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BOSTON MARATHON 2025

Jan Jensen

Bib: 25122•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:23/mi
29:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:38/mi
59:03
↑ 79↓ 1380.4%
15K· 9.32 mi
9:46/mi
1:29:25
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
2:00:27
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:07:13
↑ 19↓ 370.5%
25K· 15.53 mi
11:07/mi
2:34:09
↑ 66↓ 880.2%
30K· 18.64 mi
11:58/mi
3:11:19
↑ 181↓ 1480.2%
20M
14:36/mi
3:31:09
↑ 64↓ 500.2%
21M
15:02/mi
3:46:11
↑ 106↓ 241.6%
35K· 21.75 mi
12:07/mi
3:55:15
↑ 17↓ 861.7%
23M
13:06/mi
4:11:39
↑ 23↓ 630.6%
24M
12:15/mi
4:23:54
↓ 821.3%
40K· 24.85 mi
14:42/mi
4:36:28
↓ 200.3%
25.2M
14:10/mi
4:41:21
↑ 13↓ 160.2%
Finish· 26.22 mi
11:21/mi
4:52:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:13
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:45:42
Pace12:38 /mi
📊Positive Split: 30.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4829:089:2329:08
9:23
-
10K
6.21 mi11:59:4359:039:3029:55
9:38
+0:15
15K
9.32 mi12:30:051:29:259:3630:22
9:46
+0:08
20K
12.43 mi13:01:072:00:279:4231:02
9:59
+0:13
Half
13.11 mi13:07:532:07:139:426:46
9:55
-0:04
25K
15.53 mi13:34:492:34:099:5526:56
11:07
+1:12
30K
18.64 mi14:11:593:11:1910:1637:10
11:58
+0:51
20M
20.00 mi14:31:493:31:0910:3319:50
14:36
+2:38
21M
21.00 mi14:46:513:46:1110:4615:02
15:02
+0:26
35K
21.75 mi14:55:553:55:1510:499:04
12:07
-2:55
23M
23.00 mi15:12:194:11:3910:5616:24
13:06
+0:59
24M
24.00 mi15:24:344:23:5411:0012:15
12:15
-0:51
40K
24.85 mi15:37:084:36:2811:0712:34
14:42
+2:27
25.2M
25.20 mi15:42:014:41:2111:104:53
14:10
-0:32
Finish
26.22 mi15:53:354:52:5511:1111:34
11:21
-2:49

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

9:23 /mi

Average Pace

11:11 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:13

43% of race

Time at Steady Pace

1:36:59

33% of race

Time at Slower Pace

1:08:43

23% of race

Average Pace: 11:10 /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 mi11:29:4829:089:2329:08
9:23
#23825
10K
6.21 mi11:59:4359:039:3029:55
9:38
#24186
15K
9.32 mi12:30:051:29:259:3630:22
9:46
#24303
20K
12.43 mi13:01:072:00:279:4231:02
9:59
#24284
Half
13.11 mi13:07:532:07:139:426:46
9:55
#24302
25K
15.53 mi13:34:492:34:099:5526:56
11:07
#24550
30K
18.64 mi14:11:593:11:1910:1637:10
11:58
#24797
20M
20.00 mi14:31:493:31:0910:3319:50
14:36
#25171
21M
21.00 mi14:46:513:46:1110:4615:02
15:02
#25339
35K
21.75 mi14:55:553:55:1510:499:04
12:07
#25376
23M
23.00 mi15:12:194:11:3910:5616:24
13:06
#25460
24M
24.00 mi15:24:344:23:5411:0012:15
12:15
#25506
40K
24.85 mi15:37:084:36:2811:0712:34
14:42
#25676
25.2M
25.20 mi15:42:014:41:2111:104:53
14:10
#25694
Finish
26.22 mi15:53:354:52:5511:1111:34
11:21
#25719
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi238259602960224489(Top 86%)9951(Top 81%)9951(Top 1001%)
10K6.21 mi3.10 mi24186-3619791-1899791-18924424(Top 86%)9928(Top 81%)9928(Top 999%)
15K9.32 mi3.11 mi24303-1179844-539844-5324489(Top 86%)9951(Top 81%)9951(Top 1001%)
20K12.43 mi3.11 mi24284+199852-89852-824193(Top 85%)9827(Top 80%)9827(Top 989%)
Half13.11 mi0.68 mi24302-189870-189870-1824636(Top 87%)10083(Top 82%)10083(Top 1014%)
25K15.53 mi2.42 mi24550-24810005-13510005-13525355(Top 89%)10491(Top 86%)10491(Top 1055%)
30K18.64 mi3.11 mi24797-24710171-16610171-16625542(Top 90%)10700(Top 88%)10700(Top 1076%)
20M20.00 mi1.36 mi25171-37410393-22210393-22227682(Top 97%)11906(Top 97%)11906(Top 1198%)
21M21.00 mi1.00 mi25339-16810496-10310496-10327171(Top 96%)11656(Top 95%)11656(Top 1173%)
35K21.75 mi0.75 mi25376-3710532-3610532-3626013(Top 92%)11103(Top 91%)11103(Top 1117%)
23M23.00 mi1.25 mi25460-8410589-5710589-5726493(Top 93%)11344(Top 93%)11344(Top 1141%)
24M24.00 mi1.00 mi25506-4610618-2910618-2925975(Top 91%)11120(Top 91%)11120(Top 1119%)
40K24.85 mi0.85 mi25676-17010726-10810726-10827617(Top 97%)11928(Top 98%)11928(Top 1200%)
25.2M25.20 mi0.35 mi25694-1810736-1010736-1026426(Top 93%)11392(Top 93%)11392(Top 1146%)
Finish26.22 mi1.02 mi25719-2510756-2010756-2025918(Top 91%)11111(Top 91%)11111(Top 1118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

24489

Females

9951

F55-59

9951

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24424

Females

9928

F55-59

9928

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

24489

Females

9951

F55-59

9951

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24193

Females

9827

F55-59

9827

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24636

Females

10083

F55-59

10083

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25355

Females

10491

F55-59

10491

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25542

Females

10700

F55-59

10700

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27682

Females

11906

F55-59

11906

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27171

Females

11656

F55-59

11656

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

26013

Females

11103

F55-59

11103

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26493

Females

11344

F55-59

11344

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25975

Females

11120

F55-59

11120

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27617

Females

11928

F55-59

11928

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26426

Females

11392

F55-59

11392

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25918

Females

11111

F55-59

11111

Passing Analysis

Category:
Athletes Passed
603
Passed By
2497
Net Change
-1894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23825
5K → 10K108469-361#23825#24186
10K → 15K102219-117#24186#24303
15K → 20K149130+19#24303#24284
20K → Half1735-18#24284#24302
Half → 25K44292-248#24302#24550
25K → 30K64311-247#24550#24797
30K → 20M7381-374#24797#25171
20M → 21M11179-168#25171#25339
21M → 35K1855-37#25339#25376
35K → 23M19103-84#25376#25460
23M → 24M3076-46#25460#25506
24M → 40K6176-170#25506#25676
40K → 25.2M725-18#25676#25694
25.2M → Finish2146-25#25694#25719
TOTALS6032497-1894
📊

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