Boston Marathon logo
BOSTON MARATHON 2023

Takao Hosono

Bib: 29497•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:27
Rank: #23731
Start → 5K
10:07/mi
31:27 split
10K· 6.21 mi
1:01:32
Rank: #23394 (+337)
5K → 10K
9:41/mi
30:05 split
15K· 9.32 mi
1:31:29
Rank: #23181 (+213)
10K → 15K
9:38/mi
29:57 split
20K· 12.43 mi
2:03:19
Rank: #23259 (-78)
15K → 20K
10:15/mi
31:50 split
Half· 13.11 mi
2:09:57
Rank: #23214 (+45)
20K → Half
9:43/mi
6:38 split
25K· 15.53 mi
2:35:26
Rank: #23215 (-1)
Half → 25K
10:31/mi
25:29 split
30K· 18.64 mi
3:08:10
Rank: #23029 (+186)
25K → 30K
10:32/mi
32:44 split
20M
3:23:31
Rank: #23030 (-1)
30K → 20M
11:18/mi
15:21 split
21M
3:35:38
Rank: #23028 (+2)
20M → 21M
12:07/mi
12:07 split
35K· 21.75 mi
3:43:06
Rank: #22959 (+69)
21M → 35K
9:59/mi
7:28 split
23M
3:56:42
Rank: #22902 (+57)
35K → 23M
10:52/mi
13:36 split
24M
4:06:56
Rank: #22823 (+79)
23M → 24M
10:14/mi
10:14 split
40K· 24.85 mi
4:16:04
Rank: #22795 (+28)
24M → 40K
10:41/mi
9:08 split
25.2M
4:19:57
Rank: #22769 (+26)
40K → 25.2M
11:16/mi
3:53 split
Finish· 26.22 mi
4:30:12
Rank: #22748 (+21)
25.2M → Finish
10:04/mi
10:15 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:57
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:20:15
Pace10:42 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2131:2710:0731:27
10:07
-
10K
6.21 mi12:22:261:01:329:5430:05
9:41
-0:26
15K
9.32 mi12:52:231:31:299:4929:57
9:38
-0:03
20K
12.43 mi13:24:132:03:199:5531:50
10:15
+0:37
Half
13.11 mi13:30:512:09:579:556:38
9:43
-0:32
25K
15.53 mi13:56:202:35:2610:0025:29
10:31
+0:48
30K
18.64 mi14:29:043:08:1010:0632:44
10:32
+0:01
20M
20.00 mi14:44:253:23:3110:1115:21
11:18
+0:46
21M
21.00 mi14:56:323:35:3810:1612:07
12:07
+0:49
35K
21.75 mi15:04:003:43:0610:167:28
9:59
-2:08
23M
23.00 mi15:17:363:56:4210:1713:36
10:52
+0:53
24M
24.00 mi15:27:504:06:5610:1710:14
10:14
-0:38
40K
24.85 mi15:36:584:16:0410:189:08
10:41
+0:27
25.2M
25.20 mi15:40:514:19:5710:193:53
11:16
+0:35
Finish
26.22 mi15:51:064:30:1210:1910:15
10:04
-1:12

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

9:38 /mi

Average Pace

10:19 /mi

Slowest Pace

12:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:40

25% of race

Time at Steady Pace

2:29:27

55% of race

Time at Slower Pace

54:05

20% of race

Average Pace: 10:18 /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 mi11:52:2131:2710:0731:27
10:07
#23731
10K
6.21 mi12:22:261:01:329:5430:05
9:41
#23394
15K
9.32 mi12:52:231:31:299:4929:57
9:38
#23181
20K
12.43 mi13:24:132:03:199:5531:50
10:15
#23259
Half
13.11 mi13:30:512:09:579:556:38
9:43
#23214
25K
15.53 mi13:56:202:35:2610:0025:29
10:31
#23215
30K
18.64 mi14:29:043:08:1010:0632:44
10:32
#23029
20M
20.00 mi14:44:253:23:3110:1115:21
11:18
#23030
21M
21.00 mi14:56:323:35:3810:1612:07
12:07
#23028
35K
21.75 mi15:04:003:43:0610:167:28
9:59
#22959
23M
23.00 mi15:17:363:56:4210:1713:36
10:52
#22902
24M
24.00 mi15:27:504:06:5610:1710:14
10:14
#22823
40K
24.85 mi15:36:584:16:0410:189:08
10:41
#22795
25.2M
25.20 mi15:40:514:19:5710:193:53
11:16
#22769
Finish
26.22 mi15:51:064:30:1210:1910:15
10:04
#22748
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi23731139461394622626(Top 85%)13462(Top 89%)13462(Top 1213%)
10K6.21 mi3.10 mi23394+33713806+14013806+14023005(Top 86%)13648(Top 90%)13648(Top 1230%)
15K9.32 mi3.11 mi23181+21313715+9113715+9122626(Top 85%)13462(Top 89%)13462(Top 1213%)
20K12.43 mi3.11 mi23259-7813750-3513750-3523372(Top 88%)13798(Top 91%)13798(Top 1243%)
Half13.11 mi0.68 mi23214+4513727+2313727+2322686(Top 85%)13486(Top 89%)13486(Top 1215%)
25K15.53 mi2.42 mi23215-113728-113728-123218(Top 87%)13691(Top 90%)13691(Top 1233%)
30K18.64 mi3.11 mi23029+18613611+11713611+11722279(Top 84%)13198(Top 87%)13198(Top 1189%)
20M20.00 mi1.36 mi23030-113594+1713594+1723168(Top 87%)13539(Top 89%)13539(Top 1220%)
21M21.00 mi1.00 mi23028+213588+613588+622928(Top 86%)13393(Top 88%)13393(Top 1207%)
35K21.75 mi0.75 mi22959+6913544+4413544+4421205(Top 80%)12587(Top 83%)12587(Top 1134%)
23M23.00 mi1.25 mi22902+5713504+4013504+4022078(Top 83%)12946(Top 85%)12946(Top 1166%)
24M24.00 mi1.00 mi22823+7913453+5113453+5121409(Top 80%)12597(Top 83%)12597(Top 1135%)
40K24.85 mi0.85 mi22795+2813441+1213441+1221666(Top 81%)12672(Top 84%)12672(Top 1142%)
25.2M25.20 mi0.35 mi22769+2613428+1313428+1321039(Top 79%)12412(Top 82%)12412(Top 1118%)
Finish26.22 mi1.02 mi22748+2113412+1613412+1621915(Top 82%)12823(Top 84%)12823(Top 1155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22626

Males

13462

M60-64

13462

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

23005

Males

13648

M60-64

13648

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22626

Males

13462

M60-64

13462

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23372

Males

13798

M60-64

13798

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22686

Males

13486

M60-64

13486

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23218

Males

13691

M60-64

13691

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22279

Males

13198

M60-64

13198

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23168

Males

13539

M60-64

13539

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

22928

Males

13393

M60-64

13393

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21205

Males

12587

M60-64

12587

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22078

Males

12946

M60-64

12946

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21409

Males

12597

M60-64

12597

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21666

Males

12672

M60-64

12672

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21039

Males

12412

M60-64

12412

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21915

Males

12823

M60-64

12823

Passing Analysis

Category:
Athletes Passed
1622
Passed By
639
Net Change
+983
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23731
5K → 10K42689+337#23731#23394
10K → 15K26148+213#23394#23181
15K → 20K93171-78#23181#23259
20K → Half5611+45#23259#23214
Half → 25K105106-1#23214#23215
25K → 30K22438+186#23215#23029
30K → 20M6162-1#23029#23030
20M → 21M4644+2#23030#23028
21M → 35K767+69#23028#22959
35K → 23M7518+57#22959#22902
23M → 24M823+79#22902#22823
24M → 40K4517+28#22823#22795
40K → 25.2M304+26#22795#22769
25.2M → Finish4221+21#22769#22748
TOTALS1622639+983
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing