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BOSTON MARATHON 2024

Masato Kan

Bib: 1451•M

GA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 1%
Gender (Male)
#0 / 14578
Top 2%
Division (M18-39)
#0 / 4849
Top 6%
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
5:50/mi
18:08
↑ 97↓ 3451.5%
10K· 6.21 mi
5:46/mi
36:02
↑ 79↓ 1380.4%
15K· 9.32 mi
5:54/mi
54:21
↑ 67↓ 78
20K· 12.43 mi
5:51/mi
1:12:32
↑ 106↓ 860.1%
Half· 13.11 mi
5:55/mi
1:16:34
↑ 19↓ 370.5%
25K· 15.53 mi
5:58/mi
1:31:01
↑ 66↓ 880.2%
30K· 18.64 mi
6:14/mi
1:50:24
↑ 181↓ 1480.2%
20M
6:18/mi
1:58:57
↑ 64↓ 500.2%
21M
6:38/mi
2:05:35
↑ 106↓ 241.6%
35K· 21.75 mi
6:01/mi
2:10:05
↑ 17↓ 861.7%
23M
6:22/mi
2:18:03
↑ 23↓ 630.6%
24M
6:27/mi
2:24:30
↓ 821.3%
40K· 24.85 mi
6:26/mi
2:30:00
↓ 200.3%
25.2M
7:00/mi
2:32:25
↑ 13↓ 160.2%
Finish· 26.22 mi
6:09/mi
2:38:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:34
Pace5:50 /mi
2nd Half
Distance13.11 mi
Time1:22:07
Pace6:16 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3918:085:5018:08
5:50
-
10K
6.21 mi10:36:3336:025:4817:54
5:46
-0:04
15K
9.32 mi10:54:5254:215:5018:19
5:54
+0:08
20K
12.43 mi11:13:031:12:325:5018:11
5:51
-0:03
Half
13.11 mi11:17:051:16:345:504:02
5:55
+0:04
25K
15.53 mi11:31:321:31:015:5214:27
5:58
+0:03
30K
18.64 mi11:50:551:50:245:5519:23
6:14
+0:16
20M
20.00 mi11:59:281:58:575:578:33
6:18
+0:04
21M
21.00 mi12:06:062:05:355:596:38
6:38
+0:20
35K
21.75 mi12:10:362:10:055:594:30
6:01
-0:37
23M
23.00 mi12:18:342:18:036:007:58
6:22
+0:21
24M
24.00 mi12:25:012:24:306:016:27
6:27
+0:05
40K
24.85 mi12:30:312:30:006:025:30
6:26
-0:01
25.2M
25.20 mi12:32:562:32:256:032:25
7:00
+0:34
Finish
26.22 mi12:39:122:38:416:036:16
6:09
-0:51

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

5:46 /mi

Average Pace

6:03 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:01

57% of race

Time at Steady Pace

38:42

24% of race

Time at Slower Pace

28:58

18% of race

Average Pace: 6:03 /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 mi10:18:3918:085:5018:08
5:50
#560
10K
6.21 mi10:36:3336:025:4817:54
5:46
#474
15K
9.32 mi10:54:5254:215:5018:19
5:54
#503
20K
12.43 mi11:13:031:12:325:5018:11
5:51
#449
Half
13.11 mi11:17:051:16:345:504:02
5:55
#451
25K
15.53 mi11:31:321:31:015:5214:27
5:58
#425
30K
18.64 mi11:50:551:50:245:5519:23
6:14
#423
20M
20.00 mi11:59:281:58:575:578:33
6:18
#404
21M
21.00 mi12:06:062:05:355:596:38
6:38
#392
35K
21.75 mi12:10:362:10:055:594:30
6:01
#384
23M
23.00 mi12:18:342:18:036:007:58
6:22
#366
24M
24.00 mi12:25:012:24:306:016:27
6:27
#369
40K
24.85 mi12:30:312:30:006:025:30
6:26
#377
25.2M
25.20 mi12:32:562:32:256:032:25
7:00
#375
Finish
26.22 mi12:39:122:38:416:036:16
6:09
#370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi560534534529(Top 2%)507(Top 3%)507(Top 10%)
10K6.21 mi3.10 mi474+86452+82452+82392(Top 2%)370(Top 3%)370(Top 8%)
15K9.32 mi3.11 mi503-29481-29481-29529(Top 2%)507(Top 3%)507(Top 10%)
20K12.43 mi3.11 mi449+54427+54427+54346(Top 1%)324(Top 2%)324(Top 7%)
Half13.11 mi0.68 mi451-2429-2429-2560(Top 2%)536(Top 4%)536(Top 11%)
25K15.53 mi2.42 mi425+26403+26403+26398(Top 2%)375(Top 3%)375(Top 8%)
30K18.64 mi3.11 mi423+2400+3400+3527(Top 2%)499(Top 3%)499(Top 10%)
20M20.00 mi1.36 mi404+19381+19381+19496(Top 2%)467(Top 3%)467(Top 10%)
21M21.00 mi1.00 mi392+12369+12369+12488(Top 2%)457(Top 3%)457(Top 9%)
35K21.75 mi0.75 mi384+8361+8361+8382(Top 1%)353(Top 2%)353(Top 7%)
23M23.00 mi1.25 mi366+18343+18343+18479(Top 2%)448(Top 3%)448(Top 9%)
24M24.00 mi1.00 mi369-3346-3346-3853(Top 3%)801(Top 5%)801(Top 17%)
40K24.85 mi0.85 mi377-8351-5351-5615(Top 2%)575(Top 4%)575(Top 12%)
25.2M25.20 mi0.35 mi375+2349+2349+2568(Top 2%)520(Top 4%)520(Top 11%)
Finish26.22 mi1.02 mi370+5344+5344+5621(Top 2%)580(Top 4%)580(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

529

Males

507

M18-39

507

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

392

Males

370

M18-39

370

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

529

Males

507

M18-39

507

15K→20K

9.3 - 12.4 mi

Top 1%
×5story building
+106ft-86ft

Overall

346

Males

324

M18-39

324

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

560

Males

536

M18-39

536

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

398

Males

375

M18-39

375

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

527

Males

499

M18-39

499

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

496

Males

467

M18-39

467

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

488

Males

457

M18-39

457

21M→35K

21.0 - 21.8 mi

Top 1%
×7story building
+17ft-86ft

Overall

382

Males

353

M18-39

353

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

479

Males

448

M18-39

448

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

853

Males

801

M18-39

801

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

615

Males

575

M18-39

575

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

568

Males

520

M18-39

520

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

621

Males

580

M18-39

580

Passing Analysis

Category:
Athletes Passed
336
Passed By
146
Net Change
+190
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#560
5K → 10K882+86#560#474
10K → 15K1039-29#474#503
15K → 20K584+54#503#449
20K → Half46-2#449#451
Half → 25K359+26#451#425
25K → 30K3230+2#425#423
30K → 20M245+19#423#404
20M → 21M197+12#404#392
21M → 35K102+8#392#384
35K → 23M235+18#384#366
23M → 24M69-3#366#369
24M → 40K816-8#369#377
40K → 25.2M42+2#377#375
25.2M → Finish1510+5#375#370
TOTALS336146+190
📊

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