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BOSTON MARATHON 2024

Masahiro Nagano

Bib: 21646•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 17%
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
8:47/mi
27:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
54:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:43/mi
1:21:21
↑ 67↓ 78
20K· 12.43 mi
8:48/mi
1:48:41
↑ 106↓ 860.1%
Half· 13.11 mi
8:43/mi
1:54:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:16:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:06/mi
2:44:41
↑ 181↓ 1480.2%
20M
9:02/mi
2:56:57
↑ 64↓ 500.2%
21M
9:35/mi
3:06:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
3:12:43
↑ 17↓ 861.7%
23M
8:18/mi
3:23:06
↑ 23↓ 630.6%
24M
8:19/mi
3:31:25
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:38:58
↓ 200.3%
25.2M
9:20/mi
3:42:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:50:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:38
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time1:56:10
Pace8:52 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4627:168:4727:16
8:47
-
10K
6.21 mi11:54:4554:158:4426:59
8:41
-0:06
15K
9.32 mi12:21:511:21:218:4427:06
8:43
+0:02
20K
12.43 mi12:49:111:48:418:4527:20
8:48
+0:05
Half
13.11 mi12:55:081:54:388:455:57
8:43
-0:05
25K
15.53 mi13:16:542:16:248:4721:46
8:59
+0:16
30K
18.64 mi13:45:112:44:418:5028:17
9:06
+0:07
20M
20.00 mi13:57:272:56:578:5112:16
9:02
-0:04
21M
21.00 mi14:07:023:06:328:539:35
9:35
+0:33
35K
21.75 mi14:13:133:12:438:526:11
8:16
-1:19
23M
23.00 mi14:23:363:23:068:5010:23
8:18
+0:02
24M
24.00 mi14:31:553:31:258:498:19
8:19
+0:01
40K
24.85 mi14:39:283:38:588:497:33
8:50
+0:31
25.2M
25.20 mi14:42:413:42:118:493:13
9:20
+0:30
Finish
26.22 mi14:51:183:50:488:498:37
8:27
-0:53

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

8:16 /mi

Average Pace

8:49 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:43

82% of race

Time at Steady Pace

41:05

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:48 /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 mi11:27:4627:168:4727:16
8:47
#19173
10K
6.21 mi11:54:4554:158:4426:59
8:41
#18754
15K
9.32 mi12:21:511:21:218:4427:06
8:43
#18317
20K
12.43 mi12:49:111:48:418:4527:20
8:48
#17744
Half
13.11 mi12:55:081:54:388:455:57
8:43
#17697
25K
15.53 mi13:16:542:16:248:4721:46
8:59
#17260
30K
18.64 mi13:45:112:44:418:5028:17
9:06
#16567
20M
20.00 mi13:57:272:56:578:5112:16
9:02
#16253
21M
21.00 mi14:07:023:06:328:539:35
9:35
#15958
35K
21.75 mi14:13:133:12:438:526:11
8:16
#15745
23M
23.00 mi14:23:363:23:068:5010:23
8:18
#15269
24M
24.00 mi14:31:553:31:258:498:19
8:19
#14943
40K
24.85 mi14:39:283:38:588:497:33
8:50
#14699
25.2M
25.20 mi14:42:413:42:118:493:13
9:20
#14566
Finish
26.22 mi14:51:183:50:488:498:37
8:27
#14425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19173116711167117593(Top 69%)11068(Top 76%)11068(Top 1794%)
10K6.21 mi3.10 mi18754+41911522+14911522+14918268(Top 71%)11345(Top 78%)11345(Top 1839%)
15K9.32 mi3.11 mi18317+43711355+16711355+16717593(Top 69%)11068(Top 76%)11068(Top 1794%)
20K12.43 mi3.11 mi17744+57311101+25411101+25416370(Top 64%)10525(Top 72%)10525(Top 1706%)
Half13.11 mi0.68 mi17697+4711079+2211079+2216895(Top 66%)10685(Top 73%)10685(Top 1732%)
25K15.53 mi2.42 mi17260+43710875+20410875+20415409(Top 60%)9978(Top 68%)9978(Top 1617%)
30K18.64 mi3.11 mi16567+69310522+35310522+35313719(Top 54%)9007(Top 62%)9007(Top 1460%)
20M20.00 mi1.36 mi16253+31410358+16410358+16412254(Top 48%)8075(Top 55%)8075(Top 1309%)
21M21.00 mi1.00 mi15958+29510195+16310195+16311220(Top 44%)7341(Top 50%)7341(Top 1190%)
35K21.75 mi0.75 mi15745+21310078+11710078+1179356(Top 37%)6448(Top 44%)6448(Top 1045%)
23M23.00 mi1.25 mi15269+4769834+2449834+2447304(Top 29%)5244(Top 36%)5244(Top 850%)
24M24.00 mi1.00 mi14943+3269645+1899645+1898394(Top 33%)5717(Top 39%)5717(Top 927%)
40K24.85 mi0.85 mi14699+2449504+1419504+14110042(Top 39%)6436(Top 44%)6436(Top 1043%)
25.2M25.20 mi0.35 mi14566+1339428+769428+768017(Top 31%)5349(Top 37%)5349(Top 867%)
Finish26.22 mi1.02 mi14425+1419347+819347+8111259(Top 44%)7138(Top 49%)7138(Top 1157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

17593

Males

11068

M65-69

11068

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18268

Males

11345

M65-69

11345

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

17593

Males

11068

M65-69

11068

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

16370

Males

10525

M65-69

10525

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

16895

Males

10685

M65-69

10685

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15409

Males

9978

M65-69

9978

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13719

Males

9007

M65-69

9007

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12254

Males

8075

M65-69

8075

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11220

Males

7341

M65-69

7341

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9356

Males

6448

M65-69

6448

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7304

Males

5244

M65-69

5244

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8394

Males

5717

M65-69

5717

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10042

Males

6436

M65-69

6436

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8017

Males

5349

M65-69

5349

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11259

Males

7138

M65-69

7138

Passing Analysis

Category:
Athletes Passed
5011
Passed By
263
Net Change
+4748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19173
5K → 10K529110+419#19173#18754
10K → 15K47740+437#18754#18317
15K → 20K59825+573#18317#17744
20K → Half6417+47#17744#17697
Half → 25K46124+437#17697#17260
25K → 30K70613+693#17260#16567
30K → 20M3151+314#16567#16253
20M → 21M3038+295#16253#15958
21M → 35K2141+213#15958#15745
35K → 23M4760+476#15745#15269
23M → 24M3293+326#15269#14943
24M → 40K2517+244#14943#14699
40K → 25.2M1330+133#14699#14566
25.2M → Finish15514+141#14566#14425
TOTALS5011263+4748
📊

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