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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lyndsey De Souza

Bib: 15944 β€’F β€’Age: N/A

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Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Masters (Masters Women)
#0 / 6862
Top 22%
Age Group (F40-44)
#0 / 1737
Top 46%
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
23:02
3.11 mi
Rank: #12081
Start β†’ 5K
23:02 | 7:25/mi
10K
46:15
6.21 mi
Rank: #12356 (-275)
5K β†’ 10K
23:13 | 7:29/mi
15K
1:09:30
9.32 mi
Rank: #12450 (-94)
10K β†’ 15K
23:15 | 7:30/mi
20K
1:32:56
12.43 mi
Rank: #12408 (+42)
15K β†’ 20K
23:26 | 7:33/mi
HALF
1:37:57
13.11 mi
Rank: #12365 (+43)
20K β†’ HALF
5:01 | 7:22/mi
25K
1:56:28
15.53 mi
Rank: #12370 (-5)
HALF β†’ 25K
18:31 | 7:39/mi
30K
2:22:13
18.64 mi
Rank: #12956 (-586)
25K β†’ 30K
25:45 | 8:18/mi
20M
2:34:57
20.00 mi
Rank: #13661 (-705)
30K β†’ 20M
12:44 | 9:23/mi
21M
2:44:25
21.00 mi
Rank: #13980 (-319)
20M β†’ 21M
9:28 | 9:28/mi
35K
2:52:34
21.75 mi
Rank: #14794 (-814)
21M β†’ 35K
8:09 | 10:54/mi
23M
3:02:55
23.00 mi
Rank: #14747 (+47)
35K β†’ 23M
10:21 | 8:17/mi
24M
3:11:04
24.00 mi
Rank: #14750 (-3)
23M β†’ 24M
8:09 | 8:09/mi
40K
3:18:08
24.85 mi
Rank: #14728 (+22)
24M β†’ 40K
7:04 | 8:16/mi
25.2M
3:21:14
25.20 mi
Rank: #14722 (+6)
40K β†’ 25.2M
3:06 | 9:00/mi
FINISH
3:29:06
26.22 mi
Rank: #14651 (+71)
25.2M β†’ FINISH
7:52 | 7:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:57
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:51:09
Pace8:29 /mi
πŸ“ŠPositive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3923:027:2523:02
7:25
-
10K
6.21 mi11:18:5246:157:2723:13
7:29
+0:04
15K
9.32 mi11:42:071:09:307:2823:15
7:30
+0:01
20K
12.43 mi12:05:331:32:567:2923:26
7:33
+0:03
HALF
13.11 mi12:10:341:37:577:295:01
7:22
-0:11
25K
15.53 mi12:29:051:56:287:3018:31
7:39
+0:17
30K
18.64 mi12:54:502:22:137:3825:45
8:18
+0:39
20M
20.00 mi13:07:342:34:577:4512:44
9:23
+1:05
21M
21.00 mi13:17:022:44:257:509:28
9:28
+0:05
35K
21.75 mi13:25:112:52:347:578:09
10:54
+1:26
23M
23.00 mi13:35:323:02:557:5810:21
8:17
-2:37
24M
24.00 mi13:43:413:11:047:588:09
8:09
-0:08
40K
24.85 mi13:50:453:18:087:597:04
8:16
+0:07
25.2M
25.20 mi13:53:513:21:148:003:06
9:00
+0:44
FINISH
26.22 mi14:01:433:29:067:597:52
7:44
-1:16

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

7:22 /mi

Average Pace

7:59 /mi

Slowest Pace

10:54 /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

1:56:28

56% of race

Time at Steady Pace

59:11

28% of race

Time at Slower Pace

33:27

16% of race

Average Pace: 7:58 /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 mi10:55:3923:027:2523:02
7:25
#12081
10K
6.21 mi11:18:5246:157:2723:13
7:29
#12356
15K
9.32 mi11:42:071:09:307:2823:15
7:30
#12450
20K
12.43 mi12:05:331:32:567:2923:26
7:33
#12408
HALF
13.11 mi12:10:341:37:577:295:01
7:22
#12365
25K
15.53 mi12:29:051:56:287:3018:31
7:39
#12370
30K
18.64 mi12:54:502:22:137:3825:45
8:18
#12956
20M
20.00 mi13:07:342:34:577:4512:44
9:23
#13661
21M
21.00 mi13:17:022:44:257:509:28
9:28
#13980
35K
21.75 mi13:25:112:52:347:578:09
10:54
#14794
23M
23.00 mi13:35:323:02:557:5810:21
8:17
#14747
24M
24.00 mi13:43:413:11:047:588:09
8:09
#14750
40K
24.85 mi13:50:453:18:087:597:04
8:16
#14728
25.2M
25.20 mi13:53:513:21:148:003:06
9:00
#14722
FINISH
26.22 mi14:01:433:29:067:597:52
7:44
#14651
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi120812968296812685(Top 44%)3389(Top 27%)3389(Top 195%)
10K6.21 mi3.10 mi12356-2753143-1753143-17512719(Top 44%)3388(Top 27%)3388(Top 195%)
15K9.32 mi3.11 mi12450-943215-723215-7212685(Top 44%)3389(Top 27%)3389(Top 195%)
20K12.43 mi3.11 mi12408+423228-133228-1312364(Top 43%)3309(Top 26%)3309(Top 191%)
HALF13.11 mi0.68 mi12365+433207+213207+2111861(Top 41%)2974(Top 24%)2974(Top 171%)
25K15.53 mi2.42 mi12370-53235-283235-2812551(Top 43%)3469(Top 28%)3469(Top 200%)
30K18.64 mi3.11 mi12956-5863624-3893624-38915538(Top 54%)5265(Top 42%)5265(Top 303%)
20M20.00 mi1.36 mi13661-7054035-4114035-41120574(Top 71%)8120(Top 65%)8120(Top 467%)
21M21.00 mi1.00 mi13980-3194251-2164251-21618370(Top 63%)6990(Top 56%)6990(Top 402%)
35K21.75 mi0.75 mi14794-8144747-4964747-49625086(Top 86%)10559(Top 84%)10559(Top 608%)
23M23.00 mi1.25 mi14747+474748-14748-114286(Top 49%)4864(Top 39%)4864(Top 280%)
24M24.00 mi1.00 mi14750-34771-234771-2314764(Top 51%)5200(Top 41%)5200(Top 299%)
40K24.85 mi0.85 mi14728+224776-54776-514251(Top 49%)5022(Top 40%)5022(Top 289%)
25.2M25.20 mi0.35 mi14722+64780-44780-414698(Top 51%)5267(Top 42%)5267(Top 303%)
FINISH26.22 mi1.02 mi14651+714762+184762+1813177(Top 45%)4489(Top 36%)4489(Top 258%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
Γ—21
+97ft-345ft

Overall

12685

Females

3389

F40-44

3389

5K→10K

3.1 - 6.2 mi

Top 44%
Γ—5
+79ft-138ft

Overall

12719

Females

3388

F40-44

3388

10K→15K

6.2 - 9.3 mi

Top 44%
Γ—3
+67ft-78ft

Overall

12685

Females

3389

F40-44

3389

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5
+106ft-86ft

Overall

12364

Females

3309

F40-44

3309

20K→HALF

12.4 - 13.1 mi

Top 41%
Γ—2
+19ft-37ft

Overall

11861

Females

2974

F40-44

2974

HALF→25K

13.1 - 15.5 mi

Top 43%
Γ—4
+66ft-88ft

Overall

12551

Females

3469

F40-44

3469

25K→30K

15.5 - 18.6 mi

Top 54%
Γ—9
+181ft-148ft

Overall

15538

Females

5265

F40-44

5265

30K→20M

18.6 - 20.0 mi

Top 71%
Γ—5
+64ft-50ft

Overall

20574

Females

8120

F40-44

8120

20M→21M

20.0 - 21.0 mi

Top 63%
Γ—8
+106ft-24ft

Overall

18370

Females

6990

F40-44

6990

21M→35K

21.0 - 21.8 mi

Top 86%
Γ—7
+17ft-86ft

Overall

25086

Females

10559

F40-44

10559

35K→23M

21.8 - 23.0 mi

Top 49%
Γ—5
+23ft-63ft

Overall

14286

Females

4864

F40-44

4864

23M→24M

23.0 - 24.0 mi

Top 51%
Γ—6
+12ft-82ft

Overall

14764

Females

5200

F40-44

5200

24M→40K

24.0 - 24.9 mi

Top 49%
Γ—1
+6ft-20ft

Overall

14251

Females

5022

F40-44

5022

40K→25.2M

24.9 - 25.2 mi

Top 51%
Γ—1
+13ft-16ft

Overall

14698

Females

5267

F40-44

5267

25.2M→FINISH

25.2 - 26.2 mi

Top 45%
Γ—2
+22ft-21ft

Overall

13177

Females

4489

F40-44

4489

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1195
Passed By
1734
Net Change
-2570
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12081
5K β†’ 10K158200-275#12081#12356
10K β†’ 15K157200-94#12356#12450
15K β†’ 20K180138+42#12450#12408
20K β†’ HALF529+43#12408#12365
HALF β†’ 25K126131-5#12365#12370
25K β†’ 30K63200-586#12370#12956
30K β†’ 20M20200-705#12956#13661
20M β†’ 21M32200-319#13661#13980
21M β†’ 35K8200-814#13980#14794
35K β†’ 23M12477+47#14794#14747
23M β†’ 24M7578-3#14747#14750
24M β†’ 40K6644+22#14750#14728
40K β†’ 25.2M3125+6#14728#14722
25.2M β†’ FINISH10332+71#14722#14651
TOTALS11951734-2570
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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