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BOSTON MARATHON 2025

Javier Kanashiro

Bib: 1771•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:34
Rank: #999
Start → 5K
18:34 | 5:59/mi
10K· 6.21 mi
37:01
Rank: #958 (+41)
5K → 10K
18:27 | 5:56/mi
15K· 9.32 mi
55:35
Rank: #952 (+6)
10K → 15K
18:34 | 5:59/mi
20K· 12.43 mi
1:14:23
Rank: #957 (-5)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:18:25
Rank: #947 (+10)
20K → Half
4:02 | 5:55/mi
25K· 15.53 mi
1:32:58
Rank: #912 (+35)
Half → 25K
14:33 | 6:00/mi
30K· 18.64 mi
1:52:02
Rank: #848 (+64)
25K → 30K
19:04 | 6:08/mi
20M
2:00:21
Rank: #807 (+41)
30K → 20M
8:19 | 6:07/mi
21M
2:06:50
Rank: #785 (+22)
20M → 21M
6:29 | 6:29/mi
35K· 21.75 mi
2:11:21
Rank: #766 (+19)
21M → 35K
4:31 | 6:02/mi
23M
2:19:04
Rank: #744 (+22)
35K → 23M
7:43 | 6:10/mi
24M
2:25:00
Rank: #719 (+25)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:30:12
Rank: #696 (+23)
24M → 40K
5:12 | 6:05/mi
25.2M
2:32:30
Rank: #686 (+10)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:38:23
Rank: #670 (+16)
25.2M → Finish
5:53 | 5:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:25
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:19:58
Pace6:06 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1018:345:5918:34
5:59
-
10K
6.21 mi10:37:3737:015:5718:27
5:56
-0:03
15K
9.32 mi10:56:1155:355:5818:34
5:59
+0:03
20K
12.43 mi11:14:591:14:235:5918:48
6:03
+0:04
Half
13.11 mi11:19:011:18:255:594:02
5:55
-0:08
25K
15.53 mi11:33:341:32:585:5914:33
6:00
+0:05
30K
18.64 mi11:52:381:52:026:0119:04
6:08
+0:08
20M
20.00 mi12:00:572:00:216:018:19
6:07
-0:01
21M
21.00 mi12:07:262:06:506:026:29
6:29
+0:22
35K
21.75 mi12:11:572:11:216:024:31
6:02
-0:27
23M
23.00 mi12:19:402:19:046:037:43
6:10
+0:08
24M
24.00 mi12:25:362:25:006:035:56
5:56
-0:14
40K
24.85 mi12:30:482:30:126:035:12
6:05
+0:09
25.2M
25.20 mi12:33:062:32:306:032:18
6:40
+0:35
Finish
26.22 mi12:38:592:38:236:035:53
5:46
-0:54

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

5:46 /mi

Average Pace

6:03 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:36

94% of race

Time at Steady Pace

8:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi10:19:1018:345:5918:34
5:59
#999
10K
6.21 mi10:37:3737:015:5718:27
5:56
#958
15K
9.32 mi10:56:1155:355:5818:34
5:59
#952
20K
12.43 mi11:14:591:14:235:5918:48
6:03
#957
Half
13.11 mi11:19:011:18:255:594:02
5:55
#947
25K
15.53 mi11:33:341:32:585:5914:33
6:00
#912
30K
18.64 mi11:52:381:52:026:0119:04
6:08
#848
20M
20.00 mi12:00:572:00:216:018:19
6:07
#807
21M
21.00 mi12:07:262:06:506:026:29
6:29
#785
35K
21.75 mi12:11:572:11:216:024:31
6:02
#766
23M
23.00 mi12:19:402:19:046:037:43
6:10
#744
24M
24.00 mi12:25:362:25:006:035:56
5:56
#719
40K
24.85 mi12:30:482:30:126:035:12
6:05
#696
25.2M
25.20 mi12:33:062:32:306:032:18
6:40
#686
Finish
26.22 mi12:38:592:38:236:035:53
5:46
#670
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi999940940954(Top 3%)901(Top 6%)901(Top 16%)
10K6.21 mi3.10 mi958+41900+40900+40928(Top 3%)874(Top 5%)874(Top 15%)
15K9.32 mi3.11 mi952+6896+4896+4954(Top 3%)901(Top 6%)901(Top 16%)
20K12.43 mi3.11 mi957-5901-5901-5995(Top 4%)937(Top 6%)937(Top 17%)
Half13.11 mi0.68 mi947+10892+9892+9855(Top 3%)807(Top 5%)807(Top 14%)
25K15.53 mi2.42 mi912+35860+32860+32800(Top 3%)750(Top 5%)750(Top 13%)
30K18.64 mi3.11 mi848+64796+64796+64757(Top 3%)709(Top 4%)709(Top 13%)
20M20.00 mi1.36 mi807+41757+39757+39568(Top 2%)534(Top 3%)534(Top 9%)
21M21.00 mi1.00 mi785+22735+22735+22645(Top 2%)609(Top 4%)609(Top 11%)
35K21.75 mi0.75 mi766+19716+19716+19792(Top 3%)738(Top 5%)738(Top 13%)
23M23.00 mi1.25 mi744+22695+21695+21588(Top 2%)553(Top 3%)553(Top 10%)
24M24.00 mi1.00 mi719+25670+25670+25457(Top 2%)423(Top 3%)423(Top 7%)
40K24.85 mi0.85 mi696+23647+23647+23507(Top 2%)473(Top 3%)473(Top 8%)
25.2M25.20 mi0.35 mi686+10637+10637+10693(Top 2%)643(Top 4%)643(Top 11%)
Finish26.22 mi1.02 mi670+16621+16621+16470(Top 2%)441(Top 3%)441(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

954

Males

901

M18-39

901

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

928

Males

874

M18-39

874

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

954

Males

901

M18-39

901

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

995

Males

937

M18-39

937

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

855

Males

807

M18-39

807

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

800

Males

750

M18-39

750

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

757

Males

709

M18-39

709

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

568

Males

534

M18-39

534

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

645

Males

609

M18-39

609

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

792

Males

738

M18-39

738

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

588

Males

553

M18-39

553

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

457

Males

423

M18-39

423

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

507

Males

473

M18-39

473

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

693

Males

643

M18-39

643

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

470

Males

441

M18-39

441

Passing Analysis

Category:
Athletes Passed
464
Passed By
135
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#999
5K → 10K6827+41#999#958
10K → 15K2822+6#958#952
15K → 20K3237-5#952#957
20K → Half111+10#957#947
Half → 25K4712+35#947#912
25K → 30K7612+64#912#848
30K → 20M432+41#848#807
20M → 21M264+22#807#785
21M → 35K223+19#785#766
35K → 23M308+22#766#744
23M → 24M283+25#744#719
24M → 40K252+23#719#696
40K → 25.2M111+10#696#686
25.2M → Finish171+16#686#670
TOTALS464135+329
📊

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