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BOSTON MARATHON 2025

Julia Mccarthy

Bib: 16429•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 9%
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
6:57/mi
21:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
43:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:04:35
↑ 67↓ 78
20K· 12.43 mi
6:55/mi
1:26:03
↑ 106↓ 860.1%
Half· 13.11 mi
6:52/mi
1:30:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:00/mi
1:47:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:10:17
↑ 181↓ 1480.2%
20M
7:17/mi
2:20:11
↑ 64↓ 500.2%
21M
7:44/mi
2:27:55
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:33:06
↑ 17↓ 861.7%
23M
7:06/mi
2:42:00
↑ 23↓ 630.6%
24M
6:56/mi
2:48:56
↓ 821.3%
40K· 24.85 mi
7:06/mi
2:55:00
↓ 200.3%
25.2M
7:41/mi
2:57:39
↑ 13↓ 160.2%
Finish· 26.22 mi
6:41/mi
3:04:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:44
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:33:44
Pace7:09 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4021:366:5721:36
6:57
-
10K
6.21 mi11:17:1943:156:5821:39
6:58
+0:01
15K
9.32 mi11:38:391:04:356:5621:20
6:52
-0:06
20K
12.43 mi12:00:071:26:036:5521:28
6:55
+0:03
Half
13.11 mi12:04:481:30:446:554:41
6:52
-0:03
25K
15.53 mi12:21:461:47:426:5616:58
7:00
+0:08
30K
18.64 mi12:44:212:10:176:5922:35
7:16
+0:16
20M
20.00 mi12:54:152:20:117:019:54
7:17
+0:01
21M
21.00 mi13:01:592:27:557:037:44
7:44
+0:27
35K
21.75 mi13:07:102:33:067:025:11
6:56
-0:48
23M
23.00 mi13:16:042:42:007:038:54
7:06
+0:10
24M
24.00 mi13:23:002:48:567:026:56
6:56
-0:10
40K
24.85 mi13:29:042:55:007:026:04
7:06
+0:10
25.2M
25.20 mi13:31:432:57:397:032:39
7:41
+0:35
Finish
26.22 mi13:38:323:04:287:026:49
6:41
-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

6:41 /mi

Average Pace

7:02 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:05

94% of race

Time at Steady Pace

10:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi10:55:4021:366:5721:36
6:57
#7455
10K
6.21 mi11:17:1943:156:5821:39
6:58
#7595
15K
9.32 mi11:38:391:04:356:5621:20
6:52
#7300
20K
12.43 mi12:00:071:26:036:5521:28
6:55
#7026
Half
13.11 mi12:04:481:30:446:554:41
6:52
#7000
25K
15.53 mi12:21:461:47:426:5616:58
7:00
#6816
30K
18.64 mi12:44:212:10:176:5922:35
7:16
#6593
20M
20.00 mi12:54:152:20:117:019:54
7:17
#6444
21M
21.00 mi13:01:592:27:557:037:44
7:44
#6347
35K
21.75 mi13:07:102:33:067:025:11
6:56
#6264
23M
23.00 mi13:16:042:42:007:038:54
7:06
#6073
24M
24.00 mi13:23:002:48:567:026:56
6:56
#5945
40K
24.85 mi13:29:042:55:007:026:04
7:06
#5827
25.2M
25.20 mi13:31:432:57:397:032:39
7:41
#5759
Finish
26.22 mi13:38:323:04:287:026:49
6:41
#5631
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74558058056733(Top 24%)663(Top 5%)663(Top 12%)
10K6.21 mi3.10 mi7595-140858-53858-537725(Top 27%)909(Top 7%)909(Top 17%)
15K9.32 mi3.11 mi7300+295778+80778+806733(Top 24%)663(Top 5%)663(Top 12%)
20K12.43 mi3.11 mi7026+274717+61717+616290(Top 22%)618(Top 5%)618(Top 11%)
Half13.11 mi0.68 mi7000+26714+3714+36716(Top 24%)694(Top 6%)694(Top 13%)
25K15.53 mi2.42 mi6816+184691+23691+236333(Top 22%)671(Top 5%)671(Top 12%)
30K18.64 mi3.11 mi6593+223673+18673+186291(Top 22%)758(Top 6%)758(Top 14%)
20M20.00 mi1.36 mi6444+149658+15658+155718(Top 20%)711(Top 6%)711(Top 13%)
21M21.00 mi1.00 mi6347+97652+6652+65852(Top 21%)870(Top 7%)870(Top 16%)
35K21.75 mi0.75 mi6264+83645+7645+74966(Top 17%)597(Top 5%)597(Top 11%)
23M23.00 mi1.25 mi6073+191622+23622+234410(Top 16%)510(Top 4%)510(Top 9%)
24M24.00 mi1.00 mi5945+128612+10612+104296(Top 15%)518(Top 4%)518(Top 9%)
40K24.85 mi0.85 mi5827+118600+12600+124481(Top 16%)628(Top 5%)628(Top 11%)
25.2M25.20 mi0.35 mi5759+68594+6594+64335(Top 15%)657(Top 5%)657(Top 12%)
Finish26.22 mi1.02 mi5631+128574+20574+203837(Top 14%)508(Top 4%)508(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6733

Females

663

F18-39

663

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7725

Females

909

F18-39

909

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6733

Females

663

F18-39

663

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6290

Females

618

F18-39

618

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6716

Females

694

F18-39

694

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6333

Females

671

F18-39

671

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6291

Females

758

F18-39

758

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5718

Females

711

F18-39

711

20M→21M

20.0 - 21.0 mi

Top 21%
×8story building
+106ft-24ft

Overall

5852

Females

870

F18-39

870

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4966

Females

597

F18-39

597

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4410

Females

510

F18-39

510

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4296

Females

518

F18-39

518

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4481

Females

628

F18-39

628

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4335

Females

657

F18-39

657

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3837

Females

508

F18-39

508

Passing Analysis

Category:
Athletes Passed
2372
Passed By
548
Net Change
+1824
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7455
5K → 10K152292-140#7455#7595
10K → 15K32530+295#7595#7300
15K → 20K30531+274#7300#7026
20K → Half4418+26#7026#7000
Half → 25K21632+184#7000#6816
25K → 30K29269+223#6816#6593
30K → 20M16314+149#6593#6444
20M → 21M11720+97#6444#6347
21M → 35K863+83#6347#6264
35K → 23M1998+191#6264#6073
23M → 24M13911+128#6073#5945
24M → 40K1257+118#5945#5827
40K → 25.2M735+68#5827#5759
25.2M → Finish1368+128#5759#5631
TOTALS2372548+1824
📊

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