
3.11 mi
Rank: #11825
Start5K
22:57 | 7:24/mi
10K
46:04
6.21 mi
Rank: #12090 (-265)
5K10K
23:07 | 7:27/mi
15K
1:09:51
9.32 mi
Rank: #12760 (-670)
10K15K
23:47 | 7:40/mi
20K
1:34:34
12.43 mi
Rank: #13511 (-751)
15K20K
24:43 | 7:58/mi
HALF
1:39:53
13.11 mi
Rank: #13611 (-100)
20KHALF
5:19 | 7:48/mi
25K
1:59:38
15.53 mi
Rank: #14067 (-456)
HALF25K
19:45 | 8:09/mi
30K
2:26:27
18.64 mi
Rank: #14818 (-751)
25K30K
26:49 | 8:38/mi
20M
2:38:50
20.00 mi
Rank: #15271 (-453)
30K20M
12:23 | 9:08/mi
21M
2:50:15
21.00 mi
Rank: #16164 (-893)
20M21M
11:25 | 11:25/mi
35K
2:56:59
21.75 mi
Rank: #16301 (-137)
21M35K
6:44 | 9:01/mi
23M
3:10:31
23.00 mi
Rank: #17095 (-794)
35K23M
13:32 | 10:49/mi
24M
3:20:22
24.00 mi
Rank: #17426 (-331)
23M24M
9:51 | 9:51/mi
40K
3:28:30
24.85 mi
Rank: #17554 (-128)
24M40K
8:08 | 9:31/mi
25.2M
3:33:04
25.20 mi
Rank: #17880 (-326)
40K25.2M
4:34 | 13:15/mi
FINISH
3:43:22
26.22 mi
Rank: #18269 (-389)
25.2MFINISH
10:18 | 10:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:39:53
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time2:03:29
Pace9:26 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:2222:577:2422:57
7:24
-
10K
6.21 mi11:01:2946:047:2523:07
7:27
+0:03
15K
9.32 mi11:25:161:09:517:3023:47
7:40
+0:13
20K
12.43 mi11:49:591:34:347:3724:43
7:58
+0:18
HALF
13.11 mi11:55:181:39:537:385:19
7:48
-0:10
25K
15.53 mi12:15:031:59:387:4319:45
8:09
+0:21
30K
18.64 mi12:41:522:26:277:5226:49
8:38
+0:29
20M
20.00 mi12:54:152:38:507:5712:23
9:08
+0:30
21M
21.00 mi13:05:402:50:158:0711:25
11:25
+2:17
35K
21.75 mi13:12:242:56:598:096:44
9:01
-2:24
23M
23.00 mi13:25:563:10:318:1813:32
10:49
+1:48
24M
24.00 mi13:35:473:20:228:219:51
9:51
-0:58
40K
24.85 mi13:43:553:28:308:248:08
9:31
-0:20
25.2M
25.20 mi13:48:293:33:048:284:34
13:15
+3:44
FINISH
26.22 mi13:58:473:43:228:3210:18
10:07
-3:08

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

7:24 /mi

Average Pace

8:32 /mi

Slowest Pace

13:15 /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

1:59:38

54% of race

Time at Steady Pace

54:04

24% of race

Time at Slower Pace

49:40

22% of race

Average Pace: 8:31 /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 mi10:38:2222:577:2422:57
7:24
#11825
10K
6.21 mi11:01:2946:047:2523:07
7:27
#12090
15K
9.32 mi11:25:161:09:517:3023:47
7:40
#12760
20K
12.43 mi11:49:591:34:347:3724:43
7:58
#13511
HALF
13.11 mi11:55:181:39:537:385:19
7:48
#13611
25K
15.53 mi12:15:031:59:387:4319:45
8:09
#14067
30K
18.64 mi12:41:522:26:277:5226:49
8:38
#14818
20M
20.00 mi12:54:152:38:507:5712:23
9:08
#15271
21M
21.00 mi13:05:402:50:158:0711:25
11:25
#16164
35K
21.75 mi13:12:242:56:598:096:44
9:01
#16301
23M
23.00 mi13:25:563:10:318:1813:32
10:49
#17095
24M
24.00 mi13:35:473:20:228:219:51
9:51
#17426
40K
24.85 mi13:43:553:28:308:248:08
9:31
#17554
25.2M
25.20 mi13:48:293:33:048:284:34
13:15
#17880
FINISH
26.22 mi13:58:473:43:228:3210:18
10:07
#18269
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 mi118258969896914147(Top 49%)9869(Top 60%)9869(Top 409%)
10K6.21 mi3.10 mi12090-2659050-819050-8112431(Top 43%)9168(Top 56%)9168(Top 380%)
15K9.32 mi3.11 mi12760-6709316-2669316-26614147(Top 49%)9869(Top 60%)9869(Top 409%)
20K12.43 mi3.11 mi13511-7519596-2809596-28015784(Top 54%)10461(Top 64%)10461(Top 434%)
HALF13.11 mi0.68 mi13611-1009641-459641-4515524(Top 53%)10427(Top 64%)10427(Top 432%)
25K15.53 mi2.42 mi14067-4569813-1729813-17216423(Top 57%)10695(Top 65%)10695(Top 443%)
30K18.64 mi3.11 mi14818-75110076-26310076-26317636(Top 61%)11096(Top 68%)11096(Top 460%)
20M20.00 mi1.36 mi15271-45310223-14710223-14719476(Top 67%)11869(Top 73%)11869(Top 492%)
21M21.00 mi1.00 mi16164-89310557-33410557-33423992(Top 83%)13926(Top 85%)13926(Top 577%)
35K21.75 mi0.75 mi16301-13710607-5010607-5020004(Top 69%)11985(Top 73%)11985(Top 497%)
23M23.00 mi1.25 mi17095-79410931-32410931-32424085(Top 83%)13891(Top 85%)13891(Top 576%)
24M24.00 mi1.00 mi17426-33111045-11411045-11422367(Top 77%)13060(Top 80%)13060(Top 541%)
40K24.85 mi0.85 mi17554-12811086-4111086-4120423(Top 70%)12056(Top 74%)12056(Top 500%)
25.2M25.20 mi0.35 mi17880-32611207-12111207-12126348(Top 91%)14951(Top 91%)14951(Top 620%)
FINISH26.22 mi1.02 mi18269-38911374-16711374-16724113(Top 83%)13846(Top 85%)13846(Top 574%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14147

Males

9869

M45-49

9869

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12431

Males

9168

M45-49

9168

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14147

Males

9869

M45-49

9869

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15784

Males

10461

M45-49

10461

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15524

Males

10427

M45-49

10427

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16423

Males

10695

M45-49

10695

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17636

Males

11096

M45-49

11096

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19476

Males

11869

M45-49

11869

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

23992

Males

13926

M45-49

13926

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20004

Males

11985

M45-49

11985

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

24085

Males

13891

M45-49

13891

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22367

Males

13060

M45-49

13060

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20423

Males

12056

M45-49

12056

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1
+13ft-16ft

Overall

26348

Males

14951

M45-49

14951

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

24113

Males

13846

M45-49

13846

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
472
Passed By
2639
Net Change
-6444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11825
5K10K156200-265#11825#12090
10K15K50200-670#12090#12760
15K20K29200-751#12760#13511
20KHALF10110-100#13511#13611
HALF25K43200-456#13611#14067
25K30K50200-751#14067#14818
30K20M24200-453#14818#15271
20M21M10200-893#15271#16164
21M35K31168-137#16164#16301
35K23M8200-794#16301#17095
23M24M14200-331#17095#17426
24M40K33161-128#17426#17554
40K25.2M2200-326#17554#17880
25.2MFINISH12200-389#17880#18269
TOTALS4722639-6444
📊

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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