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BOSTON MARATHON 2025

Molly Sewell

Bib: 27475•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:59
Rank: #26989
Start → 5K
32:59 | 10:37/mi
10K· 6.21 mi
1:06:17
Rank: #26794 (+195)
5K → 10K
33:18 | 10:43/mi
15K· 9.32 mi
1:39:30
Rank: #26593 (+201)
10K → 15K
33:13 | 10:41/mi
20K· 12.43 mi
2:14:17
Rank: #26495 (+98)
15K → 20K
34:47 | 11:12/mi
Half· 13.11 mi
2:21:45
Rank: #26492 (+3)
20K → Half
7:28 | 10:57/mi
25K· 15.53 mi
2:50:24
Rank: #26451 (+41)
Half → 25K
28:39 | 11:49/mi
30K· 18.64 mi
3:29:00
Rank: #26403 (+48)
25K → 30K
38:36 | 12:25/mi
20M
3:45:10
Rank: #26309 (+94)
30K → 20M
16:10 | 11:54/mi
21M
3:57:53
Rank: #26237 (+72)
20M → 21M
12:43 | 12:43/mi
35K· 21.75 mi
4:06:29
Rank: #26209 (+28)
21M → 35K
8:36 | 11:30/mi
23M
4:22:29
Rank: #26207 (+2)
35K → 23M
16:00 | 12:47/mi
24M
4:36:19
Rank: #26300 (-93)
23M → 24M
13:50 | 13:50/mi
40K· 24.85 mi
4:47:16
Rank: #26298 (+2)
24M → 40K
10:57 | 12:48/mi
25.2M
4:51:59
Rank: #26298
40K → 25.2M
4:43 | 13:41/mi
Finish· 26.22 mi
5:02:51
Rank: #26266 (+32)
25.2M → Finish
10:52 | 10:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:45
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:41:06
Pace12:17 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0232:5910:3732:59
10:37
-
10K
6.21 mi12:22:201:06:1710:4033:18
10:43
+0:06
15K
9.32 mi12:55:331:39:3010:4133:13
10:41
-0:02
20K
12.43 mi13:30:202:14:1710:4834:47
11:12
+0:31
Half
13.11 mi13:37:482:21:4510:497:28
10:57
-0:15
25K
15.53 mi14:06:272:50:2410:5828:39
11:49
+0:52
30K
18.64 mi14:45:033:29:0011:1338:36
12:25
+0:36
20M
20.00 mi15:01:133:45:1011:1516:10
11:54
-0:31
21M
21.00 mi15:13:563:57:5311:2012:43
12:43
+0:49
35K
21.75 mi15:22:324:06:2911:208:36
11:30
-1:13
23M
23.00 mi15:38:324:22:2911:2516:00
12:47
+1:17
24M
24.00 mi15:52:224:36:1911:3113:50
13:50
+1:03
40K
24.85 mi16:03:194:47:1611:3310:57
12:48
-1:02
25.2M
25.20 mi16:08:024:51:5911:354:43
13:41
+0:53
Finish
26.22 mi16:18:545:02:5111:3410:52
10:40
-3:01

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

10:37 /mi

Average Pace

11:34 /mi

Slowest Pace

13:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:37

50% of race

Time at Steady Pace

53:25

18% of race

Time at Slower Pace

1:36:49

32% of race

Average Pace: 11:33 /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 mi11:49:0232:5910:3732:59
10:37
#26989
10K
6.21 mi12:22:201:06:1710:4033:18
10:43
#26794
15K
9.32 mi12:55:331:39:3010:4133:13
10:41
#26593
20K
12.43 mi13:30:202:14:1710:4834:47
11:12
#26495
Half
13.11 mi13:37:482:21:4510:497:28
10:57
#26492
25K
15.53 mi14:06:272:50:2410:5828:39
11:49
#26451
30K
18.64 mi14:45:033:29:0011:1338:36
12:25
#26403
20M
20.00 mi15:01:133:45:1011:1516:10
11:54
#26309
21M
21.00 mi15:13:563:57:5311:2012:43
12:43
#26237
35K
21.75 mi15:22:324:06:2911:208:36
11:30
#26209
23M
23.00 mi15:38:324:22:2911:2516:00
12:47
#26207
24M
24.00 mi15:52:224:36:1911:3113:50
13:50
#26300
40K
24.85 mi16:03:194:47:1611:3310:57
12:48
#26298
25.2M
25.20 mi16:08:024:51:5911:354:43
13:41
#26298
Finish
26.22 mi16:18:545:02:5111:3410:52
10:40
#26266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26989113221132226233(Top 92%)10906(Top 89%)10906(Top 199%)
10K6.21 mi3.10 mi26794+19511220+10211220+10226634(Top 94%)11140(Top 91%)11140(Top 204%)
15K9.32 mi3.11 mi26593+20111111+10911111+10926233(Top 92%)10906(Top 89%)10906(Top 199%)
20K12.43 mi3.11 mi26495+9811066+4511066+4526286(Top 93%)10964(Top 90%)10964(Top 200%)
Half13.11 mi0.68 mi26492+311063+311063+326418(Top 93%)11073(Top 91%)11073(Top 202%)
25K15.53 mi2.42 mi26451+4111048+1511048+1526227(Top 92%)10986(Top 90%)10986(Top 201%)
30K18.64 mi3.11 mi26403+4811043+511043+526089(Top 92%)10989(Top 90%)10989(Top 201%)
20M20.00 mi1.36 mi26309+9411008+3511008+3525108(Top 88%)10539(Top 86%)10539(Top 193%)
21M21.00 mi1.00 mi26237+7210980+2810980+2824692(Top 87%)10399(Top 85%)10399(Top 190%)
35K21.75 mi0.75 mi26209+2810973+710973+725069(Top 88%)10625(Top 87%)10625(Top 194%)
23M23.00 mi1.25 mi26207+210982-910982-926120(Top 92%)11155(Top 91%)11155(Top 204%)
24M24.00 mi1.00 mi26300-9311051-6911051-6927543(Top 97%)11900(Top 97%)11900(Top 218%)
40K24.85 mi0.85 mi26298+211055-411055-426070(Top 92%)11176(Top 91%)11176(Top 204%)
25.2M25.20 mi0.35 mi2629811057-211057-225871(Top 91%)11121(Top 91%)11121(Top 203%)
Finish26.22 mi1.02 mi26266+3211043+1411043+1424635(Top 87%)10477(Top 86%)10477(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26233

Females

10906

F18-39

10906

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

26634

Females

11140

F18-39

11140

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26233

Females

10906

F18-39

10906

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26286

Females

10964

F18-39

10964

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26418

Females

11073

F18-39

11073

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26227

Females

10986

F18-39

10986

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26089

Females

10989

F18-39

10989

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25108

Females

10539

F18-39

10539

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24692

Females

10399

F18-39

10399

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

25069

Females

10625

F18-39

10625

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26120

Females

11155

F18-39

11155

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27543

Females

11900

F18-39

11900

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26070

Females

11176

F18-39

11176

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25871

Females

11121

F18-39

11121

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24635

Females

10477

F18-39

10477

Passing Analysis

Category:
Athletes Passed
1275
Passed By
552
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26989
5K → 10K26873+195#26989#26794
10K → 15K23433+201#26794#26593
15K → 20K15759+98#26593#26495
20K → Half2320+3#26495#26492
Half → 25K10261+41#26492#26451
25K → 30K12577+48#26451#26403
30K → 20M1017+94#26403#26309
20M → 21M8917+72#26309#26237
21M → 35K4416+28#26237#26209
35K → 23M3937+2#26209#26207
23M → 24M9102-93#26207#26300
24M → 40K2826+2#26300#26298
40K → 25.2M11110#26298#26298
25.2M → Finish4513+32#26298#26266
TOTALS1275552+723
📊

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