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BOSTON MARATHON 2024

Kazuyuki Kawanaka

Bib: 8670•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 14%
Gender (Male)
#0 / 14578
Top 22%
Masters (Masters Men)
#0 / 9729
Top 11%
Division (M45-49)
#0 / 2218
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3042
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:29
Rank: #3252 (-210)
5K → 10K
20:26 | 6:35/mi
15K· 9.32 mi
1:01:23
Rank: #3468 (-216)
10K → 15K
20:54 | 6:44/mi
20K· 12.43 mi
1:22:41
Rank: #3626 (-158)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:27:15
Rank: #3624 (+2)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:57
Rank: #3579 (+45)
Half → 25K
16:42 | 6:53/mi
30K· 18.64 mi
2:05:57
Rank: #3419 (+160)
25K → 30K
22:00 | 7:05/mi
20M
2:15:58
Rank: #3431 (-12)
30K → 20M
10:01 | 7:22/mi
21M
2:23:56
Rank: #3434 (-3)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:29:19
Rank: #3435 (-1)
21M → 35K
5:23 | 7:12/mi
23M
2:39:05
Rank: #3496 (-61)
35K → 23M
9:46 | 7:48/mi
24M
2:46:42
Rank: #3516 (-20)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
2:53:18
Rank: #3507 (+9)
24M → 40K
6:36 | 7:43/mi
25.2M
2:56:13
Rank: #3486 (+21)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:03:46
Rank: #3485 (+1)
25.2M → Finish
7:33 | 7:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:36:31
Pace7:22 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:1220:036:2720:03
6:27
-
10K
6.21 mi11:05:3840:296:3120:26
6:35
+0:08
15K
9.32 mi11:26:321:01:236:3520:54
6:44
+0:09
20K
12.43 mi11:47:501:22:416:3921:18
6:51
+0:07
Half
13.11 mi11:52:241:27:156:394:34
6:42
-0:09
25K
15.53 mi12:09:061:43:576:4116:42
6:53
+0:11
30K
18.64 mi12:31:062:05:576:4522:00
7:05
+0:12
20M
20.00 mi12:41:072:15:586:4810:01
7:22
+0:17
21M
21.00 mi12:49:052:23:566:517:58
7:58
+0:36
35K
21.75 mi12:54:282:29:196:525:23
7:12
-0:46
23M
23.00 mi13:04:142:39:056:559:46
7:48
+0:36
24M
24.00 mi13:11:512:46:426:577:37
7:37
-0:11
40K
24.85 mi13:18:272:53:186:586:36
7:43
+0:06
25.2M
25.20 mi13:21:222:56:137:002:55
8:27
+0:44
Finish
26.22 mi13:28:553:03:467:017:33
7:25
-1:02

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

6:27 /mi

Average Pace

7:01 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:57

57% of race

Time at Steady Pace

44:57

24% of race

Time at Slower Pace

34:52

19% of race

Average Pace: 7:01 /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 mi10:45:1220:036:2720:03
6:27
#3042
10K
6.21 mi11:05:3840:296:3120:26
6:35
#3252
15K
9.32 mi11:26:321:01:236:3520:54
6:44
#3468
20K
12.43 mi11:47:501:22:416:3921:18
6:51
#3626
Half
13.11 mi11:52:241:27:156:394:34
6:42
#3624
25K
15.53 mi12:09:061:43:576:4116:42
6:53
#3579
30K
18.64 mi12:31:062:05:576:4522:00
7:05
#3419
20M
20.00 mi12:41:072:15:586:4810:01
7:22
#3431
21M
21.00 mi12:49:052:23:566:517:58
7:58
#3434
35K
21.75 mi12:54:282:29:196:525:23
7:12
#3435
23M
23.00 mi13:04:142:39:056:559:46
7:48
#3496
24M
24.00 mi13:11:512:46:426:577:37
7:37
#3516
40K
24.85 mi13:18:272:53:186:586:36
7:43
#3507
25.2M
25.20 mi13:21:222:56:137:002:55
8:27
#3486
Finish
26.22 mi13:28:553:03:467:017:33
7:25
#3485
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3042290629064108(Top 16%)3856(Top 26%)3856(Top 174%)
10K6.21 mi3.10 mi3252-2103099-1933099-1933455(Top 14%)3280(Top 22%)3280(Top 148%)
15K9.32 mi3.11 mi3468-2163297-1983297-1984108(Top 16%)3856(Top 26%)3856(Top 174%)
20K12.43 mi3.11 mi3626-1583440-1433440-1434291(Top 17%)3981(Top 27%)3981(Top 179%)
Half13.11 mi0.68 mi3624+23436+43436+43719(Top 15%)3489(Top 24%)3489(Top 157%)
25K15.53 mi2.42 mi3579+453392+443392+443709(Top 15%)3450(Top 24%)3450(Top 156%)
30K18.64 mi3.11 mi3419+1603226+1663226+1663248(Top 13%)2992(Top 21%)2992(Top 135%)
20M20.00 mi1.36 mi3431-12322632263815(Top 15%)3408(Top 23%)3408(Top 154%)
21M21.00 mi1.00 mi3434-33217+93217+94021(Top 16%)3452(Top 24%)3452(Top 156%)
35K21.75 mi0.75 mi3435-13209+83209+83743(Top 15%)3268(Top 22%)3268(Top 147%)
23M23.00 mi1.25 mi3496-613249-403249-404784(Top 19%)3845(Top 26%)3845(Top 173%)
24M24.00 mi1.00 mi3516-203256-73256-74588(Top 18%)3650(Top 25%)3650(Top 165%)
40K24.85 mi0.85 mi3507+93240+163240+164403(Top 17%)3441(Top 24%)3441(Top 155%)
25.2M25.20 mi0.35 mi3486+213215+253215+254227(Top 17%)3291(Top 23%)3291(Top 148%)
Finish26.22 mi1.02 mi3485+13203+123203+125067(Top 20%)3817(Top 26%)3817(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4108

Males

3856

M45-49

3856

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3455

Males

3280

M45-49

3280

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4108

Males

3856

M45-49

3856

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4291

Males

3981

M45-49

3981

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3719

Males

3489

M45-49

3489

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3709

Males

3450

M45-49

3450

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3248

Males

2992

M45-49

2992

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

3815

Males

3408

M45-49

3408

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4021

Males

3452

M45-49

3452

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3743

Males

3268

M45-49

3268

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4784

Males

3845

M45-49

3845

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4588

Males

3650

M45-49

3650

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4403

Males

3441

M45-49

3441

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4227

Males

3291

M45-49

3291

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5067

Males

3817

M45-49

3817

Passing Analysis

Category:
Athletes Passed
1090
Passed By
1533
Net Change
-443
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3042
5K → 10K62272-210#3042#3252
10K → 15K47263-216#3252#3468
15K → 20K77235-158#3468#3626
20K → Half2321+2#3626#3624
Half → 25K151106+45#3624#3579
25K → 30K25898+160#3579#3419
30K → 20M8294-12#3419#3431
20M → 21M8083-3#3431#3434
21M → 35K4243-1#3434#3435
35K → 23M74135-61#3435#3496
23M → 24M5171-20#3496#3516
24M → 40K5041+9#3516#3507
40K → 25.2M3918+21#3507#3486
25.2M → Finish5453+1#3486#3485
TOTALS10901533-443
📊

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