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BOSTON MARATHON 2025

Erica Silva

Bib: 8081•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Female)
#0 / 12228
Top 10%
Division (F18-39)
#0 / 5469
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:38
Rank: #7509
Start → 5K
21:38 | 6:58/mi
10K· 6.21 mi
42:44
Rank: #6979 (+530)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:42
Rank: #6510 (+469)
10K → 15K
20:58 | 6:45/mi
20K· 12.43 mi
1:25:04
Rank: #6352 (+158)
15K → 20K
21:22 | 6:53/mi
Half· 13.11 mi
1:29:41
Rank: #6318 (+34)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:47:22
Rank: #6655 (-337)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:10:15
Rank: #6575 (+80)
25K → 30K
22:53 | 7:22/mi
20M
2:20:47
Rank: #6641 (-66)
30K → 20M
10:32 | 7:45/mi
21M
2:29:06
Rank: #6700 (-59)
20M → 21M
8:19 | 8:19/mi
35K· 21.75 mi
2:36:17
Rank: #7227 (-527)
21M → 35K
7:11 | 9:36/mi
23M
2:46:08
Rank: #7264 (-37)
35K → 23M
9:51 | 7:52/mi
24M
2:53:52
Rank: #7307 (-43)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:00:42
Rank: #7351 (-44)
24M → 40K
6:50 | 8:00/mi
25.2M
3:03:42
Rank: #7376 (-25)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:11:31
Rank: #7470 (-94)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:41
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:41:50
Pace7:46 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5621:386:5821:38
6:58
-
10K
6.21 mi11:09:0242:446:5321:06
6:47
-0:11
15K
9.32 mi11:30:001:03:426:5020:58
6:45
-0:02
20K
12.43 mi11:51:221:25:046:5121:22
6:53
+0:08
Half
13.11 mi11:55:591:29:416:504:37
6:46
-0:07
25K
15.53 mi12:13:401:47:226:5517:41
7:18
+0:32
30K
18.64 mi12:36:332:10:156:5922:53
7:22
+0:04
20M
20.00 mi12:47:052:20:477:0210:32
7:45
+0:23
21M
21.00 mi12:55:242:29:067:068:19
8:19
+0:34
35K
21.75 mi13:02:352:36:177:117:11
9:36
+1:17
23M
23.00 mi13:12:262:46:087:139:51
7:52
-1:44
24M
24.00 mi13:20:102:53:527:157:44
7:44
-0:08
40K
24.85 mi13:27:003:00:427:166:50
8:00
+0:16
25.2M
25.20 mi13:30:003:03:427:173:00
8:42
+0:42
Finish
26.22 mi13:37:493:11:317:197:49
7:40
-1:02

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

6:45 /mi

Average Pace

7:19 /mi

Slowest Pace

9:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:41

47% of race

Time at Steady Pace

1:23:20

44% of race

Time at Slower Pace

18:30

10% of race

Average Pace: 7:18 /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 mi10:47:5621:386:5821:38
6:58
#7509
10K
6.21 mi11:09:0242:446:5321:06
6:47
#6979
15K
9.32 mi11:30:001:03:426:5020:58
6:45
#6510
20K
12.43 mi11:51:221:25:046:5121:22
6:53
#6352
Half
13.11 mi11:55:591:29:416:504:37
6:46
#6318
25K
15.53 mi12:13:401:47:226:5517:41
7:18
#6655
30K
18.64 mi12:36:332:10:156:5922:53
7:22
#6575
20M
20.00 mi12:47:052:20:477:0210:32
7:45
#6641
21M
21.00 mi12:55:242:29:067:068:19
8:19
#6700
35K
21.75 mi13:02:352:36:177:117:11
9:36
#7227
23M
23.00 mi13:12:262:46:087:139:51
7:52
#7264
24M
24.00 mi13:20:102:53:527:157:44
7:44
#7307
40K
24.85 mi13:27:003:00:427:166:50
8:00
#7351
25.2M
25.20 mi13:30:003:03:427:173:00
8:42
#7376
Finish
26.22 mi13:37:493:11:317:197:49
7:40
#7470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi75098168165537(Top 19%)456(Top 4%)456(Top 8%)
10K6.21 mi3.10 mi6979+530687+129687+1296273(Top 22%)562(Top 5%)562(Top 10%)
15K9.32 mi3.11 mi6510+469603+84603+845537(Top 19%)456(Top 4%)456(Top 8%)
20K12.43 mi3.11 mi6352+158578+25578+255997(Top 21%)552(Top 5%)552(Top 10%)
Half13.11 mi0.68 mi6318+34573+5573+55735(Top 20%)496(Top 4%)496(Top 9%)
25K15.53 mi2.42 mi6655-337650-77650-778292(Top 29%)1341(Top 11%)1341(Top 25%)
30K18.64 mi3.11 mi6575+80669-19669-196832(Top 24%)952(Top 8%)952(Top 17%)
20M20.00 mi1.36 mi6641-66713-44713-448674(Top 31%)1837(Top 15%)1837(Top 34%)
21M21.00 mi1.00 mi6700-59748-35748-359271(Top 33%)2294(Top 19%)2294(Top 42%)
35K21.75 mi0.75 mi7227-527921-173921-17320653(Top 73%)8335(Top 68%)8335(Top 152%)
23M23.00 mi1.25 mi7264-37981-60981-609010(Top 32%)2275(Top 19%)2275(Top 42%)
24M24.00 mi1.00 mi7307-431025-441025-449282(Top 33%)2479(Top 20%)2479(Top 45%)
40K24.85 mi0.85 mi7351-441069-441069-4410073(Top 35%)2981(Top 24%)2981(Top 55%)
25.2M25.20 mi0.35 mi7376-251093-241093-249871(Top 35%)2993(Top 24%)2993(Top 55%)
Finish26.22 mi1.02 mi7470-941163-701163-7010415(Top 37%)3201(Top 26%)3201(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5537

Females

456

F18-39

456

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6273

Females

562

F18-39

562

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5537

Females

456

F18-39

456

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5997

Females

552

F18-39

552

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5735

Females

496

F18-39

496

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8292

Females

1341

F18-39

1341

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6832

Females

952

F18-39

952

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8674

Females

1837

F18-39

1837

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9271

Females

2294

F18-39

2294

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20653

Females

8335

F18-39

8335

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

9010

Females

2275

F18-39

2275

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9282

Females

2479

F18-39

2479

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10073

Females

2981

F18-39

2981

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9871

Females

2993

F18-39

2993

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10415

Females

3201

F18-39

3201

Passing Analysis

Category:
Athletes Passed
1950
Passed By
1911
Net Change
+39
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7509
5K → 10K56838+530#7509#6979
10K → 15K48415+469#6979#6510
15K → 20K20951+158#6510#6352
20K → Half4511+34#6352#6318
Half → 25K55392-337#6318#6655
25K → 30K217137+80#6655#6575
30K → 20M66132-66#6575#6641
20M → 21M53112-59#6641#6700
21M → 35K4531-527#6700#7227
35K → 23M78115-37#7227#7264
23M → 24M62105-43#7264#7307
24M → 40K5296-44#7307#7351
40K → 25.2M2045-25#7351#7376
25.2M → Finish37131-94#7376#7470
TOTALS19501911+39
📊

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