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BOSTON MARATHON 2023

Hiromitsu Namba

Bib: 7447•M

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Male)
#0 / 15176
Top 37%
Masters (Masters Men)
#0 / 9891
Top 23%
Division (M50-54)
#0 / 2052
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:02
Rank: #6816
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
43:28
Rank: #6471 (+345)
5K → 10K
21:26 | 6:54/mi
15K· 9.32 mi
1:04:51
Rank: #6243 (+228)
10K → 15K
21:23 | 6:53/mi
20K· 12.43 mi
1:26:25
Rank: #6066 (+177)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:31:03
Rank: #6030 (+36)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:47:53
Rank: #5871 (+159)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:10:21
Rank: #5761 (+110)
25K → 30K
22:28 | 7:14/mi
20M
2:20:24
Rank: #5770 (-9)
30K → 20M
10:03 | 7:24/mi
21M
2:28:26
Rank: #5805 (-35)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:33:56
Rank: #5841 (-36)
21M → 35K
5:30 | 7:21/mi
23M
2:43:45
Rank: #5926 (-85)
35K → 23M
9:49 | 7:50/mi
24M
2:51:30
Rank: #6000 (-74)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
2:58:20
Rank: #6077 (-77)
24M → 40K
6:50 | 8:00/mi
25.2M
3:01:24
Rank: #6143 (-66)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:09:35
Rank: #6321 (-178)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:03
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0022:027:0622:02
7:06
-
10K
6.21 mi10:47:2643:287:0021:26
6:54
-0:12
15K
9.32 mi11:08:491:04:516:5721:23
6:53
-0:01
20K
12.43 mi11:30:231:26:256:5721:34
6:56
+0:03
Half
13.11 mi11:35:011:31:036:574:38
6:47
-0:09
25K
15.53 mi11:51:511:47:536:5716:50
6:57
+0:10
30K
18.64 mi12:14:192:10:217:0022:28
7:14
+0:17
20M
20.00 mi12:24:222:20:247:0110:03
7:24
+0:10
21M
21.00 mi12:32:242:28:267:048:02
8:02
+0:38
35K
21.75 mi12:37:542:33:567:055:30
7:21
-0:41
23M
23.00 mi12:47:432:43:457:079:49
7:50
+0:29
24M
24.00 mi12:55:282:51:307:097:45
7:45
-0:05
40K
24.85 mi13:02:182:58:207:106:50
8:00
+0:15
25.2M
25.20 mi13:05:223:01:247:123:04
8:54
+0:54
Finish
26.22 mi13:13:333:09:357:148:11
8:02
-0:52

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

6:47 /mi

Average Pace

7:14 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:51

45% of race

Time at Steady Pace

1:00:03

32% of race

Time at Slower Pace

43:41

23% of race

Average Pace: 7:14 /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 mi10:26:0022:027:0622:02
7:06
#6816
10K
6.21 mi10:47:2643:287:0021:26
6:54
#6471
15K
9.32 mi11:08:491:04:516:5721:23
6:53
#6243
20K
12.43 mi11:30:231:26:256:5721:34
6:56
#6066
Half
13.11 mi11:35:011:31:036:574:38
6:47
#6030
25K
15.53 mi11:51:511:47:536:5716:50
6:57
#5871
30K
18.64 mi12:14:192:10:217:0022:28
7:14
#5761
20M
20.00 mi12:24:222:20:247:0110:03
7:24
#5770
21M
21.00 mi12:32:242:28:267:048:02
8:02
#5805
35K
21.75 mi12:37:542:33:567:055:30
7:21
#5841
23M
23.00 mi12:47:432:43:457:079:49
7:50
#5926
24M
24.00 mi12:55:282:51:307:097:45
7:45
#6000
40K
24.85 mi13:02:182:58:207:106:50
8:00
#6077
25.2M
25.20 mi13:05:223:01:247:123:04
8:54
#6143
Finish
26.22 mi13:13:333:09:357:148:11
8:02
#6321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6816613361335830(Top 22%)5328(Top 35%)5328(Top 260%)
10K6.21 mi3.10 mi6471+3455847+2865847+2866119(Top 23%)5553(Top 37%)5553(Top 271%)
15K9.32 mi3.11 mi6243+2285667+1805667+1805830(Top 22%)5328(Top 35%)5328(Top 260%)
20K12.43 mi3.11 mi6066+1775528+1395528+1395618(Top 21%)5160(Top 34%)5160(Top 251%)
Half13.11 mi0.68 mi6030+365499+295499+295234(Top 20%)4844(Top 32%)4844(Top 236%)
25K15.53 mi2.42 mi5871+1595380+1195380+1195257(Top 20%)4849(Top 32%)4849(Top 236%)
30K18.64 mi3.11 mi5761+1105282+985282+985664(Top 21%)5124(Top 34%)5124(Top 250%)
20M20.00 mi1.36 mi5770-95275+75275+76160(Top 23%)5412(Top 36%)5412(Top 264%)
21M21.00 mi1.00 mi5805-355296-215296-217520(Top 28%)6188(Top 41%)6188(Top 302%)
35K21.75 mi0.75 mi5841-365314-185314-187432(Top 28%)6136(Top 40%)6136(Top 299%)
23M23.00 mi1.25 mi5926-855365-515365-518649(Top 32%)6775(Top 45%)6775(Top 330%)
24M24.00 mi1.00 mi6000-745407-425407-429380(Top 35%)7078(Top 47%)7078(Top 345%)
40K24.85 mi0.85 mi6077-775458-515458-519951(Top 37%)7302(Top 48%)7302(Top 356%)
25.2M25.20 mi0.35 mi6143-665503-455503-4511768(Top 44%)8111(Top 53%)8111(Top 395%)
Finish26.22 mi1.02 mi6321-1785628-1255628-12512297(Top 46%)8411(Top 55%)8411(Top 410%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5830

Males

5328

M50-54

5328

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6119

Males

5553

M50-54

5553

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5830

Males

5328

M50-54

5328

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5618

Males

5160

M50-54

5160

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5234

Males

4844

M50-54

4844

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5257

Males

4849

M50-54

4849

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5664

Males

5124

M50-54

5124

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6160

Males

5412

M50-54

5412

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7520

Males

6188

M50-54

6188

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7432

Males

6136

M50-54

6136

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8649

Males

6775

M50-54

6775

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9380

Males

7078

M50-54

7078

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9951

Males

7302

M50-54

7302

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11768

Males

8111

M50-54

8111

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12297

Males

8411

M50-54

8411

Passing Analysis

Category:
Athletes Passed
1517
Passed By
1022
Net Change
+495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6816
5K → 10K40762+345#6816#6471
10K → 15K26032+228#6471#6243
15K → 20K20629+177#6243#6066
20K → Half360+36#6066#6030
Half → 25K18021+159#6030#5871
25K → 30K17565+110#5871#5761
30K → 20M5867-9#5761#5770
20M → 21M4681-35#5770#5805
21M → 35K2460-36#5805#5841
35K → 23M35120-85#5841#5926
23M → 24M36110-74#5926#6000
24M → 40K31108-77#6000#6077
40K → 25.2M773-66#6077#6143
25.2M → Finish16194-178#6143#6321
TOTALS15171022+495
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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