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BOSTON MARATHON 2025

Samantha Greenwood

Bib: 7496•F

IL

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 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #8260
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
43:27
Rank: #7803 (+457)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:04:49
Rank: #7464 (+339)
10K → 15K
21:22 | 6:53/mi
20K· 12.43 mi
1:26:06
Rank: #7057 (+407)
15K → 20K
21:17 | 6:51/mi
Half· 13.11 mi
1:30:46
Rank: #7021 (+36)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:26
Rank: #6698 (+323)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:09:21
Rank: #6259 (+439)
25K → 30K
21:55 | 7:03/mi
20M
2:19:07
Rank: #6103 (+156)
30K → 20M
9:46 | 7:11/mi
21M
2:26:43
Rank: #5998 (+105)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:31:52
Rank: #5918 (+80)
21M → 35K
5:09 | 6:53/mi
23M
2:40:45
Rank: #5739 (+179)
35K → 23M
8:53 | 7:06/mi
24M
2:47:34
Rank: #5579 (+160)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:53:30
Rank: #5464 (+115)
24M → 40K
5:56 | 6:56/mi
25.2M
2:56:03
Rank: #5394 (+70)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:02:30
Rank: #5215 (+179)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:31:44
Pace7:00 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1021:557:0321:55
7:03
-
10K
6.21 mi11:09:4243:277:0021:32
6:56
-0:07
15K
9.32 mi11:31:041:04:496:5721:22
6:53
-0:03
20K
12.43 mi11:52:211:26:066:5621:17
6:51
-0:02
Half
13.11 mi11:57:011:30:466:554:40
6:50
-0:01
25K
15.53 mi12:13:411:47:266:5516:40
6:52
+0:02
30K
18.64 mi12:35:362:09:216:5621:55
7:03
+0:11
20M
20.00 mi12:45:222:19:076:579:46
7:11
+0:08
21M
21.00 mi12:52:582:26:436:597:36
7:36
+0:25
35K
21.75 mi12:58:072:31:526:595:09
6:53
-0:43
23M
23.00 mi13:07:002:40:456:598:53
7:06
+0:13
24M
24.00 mi13:13:492:47:346:596:49
6:49
-0:17
40K
24.85 mi13:19:452:53:306:595:56
6:56
+0:07
25.2M
25.20 mi13:22:182:56:036:592:33
7:24
+0:28
Finish
26.22 mi13:28:453:02:306:586:27
6:20
-1:04

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

6:20 /mi

Average Pace

6:58 /mi

Slowest Pace

7:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:52

60% of race

Time at Steady Pace

1:05:02

36% of race

Time at Slower Pace

7:36

4% of race

Average Pace: 6:58 /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 mi10:48:1021:557:0321:55
7:03
#8260
10K
6.21 mi11:09:4243:277:0021:32
6:56
#7803
15K
9.32 mi11:31:041:04:496:5721:22
6:53
#7464
20K
12.43 mi11:52:211:26:066:5621:17
6:51
#7057
Half
13.11 mi11:57:011:30:466:554:40
6:50
#7021
25K
15.53 mi12:13:411:47:266:5516:40
6:52
#6698
30K
18.64 mi12:35:362:09:216:5621:55
7:03
#6259
20M
20.00 mi12:45:222:19:076:579:46
7:11
#6103
21M
21.00 mi12:52:582:26:436:597:36
7:36
#5998
35K
21.75 mi12:58:072:31:526:595:09
6:53
#5918
23M
23.00 mi13:07:002:40:456:598:53
7:06
#5739
24M
24.00 mi13:13:492:47:346:596:49
6:49
#5579
40K
24.85 mi13:19:452:53:306:595:56
6:56
#5464
25.2M
25.20 mi13:22:182:56:036:592:33
7:24
#5394
Finish
26.22 mi13:28:453:02:306:586:27
6:20
#5215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8260107710776799(Top 24%)682(Top 6%)682(Top 12%)
10K6.21 mi3.10 mi7803+457925+152925+1527488(Top 26%)835(Top 7%)835(Top 15%)
15K9.32 mi3.11 mi7464+339825+100825+1006799(Top 24%)682(Top 6%)682(Top 12%)
20K12.43 mi3.11 mi7057+407723+102723+1025796(Top 20%)507(Top 4%)507(Top 9%)
Half13.11 mi0.68 mi7021+36719+4719+46532(Top 23%)653(Top 5%)653(Top 12%)
25K15.53 mi2.42 mi6698+323661+58661+585482(Top 19%)487(Top 4%)487(Top 9%)
30K18.64 mi3.11 mi6259+439604+57604+575054(Top 18%)459(Top 4%)459(Top 8%)
20M20.00 mi1.36 mi6103+156589+15589+155154(Top 18%)546(Top 4%)546(Top 10%)
21M21.00 mi1.00 mi5998+105583+6583+65148(Top 18%)648(Top 5%)648(Top 12%)
35K21.75 mi0.75 mi5918+80569+14569+144676(Top 16%)519(Top 4%)519(Top 9%)
23M23.00 mi1.25 mi5739+179546+23546+234331(Top 15%)487(Top 4%)487(Top 9%)
24M24.00 mi1.00 mi5579+160526+20526+203644(Top 13%)384(Top 3%)384(Top 7%)
40K24.85 mi0.85 mi5464+115512+14512+143610(Top 13%)405(Top 3%)405(Top 7%)
25.2M25.20 mi0.35 mi5394+70505+7505+73027(Top 11%)330(Top 3%)330(Top 6%)
Finish26.22 mi1.02 mi5215+179475+30475+302040(Top 7%)163(Top 1%)163(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6799

Females

682

F18-39

682

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7488

Females

835

F18-39

835

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6799

Females

682

F18-39

682

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5796

Females

507

F18-39

507

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6532

Females

653

F18-39

653

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5482

Females

487

F18-39

487

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5054

Females

459

F18-39

459

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5154

Females

546

F18-39

546

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5148

Females

648

F18-39

648

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4676

Females

519

F18-39

519

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4331

Females

487

F18-39

487

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3644

Females

384

F18-39

384

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3610

Females

405

F18-39

405

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3027

Females

330

F18-39

330

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2040

Females

163

F18-39

163

Passing Analysis

Category:
Athletes Passed
3218
Passed By
173
Net Change
+3045
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8260
5K → 10K51255+457#8260#7803
10K → 15K36627+339#7803#7464
15K → 20K4114+407#7464#7057
20K → Half4913+36#7057#7021
Half → 25K3252+323#7021#6698
25K → 30K45112+439#6698#6259
30K → 20M16711+156#6259#6103
20M → 21M12621+105#6103#5998
21M → 35K877+80#5998#5918
35K → 23M18910+179#5918#5739
23M → 24M1655+160#5739#5579
24M → 40K1194+115#5579#5464
40K → 25.2M700+70#5464#5394
25.2M → Finish1812+179#5394#5215
TOTALS3218173+3045
📊

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