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BOSTON MARATHON 2025

Kate Brown

Bib: 26555•F

MA

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
12:08/mi
37:42
↑ 97↓ 3451.5%
10K· 6.21 mi
12:54/mi
1:17:46
↑ 79↓ 1380.4%
15K· 9.32 mi
12:53/mi
1:57:49
↑ 67↓ 78
20K· 12.43 mi
13:19/mi
2:39:12
↑ 106↓ 860.1%
Half· 13.11 mi
12:42/mi
2:47:52
↑ 19↓ 370.5%
25K· 15.53 mi
13:41/mi
3:21:03
↑ 66↓ 880.2%
30K· 18.64 mi
14:33/mi
4:06:15
↑ 181↓ 1480.2%
20M
14:12/mi
4:25:33
↑ 64↓ 500.2%
21M
15:08/mi
4:40:41
↑ 106↓ 241.6%
35K· 21.75 mi
13:57/mi
4:51:07
↑ 17↓ 861.7%
23M
13:46/mi
5:08:21
↑ 23↓ 630.6%
24M
13:08/mi
5:21:29
↓ 821.3%
40K· 24.85 mi
13:34/mi
5:33:05
↓ 200.3%
25.2M
14:50/mi
5:38:12
↑ 13↓ 160.2%
Finish· 26.22 mi
12:21/mi
5:50:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:47:52
Pace12:48 /mi
2nd Half
Distance13.11 mi
Time3:02:55
Pace13:57 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2337:4212:0837:42
12:08
-
10K
6.21 mi12:33:271:17:4612:3140:04
12:54
+0:46
15K
9.32 mi13:13:301:57:4912:3840:03
12:53
-0:01
20K
12.43 mi13:54:532:39:1212:4941:23
13:19
+0:26
Half
13.11 mi14:03:332:47:5212:488:40
12:42
-0:37
25K
15.53 mi14:36:443:21:0312:5733:11
13:41
+0:59
30K
18.64 mi15:21:564:06:1513:1345:12
14:33
+0:52
20M
20.00 mi15:41:144:25:3313:1719:18
14:12
-0:21
21M
21.00 mi15:56:224:40:4113:2215:08
15:08
+0:56
35K
21.75 mi16:06:484:51:0713:2310:26
13:57
-1:11
23M
23.00 mi16:24:025:08:2113:2417:14
13:46
-0:11
24M
24.00 mi16:37:105:21:2913:2413:08
13:08
-0:38
40K
24.85 mi16:48:465:33:0513:2411:36
13:34
+0:26
25.2M
25.20 mi16:53:535:38:1213:255:07
14:50
+1:16
Finish
26.22 mi17:06:285:50:4713:2312:35
12:21
-2:29

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

12:08 /mi

Average Pace

13:23 /mi

Slowest Pace

15:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:12

43% of race

Time at Steady Pace

1:53:50

32% of race

Time at Slower Pace

1:24:45

24% of race

Average Pace: 13:23 /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 mi11:53:2337:4212:0837:42
12:08
#28264
10K
6.21 mi12:33:271:17:4612:3140:04
12:54
#28293
15K
9.32 mi13:13:301:57:4912:3840:03
12:53
#28272
20K
12.43 mi13:54:532:39:1212:4941:23
13:19
#28246
Half
13.11 mi14:03:332:47:5212:488:40
12:42
#28233
25K
15.53 mi14:36:443:21:0312:5733:11
13:41
#28180
30K
18.64 mi15:21:564:06:1513:1345:12
14:33
#28164
20M
20.00 mi15:41:144:25:3313:1719:18
14:12
#28143
21M
21.00 mi15:56:224:40:4113:2215:08
15:08
#28124
35K
21.75 mi16:06:484:51:0713:2310:26
13:57
#28122
23M
23.00 mi16:24:025:08:2113:2417:14
13:46
#28106
24M
24.00 mi16:37:105:21:2913:2413:08
13:08
#28084
40K
24.85 mi16:48:465:33:0513:2411:36
13:34
#28060
25.2M
25.20 mi16:53:535:38:1213:255:07
14:50
#28052
Finish
26.22 mi17:06:285:50:4713:2312:35
12:21
#28025
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi28264121351213528126(Top 99%)12059(Top 99%)12059(Top 702%)
10K6.21 mi3.10 mi28293-2912159-2412159-2428308(Top 100%)12173(Top 100%)12173(Top 709%)
15K9.32 mi3.11 mi28272+2112149+1012149+1028126(Top 99%)12059(Top 99%)12059(Top 702%)
20K12.43 mi3.11 mi28246+2612139+1012139+1027986(Top 99%)11987(Top 98%)11987(Top 698%)
Half13.11 mi0.68 mi28233+1312131+812131+827861(Top 98%)11923(Top 98%)11923(Top 694%)
25K15.53 mi2.42 mi28180+5312096+3512096+3527727(Top 98%)11847(Top 97%)11847(Top 690%)
30K18.64 mi3.11 mi28164+1612089+712089+727823(Top 98%)11963(Top 98%)11963(Top 696%)
20M20.00 mi1.36 mi28143+2112080+912080+927428(Top 97%)11780(Top 96%)11780(Top 686%)
21M21.00 mi1.00 mi28124+1912073+712073+727259(Top 96%)11705(Top 96%)11705(Top 681%)
35K21.75 mi0.75 mi28122+2120731207327651(Top 97%)11935(Top 98%)11935(Top 695%)
23M23.00 mi1.25 mi28106+1612066+712066+727123(Top 95%)11669(Top 95%)11669(Top 679%)
24M24.00 mi1.00 mi28084+2212057+912057+926989(Top 95%)11632(Top 95%)11632(Top 677%)
40K24.85 mi0.85 mi28060+2412046+1112046+1126819(Top 94%)11561(Top 95%)11561(Top 673%)
25.2M25.20 mi0.35 mi28052+812045+112045+126998(Top 95%)11666(Top 95%)11666(Top 679%)
Finish26.22 mi1.02 mi28025+2712034+1112034+1127162(Top 96%)11699(Top 96%)11699(Top 681%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

28126

Females

12059

F40-44

12059

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

28308

Females

12173

F40-44

12173

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

28126

Females

12059

F40-44

12059

15K→20K

9.3 - 12.4 mi

Top 99%
×5story building
+106ft-86ft

Overall

27986

Females

11987

F40-44

11987

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

27861

Females

11923

F40-44

11923

Half→25K

13.1 - 15.5 mi

Top 98%
×4story building
+66ft-88ft

Overall

27727

Females

11847

F40-44

11847

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

27823

Females

11963

F40-44

11963

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

27428

Females

11780

F40-44

11780

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

27259

Females

11705

F40-44

11705

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27651

Females

11935

F40-44

11935

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

27123

Females

11669

F40-44

11669

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26989

Females

11632

F40-44

11632

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26819

Females

11561

F40-44

11561

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

26998

Females

11666

F40-44

11666

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

27162

Females

11699

F40-44

11699

Passing Analysis

Category:
Athletes Passed
363
Passed By
124
Net Change
+239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28264
5K → 10K1645-29#28264#28293
10K → 15K3312+21#28293#28272
15K → 20K3711+26#28272#28246
20K → Half174+13#28246#28233
Half → 25K574+53#28233#28180
25K → 30K3721+16#28180#28164
30K → 20M243+21#28164#28143
20M → 21M256+19#28143#28124
21M → 35K1210+2#28124#28122
35K → 23M226+16#28122#28106
23M → 24M220+22#28106#28084
24M → 40K251+24#28084#28060
40K → 25.2M80+8#28060#28052
25.2M → Finish281+27#28052#28025
TOTALS363124+239
📊

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