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BOSTON MARATHON 2025

Katie Jensen

Bib: 23393•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #20739
Start → 5K
8:39/mi
26:52 split
10K· 6.21 mi
53:13
Rank: #20218 (+521)
5K → 10K
8:29/mi
26:21 split
15K· 9.32 mi
1:20:24
Rank: #20346 (-128)
10K → 15K
8:45/mi
27:11 split
20K· 12.43 mi
1:49:07
Rank: #20819 (-473)
15K → 20K
9:15/mi
28:43 split
Half· 13.11 mi
1:55:10
Rank: #20846 (-27)
20K → Half
8:52/mi
6:03 split
25K· 15.53 mi
2:16:45
Rank: #20643 (+203)
Half → 25K
8:54/mi
21:35 split
30K· 18.64 mi
2:46:08
Rank: #20424 (+219)
25K → 30K
9:27/mi
29:23 split
20M
2:58:59
Rank: #20326 (+98)
30K → 20M
9:27/mi
12:51 split
21M
3:08:38
Rank: #20103 (+223)
20M → 21M
9:39/mi
9:39 split
35K· 21.75 mi
3:14:59
Rank: #19953 (+150)
21M → 35K
8:29/mi
6:21 split
23M
3:26:01
Rank: #19694 (+259)
35K → 23M
8:49/mi
11:02 split
24M
3:34:36
Rank: #19517 (+177)
23M → 24M
8:35/mi
8:35 split
40K· 24.85 mi
3:42:37
Rank: #19454 (+63)
24M → 40K
9:23/mi
8:01 split
25.2M
3:46:07
Rank: #19426 (+28)
40K → 25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
3:54:50
Rank: #19297 (+129)
25.2M → Finish
8:33/mi
8:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:10
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time1:59:40
Pace9:08 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:4426:528:3926:52
8:39
-
10K
6.21 mi11:51:0553:138:3426:21
8:29
-0:10
15K
9.32 mi12:18:161:20:248:3827:11
8:45
+0:16
20K
12.43 mi12:46:591:49:078:4728:43
9:15
+0:30
Half
13.11 mi12:53:021:55:108:476:03
8:52
-0:23
25K
15.53 mi13:14:372:16:458:4821:35
8:54
+0:02
30K
18.64 mi13:44:002:46:088:5529:23
9:27
+0:33
20M
20.00 mi13:56:512:58:598:5712:51
9:27
0:00
21M
21.00 mi14:06:303:08:388:599:39
9:39
+0:12
35K
21.75 mi14:12:513:14:598:586:21
8:29
-1:10
23M
23.00 mi14:23:533:26:018:5711:02
8:49
+0:20
24M
24.00 mi14:32:283:34:368:578:35
8:35
-0:14
40K
24.85 mi14:40:293:42:378:578:01
9:23
+0:48
25.2M
25.20 mi14:43:593:46:078:583:30
10:09
+0:46
Finish
26.22 mi14:52:423:54:508:588:43
8:33
-1:36

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

8:29 /mi

Average Pace

8:58 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:26

73% of race

Time at Steady Pace

59:54

26% of race

Time at Slower Pace

3:30

1% of race

Average Pace: 8:57 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:24:4426:528:3926:52
8:39
#20739
10K
6.21 mi11:51:0553:138:3426:21
8:29
#20218
15K
9.32 mi12:18:161:20:248:3827:11
8:45
#20346
20K
12.43 mi12:46:591:49:078:4728:43
9:15
#20819
Half
13.11 mi12:53:021:55:108:476:03
8:52
#20846
25K
15.53 mi13:14:372:16:458:4821:35
8:54
#20643
30K
18.64 mi13:44:002:46:088:5529:23
9:27
#20424
20M
20.00 mi13:56:512:58:598:5712:51
9:27
#20326
21M
21.00 mi14:06:303:08:388:599:39
9:39
#20103
35K
21.75 mi14:12:513:14:598:586:21
8:29
#19953
23M
23.00 mi14:23:533:26:018:5711:02
8:49
#19694
24M
24.00 mi14:32:283:34:368:578:35
8:35
#19517
40K
24.85 mi14:40:293:42:378:578:01
9:23
#19454
25.2M
25.20 mi14:43:593:46:078:583:30
10:09
#19426
Finish
26.22 mi14:52:423:54:508:588:43
8:33
#19297
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207397935793520762(Top 73%)7863(Top 64%)7863(Top 603%)
10K6.21 mi3.10 mi20218+5217603+3327603+33219702(Top 69%)7306(Top 60%)7306(Top 561%)
15K9.32 mi3.11 mi20346-1287667-647667-6420762(Top 73%)7863(Top 64%)7863(Top 603%)
20K12.43 mi3.11 mi20819-4737936-2697936-26922052(Top 78%)8612(Top 70%)8612(Top 661%)
Half13.11 mi0.68 mi20846-277949-137949-1321238(Top 75%)8152(Top 67%)8152(Top 626%)
25K15.53 mi2.42 mi20643+2037844+1057844+10519452(Top 68%)7229(Top 59%)7229(Top 555%)
30K18.64 mi3.11 mi20424+2197778+667778+6619764(Top 70%)7534(Top 62%)7534(Top 578%)
20M20.00 mi1.36 mi20326+987737+417737+4119009(Top 67%)7268(Top 59%)7268(Top 558%)
21M21.00 mi1.00 mi20103+2237639+987639+9816815(Top 59%)6164(Top 50%)6164(Top 473%)
35K21.75 mi0.75 mi19953+1507562+777562+7715462(Top 54%)5518(Top 45%)5518(Top 423%)
23M23.00 mi1.25 mi19694+2597447+1157447+11515217(Top 54%)5457(Top 45%)5457(Top 419%)
24M24.00 mi1.00 mi19517+1777371+767371+7615112(Top 53%)5453(Top 45%)5453(Top 418%)
40K24.85 mi0.85 mi19454+637352+197352+1918204(Top 64%)7228(Top 59%)7228(Top 555%)
25.2M25.20 mi0.35 mi19426+287345+77345+717748(Top 62%)7000(Top 57%)7000(Top 537%)
Finish26.22 mi1.02 mi19297+1297292+537292+5316611(Top 58%)6369(Top 52%)6369(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20762

Females

7863

F50-54

7863

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

19702

Females

7306

F50-54

7306

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20762

Females

7863

F50-54

7863

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22052

Females

8612

F50-54

8612

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21238

Females

8152

F50-54

8152

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

19452

Females

7229

F50-54

7229

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19764

Females

7534

F50-54

7534

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19009

Females

7268

F50-54

7268

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16815

Females

6164

F50-54

6164

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15462

Females

5518

F50-54

5518

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15217

Females

5457

F50-54

5457

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15112

Females

5453

F50-54

5453

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18204

Females

7228

F50-54

7228

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17748

Females

7000

F50-54

7000

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16611

Females

6369

F50-54

6369

Passing Analysis

Category:
Athletes Passed
2709
Passed By
1267
Net Change
+1442
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20739
5K → 10K636115+521#20739#20218
10K → 15K143271-128#20218#20346
15K → 20K80553-473#20346#20819
20K → Half1340-27#20819#20846
Half → 25K26360+203#20846#20643
25K → 30K328109+219#20643#20424
30K → 20M14345+98#20424#20326
20M → 21M23411+223#20326#20103
21M → 35K1533+150#20103#19953
35K → 23M2634+259#19953#19694
23M → 24M1803+177#19694#19517
24M → 40K9330+63#19517#19454
40K → 25.2M4416+28#19454#19426
25.2M → Finish1367+129#19426#19297
TOTALS27091267+1442
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing