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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Lorena Casillas

Bib: 22535 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 33%
Race Day Weather
51°/41°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
25:55
3.11 mi
Rank: #19155
Start → 5K
25:55 | 8:21/mi
10K
51:21
6.21 mi
Rank: #18813 (+342)
5K → 10K
25:26 | 8:12/mi
15K
1:16:58
9.32 mi
Rank: #18750 (+63)
10K → 15K
25:37 | 8:15/mi
20K
1:42:57
12.43 mi
Rank: #18669 (+81)
15K → 20K
25:59 | 8:22/mi
HALF
1:48:35
13.11 mi
Rank: #18670 (-1)
20K → HALF
5:38 | 8:16/mi
25K
2:09:29
15.53 mi
Rank: #18747 (-77)
HALF → 25K
20:54 | 8:38/mi
30K
2:37:46
18.64 mi
Rank: #18974 (-227)
25K → 30K
28:17 | 9:07/mi
20M
2:50:12
20.00 mi
Rank: #19045 (-71)
30K → 20M
12:26 | 9:10/mi
21M
3:00:01
21.00 mi
Rank: #19096 (-51)
20M → 21M
9:49 | 9:49/mi
35K
3:08:11
21.75 mi
Rank: #19521 (-425)
21M → 35K
8:10 | 10:55/mi
23M
3:19:25
23.00 mi
Rank: #19438 (+83)
35K → 23M
11:14 | 8:59/mi
24M
3:28:15
24.00 mi
Rank: #19394 (+44)
23M → 24M
8:50 | 8:50/mi
40K
3:36:04
24.85 mi
Rank: #19408 (-14)
24M → 40K
7:49 | 9:09/mi
25.2M
3:39:36
25.20 mi
Rank: #19419 (-11)
40K → 25.2M
3:32 | 10:15/mi
FINISH
3:49:05
26.22 mi
Rank: #19554 (-135)
25.2M → FINISH
9:29 | 9:19/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:35
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4525:558:2125:55
8:21
-
10K
6.21 mi11:53:1151:218:1625:26
8:12
-0:09
15K
9.32 mi12:18:481:16:588:1625:37
8:15
+0:03
20K
12.43 mi12:44:471:42:578:1825:59
8:22
+0:07
HALF
13.11 mi12:50:251:48:358:175:38
8:16
-0:06
25K
15.53 mi13:11:192:09:298:2120:54
8:38
+0:22
30K
18.64 mi13:39:362:37:468:2828:17
9:07
+0:29
20M
20.00 mi13:52:022:50:128:3112:26
9:10
+0:03
21M
21.00 mi14:01:513:00:018:359:49
9:49
+0:39
35K
21.75 mi14:10:013:08:118:408:10
10:55
+1:06
23M
23.00 mi14:21:153:19:258:4111:14
8:59
-1:56
24M
24.00 mi14:30:053:28:158:418:50
8:50
-0:09
40K
24.85 mi14:37:543:36:048:427:49
9:09
+0:19
25.2M
25.20 mi14:41:263:39:368:433:32
10:15
+1:06
FINISH
26.22 mi14:50:553:49:058:459:29
9:19
-0:56

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

8:12 /mi

Average Pace

8:45 /mi

Slowest Pace

10:55 /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

1:48:35

47% of race

Time at Steady Pace

1:38:59

43% of race

Time at Slower Pace

21:31

9% of race

Average Pace: 8:44 /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 mi11:27:4525:558:2125:55
8:21
#19155
10K
6.21 mi11:53:1151:218:1625:26
8:12
#18813
15K
9.32 mi12:18:481:16:588:1625:37
8:15
#18750
20K
12.43 mi12:44:471:42:578:1825:59
8:22
#18669
HALF
13.11 mi12:50:251:48:358:175:38
8:16
#18670
25K
15.53 mi13:11:192:09:298:2120:54
8:38
#18747
30K
18.64 mi13:39:362:37:468:2828:17
9:07
#18974
20M
20.00 mi13:52:022:50:128:3112:26
9:10
#19045
21M
21.00 mi14:01:513:00:018:359:49
9:49
#19096
35K
21.75 mi14:10:013:08:118:408:10
10:55
#19521
23M
23.00 mi14:21:153:19:258:4111:14
8:59
#19438
24M
24.00 mi14:30:053:28:158:418:50
8:50
#19394
40K
24.85 mi14:37:543:36:048:427:49
9:09
#19408
25.2M
25.20 mi14:41:263:39:368:433:32
10:15
#19419
FINISH
26.22 mi14:50:553:49:058:459:29
9:19
#19554
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi191557174717418664(Top 64%)6852(Top 54%)6852(Top 721%)
10K6.21 mi3.10 mi18813+3426961+2136961+21318501(Top 64%)6744(Top 54%)6744(Top 709%)
15K9.32 mi3.11 mi18750+636907+546907+5418664(Top 64%)6852(Top 54%)6852(Top 721%)
20K12.43 mi3.11 mi18669+816870+376870+3718500(Top 64%)6799(Top 54%)6799(Top 715%)
HALF13.11 mi0.68 mi18670-16874-46874-418873(Top 65%)6995(Top 56%)6995(Top 736%)
25K15.53 mi2.42 mi18747-776920-466920-4619296(Top 66%)7294(Top 58%)7294(Top 767%)
30K18.64 mi3.11 mi18974-2277095-1757095-17520088(Top 69%)7783(Top 62%)7783(Top 818%)
20M20.00 mi1.36 mi19045-717152-577152-5719674(Top 68%)7639(Top 61%)7639(Top 803%)
21M21.00 mi1.00 mi19096-517186-347186-3419826(Top 68%)7757(Top 62%)7757(Top 816%)
35K21.75 mi0.75 mi19521-4257444-2587444-25825132(Top 87%)10585(Top 84%)10585(Top 1113%)
23M23.00 mi1.25 mi19438+837417+277417+2718404(Top 63%)7174(Top 57%)7174(Top 754%)
24M24.00 mi1.00 mi19394+447414+37414+318727(Top 65%)7374(Top 59%)7374(Top 775%)
40K24.85 mi0.85 mi19408-147430-167430-1619060(Top 66%)7603(Top 60%)7603(Top 799%)
25.2M25.20 mi0.35 mi19419-117441-117441-1120278(Top 70%)8204(Top 65%)8204(Top 863%)
FINISH26.22 mi1.02 mi19554-1357518-777518-7721685(Top 75%)8899(Top 71%)8899(Top 936%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18664

Females

6852

F55-59

6852

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18501

Females

6744

F55-59

6744

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18664

Females

6852

F55-59

6852

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18500

Females

6799

F55-59

6799

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18873

Females

6995

F55-59

6995

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19296

Females

7294

F55-59

7294

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20088

Females

7783

F55-59

7783

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19674

Females

7639

F55-59

7639

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19826

Females

7757

F55-59

7757

21M→35K

21.0 - 21.8 mi

Top 87%
×7
+17ft-86ft

Overall

25132

Females

10585

F55-59

10585

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18404

Females

7174

F55-59

7174

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18727

Females

7374

F55-59

7374

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19060

Females

7603

F55-59

7603

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20278

Females

8204

F55-59

8204

25.2M→FINISH

25.2 - 26.2 mi

Top 75%
×2
+22ft-21ft

Overall

21685

Females

8899

F55-59

8899

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1594*
Passed By
1610
Net Change
-399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19155
5K → 10K479*137+342#19155#18813
10K → 15K197134+63#18813#18750
15K → 20K197116+81#18750#18669
20K → HALF3334-1#18669#18670
HALF → 25K114191-77#18670#18747
25K → 30K121200-227#18747#18974
30K → 20M68139-71#18974#19045
20M → 21M72123-51#19045#19096
21M → 35K10200-425#19096#19521
35K → 23M13047+83#19521#19438
23M → 24M7733+44#19438#19394
24M → 40K5771-14#19394#19408
40K → 25.2M2031-11#19408#19419
25.2M → FINISH19154-135#19419#19554
TOTALS1594*1610-399

* 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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