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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katherine Somerville

Bib: 16805 •F •Age: N/A

CA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
27:02
3.11 mi
Rank: #21201
Start → 5K
27:02 | 8:43/mi
10K
52:58
6.21 mi
Rank: #20305 (+896)
5K → 10K
25:56 | 8:21/mi
15K
1:18:54
9.32 mi
Rank: #19947 (+358)
10K → 15K
25:56 | 8:21/mi
20K
1:44:31
12.43 mi
Rank: #19422 (+525)
15K → 20K
25:37 | 8:15/mi
HALF
1:49:56
13.11 mi
Rank: #19300 (+122)
20K → HALF
5:25 | 7:57/mi
25K
2:10:11
15.53 mi
Rank: #19044 (+256)
HALF → 25K
20:15 | 8:21/mi
30K
2:40:10
18.64 mi
Rank: #19739 (-695)
25K → 30K
29:59 | 9:40/mi
20M
2:51:23
20.00 mi
Rank: #19384 (+355)
30K → 20M
11:13 | 8:16/mi
21M
3:00:07
21.00 mi
Rank: #19122 (+262)
20M → 21M
8:44 | 8:44/mi
35K
3:06:06
21.75 mi
Rank: #18955 (+167)
21M → 35K
5:59 | 8:00/mi
23M
3:16:27
23.00 mi
Rank: #18686 (+269)
35K → 23M
10:21 | 8:17/mi
24M
3:25:04
24.00 mi
Rank: #18631 (+55)
23M → 24M
8:37 | 8:37/mi
40K
3:32:32
24.85 mi
Rank: #18572 (+59)
24M → 40K
7:28 | 8:44/mi
25.2M
3:35:36
25.20 mi
Rank: #18487 (+85)
40K → 25.2M
3:04 | 8:54/mi
FINISH
3:43:25
26.22 mi
Rank: #18277 (+210)
25.2M → FINISH
7:49 | 7:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:56
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:53:29
Pace8:40 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3227:028:4327:02
8:43
-
10K
6.21 mi11:34:2852:588:3225:56
8:21
-0:22
15K
9.32 mi12:00:241:18:548:2825:56
8:21
0:00
20K
12.43 mi12:26:011:44:318:2525:37
8:15
-0:06
HALF
13.11 mi12:31:261:49:568:245:25
7:57
-0:18
25K
15.53 mi12:51:412:10:118:2320:15
8:21
+0:24
30K
18.64 mi13:21:402:40:108:3629:59
9:40
+1:19
20M
20.00 mi13:32:532:51:238:3511:13
8:16
-1:24
21M
21.00 mi13:41:373:00:078:358:44
8:44
+0:28
35K
21.75 mi13:47:363:06:068:345:59
8:00
-0:44
23M
23.00 mi13:57:573:16:278:3310:21
8:17
+0:17
24M
24.00 mi14:06:343:25:048:338:37
8:37
+0:20
40K
24.85 mi14:14:023:32:328:347:28
8:44
+0:07
25.2M
25.20 mi14:17:063:35:368:343:04
8:54
+0:10
FINISH
26.22 mi14:24:553:43:258:327:49
7:41
-1:13

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

7:41 /mi

Average Pace

8:32 /mi

Slowest Pace

9:40 /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

19:13

9% of race

Time at Steady Pace

1:59:18

53% of race

Time at Slower Pace

1:24:54

38% of race

Average Pace: 8:31 /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 mi11:08:3227:028:4327:02
8:43
#21201
10K
6.21 mi11:34:2852:588:3225:56
8:21
#20305
15K
9.32 mi12:00:241:18:548:2825:56
8:21
#19947
20K
12.43 mi12:26:011:44:318:2525:37
8:15
#19422
HALF
13.11 mi12:31:261:49:568:245:25
7:57
#19300
25K
15.53 mi12:51:412:10:118:2320:15
8:21
#19044
30K
18.64 mi13:21:402:40:108:3629:59
9:40
#19739
20M
20.00 mi13:32:532:51:238:3511:13
8:16
#19384
21M
21.00 mi13:41:373:00:078:358:44
8:44
#19122
35K
21.75 mi13:47:363:06:068:345:59
8:00
#18955
23M
23.00 mi13:57:573:16:278:3310:21
8:17
#18686
24M
24.00 mi14:06:343:25:048:338:37
8:37
#18631
40K
24.85 mi14:14:023:32:328:347:28
8:44
#18572
25.2M
25.20 mi14:17:063:35:368:343:04
8:54
#18487
FINISH
26.22 mi14:24:553:43:258:327:49
7:41
#18277
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi212018280828019280(Top 66%)7197(Top 57%)7197(Top 126%)
10K6.21 mi3.10 mi20305+8967776+5047776+50419474(Top 67%)7300(Top 58%)7300(Top 128%)
15K9.32 mi3.11 mi19947+3587576+2007576+20019280(Top 66%)7197(Top 57%)7197(Top 126%)
20K12.43 mi3.11 mi19422+5257299+2777299+27717795(Top 61%)6398(Top 51%)6398(Top 112%)
HALF13.11 mi0.68 mi19300+1227230+697230+6916825(Top 58%)5832(Top 46%)5832(Top 102%)
25K15.53 mi2.42 mi19044+2567095+1357095+13517700(Top 61%)6397(Top 51%)6397(Top 112%)
30K18.64 mi3.11 mi19739-6957512-4177512-41722110(Top 76%)8820(Top 70%)8820(Top 154%)
20M20.00 mi1.36 mi19384+3557335+1777335+17714679(Top 51%)4877(Top 39%)4877(Top 85%)
21M21.00 mi1.00 mi19122+2627201+1347201+13414636(Top 50%)4940(Top 39%)4940(Top 86%)
35K21.75 mi0.75 mi18955+1677129+727129+7214556(Top 50%)4960(Top 39%)4960(Top 87%)
23M23.00 mi1.25 mi18686+2696993+1366993+13614317(Top 49%)4895(Top 39%)4895(Top 86%)
24M24.00 mi1.00 mi18631+556980+136980+1317598(Top 61%)6787(Top 54%)6787(Top 119%)
40K24.85 mi0.85 mi18572+596963+176963+1717050(Top 59%)6546(Top 52%)6546(Top 115%)
25.2M25.20 mi0.35 mi18487+856915+486915+4814199(Top 49%)5040(Top 40%)5040(Top 88%)
FINISH26.22 mi1.02 mi18277+2106819+966819+9612807(Top 44%)4303(Top 34%)4303(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19280

Females

7197

F18-39

7197

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19474

Females

7300

F18-39

7300

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19280

Females

7197

F18-39

7197

15K→20K

9.3 - 12.4 mi

Top 61%
×5
+106ft-86ft

Overall

17795

Females

6398

F18-39

6398

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16825

Females

5832

F18-39

5832

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17700

Females

6397

F18-39

6397

25K→30K

15.5 - 18.6 mi

Top 76%
×9
+181ft-148ft

Overall

22110

Females

8820

F18-39

8820

30K→20M

18.6 - 20.0 mi

Top 51%
×5
+64ft-50ft

Overall

14679

Females

4877

F18-39

4877

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14636

Females

4940

F18-39

4940

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14556

Females

4960

F18-39

4960

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14317

Females

4895

F18-39

4895

23M→24M

23.0 - 24.0 mi

Top 61%
×6
+12ft-82ft

Overall

17598

Females

6787

F18-39

6787

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17050

Females

6546

F18-39

6546

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1
+13ft-16ft

Overall

14199

Females

5040

F18-39

5040

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12807

Females

4303

F18-39

4303

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3907*
Passed By
431
Net Change
+2924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21201
5K → 10K958*62+896#21201#20305
10K → 15K411*53+358#20305#19947
15K → 20K539*14+525#19947#19422
20K → HALF1231+122#19422#19300
HALF → 25K275*19+256#19300#19044
25K → 30K57200-695#19044#19739
30K → 20M355*0+355#19739#19384
20M → 21M265*3+262#19384#19122
21M → 35K1703+167#19122#18955
35K → 23M272*3+269#18955#18686
23M → 24M9641+55#18686#18631
24M → 40K8324+59#18631#18572
40K → 25.2M883+85#18572#18487
25.2M → FINISH215*5+210#18487#18277
TOTALS3907*431+2924

* 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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Activity Data

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