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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Karen Sibson

Bib: 24442 •F •Age: N/A

MI

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 47%
Age Group (F55-59)
#0 / 951
Top 26%
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
26:11
3.11 mi
Rank: #19677
Start → 5K
26:11 | 8:26/mi
10K
51:48
6.21 mi
Rank: #19252 (+425)
5K → 10K
25:37 | 8:15/mi
15K
1:17:46
9.32 mi
Rank: #19259 (-7)
10K → 15K
25:58 | 8:22/mi
20K
1:44:03
12.43 mi
Rank: #19214 (+45)
15K → 20K
26:17 | 8:28/mi
HALF
1:49:48
13.11 mi
Rank: #19243 (-29)
20K → HALF
5:45 | 8:27/mi
25K
2:10:45
15.53 mi
Rank: #19248 (-5)
HALF → 25K
20:57 | 8:39/mi
30K
2:38:00
18.64 mi
Rank: #19058 (+190)
25K → 30K
27:15 | 8:47/mi
20M
2:50:04
20.00 mi
Rank: #19004 (+54)
30K → 20M
12:04 | 8:54/mi
21M
2:59:34
21.00 mi
Rank: #18982 (+22)
20M → 21M
9:30 | 9:30/mi
35K
3:05:58
21.75 mi
Rank: #18923 (+59)
21M → 35K
6:24 | 8:34/mi
23M
3:17:10
23.00 mi
Rank: #18867 (+56)
35K → 23M
11:12 | 8:57/mi
24M
3:25:58
24.00 mi
Rank: #18842 (+25)
23M → 24M
8:48 | 8:48/mi
40K
3:33:27
24.85 mi
Rank: #18772 (+70)
24M → 40K
7:29 | 8:46/mi
25.2M
3:36:42
25.20 mi
Rank: #18742 (+30)
40K → 25.2M
3:15 | 9:26/mi
FINISH
3:45:19
26.22 mi
Rank: #18702 (+40)
25.2M → FINISH
8:37 | 8:28/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
Time1:49:48
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:55:31
Pace8:49 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:5626:118:2626:11
8:26
-
10K
6.21 mi11:56:3351:488:2125:37
8:15
-0:11
15K
9.32 mi12:22:311:17:468:2125:58
8:22
+0:07
20K
12.43 mi12:48:481:44:038:2326:17
8:28
+0:06
HALF
13.11 mi12:54:331:49:488:235:45
8:27
-0:01
25K
15.53 mi13:15:302:10:458:2620:57
8:39
+0:12
30K
18.64 mi13:42:452:38:008:2927:15
8:47
+0:08
20M
20.00 mi13:54:492:50:048:3112:04
8:54
+0:07
21M
21.00 mi14:04:192:59:348:349:30
9:30
+0:36
35K
21.75 mi14:10:433:05:588:346:24
8:34
-0:56
23M
23.00 mi14:21:553:17:108:3511:12
8:57
+0:23
24M
24.00 mi14:30:433:25:588:358:48
8:48
-0:09
40K
24.85 mi14:38:123:33:278:367:29
8:46
-0:02
25.2M
25.20 mi14:41:273:36:428:363:15
9:26
+0:40
FINISH
26.22 mi14:50:043:45:198:368:37
8:28
-0:58

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

8:15 /mi

Average Pace

8:36 /mi

Slowest Pace

9:30 /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

3:32:34

94% of race

Time at Steady Pace

12:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:36 /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 mi11:30:5626:118:2626:11
8:26
#19677
10K
6.21 mi11:56:3351:488:2125:37
8:15
#19252
15K
9.32 mi12:22:311:17:468:2125:58
8:22
#19259
20K
12.43 mi12:48:481:44:038:2326:17
8:28
#19214
HALF
13.11 mi12:54:331:49:488:235:45
8:27
#19243
25K
15.53 mi13:15:302:10:458:2620:57
8:39
#19248
30K
18.64 mi13:42:452:38:008:2927:15
8:47
#19058
20M
20.00 mi13:54:492:50:048:3112:04
8:54
#19004
21M
21.00 mi14:04:192:59:348:349:30
9:30
#18982
35K
21.75 mi14:10:433:05:588:346:24
8:34
#18923
23M
23.00 mi14:21:553:17:108:3511:12
8:57
#18867
24M
24.00 mi14:30:433:25:588:358:48
8:48
#18842
40K
24.85 mi14:38:123:33:278:367:29
8:46
#18772
25.2M
25.20 mi14:41:273:36:428:363:15
9:26
#18742
FINISH
26.22 mi14:50:043:45:198:368:37
8:28
#18702
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 mi196777458745819347(Top 67%)7233(Top 58%)7233(Top 761%)
10K6.21 mi3.10 mi19252+4257204+2547204+25418850(Top 65%)6945(Top 55%)6945(Top 730%)
15K9.32 mi3.11 mi19259-77199+57199+519347(Top 67%)7233(Top 58%)7233(Top 761%)
20K12.43 mi3.11 mi19214+457177+227177+2219074(Top 66%)7112(Top 57%)7112(Top 748%)
HALF13.11 mi0.68 mi19243-297196-197196-1919889(Top 69%)7516(Top 60%)7516(Top 790%)
25K15.53 mi2.42 mi19248-57212-167212-1619401(Top 67%)7347(Top 58%)7347(Top 773%)
30K18.64 mi3.11 mi19058+1907138+747138+7418424(Top 63%)6902(Top 55%)6902(Top 726%)
20M20.00 mi1.36 mi19004+547124+147124+1418406(Top 63%)6979(Top 55%)6979(Top 734%)
21M21.00 mi1.00 mi18982+227124712418534(Top 64%)7083(Top 56%)7083(Top 745%)
35K21.75 mi0.75 mi18923+597113+117113+1117921(Top 62%)6855(Top 54%)6855(Top 721%)
23M23.00 mi1.25 mi18867+567096+177096+1718273(Top 63%)7101(Top 56%)7101(Top 747%)
24M24.00 mi1.00 mi18842+257102-67102-618537(Top 64%)7261(Top 58%)7261(Top 764%)
40K24.85 mi0.85 mi18772+707082+207082+2017167(Top 59%)6609(Top 53%)6609(Top 695%)
25.2M25.20 mi0.35 mi18742+307069+137069+1317026(Top 59%)6532(Top 52%)6532(Top 687%)
FINISH26.22 mi1.02 mi18702+407062+77062+717949(Top 62%)7028(Top 56%)7028(Top 739%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19347

Females

7233

F55-59

7233

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18850

Females

6945

F55-59

6945

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19347

Females

7233

F55-59

7233

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19074

Females

7112

F55-59

7112

20K→HALF

12.4 - 13.1 mi

Top 69%
×2
+19ft-37ft

Overall

19889

Females

7516

F55-59

7516

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19401

Females

7347

F55-59

7347

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18424

Females

6902

F55-59

6902

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18406

Females

6979

F55-59

6979

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18534

Females

7083

F55-59

7083

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17921

Females

6855

F55-59

6855

35K→23M

21.8 - 23.0 mi

Top 63%
×5
+23ft-63ft

Overall

18273

Females

7101

F55-59

7101

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18537

Females

7261

F55-59

7261

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17167

Females

6609

F55-59

6609

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1
+13ft-16ft

Overall

17026

Females

6532

F55-59

6532

25.2M→FINISH

25.2 - 26.2 mi

Top 62%
×2
+22ft-21ft

Overall

17949

Females

7028

F55-59

7028

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2000*
Passed By
1025
Net Change
+975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19677
5K → 10K549*124+425#19677#19252
10K → 15K181188-7#19252#19259
15K → 20K160115+45#19259#19214
20K → HALF1948-29#19214#19243
HALF → 25K117122-5#19243#19248
25K → 30K282*92+190#19248#19058
30K → 20M11965+54#19058#19004
20M → 21M9573+22#19004#18982
21M → 35K8728+59#18982#18923
35K → 23M10549+56#18923#18867
23M → 24M7449+25#18867#18842
24M → 40K9828+70#18842#18772
40K → 25.2M388+30#18772#18742
25.2M → FINISH7636+40#18742#18702
TOTALS2000*1025+975

* 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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