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BOSTON MARATHON 2024

Kaz Naganuma

Bib: 19851•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Top 35%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:30/mi
26:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:19:56
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:47:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:53:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:15:00
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:43:04
↑ 181↓ 1480.2%
20M
9:46/mi
2:56:20
↑ 64↓ 500.2%
21M
10:15/mi
3:06:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
3:13:15
↑ 17↓ 861.7%
23M
8:50/mi
3:24:19
↑ 23↓ 630.6%
24M
8:39/mi
3:32:58
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:40:30
↓ 200.3%
25.2M
10:00/mi
3:43:57
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:52:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:58:55
Pace9:04 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1426:258:3026:25
8:30
-
10K
6.21 mi11:45:4452:558:3126:30
8:32
+0:02
15K
9.32 mi12:12:451:19:568:3527:01
8:42
+0:10
20K
12.43 mi12:40:161:47:278:3927:31
8:51
+0:09
Half
13.11 mi12:46:041:53:158:385:48
8:30
-0:21
25K
15.53 mi13:07:492:15:008:4121:45
8:58
+0:28
30K
18.64 mi13:35:532:43:048:4528:04
9:02
+0:04
20M
20.00 mi13:49:092:56:208:4913:16
9:46
+0:44
21M
21.00 mi13:59:243:06:358:5310:15
10:15
+0:29
35K
21.75 mi14:06:043:13:158:536:40
8:55
-1:20
23M
23.00 mi14:17:083:24:198:5311:04
8:50
-0:05
24M
24.00 mi14:25:473:32:588:528:39
8:39
-0:11
40K
24.85 mi14:33:193:40:308:527:32
8:49
+0:10
25.2M
25.20 mi14:36:463:43:578:533:27
10:00
+1:11
Finish
26.22 mi14:44:593:52:108:528:13
8:04
-1:56

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

8:04 /mi

Average Pace

8:52 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:56

29% of race

Time at Steady Pace

2:18:16

60% of race

Time at Slower Pace

26:58

12% of race

Average Pace: 8:51 /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 mi11:19:1426:258:3026:25
8:30
#17773
10K
6.21 mi11:45:4452:558:3126:30
8:32
#17599
15K
9.32 mi12:12:451:19:568:3527:01
8:42
#17537
20K
12.43 mi12:40:161:47:278:3927:31
8:51
#17216
Half
13.11 mi12:46:041:53:158:385:48
8:30
#17121
25K
15.53 mi13:07:492:15:008:4121:45
8:58
#16780
30K
18.64 mi13:35:532:43:048:4528:04
9:02
#16138
20M
20.00 mi13:49:092:56:208:4913:16
9:46
#16112
21M
21.00 mi13:59:243:06:358:5310:15
10:15
#15977
35K
21.75 mi14:06:043:13:158:536:40
8:55
#15876
23M
23.00 mi14:17:083:24:198:5311:04
8:50
#15536
24M
24.00 mi14:25:473:32:588:528:39
8:39
#15307
40K
24.85 mi14:33:193:40:308:527:32
8:49
#15051
25.2M
25.20 mi14:36:463:43:578:533:27
10:00
#14956
Finish
26.22 mi14:44:593:52:108:528:13
8:04
#14703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17773111091110917452(Top 68%)11008(Top 76%)11008(Top 938%)
10K6.21 mi3.10 mi17599+17411060+4911060+4917456(Top 68%)11010(Top 76%)11010(Top 939%)
15K9.32 mi3.11 mi17537+6211045+1511045+1517452(Top 68%)11008(Top 76%)11008(Top 938%)
20K12.43 mi3.11 mi17216+32110875+17010875+17016675(Top 65%)10647(Top 73%)10647(Top 908%)
Half13.11 mi0.68 mi17121+9510833+4210833+4215679(Top 61%)10184(Top 70%)10184(Top 868%)
25K15.53 mi2.42 mi16780+34110678+15510678+15515377(Top 60%)9965(Top 68%)9965(Top 850%)
30K18.64 mi3.11 mi16138+64210348+33010348+33013386(Top 52%)8864(Top 61%)8864(Top 756%)
20M20.00 mi1.36 mi16112+2610302+4610302+4615591(Top 61%)9560(Top 66%)9560(Top 815%)
21M21.00 mi1.00 mi15977+13510203+9910203+9913914(Top 54%)8613(Top 59%)8613(Top 734%)
35K21.75 mi0.75 mi15876+10110139+6410139+6412857(Top 50%)8101(Top 56%)8101(Top 691%)
23M23.00 mi1.25 mi15536+3409942+1979942+19710304(Top 40%)6731(Top 46%)6731(Top 574%)
24M24.00 mi1.00 mi15307+2299807+1359807+13510298(Top 40%)6688(Top 46%)6688(Top 570%)
40K24.85 mi0.85 mi15051+2569662+1459662+1459944(Top 39%)6384(Top 44%)6384(Top 544%)
25.2M25.20 mi0.35 mi14956+959603+599603+5910950(Top 43%)6872(Top 47%)6872(Top 586%)
Finish26.22 mi1.02 mi14703+2539465+1389465+1388918(Top 35%)5890(Top 40%)5890(Top 502%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

17452

Males

11008

M60-64

11008

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

17456

Males

11010

M60-64

11010

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

17452

Males

11008

M60-64

11008

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

16675

Males

10647

M60-64

10647

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15679

Males

10184

M60-64

10184

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15377

Males

9965

M60-64

9965

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13386

Males

8864

M60-64

8864

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

15591

Males

9560

M60-64

9560

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

13914

Males

8613

M60-64

8613

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12857

Males

8101

M60-64

8101

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10304

Males

6731

M60-64

6731

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10298

Males

6688

M60-64

6688

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

9944

Males

6384

M60-64

6384

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10950

Males

6872

M60-64

6872

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

8918

Males

5890

M60-64

5890

Passing Analysis

Category:
Athletes Passed
3844
Passed By
774
Net Change
+3070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17773
5K → 10K378204+174#17773#17599
10K → 15K278216+62#17599#17537
15K → 20K41594+321#17537#17216
20K → Half994+95#17216#17121
Half → 25K39251+341#17121#16780
25K → 30K65715+642#16780#16138
30K → 20M127101+26#16138#16112
20M → 21M18146+135#16112#15977
21M → 35K11514+101#15977#15876
35K → 23M3444+340#15876#15536
23M → 24M2367+229#15536#15307
24M → 40K2593+256#15307#15051
40K → 25.2M10611+95#15051#14956
25.2M → Finish2574+253#14956#14703
TOTALS3844774+3070
📊

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