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BOSTON MARATHON 2023

Masahiro Kitano

Bib: 5976•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Masters (Masters Men)
#0 / 9891
Top 26%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #4024
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:40
Rank: #4051 (-27)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:03:04
Rank: #4667 (-616)
10K → 15K
21:24 | 6:53/mi
20K· 12.43 mi
1:25:39
Rank: #5661 (-994)
15K → 20K
22:35 | 7:16/mi
Half· 13.11 mi
1:30:33
Rank: #5761 (-100)
20K → Half
4:54 | 7:11/mi
25K· 15.53 mi
1:48:44
Rank: #6215 (-454)
Half → 25K
18:11 | 7:30/mi
30K· 18.64 mi
2:12:42
Rank: #6514 (-299)
25K → 30K
23:58 | 7:43/mi
20M
2:23:25
Rank: #6651 (-137)
30K → 20M
10:43 | 7:53/mi
21M
2:31:45
Rank: #6732 (-81)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:37:23
Rank: #6770 (-38)
21M → 35K
5:38 | 7:32/mi
23M
2:47:16
Rank: #6826 (-56)
35K → 23M
9:53 | 7:54/mi
24M
2:55:02
Rank: #6895 (-69)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:01:41
Rank: #6919 (-24)
24M → 40K
6:39 | 7:47/mi
25.2M
3:04:32
Rank: #6917 (+2)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:12:15
Rank: #6956 (-39)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:33
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:41:42
Pace7:45 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3920:566:4420:56
6:44
-
10K
6.21 mi10:44:2341:406:4220:44
6:40
-0:04
15K
9.32 mi11:05:471:03:046:4621:24
6:53
+0:13
20K
12.43 mi11:28:221:25:396:5422:35
7:16
+0:23
Half
13.11 mi11:33:161:30:336:544:54
7:11
-0:05
25K
15.53 mi11:51:271:48:447:0018:11
7:30
+0:19
30K
18.64 mi12:15:252:12:427:0723:58
7:43
+0:13
20M
20.00 mi12:26:082:23:257:1010:43
7:53
+0:10
21M
21.00 mi12:34:282:31:457:148:20
8:20
+0:27
35K
21.75 mi12:40:062:37:237:145:38
7:32
-0:48
23M
23.00 mi12:49:592:47:167:169:53
7:54
+0:22
24M
24.00 mi12:57:452:55:027:187:46
7:46
-0:08
40K
24.85 mi13:04:243:01:417:196:39
7:47
+0:01
25.2M
25.20 mi13:07:153:04:327:192:51
8:16
+0:29
Finish
26.22 mi13:14:583:12:157:207:43
7:34
-0:42

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

6:40 /mi

Average Pace

7:20 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:30:33

47% of race

Time at Steady Pace

1:09:55

36% of race

Time at Slower Pace

31:47

17% of race

Average Pace: 7:20 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:3920:566:4420:56
6:44
#4024
10K
6.21 mi10:44:2341:406:4220:44
6:40
#4051
15K
9.32 mi11:05:471:03:046:4621:24
6:53
#4667
20K
12.43 mi11:28:221:25:396:5422:35
7:16
#5661
Half
13.11 mi11:33:161:30:336:544:54
7:11
#5761
25K
15.53 mi11:51:271:48:447:0018:11
7:30
#6215
30K
18.64 mi12:15:252:12:427:0723:58
7:43
#6514
20M
20.00 mi12:26:082:23:257:1010:43
7:53
#6651
21M
21.00 mi12:34:282:31:457:148:20
8:20
#6732
35K
21.75 mi12:40:062:37:237:145:38
7:32
#6770
23M
23.00 mi12:49:592:47:167:169:53
7:54
#6826
24M
24.00 mi12:57:452:55:027:187:46
7:46
#6895
40K
24.85 mi13:04:243:01:417:196:39
7:47
#6919
25.2M
25.20 mi13:07:153:04:327:192:51
8:16
#6917
Finish
26.22 mi13:14:583:12:157:207:43
7:34
#6956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4024377737775883(Top 22%)5371(Top 35%)5371(Top 240%)
10K6.21 mi3.10 mi4051-273808-313808-314103(Top 15%)3854(Top 25%)3854(Top 172%)
15K9.32 mi3.11 mi4667-6164352-5444352-5445883(Top 22%)5371(Top 35%)5371(Top 240%)
20K12.43 mi3.11 mi5661-9945214-8625214-8627549(Top 28%)6593(Top 43%)6593(Top 294%)
Half13.11 mi0.68 mi5761-1005294-805294-807671(Top 29%)6678(Top 44%)6678(Top 298%)
25K15.53 mi2.42 mi6215-4545639-3455639-3458765(Top 33%)7290(Top 48%)7290(Top 325%)
30K18.64 mi3.11 mi6514-2995852-2135852-2138732(Top 33%)7114(Top 47%)7114(Top 317%)
20M20.00 mi1.36 mi6651-1375938-865938-869435(Top 35%)7426(Top 49%)7426(Top 331%)
21M21.00 mi1.00 mi6732-815988-505988-509387(Top 35%)7274(Top 48%)7274(Top 325%)
35K21.75 mi0.75 mi6770-386012-246012-248679(Top 33%)6896(Top 45%)6896(Top 308%)
23M23.00 mi1.25 mi6826-566038-266038-269000(Top 34%)6954(Top 46%)6954(Top 310%)
24M24.00 mi1.00 mi6895-696060-226060-229493(Top 36%)7141(Top 47%)7141(Top 319%)
40K24.85 mi0.85 mi6919-246062-26062-28481(Top 32%)6533(Top 43%)6533(Top 292%)
25.2M25.20 mi0.35 mi6917+26043+196043+197979(Top 30%)6139(Top 40%)6139(Top 274%)
Finish26.22 mi1.02 mi6956-396054-116054-119049(Top 34%)6766(Top 45%)6766(Top 302%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5883

Males

5371

M40-44

5371

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4103

Males

3854

M40-44

3854

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5883

Males

5371

M40-44

5371

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7549

Males

6593

M40-44

6593

20K→Half

12.4 - 13.1 mi

Top 29%
×2stories
+19ft-37ft

Overall

7671

Males

6678

M40-44

6678

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8765

Males

7290

M40-44

7290

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8732

Males

7114

M40-44

7114

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9435

Males

7426

M40-44

7426

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9387

Males

7274

M40-44

7274

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8679

Males

6896

M40-44

6896

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9000

Males

6954

M40-44

6954

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9493

Males

7141

M40-44

7141

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8481

Males

6533

M40-44

6533

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7979

Males

6139

M40-44

6139

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9049

Males

6766

M40-44

6766

Passing Analysis

Category:
Athletes Passed
605
Passed By
3537
Net Change
-2932
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4024
5K → 10K216243-27#4024#4051
10K → 15K25641-616#4051#4667
15K → 20K4998-994#4667#5661
20K → Half2102-100#5661#5761
Half → 25K12466-454#5761#6215
25K → 30K50349-299#6215#6514
30K → 20M26163-137#6514#6651
20M → 21M42123-81#6651#6732
21M → 35K2765-38#6732#6770
35K → 23M49105-56#6770#6826
23M → 24M31100-69#6826#6895
24M → 40K4367-24#6895#6919
40K → 25.2M3735+2#6919#6917
25.2M → Finish4180-39#6917#6956
TOTALS6053537-2932
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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