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BOSTON MARATHON 2025

Molly Silvestri

Bib: 15293•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 31%
Gender (Female)
#0 / 12228
Top 14%
Division (F18-39)
#0 / 5469
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:51
Rank: #10900
Start → 5K
22:51 | 7:21/mi
10K· 6.21 mi
45:47
Rank: #10939 (-39)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:08:44
Rank: #10835 (+104)
10K → 15K
22:57 | 7:23/mi
20K· 12.43 mi
1:31:51
Rank: #10677 (+158)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:36:50
Rank: #10637 (+40)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:54:52
Rank: #10402 (+235)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:59
Rank: #10201 (+201)
25K → 30K
24:07 | 7:46/mi
20M
2:29:33
Rank: #10032 (+169)
30K → 20M
10:34 | 7:47/mi
21M
2:37:40
Rank: #9858 (+174)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:43:15
Rank: #9804 (+54)
21M → 35K
5:35 | 7:28/mi
23M
2:52:36
Rank: #9530 (+274)
35K → 23M
9:21 | 7:28/mi
24M
2:59:58
Rank: #9362 (+168)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
3:06:10
Rank: #9161 (+201)
24M → 40K
6:12 | 7:15/mi
25.2M
3:08:51
Rank: #9050 (+111)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:15:49
Rank: #8816 (+234)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:50
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:38:59
Pace7:33 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4922:517:2122:51
7:21
-
10K
6.21 mi11:16:4545:477:2222:56
7:23
+0:02
15K
9.32 mi11:39:421:08:447:2222:57
7:23
0:00
20K
12.43 mi12:02:491:31:517:2323:07
7:26
+0:03
Half
13.11 mi12:07:481:36:507:234:59
7:18
-0:08
25K
15.53 mi12:25:501:54:527:2418:02
7:26
+0:08
30K
18.64 mi12:49:572:18:597:2724:07
7:46
+0:20
20M
20.00 mi13:00:312:29:337:2910:34
7:47
+0:01
21M
21.00 mi13:08:382:37:407:308:07
8:07
+0:20
35K
21.75 mi13:14:132:43:157:305:35
7:28
-0:39
23M
23.00 mi13:23:342:52:367:309:21
7:28
0:00
24M
24.00 mi13:30:562:59:587:307:22
7:22
-0:06
40K
24.85 mi13:37:083:06:107:296:12
7:15
-0:07
25.2M
25.20 mi13:39:493:08:517:302:41
7:47
+0:32
Finish
26.22 mi13:46:473:15:497:286:58
6:50
-0:57

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

6:50 /mi

Average Pace

7:28 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:20

77% of race

Time at Steady Pace

37:22

19% of race

Time at Slower Pace

8:07

4% of race

Average Pace: 7:28 /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 mi10:53:4922:517:2122:51
7:21
#10900
10K
6.21 mi11:16:4545:477:2222:56
7:23
#10939
15K
9.32 mi11:39:421:08:447:2222:57
7:23
#10835
20K
12.43 mi12:02:491:31:517:2323:07
7:26
#10677
Half
13.11 mi12:07:481:36:507:234:59
7:18
#10637
25K
15.53 mi12:25:501:54:527:2418:02
7:26
#10402
30K
18.64 mi12:49:572:18:597:2724:07
7:46
#10201
20M
20.00 mi13:00:312:29:337:2910:34
7:47
#10032
21M
21.00 mi13:08:382:37:407:308:07
8:07
#9858
35K
21.75 mi13:14:132:43:157:305:35
7:28
#9804
23M
23.00 mi13:23:342:52:367:309:21
7:28
#9530
24M
24.00 mi13:30:562:59:587:307:22
7:22
#9362
40K
24.85 mi13:37:083:06:107:296:12
7:15
#9161
25.2M
25.20 mi13:39:493:08:517:302:41
7:47
#9050
Finish
26.22 mi13:46:473:15:497:286:58
6:50
#8816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109002229222910753(Top 38%)2240(Top 18%)2240(Top 41%)
10K6.21 mi3.10 mi10939-392275-462275-4611025(Top 39%)2312(Top 19%)2312(Top 42%)
15K9.32 mi3.11 mi10835+1042240+352240+3510753(Top 38%)2240(Top 18%)2240(Top 41%)
20K12.43 mi3.11 mi10677+1582183+572183+5710255(Top 36%)2082(Top 17%)2082(Top 38%)
Half13.11 mi0.68 mi10637+402161+222161+2210075(Top 35%)1981(Top 16%)1981(Top 36%)
25K15.53 mi2.42 mi10402+2352085+762085+769457(Top 33%)1848(Top 15%)1848(Top 34%)
30K18.64 mi3.11 mi10201+2012058+272058+279639(Top 34%)2113(Top 17%)2113(Top 39%)
20M20.00 mi1.36 mi10032+1692001+572001+578884(Top 31%)1923(Top 16%)1923(Top 35%)
21M21.00 mi1.00 mi9858+1741959+421959+428076(Top 28%)1758(Top 14%)1758(Top 32%)
35K21.75 mi0.75 mi9804+54195919598395(Top 30%)1836(Top 15%)1836(Top 34%)
23M23.00 mi1.25 mi9530+2741870+891870+896482(Top 23%)1190(Top 10%)1190(Top 22%)
24M24.00 mi1.00 mi9362+1681830+401830+406866(Top 24%)1410(Top 12%)1410(Top 26%)
40K24.85 mi0.85 mi9161+2011778+521778+525429(Top 19%)923(Top 8%)923(Top 17%)
25.2M25.20 mi0.35 mi9050+1111746+321746+324881(Top 17%)848(Top 7%)848(Top 16%)
Finish26.22 mi1.02 mi8816+2341689+571689+574764(Top 17%)789(Top 6%)789(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10753

Females

2240

F18-39

2240

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11025

Females

2312

F18-39

2312

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10753

Females

2240

F18-39

2240

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10255

Females

2082

F18-39

2082

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

10075

Females

1981

F18-39

1981

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9457

Females

1848

F18-39

1848

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9639

Females

2113

F18-39

2113

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8884

Females

1923

F18-39

1923

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

8076

Females

1758

F18-39

1758

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8395

Females

1836

F18-39

1836

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6482

Females

1190

F18-39

1190

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6866

Females

1410

F18-39

1410

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5429

Females

923

F18-39

923

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4881

Females

848

F18-39

848

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4764

Females

789

F18-39

789

Passing Analysis

Category:
Athletes Passed
2884*
Passed By
799
Net Change
+2084
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10900
5K → 10K240279-39#10900#10939
10K → 15K223119+104#10939#10835
15K → 20K24688+158#10835#10677
20K → Half5616+40#10677#10637
Half → 25K28449+235#10637#10402
25K → 30K324122+201#10402#10201
30K → 20M20435+169#10201#10032
20M → 21M206*32+174#10032#9858
21M → 35K8531+54#9858#9804
35K → 23M2806+274#9804#9530
23M → 24M17911+168#9530#9362
24M → 40K2065+201#9362#9161
40K → 25.2M1132+111#9161#9050
25.2M → Finish2384+234#9050#8816
TOTALS2884*799+2084

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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