Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Yat Hoo Liu

Bib: 10303MAge: 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
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  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
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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
22:48
3.11 mi
Rank: #11370
Start5K
22:48 | 7:21/mi
10K
45:45
6.21 mi
Rank: #11636 (-266)
5K10K
22:57 | 7:24/mi
15K
1:09:19
9.32 mi
Rank: #12248 (-612)
10K15K
23:34 | 7:36/mi
20K
1:33:30
12.43 mi
Rank: #12799 (-551)
15K20K
24:11 | 7:48/mi
HALF
1:38:35
13.11 mi
Rank: #12797 (+2)
20KHALF
5:05 | 7:28/mi
25K
1:57:43
15.53 mi
Rank: #13076 (-279)
HALF25K
19:08 | 7:54/mi
30K
2:23:51
18.64 mi
Rank: #13654 (-578)
25K30K
26:08 | 8:25/mi
20M
2:35:46
20.00 mi
Rank: #13997 (-343)
30K20M
11:55 | 8:47/mi
21M
2:45:02
21.00 mi
Rank: #14222 (-225)
20M21M
9:16 | 9:16/mi
35K
2:51:00
21.75 mi
Rank: #14211 (+11)
21M35K
5:58 | 7:59/mi
23M
3:01:26
23.00 mi
Rank: #14210 (+1)
35K23M
10:26 | 8:21/mi
24M
3:09:41
24.00 mi
Rank: #14271 (-61)
23M24M
8:15 | 8:15/mi
40K
3:16:48
24.85 mi
Rank: #14282 (-11)
24M40K
7:07 | 8:20/mi
25.2M
3:20:06
25.20 mi
Rank: #14365 (-83)
40K25.2M
3:18 | 9:35/mi
FINISH
3:28:35
26.22 mi
Rank: #14512 (-147)
25.2MFINISH
8:29 | 8:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:35
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:50:00
Pace8:24 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:3022:487:2122:48
7:21
-
10K
6.21 mi11:02:2745:457:2222:57
7:24
+0:03
15K
9.32 mi11:26:011:09:197:2723:34
7:36
+0:12
20K
12.43 mi11:50:121:33:307:3224:11
7:48
+0:12
HALF
13.11 mi11:55:171:38:357:325:05
7:28
-0:20
25K
15.53 mi12:14:251:57:437:3519:08
7:54
+0:26
30K
18.64 mi12:40:332:23:517:4426:08
8:25
+0:31
20M
20.00 mi12:52:282:35:467:4811:55
8:47
+0:22
21M
21.00 mi13:01:442:45:027:529:16
9:16
+0:29
35K
21.75 mi13:07:422:51:007:525:58
7:59
-1:17
23M
23.00 mi13:18:083:01:267:5410:26
8:21
+0:22
24M
24.00 mi13:26:233:09:417:558:15
8:15
-0:06
40K
24.85 mi13:33:303:16:487:567:07
8:20
+0:05
25.2M
25.20 mi13:36:483:20:067:573:18
9:35
+1:15
FINISH
26.22 mi13:45:173:28:357:588:29
8:20
-1:15

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

7:21 /mi

Average Pace

7:58 /mi

Slowest Pace

9:35 /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

1:57:43

56% of race

Time at Steady Pace

1:06:23

32% of race

Time at Slower Pace

24:29

12% of race

Average Pace: 7:57 /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 mi10:39:3022:487:2122:48
7:21
#11370
10K
6.21 mi11:02:2745:457:2222:57
7:24
#11636
15K
9.32 mi11:26:011:09:197:2723:34
7:36
#12248
20K
12.43 mi11:50:121:33:307:3224:11
7:48
#12799
HALF
13.11 mi11:55:171:38:357:325:05
7:28
#12797
25K
15.53 mi12:14:251:57:437:3519:08
7:54
#13076
30K
18.64 mi12:40:332:23:517:4426:08
8:25
#13654
20M
20.00 mi12:52:282:35:467:4811:55
8:47
#13997
21M
21.00 mi13:01:442:45:027:529:16
9:16
#14222
35K
21.75 mi13:07:422:51:007:525:58
7:59
#14211
23M
23.00 mi13:18:083:01:267:5410:26
8:21
#14210
24M
24.00 mi13:26:233:09:417:558:15
8:15
#14271
40K
24.85 mi13:33:303:16:487:567:07
8:20
#14282
25.2M
25.20 mi13:36:483:20:067:573:18
9:35
#14365
FINISH
26.22 mi13:45:173:28:357:588:29
8:20
#14512
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 mi113708766876613535(Top 47%)9602(Top 59%)9602(Top 398%)
10K6.21 mi3.10 mi11636-2668856-908856-9011955(Top 41%)8975(Top 55%)8975(Top 372%)
15K9.32 mi3.11 mi12248-6129097-2419097-24113535(Top 47%)9602(Top 59%)9602(Top 398%)
20K12.43 mi3.11 mi12799-5519301-2049301-20414375(Top 50%)9892(Top 61%)9892(Top 410%)
HALF13.11 mi0.68 mi12797+29298+39298+312620(Top 43%)9214(Top 56%)9214(Top 382%)
25K15.53 mi2.42 mi13076-2799379-819379-8114507(Top 50%)9875(Top 60%)9875(Top 409%)
30K18.64 mi3.11 mi13654-5789601-2229601-22216318(Top 56%)10554(Top 65%)10554(Top 437%)
20M20.00 mi1.36 mi13997-3439713-1129713-11217793(Top 61%)11082(Top 68%)11082(Top 459%)
21M21.00 mi1.00 mi14222-2259792-799792-7917459(Top 60%)10892(Top 67%)10892(Top 451%)
35K21.75 mi0.75 mi14211+119768+249768+2414285(Top 49%)9451(Top 58%)9451(Top 392%)
23M23.00 mi1.25 mi14210+19735+339735+3314686(Top 51%)9526(Top 58%)9526(Top 395%)
24M24.00 mi1.00 mi14271-619737-29737-215360(Top 53%)9769(Top 60%)9769(Top 405%)
40K24.85 mi0.85 mi14282-119717+209717+2014579(Top 50%)9327(Top 57%)9327(Top 387%)
25.2M25.20 mi0.35 mi14365-839735-189735-1817547(Top 60%)10668(Top 65%)10668(Top 442%)
FINISH26.22 mi1.02 mi14512-1479786-519786-5117169(Top 59%)10495(Top 64%)10495(Top 435%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13535

Males

9602

M45-49

9602

5K→10K

3.1 - 6.2 mi

Top 41%
×5
+79ft-138ft

Overall

11955

Males

8975

M45-49

8975

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13535

Males

9602

M45-49

9602

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14375

Males

9892

M45-49

9892

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12620

Males

9214

M45-49

9214

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14507

Males

9875

M45-49

9875

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16318

Males

10554

M45-49

10554

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17793

Males

11082

M45-49

11082

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17459

Males

10892

M45-49

10892

21M→35K

21.0 - 21.8 mi

Top 49%
×7
+17ft-86ft

Overall

14285

Males

9451

M45-49

9451

35K→23M

21.8 - 23.0 mi

Top 51%
×5
+23ft-63ft

Overall

14686

Males

9526

M45-49

9526

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15360

Males

9769

M45-49

9769

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14579

Males

9327

M45-49

9327

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17547

Males

10668

M45-49

10668

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17169

Males

10495

M45-49

10495

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
820
Passed By
2039
Net Change
-3142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11370
5K10K149200-266#11370#11636
10K15K48200-612#11636#12248
15K20K47200-551#12248#12799
20KHALF3634+2#12799#12797
HALF25K66200-279#12797#13076
25K30K66200-578#13076#13654
30K20M45200-343#13654#13997
20M21M48200-225#13997#14222
21M35K5847+11#14222#14211
35K23M9998+1#14211#14210
23M24M56117-61#14210#14271
24M40K6475-11#14271#14282
40K25.2M1396-83#14282#14365
25.2MFINISH25172-147#14365#14512
TOTALS8202039-3142
📊

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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Activity Data

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Export & Support

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