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BOSTON MARATHON 2025

Abby Samuelson

Bib: 5658•F

ME

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #4833
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:17
Rank: #4880 (-47)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:00
Rank: #4823 (+57)
10K → 15K
20:43 | 6:40/mi
20K· 12.43 mi
1:23:01
Rank: #4829 (-6)
15K → 20K
21:01 | 6:46/mi
Half· 13.11 mi
1:27:36
Rank: #4859 (-30)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:12
Rank: #4870 (-11)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:06:05
Rank: #4861 (+9)
25K → 30K
21:53 | 7:03/mi
20M
2:15:49
Rank: #4861
30K → 20M
9:44 | 7:10/mi
21M
2:23:22
Rank: #4835 (+26)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:28:45
Rank: #4885 (-50)
21M → 35K
5:23 | 7:12/mi
23M
2:38:01
Rank: #4971 (-86)
35K → 23M
9:16 | 7:24/mi
24M
2:45:21
Rank: #5050 (-79)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:51:45
Rank: #5072 (-22)
24M → 40K
6:24 | 7:29/mi
25.2M
2:54:36
Rank: #5087 (-15)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:02:00
Rank: #5120 (-33)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:36
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:34:24
Pace7:12 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1420:356:3820:35
6:38
-
10K
6.21 mi10:45:5641:176:3920:42
6:40
+0:02
15K
9.32 mi11:06:391:02:006:3920:43
6:40
0:00
20K
12.43 mi11:27:401:23:016:4121:01
6:46
+0:06
Half
13.11 mi11:32:151:27:366:414:35
6:43
-0:03
25K
15.53 mi11:48:511:44:126:4216:36
6:51
+0:08
30K
18.64 mi12:10:442:06:056:4621:53
7:03
+0:12
20M
20.00 mi12:20:282:15:496:479:44
7:10
+0:07
21M
21.00 mi12:28:012:23:226:507:33
7:33
+0:23
35K
21.75 mi12:33:242:28:456:505:23
7:12
-0:21
23M
23.00 mi12:42:402:38:016:529:16
7:24
+0:12
24M
24.00 mi12:50:002:45:216:537:20
7:20
-0:04
40K
24.85 mi12:56:242:51:456:556:24
7:29
+0:09
25.2M
25.20 mi12:59:152:54:366:562:51
8:16
+0:47
Finish
26.22 mi13:06:393:02:006:577:24
7:16
-1:00

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

6:38 /mi

Average Pace

6:57 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:12

57% of race

Time at Steady Pace

51:44

28% of race

Time at Slower Pace

26:04

14% of race

Average Pace: 6:56 /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 mi10:25:1420:356:3820:35
6:38
#4833
10K
6.21 mi10:45:5641:176:3920:42
6:40
#4880
15K
9.32 mi11:06:391:02:006:3920:43
6:40
#4823
20K
12.43 mi11:27:401:23:016:4121:01
6:46
#4829
Half
13.11 mi11:32:151:27:366:414:35
6:43
#4859
25K
15.53 mi11:48:511:44:126:4216:36
6:51
#4870
30K
18.64 mi12:10:442:06:056:4621:53
7:03
#4861
20M
20.00 mi12:20:282:15:496:479:44
7:10
#4861
21M
21.00 mi12:28:012:23:226:507:33
7:33
#4835
35K
21.75 mi12:33:242:28:456:505:23
7:12
#4885
23M
23.00 mi12:42:402:38:016:529:16
7:24
#4971
24M
24.00 mi12:50:002:45:216:537:20
7:20
#5050
40K
24.85 mi12:56:242:51:456:556:24
7:29
#5072
25.2M
25.20 mi12:59:152:54:366:562:51
8:16
#5087
Finish
26.22 mi13:06:393:02:006:577:24
7:16
#5120
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi48333003004818(Top 17%)315(Top 3%)315(Top 6%)
10K6.21 mi3.10 mi4880-47314-14314-145022(Top 18%)327(Top 3%)327(Top 6%)
15K9.32 mi3.11 mi4823+57308+6308+64818(Top 17%)315(Top 3%)315(Top 6%)
20K12.43 mi3.11 mi4829-6318-10318-104973(Top 18%)370(Top 3%)370(Top 7%)
Half13.11 mi0.68 mi4859-30321-3321-35524(Top 19%)449(Top 4%)449(Top 8%)
25K15.53 mi2.42 mi4870-11334-13334-135266(Top 19%)433(Top 4%)433(Top 8%)
30K18.64 mi3.11 mi4861+9355-21355-214975(Top 18%)444(Top 4%)444(Top 8%)
20M20.00 mi1.36 mi4861354+1354+15018(Top 18%)507(Top 4%)507(Top 9%)
21M21.00 mi1.00 mi4835+26362-8362-84889(Top 17%)580(Top 5%)580(Top 11%)
35K21.75 mi0.75 mi4885-50375-13375-136596(Top 23%)1120(Top 9%)1120(Top 20%)
23M23.00 mi1.25 mi4971-86402-27402-276069(Top 21%)1041(Top 9%)1041(Top 19%)
24M24.00 mi1.00 mi5050-79423-21423-216625(Top 23%)1293(Top 11%)1293(Top 24%)
40K24.85 mi0.85 mi5072-22434-11434-116743(Top 24%)1430(Top 12%)1430(Top 26%)
25.2M25.20 mi0.35 mi5087-15443-9443-97474(Top 26%)1814(Top 15%)1814(Top 33%)
Finish26.22 mi1.02 mi5120-33460-17460-177509(Top 26%)1845(Top 15%)1845(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4818

Females

315

F18-39

315

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5022

Females

327

F18-39

327

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4818

Females

315

F18-39

315

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4973

Females

370

F18-39

370

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5524

Females

449

F18-39

449

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5266

Females

433

F18-39

433

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4975

Females

444

F18-39

444

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5018

Females

507

F18-39

507

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4889

Females

580

F18-39

580

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6596

Females

1120

F18-39

1120

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6069

Females

1041

F18-39

1041

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6625

Females

1293

F18-39

1293

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6743

Females

1430

F18-39

1430

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7474

Females

1814

F18-39

1814

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7509

Females

1845

F18-39

1845

Passing Analysis

Category:
Athletes Passed
1092
Passed By
1379
Net Change
-287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4833
5K → 10K150197-47#4833#4880
10K → 15K13780+57#4880#4823
15K → 20K128134-6#4823#4829
20K → Half1848-30#4829#4859
Half → 25K103114-11#4859#4870
25K → 30K171162+9#4870#4861
30K → 20M72720#4861#4861
20M → 21M7852+26#4861#4835
21M → 35K4595-50#4835#4885
35K → 23M58144-86#4885#4971
23M → 24M37116-79#4971#5050
24M → 40K4365-22#5050#5072
40K → 25.2M1934-15#5072#5087
25.2M → Finish3366-33#5087#5120
TOTALS10921379-287
📊

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