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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Julieta Leal Balderas

Bib: 23461 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
Race Day Weather
51°/41°F
overcast clouds
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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
26:58
3.11 mi
Rank: #21090
Start → 5K
26:58 | 8:41/mi
10K
53:58
6.21 mi
Rank: #21238 (-148)
5K → 10K
27:00 | 8:42/mi
15K
1:21:02
9.32 mi
Rank: #21245 (-7)
10K → 15K
27:04 | 8:43/mi
20K
1:48:13
12.43 mi
Rank: #21080 (+165)
15K → 20K
27:11 | 8:45/mi
HALF
1:53:58
13.11 mi
Rank: #21021 (+59)
20K → HALF
5:45 | 8:27/mi
25K
2:15:59
15.53 mi
Rank: #21108 (-87)
HALF → 25K
22:01 | 9:05/mi
30K
2:46:06
18.64 mi
Rank: #21358 (-250)
25K → 30K
30:07 | 9:42/mi
20M
2:59:31
20.00 mi
Rank: #21443 (-85)
30K → 20M
13:25 | 9:53/mi
21M
3:09:45
21.00 mi
Rank: #21443
20M → 21M
10:14 | 10:14/mi
35K
3:16:52
21.75 mi
Rank: #21467 (-24)
21M → 35K
7:07 | 9:31/mi
23M
3:29:04
23.00 mi
Rank: #21475 (-8)
35K → 23M
12:12 | 9:45/mi
24M
3:38:31
24.00 mi
Rank: #21485 (-10)
23M → 24M
9:27 | 9:27/mi
40K
3:46:23
24.85 mi
Rank: #21417 (+68)
24M → 40K
7:52 | 9:13/mi
25.2M
3:49:46
25.20 mi
Rank: #21380 (+37)
40K → 25.2M
3:23 | 9:49/mi
FINISH
3:58:30
26.22 mi
Rank: #21290 (+90)
25.2M → FINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:58
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:04:32
Pace9:30 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:1426:588:4126:58
8:41
-
10K
6.21 mi11:57:1453:588:4227:00
8:42
+0:01
15K
9.32 mi12:24:181:21:028:4227:04
8:43
+0:01
20K
12.43 mi12:51:291:48:138:4327:11
8:45
+0:02
HALF
13.11 mi12:57:141:53:588:425:45
8:27
-0:18
25K
15.53 mi13:19:152:15:598:4622:01
9:05
+0:38
30K
18.64 mi13:49:222:46:068:5530:07
9:42
+0:37
20M
20.00 mi14:02:472:59:318:5913:25
9:53
+0:11
21M
21.00 mi14:13:013:09:459:0310:14
10:14
+0:21
35K
21.75 mi14:20:083:16:529:047:07
9:31
-0:43
23M
23.00 mi14:32:203:29:049:0612:12
9:45
+0:14
24M
24.00 mi14:41:473:38:319:079:27
9:27
-0:18
40K
24.85 mi14:49:393:46:239:077:52
9:13
-0:14
25.2M
25.20 mi14:53:023:49:469:083:23
9:49
+0:36
FINISH
26.22 mi15:01:463:58:309:078:44
8:35
-1:14

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

8:27 /mi

Average Pace

9:06 /mi

Slowest Pace

10:14 /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

2:02:42

51% of race

Time at Steady Pace

39:20

16% of race

Time at Slower Pace

1:16:28

32% of race

Average Pace: 9:06 /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 mi11:30:1426:588:4126:58
8:41
#21090
10K
6.21 mi11:57:1453:588:4227:00
8:42
#21238
15K
9.32 mi12:24:181:21:028:4227:04
8:43
#21245
20K
12.43 mi12:51:291:48:138:4327:11
8:45
#21080
HALF
13.11 mi12:57:141:53:588:425:45
8:27
#21021
25K
15.53 mi13:19:152:15:598:4622:01
9:05
#21108
30K
18.64 mi13:49:222:46:068:5530:07
9:42
#21358
20M
20.00 mi14:02:472:59:318:5913:25
9:53
#21443
21M
21.00 mi14:13:013:09:459:0310:14
10:14
#21443
35K
21.75 mi14:20:083:16:529:047:07
9:31
#21467
23M
23.00 mi14:32:203:29:049:0612:12
9:45
#21475
24M
24.00 mi14:41:473:38:319:079:27
9:27
#21485
40K
24.85 mi14:49:393:46:239:077:52
9:13
#21417
25.2M
25.20 mi14:53:023:49:469:083:23
9:49
#21380
FINISH
26.22 mi15:01:463:58:309:078:44
8:35
#21290
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi210908223822321281(Top 73%)8272(Top 66%)8272(Top 671%)
10K6.21 mi3.10 mi21238-1488277-548277-5421384(Top 74%)8331(Top 66%)8331(Top 676%)
15K9.32 mi3.11 mi21245-78277827721281(Top 73%)8272(Top 66%)8272(Top 671%)
20K12.43 mi3.11 mi21080+1658194+838194+8320719(Top 71%)8006(Top 64%)8006(Top 649%)
HALF13.11 mi0.68 mi21021+598160+348160+3419941(Top 69%)7568(Top 60%)7568(Top 614%)
25K15.53 mi2.42 mi21108-878221-618221-6121543(Top 74%)8447(Top 67%)8447(Top 685%)
30K18.64 mi3.11 mi21358-2508353-1328353-13222244(Top 77%)8891(Top 71%)8891(Top 721%)
20M20.00 mi1.36 mi21443-858414-618414-6122247(Top 77%)8976(Top 71%)8976(Top 728%)
21M21.00 mi1.00 mi214438428-148428-1421182(Top 73%)8481(Top 67%)8481(Top 688%)
35K21.75 mi0.75 mi21467-248444-168444-1621811(Top 75%)8857(Top 70%)8857(Top 718%)
23M23.00 mi1.25 mi21475-88452-88452-821410(Top 74%)8689(Top 69%)8689(Top 705%)
24M24.00 mi1.00 mi21485-108478-268478-2621180(Top 73%)8630(Top 69%)8630(Top 700%)
40K24.85 mi0.85 mi21417+688456+228456+2219328(Top 67%)7745(Top 62%)7745(Top 628%)
25.2M25.20 mi0.35 mi21380+378437+198437+1918752(Top 65%)7440(Top 59%)7440(Top 603%)
FINISH26.22 mi1.02 mi21290+908404+338404+3318568(Top 64%)7341(Top 58%)7341(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21
+97ft-345ft

Overall

21281

Females

8272

F50-54

8272

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21384

Females

8331

F50-54

8331

10K→15K

6.2 - 9.3 mi

Top 73%
×3
+67ft-78ft

Overall

21281

Females

8272

F50-54

8272

15K→20K

9.3 - 12.4 mi

Top 71%
×5
+106ft-86ft

Overall

20719

Females

8006

F50-54

8006

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19941

Females

7568

F50-54

7568

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21543

Females

8447

F50-54

8447

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22244

Females

8891

F50-54

8891

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22247

Females

8976

F50-54

8976

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21182

Females

8481

F50-54

8481

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21811

Females

8857

F50-54

8857

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21410

Females

8689

F50-54

8689

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21180

Females

8630

F50-54

8630

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19328

Females

7745

F50-54

7745

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18752

Females

7440

F50-54

7440

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18568

Females

7341

F50-54

7341

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1407*
Passed By
1315
Net Change
-200
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21090
5K → 10K200200-148#21090#21238
10K → 15K182189-7#21238#21245
15K → 20K236*71+165#21245#21080
20K → HALF667+59#21080#21021
HALF → 25K92179-87#21021#21108
25K → 30K94200-250#21108#21358
30K → 20M62147-85#21358#21443
20M → 21M90900#21443#21443
21M → 35K2852-24#21443#21467
35K → 23M6977-8#21467#21475
23M → 24M5060-10#21475#21485
24M → 40K8719+68#21485#21417
40K → 25.2M436+37#21417#21380
25.2M → FINISH10818+90#21380#21290
TOTALS1407*1315-200

* 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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