Boston Marathon logo
BOSTON MARATHON 2023

Yasuhiro Tabata

Bib: 11030•M

MA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M55-59)
#0 / 1422
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #6491
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
43:19
Rank: #6340 (+151)
5K → 10K
21:27 | 6:54/mi
15K· 9.32 mi
1:05:11
Rank: #6473 (-133)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:27:57
Rank: #6794 (-321)
15K → 20K
22:46 | 7:20/mi
Half· 13.11 mi
1:32:46
Rank: #6803 (-9)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:51:13
Rank: #7118 (-315)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:16:10
Rank: #7674 (-556)
25K → 30K
24:57 | 8:02/mi
20M
2:27:34
Rank: #8004 (-330)
30K → 20M
11:24 | 8:23/mi
21M
2:37:17
Rank: #8567 (-563)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:44:14
Rank: #9025 (-458)
21M → 35K
6:57 | 9:17/mi
23M
2:55:59
Rank: #9622 (-597)
35K → 23M
11:45 | 9:23/mi
24M
3:05:03
Rank: #10029 (-407)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:13:08
Rank: #10401 (-372)
24M → 40K
8:05 | 9:27/mi
25.2M
3:16:42
Rank: #10564 (-163)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
3:25:31
Rank: #10832 (-268)
25.2M → Finish
8:49 | 8:39/mi

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
Time1:32:46
Pace7:05 /mi
2nd Half
Distance13.11 mi
Time1:52:45
Pace8:36 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2121:527:0221:52
7:02
-
10K
6.21 mi11:09:4843:196:5821:27
6:54
-0:08
15K
9.32 mi11:31:401:05:117:0021:52
7:02
+0:08
20K
12.43 mi11:54:261:27:577:0522:46
7:20
+0:18
Half
13.11 mi11:59:151:32:467:054:49
7:04
-0:16
25K
15.53 mi12:17:421:51:137:1018:27
7:37
+0:33
30K
18.64 mi12:42:392:16:107:1824:57
8:02
+0:25
20M
20.00 mi12:54:032:27:347:2311:24
8:23
+0:21
21M
21.00 mi13:03:462:37:177:299:43
9:43
+1:20
35K
21.75 mi13:10:432:44:147:336:57
9:17
-0:26
23M
23.00 mi13:22:282:55:597:3911:45
9:23
+0:06
24M
24.00 mi13:31:323:05:037:439:04
9:04
-0:19
40K
24.85 mi13:39:373:13:087:468:05
9:27
+0:23
25.2M
25.20 mi13:43:113:16:427:483:34
10:21
+0:54
Finish
26.22 mi13:52:003:25:317:518:49
8:39
-1:42

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

6:54 /mi

Average Pace

7:51 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:13

54% of race

Time at Steady Pace

45:10

22% of race

Time at Slower Pace

49:08

24% of race

Average Pace: 7:50 /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 mi10:48:2121:527:0221:52
7:02
#6491
10K
6.21 mi11:09:4843:196:5821:27
6:54
#6340
15K
9.32 mi11:31:401:05:117:0021:52
7:02
#6473
20K
12.43 mi11:54:261:27:577:0522:46
7:20
#6794
Half
13.11 mi11:59:151:32:467:054:49
7:04
#6803
25K
15.53 mi12:17:421:51:137:1018:27
7:37
#7118
30K
18.64 mi12:42:392:16:107:1824:57
8:02
#7674
20M
20.00 mi12:54:032:27:347:2311:24
8:23
#8004
21M
21.00 mi13:03:462:37:177:299:43
9:43
#8567
35K
21.75 mi13:10:432:44:147:336:57
9:17
#9025
23M
23.00 mi13:22:282:55:597:3911:45
9:23
#9622
24M
24.00 mi13:31:323:05:037:439:04
9:04
#10029
40K
24.85 mi13:39:373:13:087:468:05
9:27
#10401
25.2M
25.20 mi13:43:113:16:427:483:34
10:21
#10564
Finish
26.22 mi13:52:003:25:317:518:49
8:39
#10832
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi6491588058806805(Top 26%)6095(Top 40%)6095(Top 429%)
10K6.21 mi3.10 mi6340+1515749+1315749+1316166(Top 23%)5592(Top 37%)5592(Top 393%)
15K9.32 mi3.11 mi6473-1335845-965845-966805(Top 26%)6095(Top 40%)6095(Top 429%)
20K12.43 mi3.11 mi6794-3216095-2506095-2507994(Top 30%)6888(Top 45%)6888(Top 484%)
Half13.11 mi0.68 mi6803-96102-76102-76943(Top 26%)6200(Top 41%)6200(Top 436%)
25K15.53 mi2.42 mi7118-3156320-2186320-2189617(Top 36%)7777(Top 51%)7777(Top 547%)
30K18.64 mi3.11 mi7674-5566677-3576677-35711134(Top 42%)8412(Top 55%)8412(Top 592%)
20M20.00 mi1.36 mi8004-3306859-1826859-18212916(Top 49%)9084(Top 60%)9084(Top 639%)
21M21.00 mi1.00 mi8567-5637195-3367195-33616886(Top 63%)10735(Top 71%)10735(Top 755%)
35K21.75 mi0.75 mi9025-4587463-2687463-26819072(Top 72%)11611(Top 77%)11611(Top 817%)
23M23.00 mi1.25 mi9622-5977780-3177780-31717850(Top 67%)11044(Top 73%)11044(Top 777%)
24M24.00 mi1.00 mi10029-4077969-1897969-18917498(Top 66%)10837(Top 71%)10837(Top 762%)
40K24.85 mi0.85 mi10401-3728129-1608129-16018152(Top 68%)11098(Top 73%)11098(Top 780%)
25.2M25.20 mi0.35 mi10564-1638196-678196-6718547(Top 70%)11256(Top 74%)11256(Top 792%)
Finish26.22 mi1.02 mi10832-2688305-1098305-10916223(Top 61%)10244(Top 68%)10244(Top 720%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6805

Males

6095

M55-59

6095

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6166

Males

5592

M55-59

5592

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6805

Males

6095

M55-59

6095

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7994

Males

6888

M55-59

6888

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6943

Males

6200

M55-59

6200

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9617

Males

7777

M55-59

7777

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11134

Males

8412

M55-59

8412

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

12916

Males

9084

M55-59

9084

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16886

Males

10735

M55-59

10735

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19072

Males

11611

M55-59

11611

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17850

Males

11044

M55-59

11044

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17498

Males

10837

M55-59

10837

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18152

Males

11098

M55-59

11098

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18547

Males

11256

M55-59

11256

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16223

Males

10244

M55-59

10244

Passing Analysis

Category:
Athletes Passed
534
Passed By
4873
Net Change
-4341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6491
5K → 10K276125+151#6491#6340
10K → 15K71204-133#6340#6473
15K → 20K35356-321#6473#6794
20K → Half1019-9#6794#6803
Half → 25K26341-315#6803#7118
25K → 30K30586-556#7118#7674
30K → 20M15345-330#7674#8004
20M → 21M5568-563#8004#8567
21M → 35K5463-458#8567#9025
35K → 23M12609-597#9025#9622
23M → 24M7412-407#9622#10029
24M → 40K14386-372#10029#10401
40K → 25.2M8171-163#10401#10564
25.2M → Finish20288-268#10564#10832
TOTALS5344873-4341
📊

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