Boston Marathon logo
BOSTON MARATHON 2025

Kristin Jeppson

Bib: 23721•F

UT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F50-54)
#0 / 1303
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:28
Rank: #19997
Start → 5K
8:31/mi
26:28 split
10K· 6.21 mi
52:51
Rank: #19872 (+125)
5K → 10K
8:30/mi
26:23 split
15K· 9.32 mi
1:19:19
Rank: #19736 (+136)
10K → 15K
8:31/mi
26:28 split
20K· 12.43 mi
1:45:59
Rank: #19453 (+283)
15K → 20K
8:35/mi
26:40 split
Half· 13.11 mi
1:51:48
Rank: #19451 (+2)
20K → Half
8:32/mi
5:49 split
25K· 15.53 mi
2:13:35
Rank: #19508 (-57)
Half → 25K
8:59/mi
21:47 split
30K· 18.64 mi
2:41:16
Rank: #19052 (+456)
25K → 30K
8:55/mi
27:41 split
20M
2:53:37
Rank: #18910 (+142)
30K → 20M
9:05/mi
12:21 split
21M
3:03:37
Rank: #18867 (+43)
20M → 21M
10:00/mi
10:00 split
35K· 21.75 mi
3:10:25
Rank: #18858 (+9)
21M → 35K
9:05/mi
6:48 split
23M
3:22:17
Rank: #18837 (+21)
35K → 23M
9:29/mi
11:52 split
24M
3:31:37
Rank: #18860 (-23)
23M → 24M
9:20/mi
9:20 split
40K· 24.85 mi
3:39:57
Rank: #18888 (-28)
24M → 40K
9:45/mi
8:20 split
25.2M
3:43:30
Rank: #18887 (+1)
40K → 25.2M
10:18/mi
3:33 split
Finish· 26.22 mi
3:52:16
Rank: #18799 (+88)
25.2M → Finish
8:36/mi
8:46 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0226:288:3126:28
8:31
-
10K
6.21 mi11:52:2552:518:3026:23
8:30
-0:01
15K
9.32 mi12:18:531:19:198:3126:28
8:31
+0:01
20K
12.43 mi12:45:331:45:598:3226:40
8:35
+0:04
Half
13.11 mi12:51:221:51:488:325:49
8:32
-0:03
25K
15.53 mi13:13:092:13:358:3621:47
8:59
+0:27
30K
18.64 mi13:40:502:41:168:3927:41
8:55
-0:04
20M
20.00 mi13:53:112:53:378:4112:21
9:05
+0:10
21M
21.00 mi14:03:113:03:378:4510:00
10:00
+0:55
35K
21.75 mi14:09:593:10:258:456:48
9:05
-0:55
23M
23.00 mi14:21:513:22:178:4811:52
9:29
+0:24
24M
24.00 mi14:31:113:31:378:499:20
9:20
-0:09
40K
24.85 mi14:39:313:39:578:518:20
9:45
+0:25
25.2M
25.20 mi14:43:043:43:308:523:33
10:18
+0:33
Finish
26.22 mi14:51:503:52:168:528:46
8:36
-1:42

Checkpoints & Pacing

📈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

8:30 /mi

Average Pace

8:52 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:34

52% of race

Time at Steady Pace

1:08:37

30% of race

Time at Slower Pace

43:05

19% of race

Average Pace: 8:52 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:26:0226:288:3126:28
8:31
#19997
10K
6.21 mi11:52:2552:518:3026:23
8:30
#19872
15K
9.32 mi12:18:531:19:198:3126:28
8:31
#19736
20K
12.43 mi12:45:331:45:598:3226:40
8:35
#19453
Half
13.11 mi12:51:221:51:488:325:49
8:32
#19451
25K
15.53 mi13:13:092:13:358:3621:47
8:59
#19508
30K
18.64 mi13:40:502:41:168:3927:41
8:55
#19052
20M
20.00 mi13:53:112:53:378:4112:21
9:05
#18910
21M
21.00 mi14:03:113:03:378:4510:00
10:00
#18867
35K
21.75 mi14:09:593:10:258:456:48
9:05
#18858
23M
23.00 mi14:21:513:22:178:4811:52
9:29
#18837
24M
24.00 mi14:31:113:31:378:499:20
9:20
#18860
40K
24.85 mi14:39:313:39:578:518:20
9:45
#18888
25.2M
25.20 mi14:43:043:43:308:523:33
10:18
#18887
Finish
26.22 mi14:51:503:52:168:528:46
8:36
#18799
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi199977501750119447(Top 68%)7141(Top 58%)7141(Top 548%)
10K6.21 mi3.10 mi19872+1257397+1047397+10419754(Top 70%)7334(Top 60%)7334(Top 563%)
15K9.32 mi3.11 mi19736+1367316+817316+8119447(Top 68%)7141(Top 58%)7141(Top 548%)
20K12.43 mi3.11 mi19453+2837156+1607156+16018762(Top 66%)6782(Top 55%)6782(Top 520%)
Half13.11 mi0.68 mi19451+27162-67162-619416(Top 68%)7137(Top 58%)7137(Top 548%)
25K15.53 mi2.42 mi19508-577203-417203-4119828(Top 70%)7430(Top 61%)7430(Top 570%)
30K18.64 mi3.11 mi19052+4566991+2126991+21217224(Top 61%)6150(Top 50%)6150(Top 472%)
20M20.00 mi1.36 mi18910+1426924+676924+6717276(Top 61%)6300(Top 52%)6300(Top 483%)
21M21.00 mi1.00 mi18867+436930-66930-618305(Top 64%)6952(Top 57%)6952(Top 534%)
35K21.75 mi0.75 mi18858+96945-156945-1518685(Top 66%)7293(Top 60%)7293(Top 560%)
23M23.00 mi1.25 mi18837+216960-156960-1518597(Top 65%)7290(Top 60%)7290(Top 559%)
24M24.00 mi1.00 mi18860-236993-336993-3318977(Top 67%)7532(Top 62%)7532(Top 578%)
40K24.85 mi0.85 mi18888-287037-447037-4419638(Top 69%)7959(Top 65%)7959(Top 611%)
25.2M25.20 mi0.35 mi18887+17040-37040-318305(Top 64%)7293(Top 60%)7293(Top 560%)
Finish26.22 mi1.02 mi18799+887017+237017+2316891(Top 59%)6513(Top 53%)6513(Top 500%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19447

Females

7141

F50-54

7141

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19754

Females

7334

F50-54

7334

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19447

Females

7141

F50-54

7141

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18762

Females

6782

F50-54

6782

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19416

Females

7137

F50-54

7137

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19828

Females

7430

F50-54

7430

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17224

Females

6150

F50-54

6150

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17276

Females

6300

F50-54

6300

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18305

Females

6952

F50-54

6952

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18685

Females

7293

F50-54

7293

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18597

Females

7290

F50-54

7290

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

18977

Females

7532

F50-54

7532

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19638

Females

7959

F50-54

7959

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18305

Females

7293

F50-54

7293

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16891

Females

6513

F50-54

6513

Passing Analysis

Category:
Athletes Passed
2367
Passed By
1169
Net Change
+1198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19997
5K → 10K352227+125#19997#19872
10K → 15K256120+136#19872#19736
15K → 20K35370+283#19736#19453
20K → Half3230+2#19453#19451
Half → 25K150207-57#19451#19508
25K → 30K49236+456#19508#19052
30K → 20M17230+142#19052#18910
20M → 21M12683+43#18910#18867
21M → 35K5849+9#18867#18858
35K → 23M11190+21#18858#18837
23M → 24M5881-23#18837#18860
24M → 40K6391-28#18860#18888
40K → 25.2M3029+1#18888#18887
25.2M → Finish11426+88#18887#18799
TOTALS23671169+1198
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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