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BOSTON MARATHON 2024

Masaru Furukawa

Bib: 8179•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 15%
Gender (Male)
#0 / 14578
Top 24%
Masters (Masters Men)
#0 / 9729
Top 12%
Division (M40-44)
#0 / 2009
Top 32%
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
6:57/mi
21:35
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
42:20
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:03:13
↑ 67↓ 78
20K· 12.43 mi
7:09/mi
1:25:27
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:30:05
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:47:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:11:14
↑ 181↓ 1480.2%
20M
7:03/mi
2:20:49
↑ 64↓ 500.2%
21M
7:27/mi
2:28:16
↑ 106↓ 241.6%
35K· 21.75 mi
7:12/mi
2:33:39
↑ 17↓ 861.7%
23M
7:02/mi
2:42:27
↑ 23↓ 630.6%
24M
7:35/mi
2:50:02
↓ 821.3%
40K· 24.85 mi
7:00/mi
2:56:01
↓ 200.3%
25.2M
7:21/mi
2:58:33
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:05:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:05
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:35:32
Pace7:17 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:0721:356:5721:35
6:57
-
10K
6.21 mi11:32:5242:206:4920:45
6:41
-0:16
15K
9.32 mi11:53:451:03:136:4720:53
6:43
+0:02
20K
12.43 mi12:15:591:25:276:5322:14
7:09
+0:26
Half
13.11 mi12:20:371:30:056:524:38
6:47
-0:22
25K
15.53 mi12:38:171:47:456:5617:40
7:17
+0:30
30K
18.64 mi13:01:462:11:147:0223:29
7:34
+0:17
20M
20.00 mi13:11:212:20:497:029:35
7:03
-0:31
21M
21.00 mi13:18:482:28:167:047:27
7:27
+0:24
35K
21.75 mi13:24:112:33:397:045:23
7:12
-0:15
23M
23.00 mi13:32:592:42:277:048:48
7:02
-0:10
24M
24.00 mi13:40:342:50:027:057:35
7:35
+0:33
40K
24.85 mi13:46:332:56:017:055:59
7:00
-0:35
25.2M
25.20 mi13:49:052:58:337:052:32
7:21
+0:21
Finish
26.22 mi13:56:093:05:377:057:04
6:56
-0:25

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

6:41 /mi

Average Pace

7:05 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:06

79% of race

Time at Steady Pace

38:31

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi11:12:0721:356:5721:35
6:57
#6700
10K
6.21 mi11:32:5242:206:4920:45
6:41
#5517
15K
9.32 mi11:53:451:03:136:4720:53
6:43
#5018
20K
12.43 mi12:15:591:25:276:5322:14
7:09
#5377
Half
13.11 mi12:20:371:30:056:524:38
6:47
#5329
25K
15.53 mi12:38:171:47:456:5617:40
7:17
#5322
30K
18.64 mi13:01:462:11:147:0223:29
7:34
#5238
20M
20.00 mi13:11:212:20:497:029:35
7:03
#4906
21M
21.00 mi13:18:482:28:167:047:27
7:27
#4655
35K
21.75 mi13:24:112:33:397:045:23
7:12
#4564
23M
23.00 mi13:32:592:42:277:048:48
7:02
#4239
24M
24.00 mi13:40:342:50:027:057:35
7:35
#4176
40K
24.85 mi13:46:332:56:017:055:59
7:00
#3999
25.2M
25.20 mi13:49:052:58:337:052:32
7:21
#3908
Finish
26.22 mi13:56:093:05:377:057:04
6:56
#3802
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6700594959494072(Top 16%)3826(Top 26%)3826(Top 190%)
10K6.21 mi3.10 mi5517+11835052+8975052+8974148(Top 16%)3890(Top 27%)3890(Top 194%)
15K9.32 mi3.11 mi5018+4994646+4064646+4064072(Top 16%)3826(Top 26%)3826(Top 190%)
20K12.43 mi3.11 mi5377-3594926-2804926-2806115(Top 24%)5395(Top 37%)5395(Top 269%)
Half13.11 mi0.68 mi5329+484882+444882+444414(Top 17%)4080(Top 28%)4080(Top 203%)
25K15.53 mi2.42 mi5322+74853+294853+295732(Top 22%)5003(Top 34%)5003(Top 249%)
30K18.64 mi3.11 mi5238+844742+1114742+1115372(Top 21%)4603(Top 32%)4603(Top 229%)
20M20.00 mi1.36 mi4906+3324473+2694473+2692578(Top 10%)2399(Top 16%)2399(Top 119%)
21M21.00 mi1.00 mi4655+2514250+2234250+2232363(Top 9%)2173(Top 15%)2173(Top 108%)
35K21.75 mi0.75 mi4564+914163+874163+873749(Top 15%)3274(Top 22%)3274(Top 163%)
23M23.00 mi1.25 mi4239+3253874+2893874+2892046(Top 8%)1872(Top 13%)1872(Top 93%)
24M24.00 mi1.00 mi4176+633797+773797+774454(Top 17%)3578(Top 25%)3578(Top 178%)
40K24.85 mi0.85 mi3999+1773640+1573640+1571856(Top 7%)1680(Top 12%)1680(Top 84%)
25.2M25.20 mi0.35 mi3908+913566+743566+741148(Top 4%)1061(Top 7%)1061(Top 53%)
Finish26.22 mi1.02 mi3802+1063465+1013465+1012870(Top 11%)2425(Top 17%)2425(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4072

Males

3826

M40-44

3826

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4148

Males

3890

M40-44

3890

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4072

Males

3826

M40-44

3826

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6115

Males

5395

M40-44

5395

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4414

Males

4080

M40-44

4080

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

5732

Males

5003

M40-44

5003

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5372

Males

4603

M40-44

4603

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2578

Males

2399

M40-44

2399

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2363

Males

2173

M40-44

2173

21M→35K

21.0 - 21.8 mi

Top 15%
×7story building
+17ft-86ft

Overall

3749

Males

3274

M40-44

3274

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2046

Males

1872

M40-44

1872

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4454

Males

3578

M40-44

3578

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1856

Males

1680

M40-44

1680

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1148

Males

1061

M40-44

1061

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2870

Males

2425

M40-44

2425

Passing Analysis

Category:
Athletes Passed
3748
Passed By
850
Net Change
+2898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6700
5K → 10K11852+1183#6700#5517
10K → 15K5078+499#5517#5018
15K → 20K87446-359#5018#5377
20K → Half6113+48#5377#5329
Half → 25K172165+7#5329#5322
25K → 30K230146+84#5322#5238
30K → 20M3320+332#5238#4906
20M → 21M2521+251#4906#4655
21M → 35K10615+91#4655#4564
35K → 23M3261+325#4564#4239
23M → 24M10441+63#4239#4176
24M → 40K1781+177#4176#3999
40K → 25.2M932+91#3999#3908
25.2M → Finish1159+106#3908#3802
TOTALS3748850+2898
📊

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