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BOSTON MARATHON 2025

Kim Martin

Bib: 23782•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #15845
Start → 5K
7:55/mi
24:35 split
10K· 6.21 mi
49:46
Rank: #16598 (-753)
5K → 10K
8:06/mi
25:11 split
15K· 9.32 mi
1:15:23
Rank: #16994 (-396)
10K → 15K
8:15/mi
25:37 split
20K· 12.43 mi
1:42:11
Rank: #17500 (-506)
15K → 20K
8:38/mi
26:48 split
Half· 13.11 mi
1:48:02
Rank: #17616 (-116)
20K → Half
8:34/mi
5:51 split
25K· 15.53 mi
2:09:49
Rank: #17968 (-352)
Half → 25K
8:59/mi
21:47 split
30K· 18.64 mi
2:40:32
Rank: #18822 (-854)
25K → 30K
9:53/mi
30:43 split
20M
2:54:20
Rank: #19111 (-289)
30K → 20M
10:09/mi
13:48 split
21M
3:05:48
Rank: #19423 (-312)
20M → 21M
11:28/mi
11:28 split
35K· 21.75 mi
3:13:12
Rank: #19555 (-132)
21M → 35K
9:53/mi
7:24 split
23M
3:26:15
Rank: #19741 (-186)
35K → 23M
10:25/mi
13:03 split
24M
3:36:31
Rank: #19904 (-163)
23M → 24M
10:16/mi
10:16 split
40K· 24.85 mi
3:45:38
Rank: #20054 (-150)
24M → 40K
10:40/mi
9:07 split
25.2M
3:49:46
Rank: #20154 (-100)
40K → 25.2M
11:59/mi
4:08 split
Finish· 26.22 mi
4:00:25
Rank: #20417 (-263)
25.2M → Finish
10:27/mi
10:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:02
Pace8:14 /mi
2nd Half
Distance13.11 mi
Time2:12:23
Pace10:06 /mi
📊Positive Split: 22.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5724:357:5524:35
7:55
-
10K
6.21 mi11:47:0849:468:0125:11
8:06
+0:11
15K
9.32 mi12:12:451:15:238:0525:37
8:15
+0:09
20K
12.43 mi12:39:331:42:118:1326:48
8:38
+0:23
Half
13.11 mi12:45:241:48:028:145:51
8:34
-0:04
25K
15.53 mi13:07:112:09:498:2121:47
8:59
+0:25
30K
18.64 mi13:37:542:40:328:3730:43
9:53
+0:54
20M
20.00 mi13:51:422:54:208:4313:48
10:09
+0:16
21M
21.00 mi14:03:103:05:488:5111:28
11:28
+1:19
35K
21.75 mi14:10:343:13:128:537:24
9:53
-1:35
23M
23.00 mi14:23:373:26:158:5813:03
10:25
+0:32
24M
24.00 mi14:33:533:36:319:0110:16
10:16
-0:09
40K
24.85 mi14:43:003:45:389:059:07
10:40
+0:24
25.2M
25.20 mi14:47:083:49:469:074:08
11:59
+1:19
Finish
26.22 mi14:57:474:00:259:1110:39
10:27
-1:32

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

7:55 /mi

Average Pace

9:11 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:49

54% of race

Time at Steady Pace

1:25:53

36% of race

Time at Slower Pace

24:43

10% of race

Average Pace: 9:10 /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 mi11:21:5724:357:5524:35
7:55
#15845
10K
6.21 mi11:47:0849:468:0125:11
8:06
#16598
15K
9.32 mi12:12:451:15:238:0525:37
8:15
#16994
20K
12.43 mi12:39:331:42:118:1326:48
8:38
#17500
Half
13.11 mi12:45:241:48:028:145:51
8:34
#17616
25K
15.53 mi13:07:112:09:498:2121:47
8:59
#17968
30K
18.64 mi13:37:542:40:328:3730:43
9:53
#18822
20M
20.00 mi13:51:422:54:208:4313:48
10:09
#19111
21M
21.00 mi14:03:103:05:488:5111:28
11:28
#19423
35K
21.75 mi14:10:343:13:128:537:24
9:53
#19555
23M
23.00 mi14:23:373:26:158:5813:03
10:25
#19741
24M
24.00 mi14:33:533:36:319:0110:16
10:16
#19904
40K
24.85 mi14:43:003:45:389:059:07
10:40
#20054
25.2M
25.20 mi14:47:083:49:469:074:08
11:59
#20154
Finish
26.22 mi14:57:474:00:259:1110:39
10:27
#20417
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi158455054505417715(Top 62%)6153(Top 50%)6153(Top 472%)
10K6.21 mi3.10 mi16598-7535496-4425496-44217261(Top 61%)5865(Top 48%)5865(Top 450%)
15K9.32 mi3.11 mi16994-3965711-2155711-21517715(Top 62%)6153(Top 50%)6153(Top 472%)
20K12.43 mi3.11 mi17500-5066031-3206031-32018999(Top 67%)6919(Top 57%)6919(Top 531%)
Half13.11 mi0.68 mi17616-1166107-766107-7619745(Top 70%)7333(Top 60%)7333(Top 563%)
25K15.53 mi2.42 mi17968-3526340-2336340-23319839(Top 70%)7441(Top 61%)7441(Top 571%)
30K18.64 mi3.11 mi18822-8546843-5036843-50321262(Top 75%)8380(Top 69%)8380(Top 643%)
20M20.00 mi1.36 mi19111-2897042-1997042-19921448(Top 76%)8598(Top 70%)8598(Top 660%)
21M21.00 mi1.00 mi19423-3127248-2067248-20622564(Top 79%)9276(Top 76%)9276(Top 712%)
35K21.75 mi0.75 mi19555-1327340-927340-9221601(Top 76%)8824(Top 72%)8824(Top 677%)
23M23.00 mi1.25 mi19741-1867479-1397479-13921811(Top 77%)8968(Top 73%)8968(Top 688%)
24M24.00 mi1.00 mi19904-1637596-1177596-11722137(Top 78%)9204(Top 75%)9204(Top 706%)
40K24.85 mi0.85 mi20054-1507688-927688-9222351(Top 79%)9384(Top 77%)9384(Top 720%)
25.2M25.20 mi0.35 mi20154-1007753-657753-6523208(Top 82%)9759(Top 80%)9759(Top 749%)
Finish26.22 mi1.02 mi20417-2637901-1487901-14824178(Top 85%)10255(Top 84%)10255(Top 787%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17715

Females

6153

F50-54

6153

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17261

Females

5865

F50-54

5865

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17715

Females

6153

F50-54

6153

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

18999

Females

6919

F50-54

6919

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19745

Females

7333

F50-54

7333

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19839

Females

7441

F50-54

7441

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21262

Females

8380

F50-54

8380

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21448

Females

8598

F50-54

8598

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22564

Females

9276

F50-54

9276

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21601

Females

8824

F50-54

8824

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

21811

Females

8968

F50-54

8968

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22137

Females

9204

F50-54

9204

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

22351

Females

9384

F50-54

9384

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23208

Females

9759

F50-54

9759

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24178

Females

10255

F50-54

10255

Passing Analysis

Category:
Athletes Passed
678
Passed By
5250
Net Change
-4572
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15845
5K → 10K113866-753#15845#16598
10K → 15K106502-396#16598#16994
15K → 20K83589-506#16994#17500
20K → Half10126-116#17500#17616
Half → 25K85437-352#17616#17968
25K → 30K64918-854#17968#18822
30K → 20M40329-289#18822#19111
20M → 21M33345-312#19111#19423
21M → 35K22154-132#19423#19555
35K → 23M45231-186#19555#19741
23M → 24M32195-163#19741#19904
24M → 40K25175-150#19904#20054
40K → 25.2M9109-100#20054#20154
25.2M → Finish11274-263#20154#20417
TOTALS6785250-4572
📊

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