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BOSTON MARATHON 2025

Morikawa Yuu

Bib: 31667•M

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0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:40
Rank: #18482
Start → 5K
8:16/mi
25:40 split
10K· 6.21 mi
50:54
Rank: #17927 (+555)
5K → 10K
8:07/mi
25:14 split
15K· 9.32 mi
1:16:25
Rank: #17747 (+180)
10K → 15K
8:13/mi
25:31 split
20K· 12.43 mi
1:43:07
Rank: #17982 (-235)
15K → 20K
8:36/mi
26:42 split
Half· 13.11 mi
1:48:59
Rank: #18054 (-72)
20K → Half
8:36/mi
5:52 split
25K· 15.53 mi
2:10:46
Rank: #18386 (-332)
Half → 25K
8:59/mi
21:47 split
30K· 18.64 mi
2:40:28
Rank: #18812 (-426)
25K → 30K
9:34/mi
29:42 split
20M
2:54:26
Rank: #19129 (-317)
30K → 20M
10:17/mi
13:58 split
21M
3:08:58
Rank: #20200 (-1071)
20M → 21M
14:32/mi
14:32 split
35K· 21.75 mi
3:22:58
Rank: #21592 (-1392)
21M → 35K
18:43/mi
14:00 split
23M
3:39:09
Rank: #22055 (-463)
35K → 23M
12:56/mi
16:11 split
24M
3:50:01
Rank: #22136 (-81)
23M → 24M
10:52/mi
10:52 split
40K· 24.85 mi
3:59:21
Rank: #22174 (-38)
24M → 40K
10:55/mi
9:20 split
25.2M
4:03:26
Rank: #22191 (-17)
40K → 25.2M
11:50/mi
4:05 split
Finish· 26.22 mi
4:14:17
Rank: #22261 (-70)
25.2M → Finish
10:39/mi
10:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:59
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:25:18
Pace11:05 /mi
📊Positive Split: 33.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:3025:408:1625:40
8:16
-
10K
6.21 mi12:11:4450:548:1125:14
8:07
-0:09
15K
9.32 mi12:37:151:16:258:1225:31
8:13
+0:06
20K
12.43 mi13:03:571:43:078:1826:42
8:36
+0:23
Half
13.11 mi13:09:491:48:598:195:52
8:36
0:00
25K
15.53 mi13:31:362:10:468:2521:47
8:59
+0:23
30K
18.64 mi14:01:182:40:288:3629:42
9:34
+0:35
20M
20.00 mi14:15:162:54:268:4313:58
10:17
+0:43
21M
21.00 mi14:29:483:08:589:0014:32
14:32
+4:15
35K
21.75 mi14:43:483:22:589:2014:00
18:43
+4:11
23M
23.00 mi14:59:593:39:099:3216:11
12:56
-5:47
24M
24.00 mi15:10:513:50:019:3510:52
10:52
-2:04
40K
24.85 mi15:20:113:59:219:389:20
10:55
+0:03
25.2M
25.20 mi15:24:164:03:269:404:05
11:50
+0:55
Finish
26.22 mi15:35:074:14:179:4210:51
10:39
-1:11

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

8:07 /mi

Average Pace

9:42 /mi

Slowest Pace

18:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:59

43% of race

Time at Steady Pace

1:36:30

38% of race

Time at Slower Pace

48:48

19% of race

Average Pace: 9:42 /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 mi11:46:3025:408:1625:40
8:16
#18482
10K
6.21 mi12:11:4450:548:1125:14
8:07
#17927
15K
9.32 mi12:37:151:16:258:1225:31
8:13
#17747
20K
12.43 mi13:03:571:43:078:1826:42
8:36
#17982
Half
13.11 mi13:09:491:48:598:195:52
8:36
#18054
25K
15.53 mi13:31:362:10:468:2521:47
8:59
#18386
30K
18.64 mi14:01:182:40:288:3629:42
9:34
#18812
20M
20.00 mi14:15:162:54:268:4313:58
10:17
#19129
21M
21.00 mi14:29:483:08:589:0014:32
14:32
#20200
35K
21.75 mi14:43:483:22:589:2014:00
18:43
#21592
23M
23.00 mi14:59:593:39:099:3216:11
12:56
#22055
24M
24.00 mi15:10:513:50:019:3510:52
10:52
#22136
40K
24.85 mi15:20:113:59:219:389:20
10:55
#22174
25.2M
25.20 mi15:24:164:03:269:404:05
11:50
#22191
Finish
26.22 mi15:35:074:14:179:4210:51
10:39
#22261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18482118071180717464(Top 61%)11425(Top 71%)11425(Top 202%)
10K6.21 mi3.10 mi17927+55511598+20911598+20917360(Top 61%)11399(Top 71%)11399(Top 202%)
15K9.32 mi3.11 mi17747+18011520+7811520+7817464(Top 61%)11425(Top 71%)11425(Top 202%)
20K12.43 mi3.11 mi17982-23511606-8611606-8618808(Top 66%)11956(Top 74%)11956(Top 212%)
Half13.11 mi0.68 mi18054-7211632-2611632-2619808(Top 70%)12401(Top 77%)12401(Top 220%)
25K15.53 mi2.42 mi18386-33211764-13211764-13219821(Top 70%)12342(Top 77%)12342(Top 219%)
30K18.64 mi3.11 mi18812-42611923-15911923-15920178(Top 71%)12380(Top 77%)12380(Top 219%)
20M20.00 mi1.36 mi19129-31712024-10112024-10121793(Top 77%)12951(Top 80%)12951(Top 230%)
21M21.00 mi1.00 mi20200-107112450-42612450-42626735(Top 94%)15229(Top 95%)15229(Top 270%)
35K21.75 mi0.75 mi21592-139213083-63313083-63328363(Top 100%)16077(Top 100%)16077(Top 285%)
23M23.00 mi1.25 mi22055-46313247-16413247-16426288(Top 93%)14976(Top 93%)14976(Top 265%)
24M24.00 mi1.00 mi22136-8113264-1713264-1723700(Top 83%)13663(Top 85%)13663(Top 242%)
40K24.85 mi0.85 mi22174-3813263+113263+122944(Top 81%)13213(Top 82%)13213(Top 234%)
25.2M25.20 mi0.35 mi22191-1713266-313266-322869(Top 81%)13212(Top 82%)13212(Top 234%)
Finish26.22 mi1.02 mi22261-7013273-713273-724606(Top 87%)14083(Top 87%)14083(Top 250%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

17464

Males

11425

M18-39

11425

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

17360

Males

11399

M18-39

11399

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

17464

Males

11425

M18-39

11425

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18808

Males

11956

M18-39

11956

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19808

Males

12401

M18-39

12401

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19821

Males

12342

M18-39

12342

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20178

Males

12380

M18-39

12380

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21793

Males

12951

M18-39

12951

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26735

Males

15229

M18-39

15229

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28363

Males

16077

M18-39

16077

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26288

Males

14976

M18-39

14976

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23700

Males

13663

M18-39

13663

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22944

Males

13213

M18-39

13213

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22869

Males

13212

M18-39

13212

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24606

Males

14083

M18-39

14083

Passing Analysis

Category:
Athletes Passed
1448
Passed By
5227
Net Change
-3779
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18482
5K → 10K64489+555#18482#17927
10K → 15K287107+180#17927#17747
15K → 20K113348-235#17747#17982
20K → Half2496-72#17982#18054
Half → 25K83415-332#18054#18386
25K → 30K127553-426#18386#18812
30K → 20M35352-317#18812#19129
20M → 21M51076-1071#19129#20200
21M → 35K31395-1392#20200#21592
35K → 23M22485-463#21592#22055
23M → 24M26107-81#22055#22136
24M → 40K3573-38#22136#22174
40K → 25.2M2037-17#22174#22191
25.2M → Finish2494-70#22191#22261
TOTALS14485227-3779
📊

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