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BOSTON MARATHON 2025

Hiroki Kusano

Bib: 3528•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M40-44)
#0 / 2247
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #3268
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
39:58
Rank: #3284 (-16)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
59:44
Rank: #3061 (+223)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:19:46
Rank: #2976 (+85)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:24:08
Rank: #2971 (+5)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:35
Rank: #2803 (+168)
Half → 25K
15:27 | 6:22/mi
30K· 18.64 mi
2:00:30
Rank: #2817 (-14)
25K → 30K
20:55 | 6:44/mi
20M
2:10:20
Rank: #2975 (-158)
30K → 20M
9:50 | 7:14/mi
21M
2:18:09
Rank: #3112 (-137)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:23:12
Rank: #3094 (+18)
21M → 35K
5:03 | 6:45/mi
23M
2:32:23
Rank: #3198 (-104)
35K → 23M
9:11 | 7:20/mi
24M
2:39:52
Rank: #3346 (-148)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
2:46:49
Rank: #3596 (-250)
24M → 40K
6:57 | 8:08/mi
25.2M
2:49:48
Rank: #3684 (-88)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
2:57:52
Rank: #3997 (-313)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:08
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:33:44
Pace7:09 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4919:576:2519:57
6:25
-
10K
6.21 mi10:41:5039:586:2620:01
6:27
+0:02
15K
9.32 mi11:01:3659:446:2519:46
6:22
-0:05
20K
12.43 mi11:21:381:19:466:2520:02
6:27
+0:05
Half
13.11 mi11:26:001:24:086:254:22
6:24
-0:03
25K
15.53 mi11:41:271:39:356:2515:27
6:22
-0:02
30K
18.64 mi12:02:222:00:306:2820:55
6:44
+0:22
20M
20.00 mi12:12:122:10:206:319:50
7:14
+0:30
21M
21.00 mi12:20:012:18:096:357:49
7:49
+0:35
35K
21.75 mi12:25:042:23:126:355:03
6:45
-1:04
23M
23.00 mi12:34:152:32:236:389:11
7:20
+0:35
24M
24.00 mi12:41:442:39:526:407:29
7:29
+0:09
40K
24.85 mi12:48:412:46:496:436:57
8:08
+0:39
25.2M
25.20 mi12:51:402:49:486:442:59
8:39
+0:31
Finish
26.22 mi12:59:442:57:526:478:04
7:55
-0:44

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

6:22 /mi

Average Pace

6:47 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:13

20% of race

Time at Steady Pace

1:30:20

51% of race

Time at Slower Pace

52:19

29% of race

Average Pace: 6:47 /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 mi10:21:4919:576:2519:57
6:25
#3268
10K
6.21 mi10:41:5039:586:2620:01
6:27
#3284
15K
9.32 mi11:01:3659:446:2519:46
6:22
#3061
20K
12.43 mi11:21:381:19:466:2520:02
6:27
#2976
Half
13.11 mi11:26:001:24:086:254:22
6:24
#2971
25K
15.53 mi11:41:271:39:356:2515:27
6:22
#2803
30K
18.64 mi12:02:222:00:306:2820:55
6:44
#2817
20M
20.00 mi12:12:122:10:206:319:50
7:14
#2975
21M
21.00 mi12:20:012:18:096:357:49
7:49
#3112
35K
21.75 mi12:25:042:23:126:355:03
6:45
#3094
23M
23.00 mi12:34:152:32:236:389:11
7:20
#3198
24M
24.00 mi12:41:442:39:526:407:29
7:29
#3346
40K
24.85 mi12:48:412:46:496:436:57
8:08
#3596
25.2M
25.20 mi12:51:402:49:486:442:59
8:39
#3684
Finish
26.22 mi12:59:442:57:526:478:04
7:55
#3997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3268310331032700(Top 10%)2571(Top 16%)2571(Top 114%)
10K6.21 mi3.10 mi3284-163120-173120-173323(Top 12%)3158(Top 20%)3158(Top 141%)
15K9.32 mi3.11 mi3061+2232914+2062914+2062700(Top 10%)2571(Top 16%)2571(Top 114%)
20K12.43 mi3.11 mi2976+852836+782836+782806(Top 10%)2671(Top 17%)2671(Top 119%)
Half13.11 mi0.68 mi2971+52832+42832+43052(Top 11%)2913(Top 18%)2913(Top 130%)
25K15.53 mi2.42 mi2803+1682674+1582674+1582221(Top 8%)2114(Top 13%)2114(Top 94%)
30K18.64 mi3.11 mi2817-142683-92683-93044(Top 11%)2861(Top 18%)2861(Top 127%)
20M20.00 mi1.36 mi2975-1582829-1462829-1465375(Top 19%)4750(Top 29%)4750(Top 211%)
21M21.00 mi1.00 mi3112-1372947-1182947-1186243(Top 22%)5211(Top 32%)5211(Top 232%)
35K21.75 mi0.75 mi3094+182930+172930+173782(Top 13%)3404(Top 21%)3404(Top 151%)
23M23.00 mi1.25 mi3198-1043017-873017-875615(Top 20%)4740(Top 29%)4740(Top 211%)
24M24.00 mi1.00 mi3346-1483149-1323149-1327527(Top 26%)5816(Top 36%)5816(Top 259%)
40K24.85 mi0.85 mi3596-2503358-2093358-20911027(Top 39%)7563(Top 47%)7563(Top 337%)
25.2M25.20 mi0.35 mi3684-883437-793437-799587(Top 34%)6706(Top 42%)6706(Top 298%)
Finish26.22 mi1.02 mi3997-3133693-2563693-25612231(Top 43%)8134(Top 51%)8134(Top 362%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2700

Males

2571

M40-44

2571

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3323

Males

3158

M40-44

3158

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2700

Males

2571

M40-44

2571

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2806

Males

2671

M40-44

2671

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3052

Males

2913

M40-44

2913

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2221

Males

2114

M40-44

2114

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3044

Males

2861

M40-44

2861

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5375

Males

4750

M40-44

4750

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6243

Males

5211

M40-44

5211

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3782

Males

3404

M40-44

3404

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5615

Males

4740

M40-44

4740

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7527

Males

5816

M40-44

5816

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11027

Males

7563

M40-44

7563

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9587

Males

6706

M40-44

6706

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

12231

Males

8134

M40-44

8134

Passing Analysis

Category:
Athletes Passed
939
Passed By
1668
Net Change
-729
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3268
5K → 10K123139-16#3268#3284
10K → 15K23815+223#3284#3061
15K → 20K12540+85#3061#2976
20K → Half1813+5#2976#2971
Half → 25K1746+168#2971#2803
25K → 30K110124-14#2803#2817
30K → 20M21179-158#2817#2975
20M → 21M15152-137#2975#3112
21M → 35K4224+18#3112#3094
35K → 23M40144-104#3094#3198
23M → 24M13161-148#3198#3346
24M → 40K6256-250#3346#3596
40K → 25.2M795-88#3596#3684
25.2M → Finish7320-313#3684#3997
TOTALS9391668-729
📊

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