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BOSTON MARATHON 2025

Kristen Meerbrey

Bib: 20490•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
8:05/mi
25:06
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:22
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:15:45
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:41:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:08:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:37:12
↑ 181↓ 1480.2%
20M
9:52/mi
2:50:37
↑ 64↓ 500.2%
21M
10:08/mi
3:00:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:07:27
↑ 17↓ 861.7%
23M
12:58/mi
3:23:41
↑ 23↓ 630.6%
24M
9:15/mi
3:32:56
↓ 821.3%
40K· 24.85 mi
10:34/mi
3:41:58
↓ 200.3%
25.2M
10:12/mi
3:45:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
3:54:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:53
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time2:08:04
Pace9:46 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0525:068:0525:06
8:05
-
10K
6.21 mi11:43:2150:228:0625:16
8:08
+0:03
15K
9.32 mi12:08:441:15:458:0825:23
8:10
+0:02
20K
12.43 mi12:34:151:41:168:0925:31
8:13
+0:03
Half
13.11 mi12:39:521:46:538:095:37
8:14
+0:01
25K
15.53 mi13:01:392:08:408:1721:47
8:59
+0:45
30K
18.64 mi13:30:112:37:128:2628:32
9:11
+0:12
20M
20.00 mi13:43:362:50:378:3213:25
9:52
+0:41
21M
21.00 mi13:53:443:00:458:3610:08
10:08
+0:16
35K
21.75 mi14:00:263:07:278:376:42
8:57
-1:11
23M
23.00 mi14:16:403:23:418:5116:14
12:58
+4:01
24M
24.00 mi14:25:553:32:568:529:15
9:15
-3:43
40K
24.85 mi14:34:573:41:588:569:02
10:34
+1:19
25.2M
25.20 mi14:38:283:45:298:573:31
10:12
-0:22
Finish
26.22 mi14:47:563:54:578:589:28
9:17
-0:55

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

8:05 /mi

Average Pace

8:58 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:53

45% of race

Time at Steady Pace

1:15:44

32% of race

Time at Slower Pace

52:20

22% of race

Average Pace: 8:58 /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 mi11:18:0525:068:0525:06
8:05
#17234
10K
6.21 mi11:43:2150:228:0625:16
8:08
#17308
15K
9.32 mi12:08:441:15:458:0825:23
8:10
#17277
20K
12.43 mi12:34:151:41:168:0925:31
8:13
#17031
Half
13.11 mi12:39:521:46:538:095:37
8:14
#17041
25K
15.53 mi13:01:392:08:408:1721:47
8:59
#17496
30K
18.64 mi13:30:112:37:128:2628:32
9:11
#17689
20M
20.00 mi13:43:362:50:378:3213:25
9:52
#17973
21M
21.00 mi13:53:443:00:458:3610:08
10:08
#18058
35K
21.75 mi14:00:263:07:278:376:42
8:57
#18056
23M
23.00 mi14:16:403:23:418:5116:14
12:58
#19182
24M
24.00 mi14:25:553:32:568:529:15
9:15
#19152
40K
24.85 mi14:34:573:41:588:569:02
10:34
#19322
25.2M
25.20 mi14:38:283:45:298:573:31
10:12
#19281
Finish
26.22 mi14:47:563:54:578:589:28
9:17
#19327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172345881588117216(Top 61%)5860(Top 48%)5860(Top 341%)
10K6.21 mi3.10 mi17308-745914-335914-3317450(Top 61%)5972(Top 49%)5972(Top 348%)
15K9.32 mi3.11 mi17277+315881+335881+3317216(Top 61%)5860(Top 48%)5860(Top 341%)
20K12.43 mi3.11 mi17031+2465760+1215760+12116402(Top 58%)5444(Top 45%)5444(Top 317%)
Half13.11 mi0.68 mi17041-105773-135773-1317574(Top 62%)6100(Top 50%)6100(Top 355%)
25K15.53 mi2.42 mi17496-4556055-2826055-28219832(Top 70%)7434(Top 61%)7434(Top 433%)
30K18.64 mi3.11 mi17689-1936230-1756230-17518591(Top 65%)6888(Top 56%)6888(Top 401%)
20M20.00 mi1.36 mi17973-2846407-1776407-17720530(Top 72%)8094(Top 66%)8094(Top 471%)
21M21.00 mi1.00 mi18058-856467-606467-6018823(Top 66%)7248(Top 59%)7248(Top 422%)
35K21.75 mi0.75 mi18056+26481-146481-1418045(Top 64%)6927(Top 57%)6927(Top 403%)
23M23.00 mi1.25 mi19182-11267151-6707151-67026337(Top 93%)11266(Top 92%)11266(Top 656%)
24M24.00 mi1.00 mi19152+307156-57156-518606(Top 66%)7347(Top 60%)7347(Top 428%)
40K24.85 mi0.85 mi19322-1707276-1207276-12022099(Top 78%)9249(Top 76%)9249(Top 538%)
25.2M25.20 mi0.35 mi19281+417265+117265+1117932(Top 63%)7110(Top 58%)7110(Top 414%)
Finish26.22 mi1.02 mi19327-467312-477312-4720356(Top 72%)8319(Top 68%)8319(Top 484%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17216

Females

5860

F40-44

5860

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17450

Females

5972

F40-44

5972

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17216

Females

5860

F40-44

5860

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

16402

Females

5444

F40-44

5444

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17574

Females

6100

F40-44

6100

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19832

Females

7434

F40-44

7434

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18591

Females

6888

F40-44

6888

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20530

Females

8094

F40-44

8094

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

18823

Females

7248

F40-44

7248

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

18045

Females

6927

F40-44

6927

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26337

Females

11266

F40-44

11266

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18606

Females

7347

F40-44

7347

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22099

Females

9249

F40-44

9249

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17932

Females

7110

F40-44

7110

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20356

Females

8319

F40-44

8319

Passing Analysis

Category:
Athletes Passed
1457
Passed By
3550
Net Change
-2093
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17234
5K → 10K261335-74#17234#17308
10K → 15K214183+31#17308#17277
15K → 20K32074+246#17277#17031
20K → Half3646-10#17031#17041
Half → 25K68523-455#17041#17496
25K → 30K164357-193#17496#17689
30K → 20M55339-284#17689#17973
20M → 21M68153-85#17973#18058
21M → 35K5654+2#18058#18056
35K → 23M81134-1126#18056#19182
23M → 24M7949+30#19182#19152
24M → 40K28198-170#19152#19322
40K → 25.2M5817+41#19322#19281
25.2M → Finish4288-46#19281#19327
TOTALS14573550-2093
📊

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