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BOSTON MARATHON 2025

Erin Marcotte

Bib: 27445•F

CO

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:56
Rank: #22378
Start → 5K
27:56 | 8:59/mi
10K· 6.21 mi
55:56
Rank: #22438 (-60)
5K → 10K
28:00 | 9:01/mi
15K· 9.32 mi
1:23:43
Rank: #22204 (+234)
10K → 15K
27:47 | 8:57/mi
20K· 12.43 mi
1:51:43
Rank: #21891 (+313)
15K → 20K
28:00 | 9:01/mi
Half· 13.11 mi
1:57:44
Rank: #21828 (+63)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:19:53
Rank: #21573 (+255)
Half → 25K
22:09 | 9:08/mi
30K· 18.64 mi
2:50:01
Rank: #21412 (+161)
25K → 30K
30:08 | 9:42/mi
20M
3:02:56
Rank: #21231 (+181)
30K → 20M
12:55 | 9:30/mi
21M
3:12:51
Rank: #21035 (+196)
20M → 21M
9:55 | 9:55/mi
35K· 21.75 mi
3:19:31
Rank: #20912 (+123)
21M → 35K
6:40 | 8:55/mi
23M
3:31:49
Rank: #20869 (+43)
35K → 23M
12:18 | 9:49/mi
24M
3:41:19
Rank: #20823 (+46)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:49:42
Rank: #20787 (+36)
24M → 40K
8:23 | 9:48/mi
25.2M
3:53:20
Rank: #20757 (+30)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
4:02:28
Rank: #20703 (+54)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:44
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:04:44
Pace9:31 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5327:568:5927:56
8:59
-
10K
6.21 mi12:11:5355:569:0028:00
9:01
+0:02
15K
9.32 mi12:39:401:23:438:5927:47
8:57
-0:04
20K
12.43 mi13:07:401:51:438:5928:00
9:01
+0:04
Half
13.11 mi13:13:411:57:448:596:01
8:49
-0:12
25K
15.53 mi13:35:502:19:539:0022:09
9:08
+0:19
30K
18.64 mi14:05:582:50:019:0730:08
9:42
+0:34
20M
20.00 mi14:18:533:02:569:0912:55
9:30
-0:12
21M
21.00 mi14:28:483:12:519:119:55
9:55
+0:25
35K
21.75 mi14:35:283:19:319:106:40
8:55
-1:00
23M
23.00 mi14:47:463:31:499:1312:18
9:49
+0:54
24M
24.00 mi14:57:163:41:199:139:30
9:30
-0:19
40K
24.85 mi15:05:393:49:429:148:23
9:48
+0:18
25.2M
25.20 mi15:09:173:53:209:163:38
10:32
+0:44
Finish
26.22 mi15:18:254:02:289:159:08
8:58
-1:34

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

8:49 /mi

Average Pace

9:15 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:06

73% of race

Time at Steady Pace

1:00:44

25% of race

Time at Slower Pace

3:38

1% of race

Average Pace: 9:15 /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 mi11:43:5327:568:5927:56
8:59
#22378
10K
6.21 mi12:11:5355:569:0028:00
9:01
#22438
15K
9.32 mi12:39:401:23:438:5927:47
8:57
#22204
20K
12.43 mi13:07:401:51:438:5928:00
9:01
#21891
Half
13.11 mi13:13:411:57:448:596:01
8:49
#21828
25K
15.53 mi13:35:502:19:539:0022:09
9:08
#21573
30K
18.64 mi14:05:582:50:019:0730:08
9:42
#21412
20M
20.00 mi14:18:533:02:569:0912:55
9:30
#21231
21M
21.00 mi14:28:483:12:519:119:55
9:55
#21035
35K
21.75 mi14:35:283:19:319:106:40
8:55
#20912
23M
23.00 mi14:47:463:31:499:1312:18
9:49
#20869
24M
24.00 mi14:57:163:41:199:139:30
9:30
#20823
40K
24.85 mi15:05:393:49:429:148:23
9:48
#20787
25.2M
25.20 mi15:09:173:53:209:163:38
10:32
#20757
Finish
26.22 mi15:18:254:02:289:159:08
8:58
#20703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi223788843884321771(Top 77%)8420(Top 69%)8420(Top 154%)
10K6.21 mi3.10 mi22438-608858-158858-1522439(Top 79%)8832(Top 72%)8832(Top 161%)
15K9.32 mi3.11 mi22204+2348701+1578701+15721771(Top 77%)8420(Top 69%)8420(Top 154%)
20K12.43 mi3.11 mi21891+3138542+1598542+15921050(Top 74%)8092(Top 66%)8092(Top 148%)
Half13.11 mi0.68 mi21828+638507+358507+3521030(Top 74%)8063(Top 66%)8063(Top 147%)
25K15.53 mi2.42 mi21573+2558367+1408367+14020519(Top 72%)7825(Top 64%)7825(Top 143%)
30K18.64 mi3.11 mi21412+1618309+588309+5820693(Top 73%)8046(Top 66%)8046(Top 147%)
20M20.00 mi1.36 mi21231+1818239+708239+7019223(Top 68%)7388(Top 60%)7388(Top 135%)
21M21.00 mi1.00 mi21035+1968142+978142+9718011(Top 63%)6805(Top 56%)6805(Top 124%)
35K21.75 mi0.75 mi20912+1238085+578085+5717865(Top 63%)6841(Top 56%)6841(Top 125%)
23M23.00 mi1.25 mi20869+438090-58090-519891(Top 70%)7995(Top 65%)7995(Top 146%)
24M24.00 mi1.00 mi20823+468077+138077+1319645(Top 69%)7906(Top 65%)7906(Top 145%)
40K24.85 mi0.85 mi20787+368079-28079-219844(Top 70%)8068(Top 66%)8068(Top 148%)
25.2M25.20 mi0.35 mi20757+308079807919195(Top 68%)7750(Top 63%)7750(Top 142%)
Finish26.22 mi1.02 mi20703+548056+238056+2318879(Top 66%)7539(Top 62%)7539(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21771

Females

8420

F18-39

8420

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22439

Females

8832

F18-39

8832

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21771

Females

8420

F18-39

8420

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21050

Females

8092

F18-39

8092

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21030

Females

8063

F18-39

8063

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20519

Females

7825

F18-39

7825

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20693

Females

8046

F18-39

8046

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19223

Females

7388

F18-39

7388

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

18011

Females

6805

F18-39

6805

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17865

Females

6841

F18-39

6841

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19891

Females

7995

F18-39

7995

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19645

Females

7906

F18-39

7906

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19844

Females

8068

F18-39

8068

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19195

Females

7750

F18-39

7750

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18879

Females

7539

F18-39

7539

Passing Analysis

Category:
Athletes Passed
2431
Passed By
756
Net Change
+1675
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22378
5K → 10K227287-60#22378#22438
10K → 15K31278+234#22438#22204
15K → 20K35340+313#22204#21891
20K → Half718+63#21891#21828
Half → 25K28025+255#21828#21573
25K → 30K276115+161#21573#21412
30K → 20M19514+181#21412#21231
20M → 21M21317+196#21231#21035
21M → 35K1285+123#21035#20912
35K → 23M11673+43#20912#20869
23M → 24M7630+46#20869#20823
24M → 40K7135+36#20823#20787
40K → 25.2M4414+30#20787#20757
25.2M → Finish6915+54#20757#20703
TOTALS2431756+1675
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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