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BOSTON MARATHON 2025

Kristin Sherwood

Bib: 17476•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 (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #20721
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
54:26
Rank: #21230 (-509)
5K → 10K
27:35 | 8:53/mi
15K· 9.32 mi
1:22:18
Rank: #21434 (-204)
10K → 15K
27:52 | 8:58/mi
20K· 12.43 mi
1:51:01
Rank: #21630 (-196)
15K → 20K
28:43 | 9:15/mi
Half· 13.11 mi
1:57:28
Rank: #21744 (-114)
20K → Half
6:27 | 9:27/mi
25K· 15.53 mi
2:20:13
Rank: #21681 (+63)
Half → 25K
22:45 | 9:23/mi
30K· 18.64 mi
2:49:58
Rank: #21400 (+281)
25K → 30K
29:45 | 9:35/mi
20M
3:03:34
Rank: #21360 (+40)
30K → 20M
13:36 | 10:00/mi
21M
3:14:06
Rank: #21300 (+60)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
3:21:43
Rank: #21351 (-51)
21M → 35K
7:37 | 10:11/mi
23M
3:34:42
Rank: #21365 (-14)
35K → 23M
12:59 | 10:22/mi
24M
3:44:49
Rank: #21384 (-19)
23M → 24M
10:07 | 10:07/mi
40K· 24.85 mi
3:53:37
Rank: #21380 (+4)
24M → 40K
8:48 | 10:18/mi
25.2M
3:57:28
Rank: #21375 (+5)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:06:42
Rank: #21297 (+78)
25.2M → Finish
9:14 | 9:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:28
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:09:14
Pace9:51 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2326:518:3926:51
8:39
-
10K
6.21 mi11:44:5854:268:4627:35
8:53
+0:14
15K
9.32 mi12:12:501:22:188:5027:52
8:58
+0:05
20K
12.43 mi12:41:331:51:018:5628:43
9:15
+0:17
Half
13.11 mi12:48:001:57:288:586:27
9:27
+0:12
25K
15.53 mi13:10:452:20:139:0222:45
9:23
-0:04
30K
18.64 mi13:40:302:49:589:0729:45
9:35
+0:12
20M
20.00 mi13:54:063:03:349:1113:36
10:00
+0:25
21M
21.00 mi14:04:383:14:069:1510:32
10:32
+0:32
35K
21.75 mi14:12:153:21:439:177:37
10:11
-0:21
23M
23.00 mi14:25:143:34:429:2012:59
10:22
+0:11
24M
24.00 mi14:35:213:44:499:2210:07
10:07
-0:15
40K
24.85 mi14:44:093:53:379:248:48
10:18
+0:11
25.2M
25.20 mi14:48:003:57:289:253:51
11:10
+0:52
Finish
26.22 mi14:57:144:06:429:259:14
9:04
-2:06

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

8:39 /mi

Average Pace

9:25 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:32

37% of race

Time at Steady Pace

1:27:40

36% of race

Time at Slower Pace

1:07:30

27% of race

Average Pace: 9:25 /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 mi11:17:2326:518:3926:51
8:39
#20721
10K
6.21 mi11:44:5854:268:4627:35
8:53
#21230
15K
9.32 mi12:12:501:22:188:5027:52
8:58
#21434
20K
12.43 mi12:41:331:51:018:5628:43
9:15
#21630
Half
13.11 mi12:48:001:57:288:586:27
9:27
#21744
25K
15.53 mi13:10:452:20:139:0222:45
9:23
#21681
30K
18.64 mi13:40:302:49:589:0729:45
9:35
#21400
20M
20.00 mi13:54:063:03:349:1113:36
10:00
#21360
21M
21.00 mi14:04:383:14:069:1510:32
10:32
#21300
35K
21.75 mi14:12:153:21:439:177:37
10:11
#21351
23M
23.00 mi14:25:143:34:429:2012:59
10:22
#21365
24M
24.00 mi14:35:213:44:499:2210:07
10:07
#21384
40K
24.85 mi14:44:093:53:379:248:48
10:18
#21380
25.2M
25.20 mi14:48:003:57:289:253:51
11:10
#21375
Finish
26.22 mi14:57:144:06:429:259:14
9:04
#21297
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi207217927792721907(Top 77%)8491(Top 69%)8491(Top 468%)
10K6.21 mi3.10 mi21230-5098176-2498176-24921814(Top 77%)8490(Top 69%)8490(Top 468%)
15K9.32 mi3.11 mi21434-2048272-968272-9621907(Top 77%)8491(Top 69%)8491(Top 468%)
20K12.43 mi3.11 mi21630-1968398-1268398-12622057(Top 78%)8617(Top 70%)8617(Top 475%)
Half13.11 mi0.68 mi21744-1148462-648462-6423426(Top 82%)9378(Top 77%)9378(Top 517%)
25K15.53 mi2.42 mi21681+638432+308432+3021492(Top 76%)8355(Top 68%)8355(Top 461%)
30K18.64 mi3.11 mi21400+2818304+1288304+12820254(Top 71%)7797(Top 64%)7797(Top 430%)
20M20.00 mi1.36 mi21360+408299+58299+520983(Top 74%)8351(Top 68%)8351(Top 461%)
21M21.00 mi1.00 mi21300+608285+148285+1420134(Top 71%)7989(Top 65%)7989(Top 441%)
35K21.75 mi0.75 mi21351-518321-368321-3622389(Top 79%)9226(Top 75%)9226(Top 509%)
23M23.00 mi1.25 mi21365-148357-368357-3621651(Top 76%)8892(Top 73%)8892(Top 490%)
24M24.00 mi1.00 mi21384-198385-288385-2821698(Top 76%)8963(Top 73%)8963(Top 494%)
40K24.85 mi0.85 mi21380+48410-258410-2521359(Top 75%)8851(Top 72%)8851(Top 488%)
25.2M25.20 mi0.35 mi21375+58416-68416-621151(Top 74%)8734(Top 71%)8734(Top 482%)
Finish26.22 mi1.02 mi21297+788386+308386+3019368(Top 68%)7800(Top 64%)7800(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21907

Females

8491

F45-49

8491

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21814

Females

8490

F45-49

8490

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21907

Females

8491

F45-49

8491

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22057

Females

8617

F45-49

8617

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23426

Females

9378

F45-49

9378

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21492

Females

8355

F45-49

8355

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20254

Females

7797

F45-49

7797

30K→20M

18.6 - 20.0 mi

Top 74%
×5stories
+64ft-50ft

Overall

20983

Females

8351

F45-49

8351

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20134

Females

7989

F45-49

7989

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22389

Females

9226

F45-49

9226

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21651

Females

8892

F45-49

8892

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21698

Females

8963

F45-49

8963

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21359

Females

8851

F45-49

8851

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21151

Females

8734

F45-49

8734

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19368

Females

7800

F45-49

7800

Passing Analysis

Category:
Athletes Passed
1488
Passed By
2064
Net Change
-576
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20721
5K → 10K98607-509#20721#21230
10K → 15K140344-204#21230#21434
15K → 20K142338-196#21434#21630
20K → Half10124-114#21630#21744
Half → 25K178115+63#21744#21681
25K → 30K34867+281#21681#21400
30K → 20M11373+40#21400#21360
20M → 21M10949+60#21360#21300
21M → 35K3182-51#21300#21351
35K → 23M92106-14#21351#21365
23M → 24M4968-19#21365#21384
24M → 40K5854+4#21384#21380
40K → 25.2M2823+5#21380#21375
25.2M → Finish9214+78#21375#21297
TOTALS14882064-576
📊

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