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BOSTON MARATHON 2025

Samantha Arak

Bib: 13269•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 9%
Division (F18-39)
#0 / 5469
Top 16%
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
7:13/mi
22:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
44:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:07:20
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:29:42
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:34:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:52:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:30/mi
2:15:20
↑ 181↓ 1480.2%
20M
7:30/mi
2:25:31
↑ 64↓ 500.2%
21M
7:50/mi
2:33:21
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:38:33
↑ 17↓ 861.7%
23M
7:16/mi
2:47:39
↑ 23↓ 630.6%
24M
7:09/mi
2:54:48
↓ 821.3%
40K· 24.85 mi
7:06/mi
3:00:52
↓ 200.3%
25.2M
7:50/mi
3:03:34
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:10:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:28
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:36:10
Pace7:20 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3622:257:1322:25
7:13
-
10K
6.21 mi11:14:0644:557:1422:30
7:15
+0:02
15K
9.32 mi11:36:311:07:207:1322:25
7:13
-0:02
20K
12.43 mi11:58:531:29:427:1322:22
7:12
-0:01
Half
13.11 mi12:03:391:34:287:124:46
6:59
-0:13
25K
15.53 mi12:21:131:52:027:1317:34
7:15
+0:16
30K
18.64 mi12:44:312:15:207:1623:18
7:30
+0:15
20M
20.00 mi12:54:422:25:317:1710:11
7:30
0:00
21M
21.00 mi13:02:322:33:217:187:50
7:50
+0:20
35K
21.75 mi13:07:442:38:337:175:12
6:57
-0:53
23M
23.00 mi13:16:502:47:397:179:06
7:16
+0:19
24M
24.00 mi13:23:592:54:487:177:09
7:09
-0:07
40K
24.85 mi13:30:033:00:527:176:04
7:06
-0:03
25.2M
25.20 mi13:32:453:03:347:172:42
7:50
+0:44
Finish
26.22 mi13:39:493:10:387:177:04
6:56
-0:54

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

6:56 /mi

Average Pace

7:17 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:06

94% of race

Time at Steady Pace

10:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:51:3622:257:1322:25
7:13
#9600
10K
6.21 mi11:14:0644:557:1422:30
7:15
#9708
15K
9.32 mi11:36:311:07:207:1322:25
7:13
#9533
20K
12.43 mi11:58:531:29:427:1322:22
7:12
#9145
Half
13.11 mi12:03:391:34:287:124:46
6:59
#9042
25K
15.53 mi12:21:131:52:027:1317:34
7:15
#8779
30K
18.64 mi12:44:312:15:207:1623:18
7:30
#8515
20M
20.00 mi12:54:422:25:317:1710:11
7:30
#8344
21M
21.00 mi13:02:322:33:217:187:50
7:50
#8150
35K
21.75 mi13:07:442:38:337:175:12
6:57
#7984
23M
23.00 mi13:16:502:47:397:179:06
7:16
#7734
24M
24.00 mi13:23:592:54:487:177:09
7:09
#7607
40K
24.85 mi13:30:033:00:527:176:04
7:06
#7410
25.2M
25.20 mi13:32:453:03:347:172:42
7:50
#7342
Finish
26.22 mi13:39:493:10:387:177:04
6:56
#7235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9600162716279259(Top 33%)1540(Top 13%)1540(Top 28%)
10K6.21 mi3.10 mi9708-1081670-431670-439863(Top 35%)1765(Top 14%)1765(Top 32%)
15K9.32 mi3.11 mi9533+1751616+541616+549259(Top 33%)1540(Top 13%)1540(Top 28%)
20K12.43 mi3.11 mi9145+3881475+1411475+1418217(Top 29%)1192(Top 10%)1192(Top 22%)
Half13.11 mi0.68 mi9042+1031437+381437+387567(Top 27%)936(Top 8%)936(Top 17%)
25K15.53 mi2.42 mi8779+2631349+881349+887964(Top 28%)1196(Top 10%)1196(Top 22%)
30K18.64 mi3.11 mi8515+2641305+441305+447742(Top 27%)1287(Top 11%)1287(Top 24%)
20M20.00 mi1.36 mi8344+1711266+391266+396989(Top 25%)1145(Top 9%)1145(Top 21%)
21M21.00 mi1.00 mi8150+1941226+401226+406410(Top 23%)1063(Top 9%)1063(Top 19%)
35K21.75 mi0.75 mi7984+1661191+351191+355111(Top 18%)643(Top 5%)643(Top 12%)
23M23.00 mi1.25 mi7734+2501147+441147+445299(Top 19%)771(Top 6%)771(Top 14%)
24M24.00 mi1.00 mi7607+1271128+191128+195546(Top 20%)904(Top 7%)904(Top 17%)
40K24.85 mi0.85 mi7410+1971089+391089+394497(Top 16%)644(Top 5%)644(Top 12%)
25.2M25.20 mi0.35 mi7342+681076+131076+135111(Top 18%)909(Top 7%)909(Top 17%)
Finish26.22 mi1.02 mi7235+1071061+151061+155341(Top 19%)987(Top 8%)987(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

9259

Females

1540

F18-39

1540

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9863

Females

1765

F18-39

1765

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

9259

Females

1540

F18-39

1540

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8217

Females

1192

F18-39

1192

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7567

Females

936

F18-39

936

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7964

Females

1196

F18-39

1196

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7742

Females

1287

F18-39

1287

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6989

Females

1145

F18-39

1145

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6410

Females

1063

F18-39

1063

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5111

Females

643

F18-39

643

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5299

Females

771

F18-39

771

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5546

Females

904

F18-39

904

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4497

Females

644

F18-39

644

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5111

Females

909

F18-39

909

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5341

Females

987

F18-39

987

Passing Analysis

Category:
Athletes Passed
2945
Passed By
579
Net Change
+2365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9600
5K → 10K187294-108#9600#9708
10K → 15K25883+175#9708#9533
15K → 20K40921+388#9533#9145
20K → Half1063+103#9145#9042
Half → 25K28926+263#9042#8779
25K → 30K34682+264#8779#8515
30K → 20M19322+171#8515#8344
20M → 21M20511+194#8344#8150
21M → 35K1715+166#8150#7984
35K → 23M2544+250#7984#7734
23M → 24M1347+127#7734#7607
24M → 40K2047+197#7607#7410
40K → 25.2M713+68#7410#7342
25.2M → Finish11811+107#7342#7235
TOTALS2945579+2365
📊

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