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BOSTON MARATHON 2025

Heather Mccarthy

Bib: 22314•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 37%
Division (F45-49)
#0 / 1813
Top 47%
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
8:09/mi
25:18
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:33
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:16:06
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:41:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:47:32
↑ 19↓ 370.5%
25K· 15.53 mi
8:27/mi
2:08:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:35:33
↑ 181↓ 1480.2%
20M
8:54/mi
2:47:39
↑ 64↓ 500.2%
21M
9:30/mi
2:57:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:03:39
↑ 17↓ 861.7%
23M
9:05/mi
3:15:01
↑ 23↓ 630.6%
24M
8:52/mi
3:23:53
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:31:39
↓ 200.3%
25.2M
10:09/mi
3:35:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:42/mi
3:44:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:56:29
Pace8:53 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1525:188:0925:18
8:09
-
10K
6.21 mi11:47:3050:338:0825:15
8:08
-0:01
15K
9.32 mi12:13:031:16:068:1025:33
8:13
+0:05
20K
12.43 mi12:38:561:41:598:1225:53
8:20
+0:07
Half
13.11 mi12:44:291:47:328:125:33
8:08
-0:12
25K
15.53 mi13:04:592:08:028:1520:30
8:27
+0:19
30K
18.64 mi13:32:302:35:338:2127:31
8:51
+0:24
20M
20.00 mi13:44:362:47:398:2312:06
8:54
+0:03
21M
21.00 mi13:54:062:57:098:269:30
9:30
+0:36
35K
21.75 mi14:00:363:03:398:276:30
8:41
-0:49
23M
23.00 mi14:11:583:15:018:2911:22
9:05
+0:24
24M
24.00 mi14:20:503:23:538:308:52
8:52
-0:13
40K
24.85 mi14:28:363:31:398:317:46
9:05
+0:13
25.2M
25.20 mi14:32:063:35:098:323:30
10:09
+1:04
Finish
26.22 mi14:40:583:44:018:338:52
8:42
-1:27

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

8:08 /mi

Average Pace

8:33 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:32

48% of race

Time at Steady Pace

1:24:21

38% of race

Time at Slower Pace

32:08

14% of race

Average Pace: 8:33 /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 mi11:22:1525:188:0925:18
8:09
#17694
10K
6.21 mi11:47:3050:338:0825:15
8:08
#17532
15K
9.32 mi12:13:031:16:068:1025:33
8:13
#17529
20K
12.43 mi12:38:561:41:598:1225:53
8:20
#17386
Half
13.11 mi12:44:291:47:328:125:33
8:08
#17343
25K
15.53 mi13:04:592:08:028:1520:30
8:27
#17225
30K
18.64 mi13:32:302:35:338:2127:31
8:51
#17115
20M
20.00 mi13:44:362:47:398:2312:06
8:54
#17033
21M
21.00 mi13:54:062:57:098:269:30
9:30
#16922
35K
21.75 mi14:00:363:03:398:276:30
8:41
#16896
23M
23.00 mi14:11:583:15:018:2911:22
9:05
#16875
24M
24.00 mi14:20:503:23:538:308:52
8:52
#16862
40K
24.85 mi14:28:363:31:398:317:46
9:05
#16842
25.2M
25.20 mi14:32:063:35:098:323:30
10:09
#16856
Finish
26.22 mi14:40:583:44:018:338:52
8:42
#16904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi176946150615017558(Top 62%)6050(Top 49%)6050(Top 334%)
10K6.21 mi3.10 mi17532+1626058+926058+9217408(Top 61%)5943(Top 49%)5943(Top 328%)
15K9.32 mi3.11 mi17529+36029+296029+2917558(Top 62%)6050(Top 49%)6050(Top 334%)
20K12.43 mi3.11 mi17386+1435968+615968+6117117(Top 60%)5836(Top 48%)5836(Top 322%)
Half13.11 mi0.68 mi17343+435947+215947+2116920(Top 60%)5723(Top 47%)5723(Top 316%)
25K15.53 mi2.42 mi17225+1185897+505897+5016924(Top 60%)5813(Top 48%)5813(Top 321%)
30K18.64 mi3.11 mi17115+1105881+165881+1616938(Top 60%)5997(Top 49%)5997(Top 331%)
20M20.00 mi1.36 mi17033+825864+175864+1716285(Top 57%)5767(Top 47%)5767(Top 318%)
21M21.00 mi1.00 mi16922+1115827+375827+3716102(Top 57%)5761(Top 47%)5761(Top 318%)
35K21.75 mi0.75 mi16896+265833-65833-616639(Top 59%)6135(Top 50%)6135(Top 338%)
23M23.00 mi1.25 mi16875+215861-285861-2816714(Top 59%)6281(Top 51%)6281(Top 346%)
24M24.00 mi1.00 mi16862+135878-175878-1716683(Top 59%)6308(Top 52%)6308(Top 348%)
40K24.85 mi0.85 mi16842+205901-235901-2316790(Top 59%)6470(Top 53%)6470(Top 357%)
25.2M25.20 mi0.35 mi16856-145921-205921-2017712(Top 62%)6964(Top 57%)6964(Top 384%)
Finish26.22 mi1.02 mi16904-485965-445965-4417488(Top 62%)6810(Top 56%)6810(Top 376%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17558

Females

6050

F45-49

6050

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17408

Females

5943

F45-49

5943

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17558

Females

6050

F45-49

6050

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17117

Females

5836

F45-49

5836

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16920

Females

5723

F45-49

5723

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16924

Females

5813

F45-49

5813

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16938

Females

5997

F45-49

5997

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16285

Females

5767

F45-49

5767

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16102

Females

5761

F45-49

5761

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

16639

Females

6135

F45-49

6135

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

16714

Females

6281

F45-49

6281

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16683

Females

6308

F45-49

6308

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16790

Females

6470

F45-49

6470

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17712

Females

6964

F45-49

6964

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17488

Females

6810

F45-49

6810

Passing Analysis

Category:
Athletes Passed
2124
Passed By
1334
Net Change
+790
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17694
5K → 10K371209+162#17694#17532
10K → 15K209206+3#17532#17529
15K → 20K251108+143#17529#17386
20K → Half5613+43#17386#17343
Half → 25K221103+118#17343#17225
25K → 30K271161+110#17225#17115
30K → 20M12947+82#17115#17033
20M → 21M17261+111#17033#16922
21M → 35K7347+26#16922#16896
35K → 23M11897+21#16896#16875
23M → 24M8168+13#16875#16862
24M → 40K8464+20#16862#16842
40K → 25.2M3448-14#16842#16856
25.2M → Finish54102-48#16856#16904
TOTALS21241334+790
📊

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