All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Katherine Stark

Bib: 18103β€’F

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 26%
Masters (Masters Women)
#0 / 6862
Top 10%
Age Group (F40-44)
#0 / 1737
Top 23%
Race Day Weather
51Β°/41Β°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
23:39
3.11 mi
Rank: #13762
Start β†’ 5K
23:39 | 7:37/mi
10K
46:42
6.21 mi
Rank: #12977 (+785)
5K β†’ 10K
23:03 | 7:26/mi
15K
1:10:05
9.32 mi
Rank: #12978 (-1)
10K β†’ 15K
23:23 | 7:32/mi
20K
1:33:40
12.43 mi
Rank: #12915 (+63)
15K β†’ 20K
23:35 | 7:36/mi
HALF
1:38:45
13.11 mi
Rank: #12898 (+17)
20K β†’ HALF
5:05 | 7:28/mi
25K
1:57:19
15.53 mi
Rank: #12858 (+40)
HALF β†’ 25K
18:34 | 7:40/mi
30K
2:21:42
18.64 mi
Rank: #12726 (+132)
25K β†’ 30K
24:23 | 7:51/mi
20M
2:32:19
20.00 mi
Rank: #12597 (+129)
30K β†’ 20M
10:37 | 7:49/mi
21M
2:40:33
21.00 mi
Rank: #12531 (+66)
20M β†’ 21M
8:14 | 8:14/mi
35K
2:46:12
21.75 mi
Rank: #12463 (+68)
21M β†’ 35K
5:39 | 7:34/mi
23M
2:56:03
23.00 mi
Rank: #12394 (+69)
35K β†’ 23M
9:51 | 7:53/mi
24M
3:03:33
24.00 mi
Rank: #12263 (+131)
23M β†’ 24M
7:30 | 7:30/mi
40K
3:10:03
24.85 mi
Rank: #12123 (+140)
24M β†’ 40K
6:30 | 7:37/mi
25.2M
3:12:52
25.20 mi
Rank: #12076 (+47)
40K β†’ 25.2M
2:49 | 8:11/mi
FINISH
3:20:12
26.22 mi
Rank: #11916 (+160)
25.2M β†’ FINISH
7:20 | 7:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:45
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:41:27
Pace7:45 /mi
πŸ“ŠPositive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5623:397:3723:39
7:37
-
10K
6.21 mi11:28:5946:427:3123:03
7:26
-0:11
15K
9.32 mi11:52:221:10:057:3223:23
7:32
+0:06
20K
12.43 mi12:15:571:33:407:3323:35
7:36
+0:04
HALF
13.11 mi12:21:021:38:457:325:05
7:28
-0:08
25K
15.53 mi12:39:361:57:197:3418:34
7:40
+0:12
30K
18.64 mi13:03:592:21:427:3724:23
7:51
+0:11
20M
20.00 mi13:14:362:32:197:3710:37
7:49
-0:02
21M
21.00 mi13:22:502:40:337:398:14
8:14
+0:25
35K
21.75 mi13:28:292:46:127:395:39
7:34
-0:40
23M
23.00 mi13:38:202:56:037:409:51
7:53
+0:19
24M
24.00 mi13:45:503:03:337:397:30
7:30
-0:23
40K
24.85 mi13:52:203:10:037:396:30
7:37
+0:07
25.2M
25.20 mi13:55:093:12:527:402:49
8:11
+0:34
FINISH
26.22 mi14:02:293:20:127:397:20
7:12
-0:59

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

7:12 /mi

Average Pace

7:38 /mi

Slowest Pace

8:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

3:09:09

94% of race

Time at Steady Pace

11:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:05:5623:397:3723:39
7:37
#13762
10K
6.21 mi11:28:5946:427:3123:03
7:26
#12977
15K
9.32 mi11:52:221:10:057:3223:23
7:32
#12978
20K
12.43 mi12:15:571:33:407:3323:35
7:36
#12915
HALF
13.11 mi12:21:021:38:457:325:05
7:28
#12898
25K
15.53 mi12:39:361:57:197:3418:34
7:40
#12858
30K
18.64 mi13:03:592:21:427:3724:23
7:51
#12726
20M
20.00 mi13:14:362:32:197:3710:37
7:49
#12597
21M
21.00 mi13:22:502:40:337:398:14
8:14
#12531
35K
21.75 mi13:28:292:46:127:395:39
7:34
#12463
23M
23.00 mi13:38:202:56:037:409:51
7:53
#12394
24M
24.00 mi13:45:503:03:337:397:30
7:30
#12263
40K
24.85 mi13:52:203:10:037:396:30
7:37
#12123
25.2M
25.20 mi13:55:093:12:527:402:49
8:11
#12076
FINISH
26.22 mi14:02:293:20:127:397:20
7:12
#11916
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi137623934393413051(Top 45%)3608(Top 29%)3608(Top 208%)
10K6.21 mi3.10 mi12977+7853505+4293505+42912270(Top 42%)3121(Top 25%)3121(Top 180%)
15K9.32 mi3.11 mi12978-13527-223527-2213051(Top 45%)3608(Top 29%)3608(Top 208%)
20K12.43 mi3.11 mi12915+633520+73520+712763(Top 44%)3529(Top 28%)3529(Top 203%)
HALF13.11 mi0.68 mi12898+173514+63514+612701(Top 44%)3419(Top 27%)3419(Top 197%)
25K15.53 mi2.42 mi12858+403515-13515-112691(Top 44%)3539(Top 28%)3539(Top 204%)
30K18.64 mi3.11 mi12726+1323492+233492+2312341(Top 43%)3492(Top 28%)3492(Top 201%)
20M20.00 mi1.36 mi12597+1293459+333459+3311482(Top 40%)3138(Top 25%)3138(Top 181%)
21M21.00 mi1.00 mi12531+663439+203439+2011440(Top 39%)3220(Top 26%)3220(Top 185%)
35K21.75 mi0.75 mi12463+683416+233416+2311285(Top 39%)3151(Top 25%)3151(Top 181%)
23M23.00 mi1.25 mi12394+693396+203396+2011548(Top 40%)3374(Top 27%)3374(Top 194%)
24M24.00 mi1.00 mi12263+1313356+403356+4010132(Top 35%)2738(Top 22%)2738(Top 158%)
40K24.85 mi0.85 mi12123+1403309+473309+479650(Top 33%)2594(Top 21%)2594(Top 149%)
25.2M25.20 mi0.35 mi12076+473286+233286+239486(Top 33%)2603(Top 21%)2603(Top 150%)
FINISH26.22 mi1.02 mi11916+1603221+653221+659136(Top 31%)2446(Top 19%)2446(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
Γ—21
+97ft-345ft

Overall

13051

Females

3608

F40-44

3608

5K→10K

3.1 - 6.2 mi

Top 42%
Γ—5
+79ft-138ft

Overall

12270

Females

3121

F40-44

3121

10K→15K

6.2 - 9.3 mi

Top 45%
Γ—3
+67ft-78ft

Overall

13051

Females

3608

F40-44

3608

15K→20K

9.3 - 12.4 mi

Top 44%
Γ—5
+106ft-86ft

Overall

12763

Females

3529

F40-44

3529

20K→HALF

12.4 - 13.1 mi

Top 44%
Γ—2
+19ft-37ft

Overall

12701

Females

3419

F40-44

3419

HALF→25K

13.1 - 15.5 mi

Top 44%
Γ—4
+66ft-88ft

Overall

12691

Females

3539

F40-44

3539

25K→30K

15.5 - 18.6 mi

Top 43%
Γ—9
+181ft-148ft

Overall

12341

Females

3492

F40-44

3492

30K→20M

18.6 - 20.0 mi

Top 40%
Γ—5
+64ft-50ft

Overall

11482

Females

3138

F40-44

3138

20M→21M

20.0 - 21.0 mi

Top 39%
Γ—8
+106ft-24ft

Overall

11440

Females

3220

F40-44

3220

21M→35K

21.0 - 21.8 mi

Top 39%
Γ—7
+17ft-86ft

Overall

11285

Females

3151

F40-44

3151

35K→23M

21.8 - 23.0 mi

Top 40%
Γ—5
+23ft-63ft

Overall

11548

Females

3374

F40-44

3374

23M→24M

23.0 - 24.0 mi

Top 35%
Γ—6
+12ft-82ft

Overall

10132

Females

2738

F40-44

2738

24M→40K

24.0 - 24.9 mi

Top 33%
Γ—1
+6ft-20ft

Overall

9650

Females

2594

F40-44

2594

40K→25.2M

24.9 - 25.2 mi

Top 33%
Γ—1
+13ft-16ft

Overall

9486

Females

2603

F40-44

2603

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
Γ—2
+22ft-21ft

Overall

9136

Females

2446

F40-44

2446

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2652
Passed By
806
Net Change
+1846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#13762
5K β†’ 10K84762+785#13762#12977
10K β†’ 15K185186-1#12977#12978
15K β†’ 20K174111+63#12978#12915
20K β†’ HALF4326+17#12915#12898
HALF β†’ 25K155115+40#12898#12858
25K β†’ 30K238106+132#12858#12726
30K β†’ 20M16233+129#12726#12597
20M β†’ 21M11650+66#12597#12531
21M β†’ 35K8214+68#12531#12463
35K β†’ 23M11142+69#12463#12394
23M β†’ 24M15827+131#12394#12263
24M β†’ 40K15313+140#12263#12123
40K β†’ 25.2M536+47#12123#12076
25.2M β†’ FINISH17515+160#12076#11916
TOTALS2652806+1846
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

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.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing