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BOSTON MARATHON 2026

Kathryn Miller-Jensen

Bib: 21239•F

CT

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 48%
Gender (Female)
#0 / 12578
Top 35%
Masters (Masters Women)
#0 / 6862
Top 19%
Age Group (F50-54)
#0 / 1233
Top 12%
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
24:25
3.11 mi
Rank: #15930
Start → 5K
24:25 | 7:52/mi
10K
48:46
6.21 mi
Rank: #15892 (+38)
5K → 10K
24:21 | 7:51/mi
15K
1:13:07
9.32 mi
Rank: #15800 (+92)
10K → 15K
24:21 | 7:51/mi
20K
1:37:50
12.43 mi
Rank: #15767 (+33)
15K → 20K
24:43 | 7:58/mi
HALF
1:43:07
13.11 mi
Rank: #15724 (+43)
20K → HALF
5:17 | 7:46/mi
25K
2:02:20
15.53 mi
Rank: #15555 (+169)
HALF → 25K
19:13 | 7:56/mi
30K
2:26:58
18.64 mi
Rank: #15047 (+508)
25K → 30K
24:38 | 7:56/mi
20M
2:37:39
20.00 mi
Rank: #14781 (+266)
30K → 20M
10:41 | 7:52/mi
21M
2:45:43
21.00 mi
Rank: #14471 (+310)
20M → 21M
8:04 | 8:04/mi
35K
2:51:28
21.75 mi
Rank: #14367 (+104)
21M → 35K
5:45 | 7:42/mi
23M
3:01:33
23.00 mi
Rank: #14262 (+105)
35K → 23M
10:05 | 8:04/mi
24M
3:09:22
24.00 mi
Rank: #14161 (+101)
23M → 24M
7:49 | 7:49/mi
40K
3:16:07
24.85 mi
Rank: #14071 (+90)
24M → 40K
6:45 | 7:54/mi
25.2M
3:19:01
25.20 mi
Rank: #14015 (+56)
40K → 25.2M
2:54 | 8:25/mi
FINISH
3:26:42
26.22 mi
Rank: #13925 (+90)
25.2M → FINISH
7:41 | 7:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:43:07
Pace7:52 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:35
Pace7:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:5824:257:5224:25
7:52
-
10K
6.21 mi11:35:1948:467:5124:21
7:51
-0:01
15K
9.32 mi11:59:401:13:077:5124:21
7:51
0:00
20K
12.43 mi12:24:231:37:507:5324:43
7:58
+0:07
HALF
13.11 mi12:29:401:43:077:525:17
7:46
-0:12
25K
15.53 mi12:48:532:02:207:5319:13
7:56
+0:10
30K
18.64 mi13:13:312:26:587:5424:38
7:56
0:00
20M
20.00 mi13:24:122:37:397:5310:41
7:52
-0:04
21M
21.00 mi13:32:162:45:437:548:04
8:04
+0:12
35K
21.75 mi13:38:012:51:287:545:45
7:42
-0:22
23M
23.00 mi13:48:063:01:337:5410:05
8:04
+0:22
24M
24.00 mi13:55:553:09:227:547:49
7:49
-0:15
40K
24.85 mi14:02:403:16:077:546:45
7:54
+0:05
25.2M
25.20 mi14:05:343:19:017:542:54
8:25
+0:31
FINISH
26.22 mi14:13:153:26:427:547:41
7:33
-0:52

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

7:53 /mi

Slowest Pace

8:25 /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

3:23:48

99% of race

Time at Steady Pace

2:54

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi11:10:5824:257:5224:25
7:52
#15930
10K
6.21 mi11:35:1948:467:5124:21
7:51
#15892
15K
9.32 mi11:59:401:13:077:5124:21
7:51
#15800
20K
12.43 mi12:24:231:37:507:5324:43
7:58
#15767
HALF
13.11 mi12:29:401:43:077:525:17
7:46
#15724
25K
15.53 mi12:48:532:02:207:5319:13
7:56
#15555
30K
18.64 mi13:13:312:26:587:5424:38
7:56
#15047
20M
20.00 mi13:24:122:37:397:5310:41
7:52
#14781
21M
21.00 mi13:32:162:45:437:548:04
8:04
#14471
35K
21.75 mi13:38:012:51:287:545:45
7:42
#14367
23M
23.00 mi13:48:063:01:337:5410:05
8:04
#14262
24M
24.00 mi13:55:553:09:227:547:49
7:49
#14161
40K
24.85 mi14:02:403:16:077:546:45
7:54
#14071
25.2M
25.20 mi14:05:343:19:017:542:54
8:25
#14015
FINISH
26.22 mi14:13:153:26:427:547:41
7:33
#13925
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 mi159305264526415668(Top 54%)5149(Top 41%)5149(Top 418%)
10K6.21 mi3.10 mi15892+385257+75257+715958(Top 55%)5280(Top 42%)5280(Top 428%)
15K9.32 mi3.11 mi15800+925207+505207+5015668(Top 54%)5149(Top 41%)5149(Top 418%)
20K12.43 mi3.11 mi15767+335211-45211-415791(Top 54%)5258(Top 42%)5258(Top 426%)
HALF13.11 mi0.68 mi15724+435192+195192+1915195(Top 52%)4831(Top 38%)4831(Top 392%)
25K15.53 mi2.42 mi15555+1695104+885104+8814790(Top 51%)4747(Top 38%)4747(Top 385%)
30K18.64 mi3.11 mi15047+5084819+2854819+28512985(Top 45%)3836(Top 30%)3836(Top 311%)
20M20.00 mi1.36 mi14781+2664696+1234696+12311865(Top 41%)3341(Top 27%)3341(Top 271%)
21M21.00 mi1.00 mi14471+3104524+1724524+17210400(Top 36%)2697(Top 21%)2697(Top 219%)
35K21.75 mi0.75 mi14367+1044478+464478+4612280(Top 42%)3697(Top 29%)3697(Top 300%)
23M23.00 mi1.25 mi14262+1054451+274451+2712871(Top 44%)4076(Top 32%)4076(Top 331%)
24M24.00 mi1.00 mi14161+1014416+354416+3512470(Top 43%)3967(Top 32%)3967(Top 322%)
40K24.85 mi0.85 mi14071+904398+184398+1811791(Top 41%)3672(Top 29%)3672(Top 298%)
25.2M25.20 mi0.35 mi14015+564368+304368+3011143(Top 38%)3434(Top 27%)3434(Top 279%)
FINISH26.22 mi1.02 mi13925+904343+254343+2511790(Top 41%)3759(Top 30%)3759(Top 305%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21
+97ft-345ft

Overall

15668

Females

5149

F50-54

5149

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15958

Females

5280

F50-54

5280

10K→15K

6.2 - 9.3 mi

Top 54%
×3
+67ft-78ft

Overall

15668

Females

5149

F50-54

5149

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15791

Females

5258

F50-54

5258

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15195

Females

4831

F50-54

4831

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14790

Females

4747

F50-54

4747

25K→30K

15.5 - 18.6 mi

Top 45%
×9
+181ft-148ft

Overall

12985

Females

3836

F50-54

3836

30K→20M

18.6 - 20.0 mi

Top 41%
×5
+64ft-50ft

Overall

11865

Females

3341

F50-54

3341

20M→21M

20.0 - 21.0 mi

Top 36%
×8
+106ft-24ft

Overall

10400

Females

2697

F50-54

2697

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12280

Females

3697

F50-54

3697

35K→23M

21.8 - 23.0 mi

Top 44%
×5
+23ft-63ft

Overall

12871

Females

4076

F50-54

4076

23M→24M

23.0 - 24.0 mi

Top 43%
×6
+12ft-82ft

Overall

12470

Females

3967

F50-54

3967

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11791

Females

3672

F50-54

3672

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1
+13ft-16ft

Overall

11143

Females

3434

F50-54

3434

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11790

Females

3759

F50-54

3759

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2839
Passed By
834
Net Change
+2005
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15930
5K → 10K306268+38#15930#15892
10K → 15K254162+92#15892#15800
15K → 20K200167+33#15800#15767
20K → HALF6522+43#15767#15724
HALF → 25K22354+169#15724#15555
25K → 30K52517+508#15555#15047
30K → 20M2737+266#15047#14781
20M → 21M3111+310#14781#14471
21M → 35K11713+104#14471#14367
35K → 23M14641+105#14367#14262
23M → 24M13029+101#14262#14161
24M → 40K11020+90#14161#14071
40K → 25.2M648+56#14071#14015
25.2M → FINISH11525+90#14015#13925
TOTALS2839834+2005
📊

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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Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing