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BOSTON MARATHON 2025

Momoko Kato

Bib: 29101•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:09
Rank: #19416
Start → 5K
26:09 | 8:25/mi
10K· 6.21 mi
51:26
Rank: #18476 (+940)
5K → 10K
25:17 | 8:08/mi
15K· 9.32 mi
1:17:07
Rank: #18240 (+236)
10K → 15K
25:41 | 8:16/mi
20K· 12.43 mi
1:43:49
Rank: #18339 (-99)
15K → 20K
26:42 | 8:36/mi
Half· 13.11 mi
1:49:45
Rank: #18458 (-119)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:11:39
Rank: #18761 (-303)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:41:09
Rank: #19017 (-256)
25K → 30K
29:30 | 9:30/mi
20M
2:54:04
Rank: #19051 (-34)
30K → 20M
12:55 | 9:30/mi
21M
3:04:36
Rank: #19125 (-74)
20M → 21M
10:32 | 10:32/mi
35K· 21.75 mi
3:11:29
Rank: #19143 (-18)
21M → 35K
6:53 | 9:12/mi
23M
3:23:38
Rank: #19166 (-23)
35K → 23M
12:09 | 9:42/mi
24M
3:32:46
Rank: #19118 (+48)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:41:03
Rank: #19130 (-12)
24M → 40K
8:17 | 9:41/mi
25.2M
3:44:47
Rank: #19143 (-13)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:54:10
Rank: #19170 (-27)
25.2M → Finish
9:23 | 9:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:45
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:04:25
Pace9:29 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5126:098:2526:09
8:25
-
10K
6.21 mi12:10:0851:268:1725:17
8:08
-0:17
15K
9.32 mi12:35:491:17:078:1625:41
8:16
+0:08
20K
12.43 mi13:02:311:43:498:2126:42
8:36
+0:20
Half
13.11 mi13:08:271:49:458:225:56
8:42
+0:06
25K
15.53 mi13:30:212:11:398:2821:54
9:02
+0:20
30K
18.64 mi13:59:512:41:098:3929:30
9:30
+0:28
20M
20.00 mi14:12:462:54:048:4212:55
9:30
0:00
21M
21.00 mi14:23:183:04:368:4710:32
10:32
+1:02
35K
21.75 mi14:30:113:11:298:486:53
9:12
-1:20
23M
23.00 mi14:42:203:23:388:5112:09
9:42
+0:30
24M
24.00 mi14:51:283:32:468:529:08
9:08
-0:34
40K
24.85 mi14:59:453:41:038:548:17
9:41
+0:33
25.2M
25.20 mi15:03:293:44:478:553:44
10:50
+1:09
Finish
26.22 mi15:12:523:54:108:569:23
9:12
-1:38

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

8:56 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:45

47% of race

Time at Steady Pace

1:29:43

38% of race

Time at Slower Pace

34:42

15% of race

Average Pace: 8:56 /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 mi11:44:5126:098:2526:09
8:25
#19416
10K
6.21 mi12:10:0851:268:1725:17
8:08
#18476
15K
9.32 mi12:35:491:17:078:1625:41
8:16
#18240
20K
12.43 mi13:02:311:43:498:2126:42
8:36
#18339
Half
13.11 mi13:08:271:49:458:225:56
8:42
#18458
25K
15.53 mi13:30:212:11:398:2821:54
9:02
#18761
30K
18.64 mi13:59:512:41:098:3929:30
9:30
#19017
20M
20.00 mi14:12:462:54:048:4212:55
9:30
#19051
21M
21.00 mi14:23:183:04:368:4710:32
10:32
#19125
35K
21.75 mi14:30:113:11:298:486:53
9:12
#19143
23M
23.00 mi14:42:203:23:388:5112:09
9:42
#19166
24M
24.00 mi14:51:283:32:468:529:08
9:08
#19118
40K
24.85 mi14:59:453:41:038:548:17
9:41
#19130
25.2M
25.20 mi15:03:293:44:478:553:44
10:50
#19143
Finish
26.22 mi15:12:523:54:108:569:23
9:12
#19170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi194167149714917839(Top 63%)6228(Top 51%)6228(Top 627%)
10K6.21 mi3.10 mi18476+9406602+5476602+54717473(Top 62%)5986(Top 49%)5986(Top 602%)
15K9.32 mi3.11 mi18240+2366469+1336469+13317839(Top 63%)6228(Top 51%)6228(Top 627%)
20K12.43 mi3.11 mi18339-996535-666535-6618826(Top 66%)6813(Top 56%)6813(Top 685%)
Half13.11 mi0.68 mi18458-1196591-566591-5620370(Top 72%)7671(Top 63%)7671(Top 772%)
25K15.53 mi2.42 mi18761-3036780-1896780-18920054(Top 71%)7559(Top 62%)7559(Top 760%)
30K18.64 mi3.11 mi19017-2566965-1856965-18519926(Top 70%)7620(Top 62%)7620(Top 767%)
20M20.00 mi1.36 mi19051-347010-457010-4519211(Top 68%)7376(Top 60%)7376(Top 742%)
21M21.00 mi1.00 mi19125-747068-587068-5820114(Top 71%)7969(Top 65%)7969(Top 802%)
35K21.75 mi0.75 mi19143-187097-297097-2919191(Top 68%)7551(Top 62%)7551(Top 760%)
23M23.00 mi1.25 mi19166-237138-417138-4119463(Top 69%)7758(Top 63%)7758(Top 780%)
24M24.00 mi1.00 mi19118+487133+57133+518057(Top 64%)7067(Top 58%)7067(Top 711%)
40K24.85 mi0.85 mi19130-127164-317164-3119440(Top 68%)7856(Top 64%)7856(Top 790%)
25.2M25.20 mi0.35 mi19143-137188-247188-2420136(Top 71%)8226(Top 67%)8226(Top 828%)
Finish26.22 mi1.02 mi19170-277228-407228-4019988(Top 70%)8136(Top 67%)8136(Top 819%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

17839

Females

6228

F55-59

6228

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17473

Females

5986

F55-59

5986

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

17839

Females

6228

F55-59

6228

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

18826

Females

6813

F55-59

6813

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20370

Females

7671

F55-59

7671

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

20054

Females

7559

F55-59

7559

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19926

Females

7620

F55-59

7620

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19211

Females

7376

F55-59

7376

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20114

Females

7969

F55-59

7969

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19191

Females

7551

F55-59

7551

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19463

Females

7758

F55-59

7758

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18057

Females

7067

F55-59

7067

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19440

Females

7856

F55-59

7856

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20136

Females

8226

F55-59

8226

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19988

Females

8136

F55-59

8136

Passing Analysis

Category:
Athletes Passed
2239
Passed By
1993
Net Change
+246
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19416
5K → 10K98141+940#19416#18476
10K → 15K31882+236#18476#18240
15K → 20K156255-99#18240#18339
20K → Half9128-119#18339#18458
Half → 25K90393-303#18458#18761
25K → 30K170426-256#18761#19017
30K → 20M94128-34#19017#19051
20M → 21M67141-74#19051#19125
21M → 35K4967-18#19125#19143
35K → 23M79102-23#19143#19166
23M → 24M9042+48#19166#19118
24M → 40K6779-12#19118#19130
40K → 25.2M2740-13#19130#19143
25.2M → Finish4269-27#19143#19170
TOTALS22391993+246
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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