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BOSTON MARATHON 2025

Miho Richardson Imazu

Bib: 9708•F

SC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Female)
#0 / 12228
Top 7%
Division (F18-39)
#0 / 5469
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:14
Rank: #6606
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:20
Rank: #6438 (+168)
5K → 10K
21:06 | 6:47/mi
15K· 9.32 mi
1:03:26
Rank: #6270 (+168)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:25:06
Rank: #6391 (-121)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:29:50
Rank: #6444 (-53)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:17
Rank: #6618 (-174)
Half → 25K
17:27 | 7:12/mi
30K· 18.64 mi
2:10:24
Rank: #6631 (-13)
25K → 30K
23:07 | 7:26/mi
20M
2:20:40
Rank: #6594 (+37)
30K → 20M
10:16 | 7:33/mi
21M
2:28:33
Rank: #6531 (+63)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:34:00
Rank: #6516 (+15)
21M → 35K
5:27 | 7:17/mi
23M
2:43:31
Rank: #6472 (+44)
35K → 23M
9:31 | 7:36/mi
24M
2:51:11
Rank: #6514 (-42)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
2:57:30
Rank: #6439 (+75)
24M → 40K
6:19 | 7:23/mi
25.2M
3:00:23
Rank: #6437 (+2)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:07:56
Rank: #6474 (-37)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:50
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:38:06
Pace7:29 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0821:146:5021:14
6:50
-
10K
6.21 mi11:08:1442:206:4921:06
6:47
-0:03
15K
9.32 mi11:29:201:03:266:4821:06
6:47
0:00
20K
12.43 mi11:51:001:25:066:5121:40
6:58
+0:11
Half
13.11 mi11:55:441:29:506:514:44
6:56
-0:02
25K
15.53 mi12:13:111:47:176:5417:27
7:12
+0:16
30K
18.64 mi12:36:182:10:247:0023:07
7:26
+0:14
20M
20.00 mi12:46:342:20:407:0210:16
7:33
+0:07
21M
21.00 mi12:54:272:28:337:047:53
7:53
+0:20
35K
21.75 mi12:59:542:34:007:055:27
7:17
-0:36
23M
23.00 mi13:09:252:43:317:079:31
7:36
+0:19
24M
24.00 mi13:17:052:51:117:087:40
7:40
+0:04
40K
24.85 mi13:23:242:57:307:086:19
7:23
-0:17
25.2M
25.20 mi13:26:173:00:237:092:53
8:22
+0:59
Finish
26.22 mi13:33:503:07:567:107:33
7:25
-0:57

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

6:47 /mi

Average Pace

7:10 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:50

48% of race

Time at Steady Pace

1:10:09

37% of race

Time at Slower Pace

27:57

15% of race

Average Pace: 7:10 /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 mi10:47:0821:146:5021:14
6:50
#6606
10K
6.21 mi11:08:1442:206:4921:06
6:47
#6438
15K
9.32 mi11:29:201:03:266:4821:06
6:47
#6270
20K
12.43 mi11:51:001:25:066:5121:40
6:58
#6391
Half
13.11 mi11:55:441:29:506:514:44
6:56
#6444
25K
15.53 mi12:13:111:47:176:5417:27
7:12
#6618
30K
18.64 mi12:36:182:10:247:0023:07
7:26
#6631
20M
20.00 mi12:46:342:20:407:0210:16
7:33
#6594
21M
21.00 mi12:54:272:28:337:047:53
7:53
#6531
35K
21.75 mi12:59:542:34:007:055:27
7:17
#6516
23M
23.00 mi13:09:252:43:317:079:31
7:36
#6472
24M
24.00 mi13:17:052:51:117:087:40
7:40
#6514
40K
24.85 mi13:23:242:57:307:086:19
7:23
#6439
25.2M
25.20 mi13:26:173:00:237:092:53
8:22
#6437
Finish
26.22 mi13:33:503:07:567:107:33
7:25
#6474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi66065945946029(Top 21%)536(Top 4%)536(Top 10%)
10K6.21 mi3.10 mi6438+168558+36558+366330(Top 22%)572(Top 5%)572(Top 10%)
15K9.32 mi3.11 mi6270+168532+26532+266029(Top 21%)536(Top 4%)536(Top 10%)
20K12.43 mi3.11 mi6391-121586-54586-546734(Top 24%)715(Top 6%)715(Top 13%)
Half13.11 mi0.68 mi6444-53601-15601-157196(Top 25%)820(Top 7%)820(Top 15%)
25K15.53 mi2.42 mi6618-174641-40641-407605(Top 27%)1066(Top 9%)1066(Top 19%)
30K18.64 mi3.11 mi6631-13684-43684-437314(Top 26%)1129(Top 9%)1129(Top 21%)
20M20.00 mi1.36 mi6594+37701-17701-177406(Top 26%)1301(Top 11%)1301(Top 24%)
21M21.00 mi1.00 mi6531+63707-6707-66713(Top 24%)1182(Top 10%)1182(Top 22%)
35K21.75 mi0.75 mi6516+15715-8715-87159(Top 25%)1336(Top 11%)1336(Top 24%)
23M23.00 mi1.25 mi6472+44726-11726-117270(Top 26%)1506(Top 12%)1506(Top 28%)
24M24.00 mi1.00 mi6514-42763-37763-378906(Top 31%)2269(Top 19%)2269(Top 41%)
40K24.85 mi0.85 mi6439+75767-4767-46150(Top 22%)1190(Top 10%)1190(Top 22%)
25.2M25.20 mi0.35 mi6437+2781-14781-147982(Top 28%)2040(Top 17%)2040(Top 37%)
Finish26.22 mi1.02 mi6474-37821-40821-408559(Top 30%)2306(Top 19%)2306(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6029

Females

536

F18-39

536

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6330

Females

572

F18-39

572

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6029

Females

536

F18-39

536

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6734

Females

715

F18-39

715

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7196

Females

820

F18-39

820

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7605

Females

1066

F18-39

1066

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7314

Females

1129

F18-39

1129

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7406

Females

1301

F18-39

1301

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6713

Females

1182

F18-39

1182

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7159

Females

1336

F18-39

1336

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7270

Females

1506

F18-39

1506

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8906

Females

2269

F18-39

2269

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6150

Females

1190

F18-39

1190

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7982

Females

2040

F18-39

2040

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8559

Females

2306

F18-39

2306

Passing Analysis

Category:
Athletes Passed
1466
Passed By
1334
Net Change
+132
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6606
5K → 10K272104+168#6606#6438
10K → 15K24476+168#6438#6270
15K → 20K100221-121#6270#6391
20K → Half861-53#6391#6444
Half → 25K84258-174#6444#6618
25K → 30K175188-13#6618#6631
30K → 20M10366+37#6631#6594
20M → 21M10037+63#6594#6531
21M → 35K5035+15#6531#6516
35K → 23M10763+44#6516#6472
23M → 24M4587-42#6472#6514
24M → 40K9318+75#6514#6439
40K → 25.2M2725+2#6439#6437
25.2M → Finish5895-37#6437#6474
TOTALS14661334+132
📊

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