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BOSTON MARATHON 2025

Aline Samy

Bib: 19811•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 16%
Division (F40-44)
#0 / 1718
Top 33%
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
7:59/mi
24:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:14:09
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:38:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:44:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:47/mi
2:02:56
↑ 66↓ 880.2%
30K· 18.64 mi
8:04/mi
2:27:59
↑ 181↓ 1480.2%
20M
8:04/mi
2:38:57
↑ 64↓ 500.2%
21M
8:34/mi
2:47:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:52/mi
2:53:24
↑ 17↓ 861.7%
23M
8:10/mi
3:03:37
↑ 23↓ 630.6%
24M
7:53/mi
3:11:30
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:18:23
↓ 200.3%
25.2M
9:08/mi
3:21:32
↑ 13↓ 160.2%
Finish· 26.22 mi
7:43/mi
3:29:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:45:21
Pace8:02 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5624:487:5924:48
7:59
-
10K
6.21 mi11:45:3549:277:5724:39
7:56
-0:03
15K
9.32 mi12:10:171:14:097:5724:42
7:57
+0:01
20K
12.43 mi12:34:541:38:467:5724:37
7:55
-0:02
Half
13.11 mi12:40:111:44:037:565:17
7:45
-0:10
25K
15.53 mi12:59:042:02:567:5518:53
7:47
+0:02
30K
18.64 mi13:24:072:27:597:5625:03
8:04
+0:17
20M
20.00 mi13:35:052:38:577:5710:58
8:04
0:00
21M
21.00 mi13:43:392:47:317:598:34
8:34
+0:30
35K
21.75 mi13:49:322:53:247:585:53
7:52
-0:42
23M
23.00 mi13:59:453:03:377:5910:13
8:10
+0:18
24M
24.00 mi14:07:383:11:307:597:53
7:53
-0:17
40K
24.85 mi14:14:313:18:237:596:53
8:03
+0:10
25.2M
25.20 mi14:17:403:21:328:003:09
9:08
+1:05
Finish
26.22 mi14:25:323:29:248:007:52
7:43
-1:25

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

7:43 /mi

Average Pace

8:00 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:41

94% of race

Time at Steady Pace

8:34

4% of race

Time at Slower Pace

3:09

2% of race

Average Pace: 7:59 /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 mi11:20:5624:487:5924:48
7:59
#16445
10K
6.21 mi11:45:3549:277:5724:39
7:56
#16158
15K
9.32 mi12:10:171:14:097:5724:42
7:57
#15975
20K
12.43 mi12:34:541:38:467:5724:37
7:55
#15526
Half
13.11 mi12:40:111:44:037:565:17
7:45
#15413
25K
15.53 mi12:59:042:02:567:5518:53
7:47
#14842
30K
18.64 mi13:24:072:27:597:5625:03
8:04
#14176
20M
20.00 mi13:35:052:38:577:5710:58
8:04
#13897
21M
21.00 mi13:43:392:47:317:598:34
8:34
#13672
35K
21.75 mi13:49:322:53:247:585:53
7:52
#13575
23M
23.00 mi13:59:453:03:377:5910:13
8:10
#13391
24M
24.00 mi14:07:383:11:307:597:53
7:53
#13238
40K
24.85 mi14:14:313:18:237:596:53
8:03
#13124
25.2M
25.20 mi14:17:403:21:328:003:09
9:08
#13120
Finish
26.22 mi14:25:323:29:248:007:52
7:43
#13048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164455409540915661(Top 55%)4940(Top 40%)4940(Top 288%)
10K6.21 mi3.10 mi16158+2875237+1725237+17215946(Top 56%)5088(Top 42%)5088(Top 296%)
15K9.32 mi3.11 mi15975+1835128+1095128+10915661(Top 55%)4940(Top 40%)4940(Top 288%)
20K12.43 mi3.11 mi15526+4494879+2494879+24914312(Top 50%)4255(Top 35%)4255(Top 248%)
Half13.11 mi0.68 mi15413+1134815+644815+6413826(Top 49%)3965(Top 32%)3965(Top 231%)
25K15.53 mi2.42 mi14842+5714530+2854530+28512266(Top 43%)3264(Top 27%)3264(Top 190%)
30K18.64 mi3.11 mi14176+6664208+3224208+32211846(Top 42%)3221(Top 26%)3221(Top 187%)
20M20.00 mi1.36 mi13897+2794087+1214087+12110934(Top 38%)2921(Top 24%)2921(Top 170%)
21M21.00 mi1.00 mi13672+2253988+993988+9910935(Top 38%)3072(Top 25%)3072(Top 179%)
35K21.75 mi0.75 mi13575+973957+313957+3111356(Top 40%)3308(Top 27%)3308(Top 193%)
23M23.00 mi1.25 mi13391+1843893+643893+6411149(Top 39%)3306(Top 27%)3306(Top 192%)
24M24.00 mi1.00 mi13238+1533832+613832+6110474(Top 37%)3040(Top 25%)3040(Top 177%)
40K24.85 mi0.85 mi13124+1143797+353797+3510592(Top 37%)3216(Top 26%)3216(Top 187%)
25.2M25.20 mi0.35 mi13120+43807-103807-1012607(Top 44%)4286(Top 35%)4286(Top 249%)
Finish26.22 mi1.02 mi13048+723785+223785+2210882(Top 38%)3403(Top 28%)3403(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15661

Females

4940

F40-44

4940

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15946

Females

5088

F40-44

5088

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15661

Females

4940

F40-44

4940

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14312

Females

4255

F40-44

4255

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13826

Females

3965

F40-44

3965

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

12266

Females

3264

F40-44

3264

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11846

Females

3221

F40-44

3221

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10934

Females

2921

F40-44

2921

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10935

Females

3072

F40-44

3072

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

11356

Females

3308

F40-44

3308

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11149

Females

3306

F40-44

3306

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10474

Females

3040

F40-44

3040

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10592

Females

3216

F40-44

3216

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12607

Females

4286

F40-44

4286

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10882

Females

3403

F40-44

3403

Passing Analysis

Category:
Athletes Passed
3886
Passed By
489
Net Change
+3397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16445
5K → 10K448161+287#16445#16158
10K → 15K308125+183#16158#15975
15K → 20K47930+449#15975#15526
20K → Half1152+113#15526#15413
Half → 25K5765+571#15413#14842
25K → 30K68519+666#14842#14176
30K → 20M28910+279#14176#13897
20M → 21M24015+225#13897#13672
21M → 35K10811+97#13672#13575
35K → 23M20521+184#13575#13391
23M → 24M16815+153#13391#13238
24M → 40K13521+114#13238#13124
40K → 25.2M3329+4#13124#13120
25.2M → Finish9725+72#13120#13048
TOTALS3886489+3397
📊

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