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BOSTON MARATHON 2025

Heather Kovich

Bib: 23076•F

NM

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
8:39/mi
26:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
54:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:22:29
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:51:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
1:57:16
↑ 19↓ 370.5%
25K· 15.53 mi
9:27/mi
2:20:11
↑ 66↓ 880.2%
30K· 18.64 mi
10:23/mi
2:52:28
↑ 181↓ 1480.2%
20M
10:36/mi
3:06:52
↑ 64↓ 500.2%
21M
11:40/mi
3:18:32
↑ 106↓ 241.6%
35K· 21.75 mi
10:00/mi
3:26:01
↑ 17↓ 861.7%
23M
11:15/mi
3:40:06
↑ 23↓ 630.6%
24M
10:49/mi
3:50:55
↓ 821.3%
40K· 24.85 mi
11:43/mi
4:00:56
↓ 200.3%
25.2M
12:54/mi
4:05:23
↑ 13↓ 160.2%
Finish· 26.22 mi
10:52/mi
4:16:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:16
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:19:11
Pace10:37 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4726:538:3926:53
8:39
-
10K
6.21 mi11:51:0354:098:4327:16
8:47
+0:08
15K
9.32 mi12:19:231:22:298:5128:20
9:07
+0:20
20K
12.43 mi12:47:551:51:018:5628:32
9:11
+0:04
Half
13.11 mi12:54:101:57:168:576:15
9:10
-0:01
25K
15.53 mi13:17:052:20:119:0122:55
9:27
+0:17
30K
18.64 mi13:49:222:52:289:1532:17
10:23
+0:56
20M
20.00 mi14:03:463:06:529:2114:24
10:36
+0:13
21M
21.00 mi14:15:263:18:329:2711:40
11:40
+1:04
35K
21.75 mi14:22:553:26:019:287:29
10:00
-1:40
23M
23.00 mi14:37:003:40:069:3414:05
11:15
+1:15
24M
24.00 mi14:47:493:50:559:3710:49
10:49
-0:26
40K
24.85 mi14:57:504:00:569:4210:01
11:43
+0:54
25.2M
25.20 mi15:02:174:05:239:444:27
12:54
+1:11
Finish
26.22 mi15:13:214:16:279:4711:04
10:52
-2:02

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

8:39 /mi

Average Pace

9:47 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:11

55% of race

Time at Steady Pace

1:16:03

30% of race

Time at Slower Pace

40:13

16% of race

Average Pace: 9:47 /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 mi11:23:4726:538:3926:53
8:39
#20749
10K
6.21 mi11:51:0354:098:4327:16
8:47
#20972
15K
9.32 mi12:19:231:22:298:5128:20
9:07
#21531
20K
12.43 mi12:47:551:51:018:5628:32
9:11
#21621
Half
13.11 mi12:54:101:57:168:576:15
9:10
#21669
25K
15.53 mi13:17:052:20:119:0122:55
9:27
#21661
30K
18.64 mi13:49:222:52:289:1532:17
10:23
#21981
20M
20.00 mi14:03:463:06:529:2114:24
10:36
#22050
21M
21.00 mi14:15:263:18:329:2711:40
11:40
#22100
35K
21.75 mi14:22:553:26:019:287:29
10:00
#22080
23M
23.00 mi14:37:003:40:069:3414:05
11:15
#22189
24M
24.00 mi14:47:493:50:559:3710:49
10:49
#22250
40K
24.85 mi14:57:504:00:569:4210:01
11:43
#22354
25.2M
25.20 mi15:02:174:05:239:444:27
12:54
#22404
Finish
26.22 mi15:13:214:16:279:4711:04
10:52
#22528
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi207497945794522532(Top 79%)8853(Top 72%)8853(Top 488%)
10K6.21 mi3.10 mi20972-2238040-958040-9521272(Top 75%)8187(Top 67%)8187(Top 452%)
15K9.32 mi3.11 mi21531-5598324-2848324-28422532(Top 79%)8853(Top 72%)8853(Top 488%)
20K12.43 mi3.11 mi21621-908392-688392-6821818(Top 77%)8491(Top 69%)8491(Top 468%)
Half13.11 mi0.68 mi21669-488419-278419-2722419(Top 79%)8849(Top 72%)8849(Top 488%)
25K15.53 mi2.42 mi21661+88418+18418+121700(Top 76%)8486(Top 69%)8486(Top 468%)
30K18.64 mi3.11 mi21981-3208614-1968614-19622683(Top 80%)9151(Top 75%)9151(Top 505%)
20M20.00 mi1.36 mi22050-698668-548668-5422673(Top 80%)9243(Top 76%)9243(Top 510%)
21M21.00 mi1.00 mi22100-508722-548722-5422938(Top 81%)9470(Top 77%)9470(Top 522%)
35K21.75 mi0.75 mi22080+208720+28720+221884(Top 77%)8992(Top 74%)8992(Top 496%)
23M23.00 mi1.25 mi22189-1098827-1078827-10723755(Top 84%)9990(Top 82%)9990(Top 551%)
24M24.00 mi1.00 mi22250-618886-598886-5923582(Top 83%)9920(Top 81%)9920(Top 547%)
40K24.85 mi0.85 mi22354-1048954-688954-6824490(Top 86%)10423(Top 85%)10423(Top 575%)
25.2M25.20 mi0.35 mi22404-508991-378991-3724877(Top 88%)10625(Top 87%)10625(Top 586%)
Finish26.22 mi1.02 mi22528-1249077-869077-8625072(Top 88%)10691(Top 87%)10691(Top 590%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22532

Females

8853

F45-49

8853

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

21272

Females

8187

F45-49

8187

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22532

Females

8853

F45-49

8853

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21818

Females

8491

F45-49

8491

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22419

Females

8849

F45-49

8849

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21700

Females

8486

F45-49

8486

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22683

Females

9151

F45-49

9151

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22673

Females

9243

F45-49

9243

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

22938

Females

9470

F45-49

9470

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21884

Females

8992

F45-49

8992

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23755

Females

9990

F45-49

9990

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23582

Females

9920

F45-49

9920

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24490

Females

10423

F45-49

10423

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24877

Females

10625

F45-49

10625

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

25072

Females

10691

F45-49

10691

Passing Analysis

Category:
Athletes Passed
1010
Passed By
2789
Net Change
-1779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20749
5K → 10K176399-223#20749#20972
10K → 15K70629-559#20972#21531
15K → 20K172262-90#21531#21621
20K → Half1765-48#21621#21669
Half → 25K152144+8#21669#21661
25K → 30K103423-320#21661#21981
30K → 20M68137-69#21981#22050
20M → 21M70120-50#22050#22100
21M → 35K5232+20#22100#22080
35K → 23M53162-109#22080#22189
23M → 24M3697-61#22189#22250
24M → 40K17121-104#22250#22354
40K → 25.2M757-50#22354#22404
25.2M → Finish17141-124#22404#22528
TOTALS10102789-1779
📊

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