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BOSTON MARATHON 2025

Janet Winslow

Bib: 22901•F

OH

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
26:22
Rank: #19825
Start → 5K
26:22 | 8:29/mi
10K· 6.21 mi
53:28
Rank: #20423 (-598)
5K → 10K
27:06 | 8:43/mi
15K· 9.32 mi
1:23:13
Rank: #21956 (-1533)
10K → 15K
29:45 | 9:35/mi
20K· 12.43 mi
1:52:10
Rank: #22045 (-89)
15K → 20K
28:57 | 9:19/mi
Half· 13.11 mi
1:58:21
Rank: #22044 (+1)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:21:47
Rank: #22136 (-92)
Half → 25K
23:26 | 9:40/mi
30K· 18.64 mi
2:53:10
Rank: #22127 (+9)
25K → 30K
31:23 | 10:06/mi
20M
3:07:03
Rank: #22091 (+36)
30K → 20M
13:53 | 10:13/mi
21M
3:18:54
Rank: #22153 (-62)
20M → 21M
11:51 | 11:51/mi
35K· 21.75 mi
3:26:34
Rank: #22177 (-24)
21M → 35K
7:40 | 10:15/mi
23M
3:39:21
Rank: #22088 (+89)
35K → 23M
12:47 | 10:13/mi
24M
3:49:19
Rank: #22038 (+50)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
3:57:54
Rank: #21975 (+63)
24M → 40K
8:35 | 10:02/mi
25.2M
4:01:45
Rank: #21951 (+24)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:10:56
Rank: #21848 (+103)
25.2M → Finish
9:11 | 9:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:21
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:12:35
Pace10:07 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5926:228:2926:22
8:29
-
10K
6.21 mi11:50:0553:288:3627:06
8:43
+0:14
15K
9.32 mi12:19:501:23:138:5629:45
9:35
+0:52
20K
12.43 mi12:48:471:52:109:0228:57
9:19
-0:16
Half
13.11 mi12:54:581:58:219:026:11
9:04
-0:15
25K
15.53 mi13:18:242:21:479:0823:26
9:40
+0:36
30K
18.64 mi13:49:472:53:109:1731:23
10:06
+0:26
20M
20.00 mi14:03:403:07:039:2113:53
10:13
+0:07
21M
21.00 mi14:15:313:18:549:2811:51
11:51
+1:38
35K
21.75 mi14:23:113:26:349:307:40
10:15
-1:36
23M
23.00 mi14:35:583:39:219:3212:47
10:13
-0:02
24M
24.00 mi14:45:563:49:199:339:58
9:58
-0:15
40K
24.85 mi14:54:313:57:549:348:35
10:02
+0:04
25.2M
25.20 mi14:58:224:01:459:363:51
11:10
+1:08
Finish
26.22 mi15:07:334:10:569:359:11
9:01
-2:09

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

9:35 /mi

Slowest Pace

11:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:47

39% of race

Time at Steady Pace

2:17:27

55% of race

Time at Slower Pace

15:42

6% of race

Average Pace: 9:34 /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 mi11:22:5926:228:2926:22
8:29
#19825
10K
6.21 mi11:50:0553:288:3627:06
8:43
#20423
15K
9.32 mi12:19:501:23:138:5629:45
9:35
#21956
20K
12.43 mi12:48:471:52:109:0228:57
9:19
#22045
Half
13.11 mi12:54:581:58:219:026:11
9:04
#22044
25K
15.53 mi13:18:242:21:479:0823:26
9:40
#22136
30K
18.64 mi13:49:472:53:109:1731:23
10:06
#22127
20M
20.00 mi14:03:403:07:039:2113:53
10:13
#22091
21M
21.00 mi14:15:313:18:549:2811:51
11:51
#22153
35K
21.75 mi14:23:113:26:349:307:40
10:15
#22177
23M
23.00 mi14:35:583:39:219:3212:47
10:13
#22088
24M
24.00 mi14:45:563:49:199:339:58
9:58
#22038
40K
24.85 mi14:54:313:57:549:348:35
10:02
#21975
25.2M
25.20 mi14:58:224:01:459:363:51
11:10
#21951
Finish
26.22 mi15:07:334:10:569:359:11
9:01
#21848
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi198257408740823943(Top 84%)9630(Top 79%)9630(Top 739%)
10K6.21 mi3.10 mi20423-5987729-3217729-32121018(Top 74%)8027(Top 66%)8027(Top 616%)
15K9.32 mi3.11 mi21956-15338578-8498578-84923943(Top 84%)9630(Top 79%)9630(Top 739%)
20K12.43 mi3.11 mi22045-898621-438621-4322332(Top 79%)8772(Top 72%)8772(Top 673%)
Half13.11 mi0.68 mi22044+18623-28623-222113(Top 78%)8670(Top 71%)8670(Top 665%)
25K15.53 mi2.42 mi22136-928674-518674-5122404(Top 79%)8878(Top 73%)8878(Top 681%)
30K18.64 mi3.11 mi22127+98694-208694-2021913(Top 77%)8732(Top 71%)8732(Top 670%)
20M20.00 mi1.36 mi22091+368689+58689+521624(Top 76%)8696(Top 71%)8696(Top 667%)
21M21.00 mi1.00 mi22153-628755-668755-6623320(Top 82%)9662(Top 79%)9662(Top 742%)
35K21.75 mi0.75 mi22177-248776-218776-2122570(Top 79%)9318(Top 76%)9318(Top 715%)
23M23.00 mi1.25 mi22088+898769+78769+721165(Top 75%)8639(Top 71%)8639(Top 663%)
24M24.00 mi1.00 mi22038+508760+98760+921291(Top 75%)8749(Top 72%)8749(Top 671%)
40K24.85 mi0.85 mi21975+638743+178743+1720583(Top 72%)8451(Top 69%)8451(Top 649%)
25.2M25.20 mi0.35 mi21951+248737+68737+621158(Top 74%)8741(Top 71%)8741(Top 671%)
Finish26.22 mi1.02 mi21848+1038702+358702+3519147(Top 67%)7697(Top 63%)7697(Top 591%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23943

Females

9630

F50-54

9630

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

21018

Females

8027

F50-54

8027

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23943

Females

9630

F50-54

9630

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22332

Females

8772

F50-54

8772

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22113

Females

8670

F50-54

8670

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22404

Females

8878

F50-54

8878

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21913

Females

8732

F50-54

8732

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21624

Females

8696

F50-54

8696

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23320

Females

9662

F50-54

9662

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22570

Females

9318

F50-54

9318

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21165

Females

8639

F50-54

8639

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21291

Females

8749

F50-54

8749

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20583

Females

8451

F50-54

8451

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21158

Females

8741

F50-54

8741

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

19147

Females

7697

F50-54

7697

Passing Analysis

Category:
Athletes Passed
1236
Passed By
3259
Net Change
-2023
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19825
5K → 10K83681-598#19825#20423
10K → 15K231556-1533#20423#21956
15K → 20K165254-89#21956#22045
20K → Half3231+1#22045#22044
Half → 25K116208-92#22044#22136
25K → 30K194185+9#22136#22127
30K → 20M10064+36#22127#22091
20M → 21M71133-62#22091#22153
21M → 35K2549-24#22153#22177
35K → 23M12435+89#22177#22088
23M → 24M7626+50#22088#22038
24M → 40K8118+63#22038#21975
40K → 25.2M3511+24#21975#21951
25.2M → Finish1118+103#21951#21848
TOTALS12363259-2023
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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