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BOSTON MARATHON 2025

Sherri Mittelholzer

Bib: 30853•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:53
Rank: #24588
Start → 5K
29:53 | 9:37/mi
10K· 6.21 mi
1:00:31
Rank: #24830 (-242)
5K → 10K
30:38 | 9:52/mi
15K· 9.32 mi
1:32:08
Rank: #25008 (-178)
10K → 15K
31:37 | 10:11/mi
20K· 12.43 mi
2:05:15
Rank: #25193 (-185)
15K → 20K
33:07 | 10:40/mi
Half· 13.11 mi
2:12:13
Rank: #25198 (-5)
20K → Half
6:58 | 10:13/mi
25K· 15.53 mi
2:39:33
Rank: #25259 (-61)
Half → 25K
27:20 | 11:16/mi
30K· 18.64 mi
3:15:54
Rank: #25252 (+7)
25K → 30K
36:21 | 11:42/mi
20M
3:31:14
Rank: #25178 (+74)
30K → 20M
15:20 | 11:17/mi
21M
3:43:26
Rank: #25126 (+52)
20M → 21M
12:12 | 12:12/mi
35K· 21.75 mi
3:51:20
Rank: #25082 (+44)
21M → 35K
7:54 | 10:34/mi
23M
4:05:21
Rank: #25019 (+63)
35K → 23M
14:01 | 11:12/mi
24M
4:16:37
Rank: #24991 (+28)
23M → 24M
11:16 | 11:16/mi
40K· 24.85 mi
4:26:09
Rank: #24941 (+50)
24M → 40K
9:32 | 11:09/mi
25.2M
4:30:22
Rank: #24928 (+13)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:40:50
Rank: #24902 (+26)
25.2M → Finish
10:28 | 10:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:13
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:28:37
Pace11:20 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5929:539:3729:53
9:37
-
10K
6.21 mi12:21:371:00:319:4430:38
9:52
+0:15
15K
9.32 mi12:53:141:32:089:5331:37
10:11
+0:19
20K
12.43 mi13:26:212:05:1510:0533:07
10:40
+0:29
Half
13.11 mi13:33:192:12:1310:056:58
10:13
-0:27
25K
15.53 mi14:00:392:39:3310:1627:20
11:16
+1:03
30K
18.64 mi14:37:003:15:5410:3136:21
11:42
+0:26
20M
20.00 mi14:52:203:31:1410:3415:20
11:17
-0:25
21M
21.00 mi15:04:323:43:2610:3812:12
12:12
+0:55
35K
21.75 mi15:12:263:51:2010:387:54
10:34
-1:38
23M
23.00 mi15:26:274:05:2110:4014:01
11:12
+0:38
24M
24.00 mi15:37:434:16:3710:4211:16
11:16
+0:04
40K
24.85 mi15:47:154:26:0910:429:32
11:09
-0:07
25.2M
25.20 mi15:51:284:30:2210:444:13
12:14
+1:05
Finish
26.22 mi16:01:564:40:5010:4310:28
10:16
-1:58

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

9:37 /mi

Average Pace

10:43 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:35

54% of race

Time at Steady Pace

1:17:29

28% of race

Time at Slower Pace

52:46

19% of race

Average Pace: 10:43 /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 mi11:50:5929:539:3729:53
9:37
#24588
10K
6.21 mi12:21:371:00:319:4430:38
9:52
#24830
15K
9.32 mi12:53:141:32:089:5331:37
10:11
#25008
20K
12.43 mi13:26:212:05:1510:0533:07
10:40
#25193
Half
13.11 mi13:33:192:12:1310:056:58
10:13
#25198
25K
15.53 mi14:00:392:39:3310:1627:20
11:16
#25259
30K
18.64 mi14:37:003:15:5410:3136:21
11:42
#25252
20M
20.00 mi14:52:203:31:1410:3415:20
11:17
#25178
21M
21.00 mi15:04:323:43:2610:3812:12
12:12
#25126
35K
21.75 mi15:12:263:51:2010:387:54
10:34
#25082
23M
23.00 mi15:26:274:05:2110:4014:01
11:12
#25019
24M
24.00 mi15:37:434:16:3710:4211:16
11:16
#24991
40K
24.85 mi15:47:154:26:0910:429:32
11:09
#24941
25.2M
25.20 mi15:51:284:30:2210:444:13
12:14
#24928
Finish
26.22 mi16:01:564:40:5010:4310:28
10:16
#24902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24588100041000425359(Top 89%)10433(Top 85%)10433(Top 607%)
10K6.21 mi3.10 mi24830-24210142-13810142-13824995(Top 88%)10237(Top 84%)10237(Top 596%)
15K9.32 mi3.11 mi25008-17810227-8510227-8525359(Top 89%)10433(Top 85%)10433(Top 607%)
20K12.43 mi3.11 mi25193-18510343-11610343-11625465(Top 90%)10510(Top 86%)10510(Top 612%)
Half13.11 mi0.68 mi25198-510349-610349-625249(Top 89%)10405(Top 85%)10405(Top 606%)
25K15.53 mi2.42 mi25259-6110395-4610395-4625576(Top 90%)10619(Top 87%)10619(Top 618%)
30K18.64 mi3.11 mi25252+710419-2410419-2425138(Top 89%)10477(Top 86%)10477(Top 610%)
20M20.00 mi1.36 mi25178+7410398+2110398+2124149(Top 85%)10036(Top 82%)10036(Top 584%)
21M21.00 mi1.00 mi25126+5210378+2010378+2023919(Top 84%)9991(Top 82%)9991(Top 582%)
35K21.75 mi0.75 mi25082+4410366+1210366+1223273(Top 82%)9696(Top 79%)9696(Top 564%)
23M23.00 mi1.25 mi25019+6310338+2810338+2823642(Top 83%)9921(Top 81%)9921(Top 577%)
24M24.00 mi1.00 mi24991+2810334+410334+424484(Top 86%)10371(Top 85%)10371(Top 604%)
40K24.85 mi0.85 mi24941+5010325+910325+923437(Top 83%)9916(Top 81%)9916(Top 577%)
25.2M25.20 mi0.35 mi24928+1310320+510320+523605(Top 83%)9982(Top 82%)9982(Top 581%)
Finish26.22 mi1.02 mi24902+2610312+810312+823699(Top 83%)10026(Top 82%)10026(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25359

Females

10433

F40-44

10433

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24995

Females

10237

F40-44

10237

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25359

Females

10433

F40-44

10433

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

25465

Females

10510

F40-44

10510

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25249

Females

10405

F40-44

10405

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25576

Females

10619

F40-44

10619

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25138

Females

10477

F40-44

10477

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24149

Females

10036

F40-44

10036

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23919

Females

9991

F40-44

9991

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

23273

Females

9696

F40-44

9696

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23642

Females

9921

F40-44

9921

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24484

Females

10371

F40-44

10371

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23437

Females

9916

F40-44

9916

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23605

Females

9982

F40-44

9982

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23699

Females

10026

F40-44

10026

Passing Analysis

Category:
Athletes Passed
985
Passed By
1299
Net Change
-314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24588
5K → 10K124366-242#24588#24830
10K → 15K70248-178#24830#25008
15K → 20K83268-185#25008#25193
20K → Half1722-5#25193#25198
Half → 25K87148-61#25198#25259
25K → 30K128121+7#25259#25252
30K → 20M9622+74#25252#25178
20M → 21M7927+52#25178#25126
21M → 35K5511+44#25126#25082
35K → 23M7411+63#25082#25019
23M → 24M4517+28#25019#24991
24M → 40K6515+50#24991#24941
40K → 25.2M196+13#24941#24928
25.2M → Finish4317+26#24928#24902
TOTALS9851299-314
📊

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