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BOSTON MARATHON 2023

Hiroyuki Murakoshi

Bib: 13782•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M50-54)
#0 / 2052
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
45:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:08:18
↑ 67↓ 78
20K· 12.43 mi
7:20/mi
1:31:06
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:36:06
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:54:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:18:16
↑ 181↓ 1480.2%
20M
8:02/mi
2:29:11
↑ 64↓ 500.2%
21M
8:27/mi
2:37:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:43:36
↑ 17↓ 861.7%
23M
8:22/mi
2:54:04
↑ 23↓ 630.6%
24M
8:06/mi
3:02:10
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:09:02
↓ 200.3%
25.2M
8:48/mi
3:12:04
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:20:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:44:02
Pace7:56 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1923:147:2923:14
7:29
-
10K
6.21 mi11:13:5045:457:2222:31
7:15
-0:14
15K
9.32 mi11:36:231:08:187:2022:33
7:15
0:00
20K
12.43 mi11:59:111:31:067:2022:48
7:20
+0:05
Half
13.11 mi12:04:111:36:067:205:00
7:20
0:00
25K
15.53 mi12:22:261:54:217:2218:15
7:32
+0:12
30K
18.64 mi12:46:212:18:167:2523:55
7:42
+0:10
20M
20.00 mi12:57:162:29:117:2810:55
8:02
+0:20
21M
21.00 mi13:05:432:37:387:308:27
8:27
+0:25
35K
21.75 mi13:11:412:43:367:315:58
7:59
-0:28
23M
23.00 mi13:22:092:54:047:3410:28
8:22
+0:23
24M
24.00 mi13:30:153:02:107:358:06
8:06
-0:16
40K
24.85 mi13:37:073:09:027:366:52
8:02
-0:04
25.2M
25.20 mi13:40:093:12:047:373:02
8:48
+0:46
Finish
26.22 mi13:48:133:20:087:388:04
7:55
-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

7:15 /mi

Average Pace

7:38 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:21

57% of race

Time at Steady Pace

1:03:50

32% of race

Time at Slower Pace

21:57

11% of race

Average Pace: 7:38 /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 mi10:51:1923:147:2923:14
7:29
#9430
10K
6.21 mi11:13:5045:457:2222:31
7:15
#8906
15K
9.32 mi11:36:231:08:187:2022:33
7:15
#8667
20K
12.43 mi11:59:111:31:067:2022:48
7:20
#8476
Half
13.11 mi12:04:111:36:067:205:00
7:20
#8488
25K
15.53 mi12:22:261:54:217:2218:15
7:32
#8519
30K
18.64 mi12:46:212:18:167:2523:55
7:42
#8500
20M
20.00 mi12:57:162:29:117:2810:55
8:02
#8627
21M
21.00 mi13:05:432:37:387:308:27
8:27
#8704
35K
21.75 mi13:11:412:43:367:315:58
7:59
#8811
23M
23.00 mi13:22:092:54:047:3410:28
8:22
#8981
24M
24.00 mi13:30:153:02:107:358:06
8:06
#9098
40K
24.85 mi13:37:073:09:027:366:52
8:02
#9103
25.2M
25.20 mi13:40:093:12:047:373:02
8:48
#9140
Finish
26.22 mi13:48:133:20:087:388:04
7:55
#9225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9430782978298230(Top 31%)7067(Top 47%)7067(Top 344%)
10K6.21 mi3.10 mi8906+5247520+3097520+3098462(Top 32%)7237(Top 48%)7237(Top 353%)
15K9.32 mi3.11 mi8667+2397369+1517369+1518230(Top 31%)7067(Top 47%)7067(Top 344%)
20K12.43 mi3.11 mi8476+1917239+1307239+1308078(Top 30%)6942(Top 46%)6942(Top 338%)
Half13.11 mi0.68 mi8488-127247-87247-88800(Top 33%)7391(Top 49%)7391(Top 360%)
25K15.53 mi2.42 mi8519-317243+47243+48969(Top 34%)7416(Top 49%)7416(Top 361%)
30K18.64 mi3.11 mi8500+197190+537190+538626(Top 32%)7054(Top 46%)7054(Top 344%)
20M20.00 mi1.36 mi8627-1277255-657255-6510490(Top 39%)7991(Top 53%)7991(Top 389%)
21M21.00 mi1.00 mi8704-777287-327287-3210156(Top 38%)7686(Top 51%)7686(Top 375%)
35K21.75 mi0.75 mi8811-1077340-537340-5311886(Top 45%)8497(Top 56%)8497(Top 414%)
23M23.00 mi1.25 mi8981-1707408-687408-6812277(Top 46%)8582(Top 57%)8582(Top 418%)
24M24.00 mi1.00 mi9098-1177453-457453-4511895(Top 45%)8336(Top 55%)8336(Top 406%)
40K24.85 mi0.85 mi9103-57436+177436+1710225(Top 38%)7446(Top 49%)7446(Top 363%)
25.2M25.20 mi0.35 mi9140-377445-97445-911220(Top 42%)7883(Top 52%)7883(Top 384%)
Finish26.22 mi1.02 mi9225-857464-197464-1911478(Top 43%)8026(Top 53%)8026(Top 391%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8230

Males

7067

M50-54

7067

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8462

Males

7237

M50-54

7237

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8230

Males

7067

M50-54

7067

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8078

Males

6942

M50-54

6942

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8800

Males

7391

M50-54

7391

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8969

Males

7416

M50-54

7416

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8626

Males

7054

M50-54

7054

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10490

Males

7991

M50-54

7991

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10156

Males

7686

M50-54

7686

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11886

Males

8497

M50-54

8497

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12277

Males

8582

M50-54

8582

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11895

Males

8336

M50-54

8336

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10225

Males

7446

M50-54

7446

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11220

Males

7883

M50-54

7883

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11478

Males

8026

M50-54

8026

Passing Analysis

Category:
Athletes Passed
1690
Passed By
1485
Net Change
+205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9430
5K → 10K60783+524#9430#8906
10K → 15K28546+239#8906#8667
15K → 20K23948+191#8667#8476
20K → Half1830-12#8476#8488
Half → 25K88119-31#8488#8519
25K → 30K172153+19#8519#8500
30K → 20M45172-127#8500#8627
20M → 21M51128-77#8627#8704
21M → 35K21128-107#8704#8811
35K → 23M33203-170#8811#8981
23M → 24M30147-117#8981#9098
24M → 40K5257-5#9098#9103
40K → 25.2M1350-37#9103#9140
25.2M → Finish36121-85#9140#9225
TOTALS16901485+205
📊

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