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BOSTON MARATHON 2025

Amy Lamberti

Bib: 25718•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
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
8:53/mi
27:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:44/mi
54:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:22:17
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
1:53:02
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:59:02
↑ 19↓ 370.5%
25K· 15.53 mi
9:17/mi
2:21:33
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:51:14
↑ 181↓ 1480.2%
20M
12:13/mi
3:07:50
↑ 64↓ 500.2%
21M
9:43/mi
3:17:33
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:24:29
↑ 17↓ 861.7%
23M
11:56/mi
3:39:25
↑ 23↓ 630.6%
24M
9:28/mi
3:48:53
↓ 821.3%
40K· 24.85 mi
9:31/mi
3:57:01
↓ 200.3%
25.2M
10:12/mi
4:00:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
4:09:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:02
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:10:43
Pace9:58 /mi
📊Positive Split: 9.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1427:378:5327:37
8:53
-
10K
6.21 mi12:10:2154:448:4927:07
8:44
-0:09
15K
9.32 mi12:37:541:22:178:5027:33
8:52
+0:08
20K
12.43 mi13:08:391:53:029:0630:45
9:54
+1:02
Half
13.11 mi13:14:391:59:029:056:00
8:48
-1:06
25K
15.53 mi13:37:102:21:339:0722:31
9:17
+0:29
30K
18.64 mi14:06:512:51:149:1129:41
9:33
+0:16
20M
20.00 mi14:23:273:07:509:2316:36
12:13
+2:40
21M
21.00 mi14:33:103:17:339:249:43
9:43
-2:30
35K
21.75 mi14:40:063:24:299:246:56
9:16
-0:27
23M
23.00 mi14:55:023:39:259:3214:56
11:56
+2:40
24M
24.00 mi15:04:303:48:539:329:28
9:28
-2:28
40K
24.85 mi15:12:383:57:019:328:08
9:31
+0:03
25.2M
25.20 mi15:16:094:00:329:333:31
10:12
+0:41
Finish
26.22 mi15:25:224:09:459:329:13
9:03
-1:09

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

8:44 /mi

Average Pace

9:32 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:17

35% of race

Time at Steady Pace

2:06:25

51% of race

Time at Slower Pace

35:03

14% of race

Average Pace: 9:32 /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 mi11:43:1427:378:5327:37
8:53
#21956
10K
6.21 mi12:10:2154:448:4927:07
8:44
#21497
15K
9.32 mi12:37:541:22:178:5027:33
8:52
#21429
20K
12.43 mi13:08:391:53:029:0630:45
9:54
#22342
Half
13.11 mi13:14:391:59:029:056:00
8:48
#22266
25K
15.53 mi13:37:102:21:339:0722:31
9:17
#22053
30K
18.64 mi14:06:512:51:149:1129:41
9:33
#21696
20M
20.00 mi14:23:273:07:509:2316:36
12:13
#22223
21M
21.00 mi14:33:103:17:339:249:43
9:43
#21936
35K
21.75 mi14:40:063:24:299:246:56
9:16
#21842
23M
23.00 mi14:55:023:39:259:3214:56
11:56
#22097
24M
24.00 mi15:04:303:48:539:329:28
9:28
#21980
40K
24.85 mi15:12:383:57:019:328:08
9:31
#21862
25.2M
25.20 mi15:16:094:00:329:333:31
10:12
#21800
Finish
26.22 mi15:25:224:09:459:329:13
9:03
#21707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi219568602860221393(Top 75%)8213(Top 67%)8213(Top 630%)
10K6.21 mi3.10 mi21497+4598337+2658337+26521055(Top 74%)8050(Top 66%)8050(Top 618%)
15K9.32 mi3.11 mi21429+688268+698268+6921393(Top 75%)8213(Top 67%)8213(Top 630%)
20K12.43 mi3.11 mi22342-9138782-5148782-51424011(Top 85%)9709(Top 79%)9709(Top 745%)
Half13.11 mi0.68 mi22266+768745+378745+3720940(Top 74%)8023(Top 66%)8023(Top 616%)
25K15.53 mi2.42 mi22053+2138632+1138632+11321138(Top 74%)8172(Top 67%)8172(Top 627%)
30K18.64 mi3.11 mi21696+3578454+1788454+17820166(Top 71%)7745(Top 63%)7745(Top 594%)
20M20.00 mi1.36 mi22223-5278765-3118765-31125560(Top 90%)10782(Top 88%)10782(Top 827%)
21M21.00 mi1.00 mi21936+2878630+1358630+13517158(Top 60%)6356(Top 52%)6356(Top 488%)
35K21.75 mi0.75 mi21842+948590+408590+4019494(Top 69%)7726(Top 63%)7726(Top 593%)
23M23.00 mi1.25 mi22097-2558773-1838773-18325018(Top 88%)10613(Top 87%)10613(Top 815%)
24M24.00 mi1.00 mi21980+1178728+458728+4519538(Top 69%)7852(Top 64%)7852(Top 603%)
40K24.85 mi0.85 mi21862+1188684+448684+4418800(Top 66%)7538(Top 62%)7538(Top 579%)
25.2M25.20 mi0.35 mi21800+628656+288656+2817969(Top 63%)7147(Top 58%)7147(Top 549%)
Finish26.22 mi1.02 mi21707+938618+388618+3819289(Top 68%)7766(Top 64%)7766(Top 596%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21393

Females

8213

F50-54

8213

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

21055

Females

8050

F50-54

8050

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21393

Females

8213

F50-54

8213

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24011

Females

9709

F50-54

9709

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20940

Females

8023

F50-54

8023

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21138

Females

8172

F50-54

8172

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20166

Females

7745

F50-54

7745

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25560

Females

10782

F50-54

10782

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17158

Females

6356

F50-54

6356

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19494

Females

7726

F50-54

7726

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25018

Females

10613

F50-54

10613

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19538

Females

7852

F50-54

7852

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18800

Females

7538

F50-54

7538

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17969

Females

7147

F50-54

7147

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19289

Females

7766

F50-54

7766

Passing Analysis

Category:
Athletes Passed
2434
Passed By
2185
Net Change
+249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21956
5K → 10K560101+459#21956#21497
10K → 15K245177+68#21497#21429
15K → 20K39952-913#21429#22342
20K → Half782+76#22342#22266
Half → 25K26047+213#22266#22053
25K → 30K40649+357#22053#21696
30K → 20M14541-527#21696#22223
20M → 21M2881+287#22223#21936
21M → 35K973+94#21936#21842
35K → 23M36291-255#21842#22097
23M → 24M1258+117#22097#21980
24M → 40K1224+118#21980#21862
40K → 25.2M620+62#21862#21800
25.2M → Finish1029+93#21800#21707
TOTALS24342185+249
📊

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