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BOSTON MARATHON 2025

Andrena Silva

Bib: 27250•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:33/mi
26:35
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
54:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:21:00
↑ 67↓ 78
20K· 12.43 mi
9:36/mi
1:50:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
1:56:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:34/mi
2:20:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
2:52:45
↑ 181↓ 1480.2%
20M
10:25/mi
3:06:54
↑ 64↓ 500.2%
21M
11:54/mi
3:18:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:25:57
↑ 17↓ 861.7%
23M
9:49/mi
3:38:14
↑ 23↓ 630.6%
24M
9:50/mi
3:48:04
↓ 821.3%
40K· 24.85 mi
9:48/mi
3:56:27
↓ 200.3%
25.2M
10:12/mi
3:59:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
4:09:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:12:25
Pace10:06 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1426:358:3326:35
8:33
-
10K
6.21 mi12:20:4254:038:4227:28
8:50
+0:17
15K
9.32 mi12:47:391:21:008:4126:57
8:40
-0:10
20K
12.43 mi13:17:291:50:508:5529:50
9:36
+0:56
Half
13.11 mi13:23:341:56:558:556:05
8:55
-0:41
25K
15.53 mi13:46:452:20:069:0123:11
9:34
+0:39
30K
18.64 mi14:19:242:52:459:1632:39
10:31
+0:57
20M
20.00 mi14:33:333:06:549:2114:09
10:25
-0:06
21M
21.00 mi14:45:273:18:489:2811:54
11:54
+1:29
35K
21.75 mi14:52:363:25:579:287:09
9:33
-2:21
23M
23.00 mi15:04:533:38:149:2912:17
9:49
+0:16
24M
24.00 mi15:14:433:48:049:309:50
9:50
+0:01
40K
24.85 mi15:23:063:56:279:318:23
9:48
-0:02
25.2M
25.20 mi15:26:373:59:589:313:31
10:12
+0:24
Finish
26.22 mi15:35:594:09:209:319:22
9:11
-1:01

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

8:33 /mi

Average Pace

9:31 /mi

Slowest Pace

11:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:27

39% of race

Time at Steady Pace

1:30:40

36% of race

Time at Slower Pace

1:02:13

25% of race

Average Pace: 9:31 /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 mi11:53:1426:358:3326:35
8:33
#20240
10K
6.21 mi12:20:4254:038:4227:28
8:50
#20910
15K
9.32 mi12:47:391:21:008:4126:57
8:40
#20709
20K
12.43 mi13:17:291:50:508:5529:50
9:36
#21552
Half
13.11 mi13:23:341:56:558:556:05
8:55
#21539
25K
15.53 mi13:46:452:20:069:0123:11
9:34
#21636
30K
18.64 mi14:19:242:52:459:1632:39
10:31
#22045
20M
20.00 mi14:33:333:06:549:2114:09
10:25
#22057
21M
21.00 mi14:45:273:18:489:2811:54
11:54
#22136
35K
21.75 mi14:52:363:25:579:287:09
9:33
#22074
23M
23.00 mi15:04:533:38:149:2912:17
9:49
#21915
24M
24.00 mi15:14:433:48:049:309:50
9:50
#21865
40K
24.85 mi15:23:063:56:279:318:23
9:48
#21786
25.2M
25.20 mi15:26:373:59:589:313:31
10:12
#21731
Finish
26.22 mi15:35:594:09:209:319:22
9:11
#21649
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi202407644764420342(Top 72%)7625(Top 62%)7625(Top 444%)
10K6.21 mi3.10 mi20910-6708006-3628006-36221611(Top 76%)8374(Top 68%)8374(Top 487%)
15K9.32 mi3.11 mi20709+2017868+1387868+13820342(Top 72%)7625(Top 62%)7625(Top 444%)
20K12.43 mi3.11 mi21552-8438345-4778345-47723217(Top 82%)9251(Top 76%)9251(Top 538%)
Half13.11 mi0.68 mi21539+138341+48341+421516(Top 76%)8327(Top 68%)8327(Top 485%)
25K15.53 mi2.42 mi21636-978401-608401-6022074(Top 78%)8693(Top 71%)8693(Top 506%)
30K18.64 mi3.11 mi22045-4098649-2488649-24822963(Top 81%)9303(Top 76%)9303(Top 542%)
20M20.00 mi1.36 mi22057-128672-238672-2322189(Top 78%)9004(Top 74%)9004(Top 524%)
21M21.00 mi1.00 mi22136-798744-728744-7223414(Top 82%)9721(Top 79%)9721(Top 566%)
35K21.75 mi0.75 mi22074+628715+298715+2920555(Top 72%)8273(Top 68%)8273(Top 482%)
23M23.00 mi1.25 mi21915+1598671+448671+4419848(Top 70%)7974(Top 65%)7974(Top 464%)
24M24.00 mi1.00 mi21865+508666+58666+520858(Top 73%)8530(Top 70%)8530(Top 497%)
40K24.85 mi0.85 mi21786+798646+208646+2019854(Top 70%)8078(Top 66%)8078(Top 470%)
25.2M25.20 mi0.35 mi21731+558621+258621+2517968(Top 63%)7146(Top 58%)7146(Top 416%)
Finish26.22 mi1.02 mi21649+828590+318590+3119935(Top 70%)8116(Top 66%)8116(Top 472%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20342

Females

7625

F40-44

7625

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21611

Females

8374

F40-44

8374

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20342

Females

7625

F40-44

7625

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23217

Females

9251

F40-44

9251

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21516

Females

8327

F40-44

8327

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22074

Females

8693

F40-44

8693

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22963

Females

9303

F40-44

9303

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

22189

Females

9004

F40-44

9004

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23414

Females

9721

F40-44

9721

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20555

Females

8273

F40-44

8273

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

19848

Females

7974

F40-44

7974

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20858

Females

8530

F40-44

8530

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19854

Females

8078

F40-44

8078

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17968

Females

7146

F40-44

7146

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19935

Females

8116

F40-44

8116

Passing Analysis

Category:
Athletes Passed
1392
Passed By
2801
Net Change
-1409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20240
5K → 10K83753-670#20240#20910
10K → 15K29493+201#20910#20709
15K → 20K52895-843#20709#21552
20K → Half4128+13#21552#21539
Half → 25K113210-97#21539#21636
25K → 30K86495-409#21636#22045
30K → 20M8698-12#22045#22057
20M → 21M65144-79#22057#22136
21M → 35K7513+62#22136#22074
35K → 23M17617+159#22074#21915
23M → 24M7828+50#21915#21865
24M → 40K9213+79#21865#21786
40K → 25.2M561+55#21786#21731
25.2M → Finish9513+82#21731#21649
TOTALS13922801-1409
📊

Passing Visuals

Category:
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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