Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Lam Thai

Bib: 7755 β€’M β€’Age: N/A

BC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Masters (Masters Men)
#0 / 10617
Top 11%
Age Group (M40-44)
#0 / 2198
Top 30%
Race Day Weather
51Β°/41Β°F
overcast clouds
Personalized for Lam

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment Β· 6:24/mi at mile 13.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase Β· Instant access Β· Downloadable PDF Β· Shareable report

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
20:22
3.11 mi
Rank: #4632
Start β†’ 5K
20:22 | 6:34/mi
10K
40:33
6.21 mi
Rank: #4388 (+244)
5K β†’ 10K
20:11 | 6:30/mi
15K
1:00:47
9.32 mi
Rank: #4331 (+57)
10K β†’ 15K
20:14 | 6:31/mi
20K
1:21:21
12.43 mi
Rank: #4384 (-53)
15K β†’ 20K
20:34 | 6:38/mi
HALF
1:25:43
13.11 mi
Rank: #4347 (+37)
20K β†’ HALF
4:22 | 6:25/mi
25K
1:41:52
15.53 mi
Rank: #4358 (-11)
HALF β†’ 25K
16:09 | 6:40/mi
30K
2:03:22
18.64 mi
Rank: #4442 (-84)
25K β†’ 30K
21:30 | 6:56/mi
20M
2:12:54
20.00 mi
Rank: #4496 (-54)
30K β†’ 20M
9:32 | 7:02/mi
21M
2:20:24
21.00 mi
Rank: #4583 (-87)
20M β†’ 21M
7:30 | 7:30/mi
35K
2:25:24
21.75 mi
Rank: #4566 (+17)
21M β†’ 35K
5:00 | 6:41/mi
23M
2:34:02
23.00 mi
Rank: #4533 (+33)
35K β†’ 23M
8:38 | 6:54/mi
24M
2:40:39
24.00 mi
Rank: #4482 (+51)
23M β†’ 24M
6:37 | 6:37/mi
40K
2:46:30
24.85 mi
Rank: #4452 (+30)
24M β†’ 40K
5:51 | 6:51/mi
25.2M
2:49:11
25.20 mi
Rank: #4476 (-24)
40K β†’ 25.2M
2:41 | 7:47/mi
FINISH
2:55:44
26.22 mi
Rank: #4403 (+73)
25.2M β†’ FINISH
6:33 | 6:26/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:25:43
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:30:01
Pace6:52 /mi
πŸ“ŠPositive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0720:226:3420:22
6:34
-
10K
6.21 mi10:46:1840:336:3220:11
6:30
-0:04
15K
9.32 mi11:06:321:00:476:3220:14
6:31
+0:01
20K
12.43 mi11:27:061:21:216:3320:34
6:38
+0:07
HALF
13.11 mi11:31:281:25:436:334:22
6:25
-0:13
25K
15.53 mi11:47:371:41:526:3416:09
6:40
+0:15
30K
18.64 mi12:09:072:03:226:3821:30
6:56
+0:16
20M
20.00 mi12:18:392:12:546:399:32
7:02
+0:06
21M
21.00 mi12:26:092:20:246:427:30
7:30
+0:28
35K
21.75 mi12:31:092:25:246:425:00
6:41
-0:49
23M
23.00 mi12:39:472:34:026:428:38
6:54
+0:13
24M
24.00 mi12:46:242:40:396:426:37
6:37
-0:17
40K
24.85 mi12:52:152:46:306:425:51
6:51
+0:14
25.2M
25.20 mi12:54:562:49:116:432:41
7:47
+0:56
FINISH
26.22 mi13:01:292:55:446:436:33
6:26
-1:21

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

6:25 /mi

Average Pace

6:42 /mi

Slowest Pace

7:47 /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

10:55

6% of race

Time at Steady Pace

1:54:58

65% of race

Time at Slower Pace

49:51

28% of race

Average Pace: 6:42 /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 mi10:26:0720:226:3420:22
6:34
#4632
10K
6.21 mi10:46:1840:336:3220:11
6:30
#4388
15K
9.32 mi11:06:321:00:476:3220:14
6:31
#4331
20K
12.43 mi11:27:061:21:216:3320:34
6:38
#4384
HALF
13.11 mi11:31:281:25:436:334:22
6:25
#4347
25K
15.53 mi11:47:371:41:526:3416:09
6:40
#4358
30K
18.64 mi12:09:072:03:226:3821:30
6:56
#4442
20M
20.00 mi12:18:392:12:546:399:32
7:02
#4496
21M
21.00 mi12:26:092:20:246:427:30
7:30
#4583
35K
21.75 mi12:31:092:25:246:425:00
6:41
#4566
23M
23.00 mi12:39:472:34:026:428:38
6:54
#4533
24M
24.00 mi12:46:242:40:396:426:37
6:37
#4482
40K
24.85 mi12:52:152:46:306:425:51
6:51
#4452
25.2M
25.20 mi12:54:562:49:116:432:41
7:47
#4476
FINISH
26.22 mi13:01:292:55:446:436:33
6:26
#4403
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4632435043504317(Top 15%)4077(Top 25%)4077(Top 185%)
10K6.21 mi3.10 mi4388+2444149+2014149+2014188(Top 14%)3968(Top 24%)3968(Top 181%)
15K9.32 mi3.11 mi4331+574097+524097+524317(Top 15%)4077(Top 25%)4077(Top 185%)
20K12.43 mi3.11 mi4384-534139-424139-424563(Top 16%)4278(Top 26%)4278(Top 195%)
HALF13.11 mi0.68 mi4347+374106+334106+333784(Top 13%)3601(Top 22%)3601(Top 164%)
25K15.53 mi2.42 mi4358-114110-44110-44550(Top 16%)4233(Top 26%)4233(Top 193%)
30K18.64 mi3.11 mi4442-844177-674177-675280(Top 18%)4745(Top 29%)4745(Top 216%)
20M20.00 mi1.36 mi4496-544215-384215-385641(Top 19%)4974(Top 30%)4974(Top 226%)
21M21.00 mi1.00 mi4583-874278-634278-636432(Top 22%)5397(Top 33%)5397(Top 246%)
35K21.75 mi0.75 mi4566+174259+194259+194794(Top 17%)4264(Top 26%)4264(Top 194%)
23M23.00 mi1.25 mi4533+334210+494210+494728(Top 16%)4184(Top 26%)4184(Top 190%)
24M24.00 mi1.00 mi4482+514153+574153+573854(Top 13%)3460(Top 21%)3460(Top 157%)
40K24.85 mi0.85 mi4452+304118+354118+354454(Top 15%)3870(Top 24%)3870(Top 176%)
25.2M25.20 mi0.35 mi4476-244140-224140-226827(Top 24%)5418(Top 33%)5418(Top 246%)
FINISH26.22 mi1.02 mi4403+734065+754065+753717(Top 13%)3251(Top 20%)3251(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
Γ—21
+97ft-345ft

Overall

4317

Males

4077

M40-44

4077

5K→10K

3.1 - 6.2 mi

Top 14%
Γ—5
+79ft-138ft

Overall

4188

Males

3968

M40-44

3968

10K→15K

6.2 - 9.3 mi

Top 15%
Γ—3
+67ft-78ft

Overall

4317

Males

4077

M40-44

4077

15K→20K

9.3 - 12.4 mi

Top 16%
Γ—5
+106ft-86ft

Overall

4563

Males

4278

M40-44

4278

20K→HALF

12.4 - 13.1 mi

Top 13%
Γ—2
+19ft-37ft

Overall

3784

Males

3601

M40-44

3601

HALF→25K

13.1 - 15.5 mi

Top 16%
Γ—4
+66ft-88ft

Overall

4550

Males

4233

M40-44

4233

25K→30K

15.5 - 18.6 mi

Top 18%
Γ—9
+181ft-148ft

Overall

5280

Males

4745

M40-44

4745

30K→20M

18.6 - 20.0 mi

Top 19%
Γ—5
+64ft-50ft

Overall

5641

Males

4974

M40-44

4974

20M→21M

20.0 - 21.0 mi

Top 22%
Γ—8
+106ft-24ft

Overall

6432

Males

5397

M40-44

5397

21M→35K

21.0 - 21.8 mi

Top 17%
Γ—7
+17ft-86ft

Overall

4794

Males

4264

M40-44

4264

35K→23M

21.8 - 23.0 mi

Top 16%
Γ—5
+23ft-63ft

Overall

4728

Males

4184

M40-44

4184

23M→24M

23.0 - 24.0 mi

Top 13%
Γ—6
+12ft-82ft

Overall

3854

Males

3460

M40-44

3460

24M→40K

24.0 - 24.9 mi

Top 15%
Γ—1
+6ft-20ft

Overall

4454

Males

3870

M40-44

3870

40K→25.2M

24.9 - 25.2 mi

Top 24%
Γ—1
+13ft-16ft

Overall

6827

Males

5418

M40-44

5418

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
Γ—2
+22ft-21ft

Overall

3717

Males

3251

M40-44

3251

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1163*
Passed By
934
Net Change
+229
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#4632
5K β†’ 10K293*49+244#4632#4388
10K β†’ 15K14184+57#4388#4331
15K β†’ 20K75128-53#4331#4384
20K β†’ HALF392+37#4384#4347
HALF β†’ 25K6980-11#4347#4358
25K β†’ 30K87171-84#4358#4442
30K β†’ 20M4599-54#4442#4496
20M β†’ 21M37124-87#4496#4583
21M β†’ 35K4023+17#4583#4566
35K β†’ 23M8754+33#4566#4533
23M β†’ 24M8332+51#4533#4482
24M β†’ 40K6030+30#4482#4452
40K β†’ 25.2M1539-24#4452#4476
25.2M β†’ FINISH9219+73#4476#4403
TOTALS1163*934+229

* 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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Activity Data

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Export & Support

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