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BOSTON MARATHON 2024

Katsuhiko Hara

Bib: 10663•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 46%
Division (M50-54)
#0 / 1935
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #12202
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
48:40
Rank: #13092 (-890)
5K → 10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:14
Rank: #13813 (-721)
10K → 15K
25:34 | 8:14/mi
20K· 12.43 mi
1:40:59
Rank: #14218 (-405)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:46:33
Rank: #14191 (+27)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:26
Rank: #13671 (+520)
Half → 25K
19:53 | 8:12/mi
30K· 18.64 mi
2:33:54
Rank: #13328 (+343)
25K → 30K
27:28 | 8:50/mi
20M
2:45:38
Rank: #13006 (+322)
30K → 20M
11:44 | 8:38/mi
21M
2:54:56
Rank: #12786 (+220)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:01:03
Rank: #12606 (+180)
21M → 35K
6:07 | 8:11/mi
23M
3:11:21
Rank: #12216 (+390)
35K → 23M
10:18 | 8:14/mi
24M
3:19:27
Rank: #11970 (+246)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:26:29
Rank: #11705 (+265)
24M → 40K
7:02 | 8:14/mi
25.2M
3:29:28
Rank: #11558 (+147)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:37:10
Rank: #11263 (+295)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:33
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:50:37
Pace8:26 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1623:537:4123:53
7:41
-
10K
6.21 mi11:15:0348:407:5024:47
7:59
+0:18
15K
9.32 mi11:40:371:14:147:5825:34
8:14
+0:15
20K
12.43 mi12:07:221:40:598:0826:45
8:37
+0:23
Half
13.11 mi12:12:561:46:338:085:34
8:10
-0:27
25K
15.53 mi12:32:492:06:268:0819:53
8:12
+0:02
30K
18.64 mi13:00:172:33:548:1527:28
8:50
+0:38
20M
20.00 mi13:12:012:45:388:1711:44
8:38
-0:12
21M
21.00 mi13:21:192:54:568:209:18
9:18
+0:40
35K
21.75 mi13:27:263:01:038:196:07
8:11
-1:07
23M
23.00 mi13:37:443:11:218:1910:18
8:14
+0:03
24M
24.00 mi13:45:503:19:278:198:06
8:06
-0:08
40K
24.85 mi13:52:523:26:298:187:02
8:14
+0:08
25.2M
25.20 mi13:55:513:29:288:192:59
8:39
+0:25
Finish
26.22 mi14:03:333:37:108:177:42
7:33
-1:06

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

7:33 /mi

Average Pace

8:17 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:22

26% of race

Time at Steady Pace

1:22:34

38% of race

Time at Slower Pace

1:18:14

36% of race

Average Pace: 8:17 /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 mi10:50:1623:537:4123:53
7:41
#12202
10K
6.21 mi11:15:0348:407:5024:47
7:59
#13092
15K
9.32 mi11:40:371:14:147:5825:34
8:14
#13813
20K
12.43 mi12:07:221:40:598:0826:45
8:37
#14218
Half
13.11 mi12:12:561:46:338:085:34
8:10
#14191
25K
15.53 mi12:32:492:06:268:0819:53
8:12
#13671
30K
18.64 mi13:00:172:33:548:1527:28
8:50
#13328
20M
20.00 mi13:12:012:45:388:1711:44
8:38
#13006
21M
21.00 mi13:21:192:54:568:209:18
9:18
#12786
35K
21.75 mi13:27:263:01:038:196:07
8:11
#12606
23M
23.00 mi13:37:443:11:218:1910:18
8:14
#12216
24M
24.00 mi13:45:503:19:278:198:06
8:06
#11970
40K
24.85 mi13:52:523:26:298:187:02
8:14
#11705
25.2M
25.20 mi13:55:513:29:288:192:59
8:39
#11558
Finish
26.22 mi14:03:333:37:108:177:42
7:33
#11263
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi122028924892414867(Top 58%)9946(Top 68%)9946(Top 514%)
10K6.21 mi3.10 mi13092-8909276-3529276-35214018(Top 55%)9620(Top 66%)9620(Top 497%)
15K9.32 mi3.11 mi13813-7219540-2649540-26414867(Top 58%)9946(Top 68%)9946(Top 514%)
20K12.43 mi3.11 mi14218-4059694-1549694-15415367(Top 60%)10113(Top 69%)10113(Top 523%)
Half13.11 mi0.68 mi14191+279673+219673+2113708(Top 54%)9345(Top 64%)9345(Top 483%)
25K15.53 mi2.42 mi13671+5209442+2319442+23111357(Top 44%)8177(Top 56%)8177(Top 423%)
30K18.64 mi3.11 mi13328+3439196+2469196+24612392(Top 49%)8426(Top 58%)8426(Top 435%)
20M20.00 mi1.36 mi13006+3228994+2028994+20210161(Top 40%)7109(Top 49%)7109(Top 367%)
21M21.00 mi1.00 mi12786+2208851+1438851+1439922(Top 39%)6713(Top 46%)6713(Top 347%)
35K21.75 mi0.75 mi12606+1808734+1178734+1178840(Top 35%)6186(Top 42%)6186(Top 320%)
23M23.00 mi1.25 mi12216+3908497+2378497+2376952(Top 27%)5064(Top 35%)5064(Top 262%)
24M24.00 mi1.00 mi11970+2468339+1588339+1587185(Top 28%)5090(Top 35%)5090(Top 263%)
40K24.85 mi0.85 mi11705+2658167+1728167+1726942(Top 27%)4837(Top 33%)4837(Top 250%)
25.2M25.20 mi0.35 mi11558+1478087+808087+805062(Top 20%)3783(Top 26%)3783(Top 196%)
Finish26.22 mi1.02 mi11263+2957894+1937894+1935933(Top 23%)4303(Top 30%)4303(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

14867

Males

9946

M50-54

9946

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14018

Males

9620

M50-54

9620

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

14867

Males

9946

M50-54

9946

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15367

Males

10113

M50-54

10113

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

13708

Males

9345

M50-54

9345

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11357

Males

8177

M50-54

8177

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12392

Males

8426

M50-54

8426

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10161

Males

7109

M50-54

7109

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

9922

Males

6713

M50-54

6713

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

8840

Males

6186

M50-54

6186

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6952

Males

5064

M50-54

5064

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7185

Males

5090

M50-54

5090

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6942

Males

4837

M50-54

4837

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5062

Males

3783

M50-54

3783

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5933

Males

4303

M50-54

4303

Passing Analysis

Category:
Athletes Passed
3459
Passed By
2520
Net Change
+939
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12202
5K → 10K73963-890#12202#13092
10K → 15K69790-721#13092#13813
15K → 20K141546-405#13813#14218
20K → Half5730+27#14218#14191
Half → 25K53010+520#14191#13671
25K → 30K461118+343#13671#13328
30K → 20M33816+322#13328#13006
20M → 21M24828+220#13006#12786
21M → 35K1844+180#12786#12606
35K → 23M3933+390#12606#12216
23M → 24M2515+246#12216#11970
24M → 40K2661+265#11970#11705
40K → 25.2M1492+147#11705#11558
25.2M → Finish2994+295#11558#11263
TOTALS34592520+939
📊

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