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BOSTON MARATHON 2023

Kenji Oohashi

Bib: 17150•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M70-74)
#0 / 213
Top 2%
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
7:31/mi
23:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:35/mi
1:10:08
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:34:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:39:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
1:59:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:25:39
↑ 181↓ 1480.2%
20M
8:12/mi
2:36:48
↑ 64↓ 500.2%
21M
8:59/mi
2:45:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:51:33
↑ 17↓ 861.7%
23M
8:10/mi
3:01:46
↑ 23↓ 630.6%
24M
7:52/mi
3:09:38
↓ 821.3%
40K· 24.85 mi
8:04/mi
3:16:32
↓ 200.3%
25.2M
8:51/mi
3:19:35
↑ 13↓ 160.2%
Finish· 26.22 mi
8:04/mi
3:27:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:47:52
Pace8:14 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:4323:207:3123:20
7:31
-
10K
6.21 mi11:36:5846:357:3023:15
7:29
-0:02
15K
9.32 mi12:00:311:10:087:3123:33
7:35
+0:06
20K
12.43 mi12:25:091:34:467:3824:38
7:56
+0:21
Half
13.11 mi12:30:191:39:567:375:10
7:34
-0:22
25K
15.53 mi12:50:021:59:397:4219:43
8:08
+0:34
30K
18.64 mi13:16:022:25:397:4926:00
8:22
+0:14
20M
20.00 mi13:27:112:36:487:5011:09
8:12
-0:10
21M
21.00 mi13:36:102:45:477:548:59
8:59
+0:47
35K
21.75 mi13:41:562:51:337:535:46
7:42
-1:17
23M
23.00 mi13:52:093:01:467:5410:13
8:10
+0:28
24M
24.00 mi14:00:013:09:387:547:52
7:52
-0:18
40K
24.85 mi14:06:553:16:327:546:54
8:04
+0:12
25.2M
25.20 mi14:09:583:19:357:553:03
8:51
+0:47
Finish
26.22 mi14:18:113:27:487:568:13
8:04
-0:47

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

7:29 /mi

Average Pace

7:56 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:04

39% of race

Time at Steady Pace

1:28:42

43% of race

Time at Slower Pace

38:02

18% of race

Average Pace: 7:56 /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 mi11:13:4323:207:3123:20
7:31
#9718
10K
6.21 mi11:36:5846:357:3023:15
7:29
#9994
15K
9.32 mi12:00:311:10:087:3123:33
7:35
#10274
20K
12.43 mi12:25:091:34:467:3824:38
7:56
#10924
Half
13.11 mi12:30:191:39:567:375:10
7:34
#10915
25K
15.53 mi12:50:021:59:397:4219:43
8:08
#11318
30K
18.64 mi13:16:022:25:397:4926:00
8:22
#11726
20M
20.00 mi13:27:112:36:487:5011:09
8:12
#11710
21M
21.00 mi13:36:102:45:477:548:59
8:59
#11811
35K
21.75 mi13:41:562:51:337:535:46
7:42
#11748
23M
23.00 mi13:52:093:01:467:5410:13
8:10
#11660
24M
24.00 mi14:00:013:09:387:547:52
7:52
#11594
40K
24.85 mi14:06:553:16:327:546:54
8:04
#11546
25.2M
25.20 mi14:09:583:19:357:553:03
8:51
#11525
Finish
26.22 mi14:18:113:27:487:568:13
8:04
#11550
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi97187992799210830(Top 41%)8568(Top 56%)8568(Top 4023%)
10K6.21 mi3.10 mi9994-2768145-1538145-15310315(Top 39%)8339(Top 55%)8339(Top 3915%)
15K9.32 mi3.11 mi10274-2808316-1718316-17110830(Top 41%)8568(Top 56%)8568(Top 4023%)
20K12.43 mi3.11 mi10924-6508611-2958611-29512844(Top 48%)9359(Top 62%)9359(Top 4394%)
Half13.11 mi0.68 mi10915+98605+68605+610783(Top 41%)8509(Top 56%)8509(Top 3995%)
25K15.53 mi2.42 mi11318-4038757-1528757-15213719(Top 52%)9650(Top 64%)9650(Top 4531%)
30K18.64 mi3.11 mi11726-4088888-1318888-13113454(Top 51%)9432(Top 62%)9432(Top 4428%)
20M20.00 mi1.36 mi11710+168862+268862+2611720(Top 44%)8583(Top 57%)8583(Top 4030%)
21M21.00 mi1.00 mi11811-1018886-248886-2413280(Top 50%)9161(Top 60%)9161(Top 4301%)
35K21.75 mi0.75 mi11748+638849+378849+379981(Top 37%)7635(Top 50%)7635(Top 3585%)
23M23.00 mi1.25 mi11660+888789+608789+6010883(Top 41%)7908(Top 52%)7908(Top 3713%)
24M24.00 mi1.00 mi11594+668737+528737+5210265(Top 39%)7538(Top 50%)7538(Top 3539%)
40K24.85 mi0.85 mi11546+488693+448693+4410494(Top 39%)7606(Top 50%)7606(Top 3571%)
25.2M25.20 mi0.35 mi11525+218676+178676+1711531(Top 43%)8045(Top 53%)8045(Top 3777%)
Finish26.22 mi1.02 mi11550-258652+248652+2412530(Top 47%)8537(Top 56%)8537(Top 4008%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10830

Males

8568

M70-74

8568

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10315

Males

8339

M70-74

8339

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10830

Males

8568

M70-74

8568

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12844

Males

9359

M70-74

9359

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10783

Males

8509

M70-74

8509

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13719

Males

9650

M70-74

9650

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13454

Males

9432

M70-74

9432

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11720

Males

8583

M70-74

8583

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13280

Males

9161

M70-74

9161

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9981

Males

7635

M70-74

7635

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10883

Males

7908

M70-74

7908

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10265

Males

7538

M70-74

7538

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10494

Males

7606

M70-74

7606

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11531

Males

8045

M70-74

8045

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

12530

Males

8537

M70-74

8537

Passing Analysis

Category:
Athletes Passed
1154
Passed By
2984
Net Change
-1832
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9718
5K → 10K199475-276#9718#9994
10K → 15K94372-280#9994#10274
15K → 20K32682-650#10274#10924
20K → Half3021+9#10924#10915
Half → 25K42445-403#10915#11318
25K → 30K83491-408#11318#11726
30K → 20M10589+16#11726#11710
20M → 21M54155-101#11710#11811
21M → 35K8522+63#11811#11748
35K → 23M13951+88#11748#11660
23M → 24M10135+66#11660#11594
24M → 40K8234+48#11594#11546
40K → 25.2M4423+21#11546#11525
25.2M → Finish6489-25#11525#11550
TOTALS11542984-1832
📊

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