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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jennifer Shockro

Bib: 23712 •F •Age: N/A

CA

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
Top 40%
Age Group (F55-59)
#0 / 951
Top 19%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
  • Personalized race insights
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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
25:33
3.11 mi
Rank: #18383
Start → 5K
25:33 | 8:14/mi
10K
51:13
6.21 mi
Rank: #18664 (-281)
5K → 10K
25:40 | 8:16/mi
15K
1:16:39
9.32 mi
Rank: #18544 (+120)
10K → 15K
25:26 | 8:12/mi
20K
1:42:07
12.43 mi
Rank: #18266 (+278)
15K → 20K
25:28 | 8:12/mi
HALF
1:47:38
13.11 mi
Rank: #18239 (+27)
20K → HALF
5:31 | 8:06/mi
25K
2:07:44
15.53 mi
Rank: #18082 (+157)
HALF → 25K
20:06 | 8:18/mi
30K
2:33:52
18.64 mi
Rank: #17742 (+340)
25K → 30K
26:08 | 8:25/mi
20M
2:45:33
20.00 mi
Rank: #17650 (+92)
30K → 20M
11:41 | 8:37/mi
21M
2:55:02
21.00 mi
Rank: #17695 (-45)
20M → 21M
9:29 | 9:29/mi
35K
3:01:18
21.75 mi
Rank: #17641 (+54)
21M → 35K
6:16 | 8:23/mi
23M
3:12:35
23.00 mi
Rank: #17683 (-42)
35K → 23M
11:17 | 9:01/mi
24M
3:21:10
24.00 mi
Rank: #17645 (+38)
23M → 24M
8:35 | 8:35/mi
40K
3:28:43
24.85 mi
Rank: #17627 (+18)
24M → 40K
7:33 | 8:50/mi
25.2M
3:32:02
25.20 mi
Rank: #17611 (+16)
40K → 25.2M
3:19 | 9:38/mi
FINISH
3:40:53
26.22 mi
Rank: #17674 (-63)
25.2M → FINISH
8:51 | 8:42/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:47:38
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:53:15
Pace8:39 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4725:338:1425:33
8:14
-
10K
6.21 mi12:12:2751:138:1525:40
8:16
+0:02
15K
9.32 mi12:37:531:16:398:1425:26
8:12
-0:04
20K
12.43 mi13:03:211:42:078:1425:28
8:12
0:00
HALF
13.11 mi13:08:521:47:388:135:31
8:06
-0:06
25K
15.53 mi13:28:582:07:448:1420:06
8:18
+0:12
30K
18.64 mi13:55:062:33:528:1626:08
8:25
+0:07
20M
20.00 mi14:06:472:45:338:1711:41
8:37
+0:12
21M
21.00 mi14:16:162:55:028:219:29
9:29
+0:52
35K
21.75 mi14:22:323:01:188:216:16
8:23
-1:06
23M
23.00 mi14:33:493:12:358:2311:17
9:01
+0:38
24M
24.00 mi14:42:243:21:108:238:35
8:35
-0:26
40K
24.85 mi14:49:573:28:438:247:33
8:50
+0:15
25.2M
25.20 mi14:53:163:32:028:253:19
9:38
+0:48
FINISH
26.22 mi15:02:073:40:538:268:51
8:42
-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

8:06 /mi

Average Pace

8:26 /mi

Slowest Pace

9:38 /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

3:16:48

89% of race

Time at Steady Pace

20:46

9% of race

Time at Slower Pace

3:19

2% of race

Average Pace: 8:25 /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 mi11:46:4725:338:1425:33
8:14
#18383
10K
6.21 mi12:12:2751:138:1525:40
8:16
#18664
15K
9.32 mi12:37:531:16:398:1425:26
8:12
#18544
20K
12.43 mi13:03:211:42:078:1425:28
8:12
#18266
HALF
13.11 mi13:08:521:47:388:135:31
8:06
#18239
25K
15.53 mi13:28:582:07:448:1420:06
8:18
#18082
30K
18.64 mi13:55:062:33:528:1626:08
8:25
#17742
20M
20.00 mi14:06:472:45:338:1711:41
8:37
#17650
21M
21.00 mi14:16:162:55:028:219:29
9:29
#17695
35K
21.75 mi14:22:323:01:188:216:16
8:23
#17641
23M
23.00 mi14:33:493:12:358:2311:17
9:01
#17683
24M
24.00 mi14:42:243:21:108:238:35
8:35
#17645
40K
24.85 mi14:49:573:28:438:247:33
8:50
#17627
25.2M
25.20 mi14:53:163:32:028:253:19
9:38
#17611
FINISH
26.22 mi15:02:073:40:538:268:51
8:42
#17674
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 mi183836729672918268(Top 63%)6619(Top 53%)6619(Top 696%)
10K6.21 mi3.10 mi18664-2816866-1376866-13718934(Top 65%)6987(Top 56%)6987(Top 735%)
15K9.32 mi3.11 mi18544+1206782+846782+8418268(Top 63%)6619(Top 53%)6619(Top 696%)
20K12.43 mi3.11 mi18266+2786636+1466636+14617481(Top 60%)6210(Top 49%)6210(Top 653%)
HALF13.11 mi0.68 mi18239+276620+166620+1617783(Top 61%)6360(Top 51%)6360(Top 669%)
25K15.53 mi2.42 mi18082+1576540+806540+8017373(Top 60%)6213(Top 49%)6213(Top 653%)
30K18.64 mi3.11 mi17742+3406383+1576383+15716350(Top 56%)5720(Top 45%)5720(Top 601%)
20M20.00 mi1.36 mi17650+926353+306353+3016822(Top 58%)6105(Top 49%)6105(Top 642%)
21M21.00 mi1.00 mi17695-456394-416394-4118446(Top 64%)7031(Top 56%)7031(Top 739%)
35K21.75 mi0.75 mi17641+546378+166378+1616948(Top 58%)6302(Top 50%)6302(Top 663%)
23M23.00 mi1.25 mi17683-426436-586436-5818582(Top 64%)7259(Top 58%)7259(Top 763%)
24M24.00 mi1.00 mi17645+386429+76429+717404(Top 60%)6688(Top 53%)6688(Top 703%)
40K24.85 mi0.85 mi17627+186433-46433-417576(Top 61%)6822(Top 54%)6822(Top 717%)
25.2M25.20 mi0.35 mi17611+166437-46437-417919(Top 62%)6982(Top 56%)6982(Top 734%)
FINISH26.22 mi1.02 mi17674-636495-586495-5819095(Top 66%)7616(Top 61%)7616(Top 801%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18268

Females

6619

F55-59

6619

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18934

Females

6987

F55-59

6987

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18268

Females

6619

F55-59

6619

15K→20K

9.3 - 12.4 mi

Top 60%
×5
+106ft-86ft

Overall

17481

Females

6210

F55-59

6210

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17783

Females

6360

F55-59

6360

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17373

Females

6213

F55-59

6213

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16350

Females

5720

F55-59

5720

30K→20M

18.6 - 20.0 mi

Top 58%
×5
+64ft-50ft

Overall

16822

Females

6105

F55-59

6105

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18446

Females

7031

F55-59

7031

21M→35K

21.0 - 21.8 mi

Top 58%
×7
+17ft-86ft

Overall

16948

Females

6302

F55-59

6302

35K→23M

21.8 - 23.0 mi

Top 64%
×5
+23ft-63ft

Overall

18582

Females

7259

F55-59

7259

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17404

Females

6688

F55-59

6688

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17576

Females

6822

F55-59

6822

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1
+13ft-16ft

Overall

17919

Females

6982

F55-59

6982

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19095

Females

7616

F55-59

7616

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1955*
Passed By
1007
Net Change
+709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18383
5K → 10K158200-281#18383#18664
10K → 15K234*114+120#18664#18544
15K → 20K322*44+278#18544#18266
20K → HALF4417+27#18266#18239
HALF → 25K19841+157#18239#18082
25K → 30K378*38+340#18082#17742
30K → 20M13644+92#17742#17650
20M → 21M65110-45#17650#17695
21M → 35K8430+54#17695#17641
35K → 23M81123-42#17641#17683
23M → 24M7941+38#17683#17645
24M → 40K8769+18#17645#17627
40K → 25.2M4529+16#17627#17611
25.2M → FINISH44107-63#17611#17674
TOTALS1955*1007+709

* 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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