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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Leah Brown

Bib: 13509 •F •Age: N/A

OR

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 25%
Gender (Female)
#0 / 12578
Top 9%
Age Group (F18-39)
#0 / 5716
Top 16%
Race Day Weather
51°/41°F
overcast clouds
Personalized for Leah

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 · 6:49/mi at mile 6.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · 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
21:28
3.11 mi
Rank: #7842
Start → 5K
21:28 | 6:55/mi
10K
42:39
6.21 mi
Rank: #7512 (+330)
5K → 10K
21:11 | 6:50/mi
15K
1:04:08
9.32 mi
Rank: #7648 (-136)
10K → 15K
21:29 | 6:55/mi
20K
1:26:03
12.43 mi
Rank: #7794 (-146)
15K → 20K
21:55 | 7:04/mi
HALF
1:30:47
13.11 mi
Rank: #7829 (-35)
20K → HALF
4:44 | 6:57/mi
25K
1:47:57
15.53 mi
Rank: #7797 (+32)
HALF → 25K
17:10 | 7:05/mi
30K
2:10:11
18.64 mi
Rank: #7598 (+199)
25K → 30K
22:14 | 7:10/mi
20M
2:20:01
20.00 mi
Rank: #7510 (+88)
30K → 20M
9:50 | 7:15/mi
21M
2:27:36
21.00 mi
Rank: #7448 (+62)
20M → 21M
7:35 | 7:35/mi
35K
2:32:49
21.75 mi
Rank: #7394 (+54)
21M → 35K
5:13 | 6:59/mi
23M
2:42:04
23.00 mi
Rank: #7365 (+29)
35K → 23M
9:15 | 7:24/mi
24M
2:49:15
24.00 mi
Rank: #7327 (+38)
23M → 24M
7:11 | 7:11/mi
40K
2:55:36
24.85 mi
Rank: #7298 (+29)
24M → 40K
6:21 | 7:26/mi
25.2M
2:58:21
25.20 mi
Rank: #7284 (+14)
40K → 25.2M
2:45 | 7:59/mi
FINISH
3:05:48
26.22 mi
Rank: #7350 (-66)
25.2M → FINISH
7:27 | 7:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:30:47
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4821:286:5521:28
6:55
-
10K
6.21 mi11:11:5942:396:5221:11
6:50
-0:05
15K
9.32 mi11:33:281:04:086:5321:29
6:55
+0:05
20K
12.43 mi11:55:231:26:036:5621:55
7:04
+0:09
HALF
13.11 mi12:00:071:30:476:564:44
6:57
-0:07
25K
15.53 mi12:17:171:47:576:5717:10
7:05
+0:08
30K
18.64 mi12:39:312:10:117:0022:14
7:10
+0:05
20M
20.00 mi12:49:212:20:017:019:50
7:15
+0:05
21M
21.00 mi12:56:562:27:367:027:35
7:35
+0:20
35K
21.75 mi13:02:092:32:497:025:13
6:59
-0:36
23M
23.00 mi13:11:242:42:047:039:15
7:24
+0:25
24M
24.00 mi13:18:352:49:157:047:11
7:11
-0:13
40K
24.85 mi13:24:562:55:367:046:21
7:26
+0:15
25.2M
25.20 mi13:27:412:58:217:052:45
7:59
+0:33
FINISH
26.22 mi13:35:083:05:487:067:27
7:19
-0:40

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

6:50 /mi

Average Pace

7:05 /mi

Slowest Pace

7:59 /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

2:55:28

94% of race

Time at Steady Pace

10:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:50:4821:286:5521:28
6:55
#7842
10K
6.21 mi11:11:5942:396:5221:11
6:50
#7512
15K
9.32 mi11:33:281:04:086:5321:29
6:55
#7648
20K
12.43 mi11:55:231:26:036:5621:55
7:04
#7794
HALF
13.11 mi12:00:071:30:476:564:44
6:57
#7829
25K
15.53 mi12:17:171:47:576:5717:10
7:05
#7797
30K
18.64 mi12:39:312:10:117:0022:14
7:10
#7598
20M
20.00 mi12:49:212:20:017:019:50
7:15
#7510
21M
21.00 mi12:56:562:27:367:027:35
7:35
#7448
35K
21.75 mi13:02:092:32:497:025:13
6:59
#7394
23M
23.00 mi13:11:242:42:047:039:15
7:24
#7365
24M
24.00 mi13:18:352:49:157:047:11
7:11
#7327
40K
24.85 mi13:24:562:55:367:046:21
7:26
#7298
25.2M
25.20 mi13:27:412:58:217:052:45
7:59
#7284
FINISH
26.22 mi13:35:083:05:487:067:27
7:19
#7350
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7842102510257940(Top 27%)1096(Top 9%)1096(Top 19%)
10K6.21 mi3.10 mi7512+330929+96929+967184(Top 25%)844(Top 7%)844(Top 15%)
15K9.32 mi3.11 mi7648-136980-51980-517940(Top 27%)1096(Top 9%)1096(Top 19%)
20K12.43 mi3.11 mi7794-1461028-481028-488247(Top 28%)1233(Top 10%)1233(Top 22%)
HALF13.11 mi0.68 mi7829-351042-141042-148309(Top 29%)1228(Top 10%)1228(Top 21%)
25K15.53 mi2.42 mi7797+321044-21044-27983(Top 28%)1218(Top 10%)1218(Top 21%)
30K18.64 mi3.11 mi7598+1991008+361008+367102(Top 24%)1026(Top 8%)1026(Top 18%)
20M20.00 mi1.36 mi7510+88990+18990+187255(Top 25%)1171(Top 9%)1171(Top 20%)
21M21.00 mi1.00 mi7448+629909907058(Top 24%)1218(Top 10%)1218(Top 21%)
35K21.75 mi0.75 mi7394+54985+5985+56928(Top 24%)1147(Top 9%)1147(Top 20%)
23M23.00 mi1.25 mi7365+29992-7992-78082(Top 28%)1669(Top 13%)1669(Top 29%)
24M24.00 mi1.00 mi7327+381002-101002-107777(Top 27%)1617(Top 13%)1617(Top 28%)
40K24.85 mi0.85 mi7298+291023-211023-218356(Top 29%)1952(Top 16%)1952(Top 34%)
25.2M25.20 mi0.35 mi7284+141030-71030-78225(Top 28%)1956(Top 16%)1956(Top 34%)
FINISH26.22 mi1.02 mi7350-661078-481078-489972(Top 34%)2821(Top 22%)2821(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21
+97ft-345ft

Overall

7940

Females

1096

F18-39

1096

5K→10K

3.1 - 6.2 mi

Top 25%
×5
+79ft-138ft

Overall

7184

Females

844

F18-39

844

10K→15K

6.2 - 9.3 mi

Top 27%
×3
+67ft-78ft

Overall

7940

Females

1096

F18-39

1096

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8247

Females

1233

F18-39

1233

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8309

Females

1228

F18-39

1228

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

7983

Females

1218

F18-39

1218

25K→30K

15.5 - 18.6 mi

Top 24%
×9
+181ft-148ft

Overall

7102

Females

1026

F18-39

1026

30K→20M

18.6 - 20.0 mi

Top 25%
×5
+64ft-50ft

Overall

7255

Females

1171

F18-39

1171

20M→21M

20.0 - 21.0 mi

Top 24%
×8
+106ft-24ft

Overall

7058

Females

1218

F18-39

1218

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

6928

Females

1147

F18-39

1147

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8082

Females

1669

F18-39

1669

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7777

Females

1617

F18-39

1617

24M→40K

24.0 - 24.9 mi

Top 29%
×1
+6ft-20ft

Overall

8356

Females

1952

F18-39

1952

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1
+13ft-16ft

Overall

8225

Females

1956

F18-39

1956

25.2M→FINISH

25.2 - 26.2 mi

Top 34%
×2
+22ft-21ft

Overall

9972

Females

2821

F18-39

2821

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1604*
Passed By
1046
Net Change
+492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7842
5K → 10K418*88+330#7842#7512
10K → 15K84200-136#7512#7648
15K → 20K100200-146#7648#7794
20K → HALF1247-35#7794#7829
HALF → 25K12896+32#7829#7797
25K → 30K246*47+199#7797#7598
30K → 20M11224+88#7598#7510
20M → 21M9836+62#7510#7448
21M → 35K7319+54#7448#7394
35K → 23M9465+29#7394#7365
23M → 24M8143+38#7365#7327
24M → 40K8253+29#7327#7298
40K → 25.2M3218+14#7298#7284
25.2M → FINISH44110-66#7284#7350
TOTALS1604*1046+492

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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