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BOSTON MARATHON 2023

Yasuhiro Okuno

Bib: 11725•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
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
7:13/mi
22:24
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
44:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:19/mi
1:06:44
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:30:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:35:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:54:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:12/mi
2:19:47
↑ 181↓ 1480.2%
20M
8:12/mi
2:30:55
↑ 64↓ 500.2%
21M
8:57/mi
2:39:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:45:53
↑ 17↓ 861.7%
23M
8:06/mi
2:56:02
↑ 23↓ 630.6%
24M
8:24/mi
3:04:26
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:11:48
↓ 200.3%
25.2M
9:25/mi
3:15:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:08/mi
3:23:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:23
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:47:57
Pace8:14 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5722:247:1322:24
7:13
-
10K
6.21 mi11:11:3344:007:0521:36
6:57
-0:16
15K
9.32 mi11:34:171:06:447:1022:44
7:19
+0:22
20K
12.43 mi11:57:471:30:147:1623:30
7:34
+0:15
Half
13.11 mi12:02:561:35:237:175:09
7:33
-0:01
25K
15.53 mi12:21:501:54:177:2118:54
7:48
+0:15
30K
18.64 mi12:47:202:19:477:3025:30
8:12
+0:24
20M
20.00 mi12:58:282:30:557:3311:08
8:12
0:00
21M
21.00 mi13:07:252:39:527:378:57
8:57
+0:45
35K
21.75 mi13:13:262:45:537:386:01
8:03
-0:54
23M
23.00 mi13:23:352:56:027:3910:09
8:06
+0:03
24M
24.00 mi13:31:593:04:267:418:24
8:24
+0:18
40K
24.85 mi13:39:213:11:487:437:22
8:37
+0:13
25.2M
25.20 mi13:42:363:15:037:443:15
9:25
+0:48
Finish
26.22 mi13:50:533:23:207:468:17
8:08
-1:17

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

6:57 /mi

Average Pace

7:46 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:23

47% of race

Time at Steady Pace

1:28:23

43% of race

Time at Slower Pace

19:34

10% of race

Average Pace: 7:45 /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 mi10:49:5722:247:1322:24
7:13
#7563
10K
6.21 mi11:11:3344:007:0521:36
6:57
#6994
15K
9.32 mi11:34:171:06:447:1022:44
7:19
#7485
20K
12.43 mi11:57:471:30:147:1623:30
7:34
#7976
Half
13.11 mi12:02:561:35:237:175:09
7:33
#8085
25K
15.53 mi12:21:501:54:177:2118:54
7:48
#8495
30K
18.64 mi12:47:202:19:477:3025:30
8:12
#9149
20M
20.00 mi12:58:282:30:557:3311:08
8:12
#9323
21M
21.00 mi13:07:252:39:527:378:57
8:57
#9532
35K
21.75 mi13:13:262:45:537:386:01
8:03
#9621
23M
23.00 mi13:23:352:56:027:3910:09
8:06
#9637
24M
24.00 mi13:31:593:04:267:418:24
8:24
#9810
40K
24.85 mi13:39:213:11:487:437:22
8:37
#9971
25.2M
25.20 mi13:42:363:15:037:443:15
9:25
#10046
Finish
26.22 mi13:50:533:23:207:468:17
8:08
#10146
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7563669466948698(Top 33%)7368(Top 49%)7368(Top 327%)
10K6.21 mi3.10 mi6994+5696253+4416253+4416510(Top 24%)5864(Top 39%)5864(Top 260%)
15K9.32 mi3.11 mi7485-4916612-3596612-3598698(Top 33%)7368(Top 49%)7368(Top 327%)
20K12.43 mi3.11 mi7976-4916920-3086920-3089804(Top 37%)7965(Top 52%)7965(Top 354%)
Half13.11 mi0.68 mi8085-1096994-746994-7410550(Top 40%)8372(Top 55%)8372(Top 372%)
25K15.53 mi2.42 mi8495-4107228-2347228-23411038(Top 41%)8518(Top 56%)8518(Top 378%)
30K18.64 mi3.11 mi9149-6547593-3657593-36512379(Top 46%)8959(Top 59%)8959(Top 398%)
20M20.00 mi1.36 mi9323-1747667-747667-7411627(Top 44%)8532(Top 56%)8532(Top 379%)
21M21.00 mi1.00 mi9532-2097776-1097776-10913085(Top 49%)9067(Top 60%)9067(Top 403%)
35K21.75 mi0.75 mi9621-897818-427818-4212377(Top 46%)8711(Top 57%)8711(Top 387%)
23M23.00 mi1.25 mi9637-167792+267792+2610494(Top 39%)7716(Top 51%)7716(Top 343%)
24M24.00 mi1.00 mi9810-1737856-647856-6413837(Top 52%)9234(Top 61%)9234(Top 410%)
40K24.85 mi0.85 mi9971-1617911-557911-5514011(Top 53%)9233(Top 61%)9233(Top 410%)
25.2M25.20 mi0.35 mi10046-757936-257936-2514730(Top 55%)9534(Top 63%)9534(Top 423%)
Finish26.22 mi1.02 mi10146-1007965-297965-2912932(Top 49%)8729(Top 58%)8729(Top 388%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8698

Males

7368

M45-49

7368

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6510

Males

5864

M45-49

5864

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8698

Males

7368

M45-49

7368

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9804

Males

7965

M45-49

7965

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10550

Males

8372

M45-49

8372

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11038

Males

8518

M45-49

8518

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12379

Males

8959

M45-49

8959

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11627

Males

8532

M45-49

8532

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13085

Males

9067

M45-49

9067

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12377

Males

8711

M45-49

8711

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10494

Males

7716

M45-49

7716

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13837

Males

9234

M45-49

9234

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14011

Males

9233

M45-49

9233

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14730

Males

9534

M45-49

9534

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12932

Males

8729

M45-49

8729

Passing Analysis

Category:
Athletes Passed
1044
Passed By
3626
Net Change
-2583
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7563
5K → 10K60738+569#7563#6994
10K → 15K27518-491#6994#7485
15K → 20K27518-491#7485#7976
20K → Half5114-109#7976#8085
Half → 25K29439-410#8085#8495
25K → 30K51705-654#8495#9149
30K → 20M31205-174#9149#9323
20M → 21M44253-209#9323#9532
21M → 35K22111-89#9532#9621
35K → 23M93109-16#9621#9637
23M → 24M24197-173#9637#9810
24M → 40K30191-161#9810#9971
40K → 25.2M1791-75#9971#10046
25.2M → Finish37137-100#10046#10146
TOTALS10443626-2583
📊

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