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BOSTON MARATHON 2025

Midori Kawaguchi

Bib: 25527•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
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
9:31/mi
29:33
↑ 97↓ 3451.5%
10K· 6.21 mi
9:41/mi
59:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:53/mi
1:30:19
↑ 67↓ 78
20K· 12.43 mi
11:22/mi
2:05:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:20/mi
2:12:41
↑ 19↓ 370.5%
25K· 15.53 mi
10:43/mi
2:38:41
↑ 66↓ 880.2%
30K· 18.64 mi
11:04/mi
3:13:05
↑ 181↓ 1480.2%
20M
11:07/mi
3:28:12
↑ 64↓ 500.2%
21M
12:57/mi
3:41:09
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:48:43
↑ 17↓ 861.7%
23M
10:21/mi
4:01:41
↑ 23↓ 630.6%
24M
10:09/mi
4:11:50
↓ 821.3%
40K· 24.85 mi
9:58/mi
4:20:21
↓ 200.3%
25.2M
12:28/mi
4:24:39
↑ 13↓ 160.2%
Finish· 26.22 mi
9:58/mi
4:34:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:41
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:22:07
Pace10:50 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4429:339:3129:33
9:31
-
10K
6.21 mi12:14:4959:389:3630:05
9:41
+0:10
15K
9.32 mi12:45:301:30:199:4130:41
9:53
+0:12
20K
12.43 mi13:20:492:05:3810:0735:19
11:22
+1:29
Half
13.11 mi13:27:522:12:4110:077:03
10:20
-1:02
25K
15.53 mi13:53:522:38:4110:1326:00
10:43
+0:23
30K
18.64 mi14:28:163:13:0510:2134:24
11:04
+0:21
20M
20.00 mi14:43:233:28:1210:2515:07
11:07
+0:03
21M
21.00 mi14:56:203:41:0910:3212:57
12:57
+1:50
35K
21.75 mi15:03:543:48:4310:317:34
10:07
-2:50
23M
23.00 mi15:16:524:01:4110:3012:58
10:21
+0:14
24M
24.00 mi15:27:014:11:5010:3010:09
10:09
-0:12
40K
24.85 mi15:35:324:20:2110:288:31
9:58
-0:11
25.2M
25.20 mi15:39:504:24:3910:304:18
12:28
+2:30
Finish
26.22 mi15:49:594:34:4810:2910:09
9:58
-2:30

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

9:31 /mi

Average Pace

10:29 /mi

Slowest Pace

12:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:38

22% of race

Time at Steady Pace

1:53:05

41% of race

Time at Slower Pace

1:42:05

37% of race

Average Pace: 10:29 /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 mi11:44:4429:339:3129:33
9:31
#24287
10K
6.21 mi12:14:4959:389:3630:05
9:41
#24451
15K
9.32 mi12:45:301:30:199:4130:41
9:53
#24560
20K
12.43 mi13:20:492:05:3810:0735:19
11:22
#25257
Half
13.11 mi13:27:522:12:4110:077:03
10:20
#25263
25K
15.53 mi13:53:522:38:4110:1326:00
10:43
#25152
30K
18.64 mi14:28:163:13:0510:2134:24
11:04
#24987
20M
20.00 mi14:43:233:28:1210:2515:07
11:07
#24897
21M
21.00 mi14:56:203:41:0910:3212:57
12:57
#24927
35K
21.75 mi15:03:543:48:4310:317:34
10:07
#24839
23M
23.00 mi15:16:524:01:4110:3012:58
10:21
#24705
24M
24.00 mi15:27:014:11:5010:3010:09
10:09
#24604
40K
24.85 mi15:35:324:20:2110:288:31
9:58
#24492
25.2M
25.20 mi15:39:504:24:3910:304:18
12:28
#24494
Finish
26.22 mi15:49:594:34:4810:2910:09
9:58
#24442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi242879844984424721(Top 87%)10066(Top 82%)10066(Top 4534%)
10K6.21 mi3.10 mi24451-1649924-809924-8024578(Top 87%)10003(Top 82%)10003(Top 4506%)
15K9.32 mi3.11 mi24560-1099988-649988-6424721(Top 87%)10066(Top 82%)10066(Top 4534%)
20K12.43 mi3.11 mi25257-69710379-39110379-39126466(Top 93%)11078(Top 91%)11078(Top 4990%)
Half13.11 mi0.68 mi25263-610386-710386-725519(Top 90%)10555(Top 86%)10555(Top 4755%)
25K15.53 mi2.42 mi25152+11110340+4610340+4624758(Top 87%)10158(Top 83%)10158(Top 4576%)
30K18.64 mi3.11 mi24987+16510270+7010270+7024132(Top 85%)9939(Top 81%)9939(Top 4477%)
20M20.00 mi1.36 mi24897+9010241+2910241+2923845(Top 84%)9874(Top 81%)9874(Top 4448%)
21M21.00 mi1.00 mi24927-3010264-2310264-2324987(Top 88%)10563(Top 86%)10563(Top 4758%)
35K21.75 mi0.75 mi24839+8810224+4010224+4022241(Top 78%)9163(Top 75%)9163(Top 4127%)
23M23.00 mi1.25 mi24705+13410172+5210172+5221612(Top 76%)8886(Top 73%)8886(Top 4003%)
24M24.00 mi1.00 mi24604+10110131+4110131+4121817(Top 77%)9049(Top 74%)9049(Top 4076%)
40K24.85 mi0.85 mi24492+11210078+5310078+5320378(Top 72%)8358(Top 68%)8358(Top 3765%)
25.2M25.20 mi0.35 mi24494-210084-610084-624162(Top 85%)10254(Top 84%)10254(Top 4619%)
Finish26.22 mi1.02 mi24442+5210069+1510069+1522833(Top 80%)9591(Top 78%)9591(Top 4320%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24721

Females

10066

F65-69

10066

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24578

Females

10003

F65-69

10003

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24721

Females

10066

F65-69

10066

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

26466

Females

11078

F65-69

11078

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25519

Females

10555

F65-69

10555

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

24758

Females

10158

F65-69

10158

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24132

Females

9939

F65-69

9939

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23845

Females

9874

F65-69

9874

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

24987

Females

10563

F65-69

10563

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22241

Females

9163

F65-69

9163

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21612

Females

8886

F65-69

8886

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21817

Females

9049

F65-69

9049

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20378

Females

8358

F65-69

8358

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24162

Females

10254

F65-69

10254

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22833

Females

9591

F65-69

9591

Passing Analysis

Category:
Athletes Passed
1314
Passed By
1469
Net Change
-155
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24287
5K → 10K153317-164#24287#24451
10K → 15K104213-109#24451#24560
15K → 20K15712-697#24560#25257
20K → Half1622-6#25257#25263
Half → 25K15746+111#25263#25152
25K → 30K20742+165#25152#24987
30K → 20M10717+90#24987#24897
20M → 21M3868-30#24897#24927
21M → 35K979+88#24927#24839
35K → 23M1340+134#24839#24705
23M → 24M1021+101#24705#24604
24M → 40K1142+112#24604#24492
40K → 25.2M1315-2#24492#24494
25.2M → Finish575+52#24494#24442
TOTALS13141469-155
📊

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