Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sean Laffey

Bib: 8398 β€’M β€’Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°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
19:40
3.11 mi
Rank: #2927
Start β†’ 5K
19:40 | 6:20/mi
10K
40:11
6.21 mi
Rank: #3919 (-992)
5K β†’ 10K
20:31 | 6:37/mi
15K
1:01:02
9.32 mi
Rank: #4566 (-647)
10K β†’ 15K
20:51 | 6:43/mi
20K
1:22:00
12.43 mi
Rank: #4781 (-215)
15K β†’ 20K
20:58 | 6:45/mi
HALF
1:26:30
13.11 mi
Rank: #4790 (-9)
20K β†’ HALF
4:30 | 6:37/mi
25K
1:42:54
15.53 mi
Rank: #4850 (-60)
HALF β†’ 25K
16:24 | 6:46/mi
30K
2:03:56
18.64 mi
Rank: #4682 (+168)
25K β†’ 30K
21:02 | 6:47/mi
20M
2:13:18
20.00 mi
Rank: #4674 (+8)
30K β†’ 20M
9:22 | 6:54/mi
21M
2:20:25
21.00 mi
Rank: #4590 (+84)
20M β†’ 21M
7:07 | 7:07/mi
35K
2:25:26
21.75 mi
Rank: #4580 (+10)
21M β†’ 35K
5:01 | 6:43/mi
23M
2:34:00
23.00 mi
Rank: #4521 (+59)
35K β†’ 23M
8:34 | 6:51/mi
24M
2:40:44
24.00 mi
Rank: #4503 (+18)
23M β†’ 24M
6:44 | 6:44/mi
40K
2:46:32
24.85 mi
Rank: #4461 (+42)
24M β†’ 40K
5:48 | 6:48/mi
25.2M
2:49:05
25.20 mi
Rank: #4445 (+16)
40K β†’ 25.2M
2:33 | 7:24/mi
FINISH
2:55:52
26.22 mi
Rank: #4453 (-8)
25.2M β†’ FINISH
6:47 | 6:40/mi
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link β€” view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:30
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:29:22
Pace6:50 /mi
πŸ“ŠPositive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:34:4419:406:2019:40
6:20
-
10K
6.21 mi10:55:1540:116:2920:31
6:37
+0:17
15K
9.32 mi11:16:061:01:026:3320:51
6:43
+0:06
20K
12.43 mi11:37:041:22:006:3620:58
6:45
+0:02
HALF
13.11 mi11:41:341:26:306:364:30
6:37
-0:08
25K
15.53 mi11:57:581:42:546:3816:24
6:46
+0:09
30K
18.64 mi12:19:002:03:566:3921:02
6:47
+0:01
20M
20.00 mi12:28:222:13:186:409:22
6:54
+0:07
21M
21.00 mi12:35:292:20:256:427:07
7:07
+0:13
35K
21.75 mi12:40:302:25:266:425:01
6:43
-0:24
23M
23.00 mi12:49:042:34:006:428:34
6:51
+0:08
24M
24.00 mi12:55:482:40:446:426:44
6:44
-0:07
40K
24.85 mi13:01:362:46:326:435:48
6:48
+0:04
25.2M
25.20 mi13:04:092:49:056:432:33
7:24
+0:36
FINISH
26.22 mi13:10:562:55:526:436:47
6:40
-0:44

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

6:20 /mi

Average Pace

6:43 /mi

Slowest Pace

7:24 /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

2:46:12

95% of race

Time at Steady Pace

9:40

5% of race

Time at Slower Pace

0:00

0% 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 mi10:34:4419:406:2019:40
6:20
#2927
10K
6.21 mi10:55:1540:116:2920:31
6:37
#3919
15K
9.32 mi11:16:061:01:026:3320:51
6:43
#4566
20K
12.43 mi11:37:041:22:006:3620:58
6:45
#4781
HALF
13.11 mi11:41:341:26:306:364:30
6:37
#4790
25K
15.53 mi11:57:581:42:546:3816:24
6:46
#4850
30K
18.64 mi12:19:002:03:566:3921:02
6:47
#4682
20M
20.00 mi12:28:222:13:186:409:22
6:54
#4674
21M
21.00 mi12:35:292:20:256:427:07
7:07
#4590
35K
21.75 mi12:40:302:25:266:425:01
6:43
#4580
23M
23.00 mi12:49:042:34:006:428:34
6:51
#4521
24M
24.00 mi12:55:482:40:446:426:44
6:44
#4503
40K
24.85 mi13:01:362:46:326:435:48
6:48
#4461
25.2M
25.20 mi13:04:092:49:056:432:33
7:24
#4445
FINISH
26.22 mi13:10:562:55:526:436:47
6:40
#4453
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2927280128015921(Top 20%)5366(Top 33%)5366(Top 94%)
10K6.21 mi3.10 mi3919-9923727-9263727-9265043(Top 17%)4701(Top 29%)4701(Top 82%)
15K9.32 mi3.11 mi4566-6474301-5744301-5745921(Top 20%)5366(Top 33%)5366(Top 94%)
20K12.43 mi3.11 mi4781-2154480-1794480-1795634(Top 19%)5133(Top 31%)5133(Top 90%)
HALF13.11 mi0.68 mi4790-94488-84488-85220(Top 18%)4797(Top 29%)4797(Top 84%)
25K15.53 mi2.42 mi4850-604537-494537-495432(Top 19%)4930(Top 30%)4930(Top 86%)
30K18.64 mi3.11 mi4682+1684381+1564381+1564143(Top 14%)3838(Top 23%)3838(Top 67%)
20M20.00 mi1.36 mi4674+84361+204361+204784(Top 16%)4308(Top 26%)4308(Top 75%)
21M21.00 mi1.00 mi4590+844285+764285+764122(Top 14%)3710(Top 23%)3710(Top 65%)
35K21.75 mi0.75 mi4580+104271+144271+144950(Top 17%)4377(Top 27%)4377(Top 76%)
23M23.00 mi1.25 mi4521+594199+724199+724381(Top 15%)3906(Top 24%)3906(Top 68%)
24M24.00 mi1.00 mi4503+184173+264173+264638(Top 16%)4057(Top 25%)4057(Top 71%)
40K24.85 mi0.85 mi4461+424127+464127+464114(Top 14%)3611(Top 22%)3611(Top 63%)
25.2M25.20 mi0.35 mi4445+164111+164111+164569(Top 16%)3897(Top 24%)3897(Top 68%)
FINISH26.22 mi1.02 mi4453-84107+44107+45129(Top 18%)4269(Top 26%)4269(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
Γ—21
+97ft-345ft

Overall

5921

Males

5366

M18-39

5366

5K→10K

3.1 - 6.2 mi

Top 17%
Γ—5
+79ft-138ft

Overall

5043

Males

4701

M18-39

4701

10K→15K

6.2 - 9.3 mi

Top 20%
Γ—3
+67ft-78ft

Overall

5921

Males

5366

M18-39

5366

15K→20K

9.3 - 12.4 mi

Top 19%
Γ—5
+106ft-86ft

Overall

5634

Males

5133

M18-39

5133

20K→HALF

12.4 - 13.1 mi

Top 18%
Γ—2
+19ft-37ft

Overall

5220

Males

4797

M18-39

4797

HALF→25K

13.1 - 15.5 mi

Top 19%
Γ—4
+66ft-88ft

Overall

5432

Males

4930

M18-39

4930

25K→30K

15.5 - 18.6 mi

Top 14%
Γ—9
+181ft-148ft

Overall

4143

Males

3838

M18-39

3838

30K→20M

18.6 - 20.0 mi

Top 16%
Γ—5
+64ft-50ft

Overall

4784

Males

4308

M18-39

4308

20M→21M

20.0 - 21.0 mi

Top 14%
Γ—8
+106ft-24ft

Overall

4122

Males

3710

M18-39

3710

21M→35K

21.0 - 21.8 mi

Top 17%
Γ—7
+17ft-86ft

Overall

4950

Males

4377

M18-39

4377

35K→23M

21.8 - 23.0 mi

Top 15%
Γ—5
+23ft-63ft

Overall

4381

Males

3906

M18-39

3906

23M→24M

23.0 - 24.0 mi

Top 16%
Γ—6
+12ft-82ft

Overall

4638

Males

4057

M18-39

4057

24M→40K

24.0 - 24.9 mi

Top 14%
Γ—1
+6ft-20ft

Overall

4114

Males

3611

M18-39

3611

40K→25.2M

24.9 - 25.2 mi

Top 16%
Γ—1
+13ft-16ft

Overall

4569

Males

3897

M18-39

3897

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
Γ—2
+22ft-21ft

Overall

5129

Males

4269

M18-39

4269

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
847*
Passed By
1061
Net Change
-1526
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2927
5K β†’ 10K9200-992#2927#3919
10K β†’ 15K12200-647#3919#4566
15K β†’ 20K37200-215#4566#4781
20K β†’ HALF1423-9#4781#4790
HALF β†’ 25K51111-60#4790#4850
25K β†’ 30K206*38+168#4850#4682
30K β†’ 20M6052+8#4682#4674
20M β†’ 21M10824+84#4674#4590
21M β†’ 35K3727+10#4590#4580
35K β†’ 23M10041+59#4580#4521
23M β†’ 24M6547+18#4521#4503
24M β†’ 40K6119+42#4503#4461
40K β†’ 25.2M2812+16#4461#4445
25.2M β†’ FINISH5967-8#4445#4453
TOTALS847*1061-1526

* 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

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback