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BOSTON MARATHON 2025

Kristin Winstanley

Bib: 20072•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 43%
Masters (Masters Women)
#0 / 6759
Top 29%
Division (F45-49)
#0 / 1813
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:36
Rank: #20251
Start → 5K
26:36 | 8:34/mi
10K· 6.21 mi
52:50
Rank: #19852 (+399)
5K → 10K
26:14 | 8:27/mi
15K· 9.32 mi
1:18:46
Rank: #19359 (+493)
10K → 15K
25:56 | 8:21/mi
20K· 12.43 mi
1:44:40
Rank: #18792 (+567)
15K → 20K
25:54 | 8:20/mi
Half· 13.11 mi
1:50:15
Rank: #18704 (+88)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:10:33
Rank: #18293 (+411)
Half → 25K
20:18 | 8:22/mi
30K· 18.64 mi
2:37:02
Rank: #17623 (+670)
25K → 30K
26:29 | 8:31/mi
20M
2:48:38
Rank: #17338 (+285)
30K → 20M
11:36 | 8:32/mi
21M
2:57:27
Rank: #17012 (+326)
20M → 21M
8:49 | 8:49/mi
35K· 21.75 mi
3:03:31
Rank: #16855 (+157)
21M → 35K
6:04 | 8:07/mi
23M
3:13:45
Rank: #16493 (+362)
35K → 23M
10:14 | 8:10/mi
24M
3:21:29
Rank: #16173 (+320)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:28:17
Rank: #15945 (+228)
24M → 40K
6:48 | 7:57/mi
25.2M
3:31:16
Rank: #15834 (+111)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:39:01
Rank: #15618 (+216)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:50:15
Pace8:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:46
Pace8:18 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0426:368:3426:36
8:34
-
10K
6.21 mi11:45:1852:508:3026:14
8:27
-0:07
15K
9.32 mi12:11:141:18:468:2725:56
8:21
-0:06
20K
12.43 mi12:37:081:44:408:2525:54
8:20
-0:01
Half
13.11 mi12:42:431:50:158:255:35
8:11
-0:09
25K
15.53 mi13:03:012:10:338:2420:18
8:22
+0:11
30K
18.64 mi13:29:302:37:028:2526:29
8:31
+0:09
20M
20.00 mi13:41:062:48:388:2611:36
8:32
+0:01
21M
21.00 mi13:49:552:57:278:278:49
8:49
+0:17
35K
21.75 mi13:55:593:03:318:266:04
8:07
-0:42
23M
23.00 mi14:06:133:13:458:2510:14
8:10
+0:03
24M
24.00 mi14:13:573:21:298:247:44
7:44
-0:26
40K
24.85 mi14:20:453:28:178:236:48
7:57
+0:13
25.2M
25.20 mi14:23:443:31:168:232:59
8:39
+0:42
Finish
26.22 mi14:31:293:39:018:227:45
7:36
-1:03

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

7:36 /mi

Average Pace

8:22 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:00

44% of race

Time at Steady Pace

2:03:01

56% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:19:0426:368:3426:36
8:34
#20251
10K
6.21 mi11:45:1852:508:3026:14
8:27
#19852
15K
9.32 mi12:11:141:18:468:2725:56
8:21
#19359
20K
12.43 mi12:37:081:44:408:2525:54
8:20
#18792
Half
13.11 mi12:42:431:50:158:255:35
8:11
#18704
25K
15.53 mi13:03:012:10:338:2420:18
8:22
#18293
30K
18.64 mi13:29:302:37:028:2526:29
8:31
#17623
20M
20.00 mi13:41:062:48:388:2611:36
8:32
#17338
21M
21.00 mi13:49:552:57:278:278:49
8:49
#17012
35K
21.75 mi13:55:593:03:318:266:04
8:07
#16855
23M
23.00 mi14:06:133:13:458:2510:14
8:10
#16493
24M
24.00 mi14:13:573:21:298:247:44
7:44
#16173
40K
24.85 mi14:20:453:28:178:236:48
7:57
#15945
25.2M
25.20 mi14:23:443:31:168:232:59
8:39
#15834
Finish
26.22 mi14:31:293:39:018:227:45
7:36
#15618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi202517646764618362(Top 65%)6525(Top 53%)6525(Top 360%)
10K6.21 mi3.10 mi19852+3997384+2627384+26219469(Top 69%)7148(Top 58%)7148(Top 394%)
15K9.32 mi3.11 mi19359+4937098+2867098+28618362(Top 65%)6525(Top 53%)6525(Top 360%)
20K12.43 mi3.11 mi18792+5676783+3156783+31517140(Top 60%)5846(Top 48%)5846(Top 322%)
Half13.11 mi0.68 mi18704+886738+456738+4517201(Top 61%)5866(Top 48%)5866(Top 324%)
25K15.53 mi2.42 mi18293+4116523+2156523+21516391(Top 58%)5525(Top 45%)5525(Top 305%)
30K18.64 mi3.11 mi17623+6706196+3276196+32714917(Top 53%)4858(Top 40%)4858(Top 268%)
20M20.00 mi1.36 mi17338+2856046+1506046+15014030(Top 49%)4533(Top 37%)4533(Top 250%)
21M21.00 mi1.00 mi17012+3265882+1645882+16412449(Top 44%)3842(Top 31%)3842(Top 212%)
35K21.75 mi0.75 mi16855+1575806+765806+7613059(Top 46%)4207(Top 34%)4207(Top 232%)
23M23.00 mi1.25 mi16493+3625630+1765630+17611240(Top 40%)3357(Top 27%)3357(Top 185%)
24M24.00 mi1.00 mi16173+3205482+1485482+1489406(Top 33%)2539(Top 21%)2539(Top 140%)
40K24.85 mi0.85 mi15945+2285371+1115371+1119930(Top 35%)2910(Top 24%)2910(Top 161%)
25.2M25.20 mi0.35 mi15834+1115323+485323+489859(Top 35%)2985(Top 24%)2985(Top 165%)
Finish26.22 mi1.02 mi15618+2165221+1025221+10210046(Top 35%)3028(Top 25%)3028(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

18362

Females

6525

F45-49

6525

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19469

Females

7148

F45-49

7148

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

18362

Females

6525

F45-49

6525

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17140

Females

5846

F45-49

5846

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17201

Females

5866

F45-49

5866

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16391

Females

5525

F45-49

5525

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14917

Females

4858

F45-49

4858

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

14030

Females

4533

F45-49

4533

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12449

Females

3842

F45-49

3842

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13059

Females

4207

F45-49

4207

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11240

Females

3357

F45-49

3357

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9406

Females

2539

F45-49

2539

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9930

Females

2910

F45-49

2910

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9859

Females

2985

F45-49

2985

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

10046

Females

3028

F45-49

3028

Passing Analysis

Category:
Athletes Passed
4867
Passed By
234
Net Change
+4633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20251
5K → 10K540141+399#20251#19852
10K → 15K52431+493#19852#19359
15K → 20K58316+567#19359#18792
20K → Half968+88#18792#18704
Half → 25K4198+411#18704#18293
25K → 30K6799+670#18293#17623
30K → 20M2916+285#17623#17338
20M → 21M3282+326#17338#17012
21M → 35K1625+157#17012#16855
35K → 23M3653+362#16855#16493
23M → 24M3200+320#16493#16173
24M → 40K2280+228#16173#15945
40K → 25.2M1110+111#15945#15834
25.2M → Finish2215+216#15834#15618
TOTALS4867234+4633
📊

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