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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Kathryn Seyfarth

Bib: 18786 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 50%
Gender (Female)
#0 / 12578
Top 37%
Age Group (F18-39)
#0 / 5716
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
24:06
3.11 mi
Rank: #15077
Start → 5K
24:06 | 7:46/mi
10K
47:58
6.21 mi
Rank: #14801 (+276)
5K → 10K
23:52 | 7:41/mi
15K
1:12:09
9.32 mi
Rank: #14900 (-99)
10K → 15K
24:11 | 7:48/mi
20K
1:36:43
12.43 mi
Rank: #15021 (-121)
15K → 20K
24:34 | 7:55/mi
HALF
1:42:04
13.11 mi
Rank: #15067 (-46)
20K → HALF
5:21 | 7:51/mi
25K
2:01:46
15.53 mi
Rank: #15247 (-180)
HALF → 25K
19:42 | 8:08/mi
30K
2:27:08
18.64 mi
Rank: #15129 (+118)
25K → 30K
25:22 | 8:10/mi
20M
2:38:18
20.00 mi
Rank: #15052 (+77)
30K → 20M
11:10 | 8:14/mi
21M
2:46:44
21.00 mi
Rank: #14880 (+172)
20M → 21M
8:26 | 8:26/mi
35K
2:52:37
21.75 mi
Rank: #14814 (+66)
21M → 35K
5:53 | 7:52/mi
23M
3:02:42
23.00 mi
Rank: #14672 (+142)
35K → 23M
10:05 | 8:04/mi
24M
3:10:49
24.00 mi
Rank: #14662 (+10)
23M → 24M
8:07 | 8:07/mi
40K
3:17:43
24.85 mi
Rank: #14599 (+63)
24M → 40K
6:54 | 8:05/mi
25.2M
3:20:43
25.20 mi
Rank: #14570 (+29)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:28:24
26.22 mi
Rank: #14461 (+109)
25.2M → FINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:04
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:46:20
Pace8:07 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:1224:067:4624:06
7:46
-
10K
6.21 mi11:31:0447:587:4423:52
7:41
-0:05
15K
9.32 mi11:55:151:12:097:4524:11
7:48
+0:07
20K
12.43 mi12:19:491:36:437:4724:34
7:55
+0:07
HALF
13.11 mi12:25:101:42:047:485:21
7:51
-0:04
25K
15.53 mi12:44:522:01:467:5119:42
8:08
+0:17
30K
18.64 mi13:10:142:27:087:5425:22
8:10
+0:02
20M
20.00 mi13:21:242:38:187:5511:10
8:14
+0:04
21M
21.00 mi13:29:502:46:447:578:26
8:26
+0:12
35K
21.75 mi13:35:432:52:377:575:53
7:52
-0:34
23M
23.00 mi13:45:483:02:427:5710:05
8:04
+0:12
24M
24.00 mi13:53:553:10:497:588:07
8:07
+0:03
40K
24.85 mi14:00:493:17:437:586:54
8:05
-0:02
25.2M
25.20 mi14:03:493:20:437:583:00
8:42
+0:37
FINISH
26.22 mi14:11:303:28:247:587:41
7:33
-1:09

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

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

8:42 /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

3:16:58

95% of race

Time at Steady Pace

11:26

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:07:1224:067:4624:06
7:46
#15077
10K
6.21 mi11:31:0447:587:4423:52
7:41
#14801
15K
9.32 mi11:55:151:12:097:4524:11
7:48
#14900
20K
12.43 mi12:19:491:36:437:4724:34
7:55
#15021
HALF
13.11 mi12:25:101:42:047:485:21
7:51
#15067
25K
15.53 mi12:44:522:01:467:5119:42
8:08
#15247
30K
18.64 mi13:10:142:27:087:5425:22
8:10
#15129
20M
20.00 mi13:21:242:38:187:5511:10
8:14
#15052
21M
21.00 mi13:29:502:46:447:578:26
8:26
#14880
35K
21.75 mi13:35:432:52:377:575:53
7:52
#14814
23M
23.00 mi13:45:483:02:427:5710:05
8:04
#14672
24M
24.00 mi13:53:553:10:497:588:07
8:07
#14662
40K
24.85 mi14:00:493:17:437:586:54
8:05
#14599
25.2M
25.20 mi14:03:493:20:437:583:00
8:42
#14570
FINISH
26.22 mi14:11:303:28:247:587:41
7:33
#14461
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 mi150774735473515224(Top 52%)4878(Top 39%)4878(Top 85%)
10K6.21 mi3.10 mi14801+2764584+1514584+15114615(Top 50%)4467(Top 36%)4467(Top 78%)
15K9.32 mi3.11 mi14900-994669-854669-8515224(Top 52%)4878(Top 39%)4878(Top 85%)
20K12.43 mi3.11 mi15021-1214755-864755-8615397(Top 53%)5029(Top 40%)5029(Top 88%)
HALF13.11 mi0.68 mi15067-464783-284783-2815969(Top 55%)5304(Top 42%)5304(Top 93%)
25K15.53 mi2.42 mi15247-1804906-1234906-12316294(Top 56%)5582(Top 44%)5582(Top 98%)
30K18.64 mi3.11 mi15129+1184874+324874+3214704(Top 51%)4804(Top 38%)4804(Top 84%)
20M20.00 mi1.36 mi15052+774862+124862+1214411(Top 50%)4712(Top 37%)4712(Top 82%)
21M21.00 mi1.00 mi14880+1724790+724790+7212737(Top 44%)3922(Top 31%)3922(Top 69%)
35K21.75 mi0.75 mi14814+664761+294761+2913585(Top 47%)4417(Top 35%)4417(Top 77%)
23M23.00 mi1.25 mi14672+1424702+594702+5912877(Top 44%)4082(Top 32%)4082(Top 71%)
24M24.00 mi1.00 mi14662+104725-234725-2314555(Top 50%)5089(Top 40%)5089(Top 89%)
40K24.85 mi0.85 mi14599+634701+244701+2413006(Top 45%)4331(Top 34%)4331(Top 76%)
25.2M25.20 mi0.35 mi14570+294694+74694+712957(Top 45%)4345(Top 35%)4345(Top 76%)
FINISH26.22 mi1.02 mi14461+1094648+464648+4611795(Top 41%)3764(Top 30%)3764(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15224

Females

4878

F18-39

4878

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14615

Females

4467

F18-39

4467

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15224

Females

4878

F18-39

4878

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15397

Females

5029

F18-39

5029

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15969

Females

5304

F18-39

5304

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16294

Females

5582

F18-39

5582

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14704

Females

4804

F18-39

4804

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14411

Females

4712

F18-39

4712

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12737

Females

3922

F18-39

3922

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13585

Females

4417

F18-39

4417

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12877

Females

4082

F18-39

4082

23M→24M

23.0 - 24.0 mi

Top 50%
×6
+12ft-82ft

Overall

14555

Females

5089

F18-39

5089

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13006

Females

4331

F18-39

4331

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

12957

Females

4345

F18-39

4345

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11795

Females

3764

F18-39

3764

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2062*
Passed By
1257
Net Change
+616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15077
5K → 10K460*184+276#15077#14801
10K → 15K172200-99#14801#14900
15K → 20K131200-121#14900#15021
20K → HALF2167-46#15021#15067
HALF → 25K86200-180#15067#15247
25K → 30K260*142+118#15247#15129
30K → 20M13255+77#15129#15052
20M → 21M19624+172#15052#14880
21M → 35K8620+66#14880#14814
35K → 23M17331+142#14814#14672
23M → 24M7767+10#14672#14662
24M → 40K9229+63#14662#14599
40K → 25.2M4718+29#14599#14570
25.2M → FINISH12920+109#14570#14461
TOTALS2062*1257+616

* 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

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