Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Lok Him Tang

Bib: 10657MAge: 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
24:30
3.11 mi
Rank: #16082
Start5K
24:30 | 7:54/mi
10K
49:02
6.21 mi
Rank: #16228 (-146)
5K10K
24:32 | 7:54/mi
15K
1:13:53
9.32 mi
Rank: #16495 (-267)
10K15K
24:51 | 8:00/mi
20K
1:38:08
12.43 mi
Rank: #15972 (+523)
15K20K
24:15 | 7:49/mi
HALF
1:43:21
13.11 mi
Rank: #15883 (+89)
20KHALF
5:13 | 7:40/mi
25K
2:02:36
15.53 mi
Rank: #15712 (+171)
HALF25K
19:15 | 7:57/mi
30K
2:28:33
18.64 mi
Rank: #15742 (-30)
25K30K
25:57 | 8:22/mi
20M
2:40:43
20.00 mi
Rank: #16028 (-286)
30K20M
12:10 | 8:58/mi
21M
2:50:01
21.00 mi
Rank: #16084 (-56)
20M21M
9:18 | 9:18/mi
35K
2:56:11
21.75 mi
Rank: #16047 (+37)
21M35K
6:10 | 8:15/mi
23M
3:07:03
23.00 mi
Rank: #16071 (-24)
35K23M
10:52 | 8:41/mi
24M
3:15:50
24.00 mi
Rank: #16176 (-105)
23M24M
8:47 | 8:47/mi
40K
3:24:11
24.85 mi
Rank: #16439 (-263)
24M40K
8:21 | 9:46/mi
25.2M
3:27:48
25.20 mi
Rank: #16543 (-104)
40K25.2M
3:37 | 10:30/mi
FINISH
3:36:40
26.22 mi
Rank: #16651 (-108)
25.2MFINISH
8:52 | 8:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:21
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:53:19
Pace8:39 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:42:1424:307:5424:30
7:54
-
10K
6.21 mi11:06:4649:027:5424:32
7:54
0:00
15K
9.32 mi11:31:371:13:537:5624:51
8:00
+0:06
20K
12.43 mi11:55:521:38:087:5424:15
7:49
-0:11
HALF
13.11 mi12:01:051:43:217:545:13
7:40
-0:09
25K
15.53 mi12:20:202:02:367:5419:15
7:57
+0:17
30K
18.64 mi12:46:172:28:337:5925:57
8:22
+0:25
20M
20.00 mi12:58:272:40:438:0312:10
8:58
+0:36
21M
21.00 mi13:07:452:50:018:069:18
9:18
+0:20
35K
21.75 mi13:13:552:56:118:076:10
8:15
-1:03
23M
23.00 mi13:24:473:07:038:0810:52
8:41
+0:26
24M
24.00 mi13:33:343:15:508:108:47
8:47
+0:06
40K
24.85 mi13:41:553:24:118:138:21
9:46
+0:59
25.2M
25.20 mi13:45:323:27:488:153:37
10:30
+0:44
FINISH
26.22 mi13:54:243:36:408:178:52
8:43
-1:47

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

7:40 /mi

Average Pace

8:16 /mi

Slowest Pace

10:30 /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

1:37:45

45% of race

Time at Steady Pace

1:16:42

35% of race

Time at Slower Pace

42:13

19% of race

Average Pace: 8:16 /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 mi10:42:1424:307:5424:30
7:54
#16082
10K
6.21 mi11:06:4649:027:5424:32
7:54
#16228
15K
9.32 mi11:31:371:13:537:5624:51
8:00
#16495
20K
12.43 mi11:55:521:38:087:5424:15
7:49
#15972
HALF
13.11 mi12:01:051:43:217:545:13
7:40
#15883
25K
15.53 mi12:20:202:02:367:5419:15
7:57
#15712
30K
18.64 mi12:46:172:28:337:5925:57
8:22
#15742
20M
20.00 mi12:58:272:40:438:0312:10
8:58
#16028
21M
21.00 mi13:07:452:50:018:069:18
9:18
#16084
35K
21.75 mi13:13:552:56:118:076:10
8:15
#16047
23M
23.00 mi13:24:473:07:038:0810:52
8:41
#16071
24M
24.00 mi13:33:343:15:508:108:47
8:47
#16176
40K
24.85 mi13:41:553:24:118:138:21
9:46
#16439
25.2M
25.20 mi13:45:323:27:488:153:37
10:30
#16543
FINISH
26.22 mi13:54:243:36:408:178:52
8:43
#16651
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 mi16082106461064616996(Top 59%)11013(Top 67%)11013(Top 456%)
10K6.21 mi3.10 mi16228-14610686-4010686-4016425(Top 57%)10783(Top 66%)10783(Top 447%)
15K9.32 mi3.11 mi16495-26710793-10710793-10716996(Top 59%)11013(Top 67%)11013(Top 456%)
20K12.43 mi3.11 mi15972+52310568+22510568+22514561(Top 50%)9968(Top 61%)9968(Top 413%)
HALF13.11 mi0.68 mi15883+8910530+3810530+3814307(Top 49%)9937(Top 61%)9937(Top 412%)
25K15.53 mi2.42 mi15712+17110448+8210448+8214900(Top 51%)10026(Top 61%)10026(Top 415%)
30K18.64 mi3.11 mi15742-3010429+1910429+1915957(Top 55%)10405(Top 64%)10405(Top 431%)
20M20.00 mi1.36 mi16028-28610523-9410523-9418722(Top 65%)11500(Top 70%)11500(Top 477%)
21M21.00 mi1.00 mi16084-5610520+310520+317589(Top 61%)10957(Top 67%)10957(Top 454%)
35K21.75 mi0.75 mi16047+3710496+2410496+2416069(Top 55%)10224(Top 63%)10224(Top 424%)
23M23.00 mi1.25 mi16071-2410478+1810478+1816789(Top 58%)10418(Top 64%)10418(Top 432%)
24M24.00 mi1.00 mi16176-10510514-3610514-3618416(Top 63%)11146(Top 68%)11146(Top 462%)
40K24.85 mi0.85 mi16439-26310605-9110605-9121223(Top 73%)12438(Top 76%)12438(Top 515%)
25.2M25.20 mi0.35 mi16543-10410643-3810643-3820958(Top 72%)12322(Top 75%)12322(Top 511%)
FINISH26.22 mi1.02 mi16651-10810675-3210675-3219136(Top 66%)11430(Top 70%)11430(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

16996

Males

11013

M45-49

11013

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16425

Males

10783

M45-49

10783

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

16996

Males

11013

M45-49

11013

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14561

Males

9968

M45-49

9968

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14307

Males

9937

M45-49

9937

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14900

Males

10026

M45-49

10026

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15957

Males

10405

M45-49

10405

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18722

Males

11500

M45-49

11500

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17589

Males

10957

M45-49

10957

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

16069

Males

10224

M45-49

10224

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16789

Males

10418

M45-49

10418

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18416

Males

11146

M45-49

11146

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21223

Males

12438

M45-49

12438

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20958

Males

12322

M45-49

12322

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19136

Males

11430

M45-49

11430

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1755*
Passed By
1774
Net Change
-569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16082
5K10K197200-146#16082#16228
10K15K111200-267#16228#16495
15K20K548*25+523#16495#15972
20KHALF989+89#15972#15883
HALF25K217*46+171#15883#15712
25K30K200200-30#15712#15742
30K20M23200-286#15742#16028
20M21M80136-56#16028#16084
21M35K7740+37#16084#16047
35K23M94118-24#16047#16071
23M24M35140-105#16071#16176
24M40K27200-263#16176#16439
40K25.2M12116-104#16439#16543
25.2MFINISH36144-108#16543#16651
TOTALS1755*1774-569

* 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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