Boston Marathon logo
BOSTON MARATHON 2023

Jose Yong

Bib: 17349•M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17871
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
52:08
Rank: #17144 (+727)
5K → 10K
25:35 | 8:14/mi
15K· 9.32 mi
1:16:43
Rank: #16044 (+1100)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:41:42
Rank: #15461 (+583)
15K → 20K
24:59 | 8:02/mi
Half· 13.11 mi
1:47:13
Rank: #15440 (+21)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:54
Rank: #15121 (+319)
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:34:24
Rank: #15355 (-234)
25K → 30K
27:30 | 8:51/mi
20M
2:48:42
Rank: #16131 (-776)
30K → 20M
14:18 | 10:31/mi
21M
2:58:55
Rank: #16313 (-182)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:06:34
Rank: #16627 (-314)
21M → 35K
7:39 | 10:14/mi
23M
3:18:15
Rank: #16695 (-68)
35K → 23M
11:41 | 9:20/mi
24M
3:28:38
Rank: #17049 (-354)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
3:36:57
Rank: #17160 (-111)
24M → 40K
8:19 | 9:44/mi
25.2M
3:40:10
Rank: #17121 (+39)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:48:15
Rank: #16920 (+201)
25.2M → Finish
8:05 | 7:56/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
Time1:47:13
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:01:02
Pace9:14 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0026:338:3326:33
8:33
-
10K
6.21 mi11:49:3552:088:2325:35
8:14
-0:19
15K
9.32 mi12:14:101:16:438:1424:35
7:55
-0:19
20K
12.43 mi12:39:091:41:428:1124:59
8:02
+0:07
Half
13.11 mi12:44:401:47:138:115:31
8:05
+0:03
25K
15.53 mi13:04:212:06:548:1019:41
8:07
+0:02
30K
18.64 mi13:31:512:34:248:1727:30
8:51
+0:44
20M
20.00 mi13:46:092:48:428:2614:18
10:31
+1:40
21M
21.00 mi13:56:222:58:558:3110:13
10:13
-0:18
35K
21.75 mi14:04:013:06:348:357:39
10:14
+0:01
23M
23.00 mi14:15:423:18:158:3711:41
9:20
-0:54
24M
24.00 mi14:26:053:28:388:4210:23
10:23
+1:03
40K
24.85 mi14:34:243:36:578:448:19
9:44
-0:39
25.2M
25.20 mi14:37:373:40:108:443:13
9:20
-0:24
Finish
26.22 mi14:45:423:48:158:438:05
7:56
-1:24

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

7:55 /mi

Average Pace

8:43 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:26

48% of race

Time at Steady Pace

54:03

24% of race

Time at Slower Pace

1:05:46

29% of race

Average Pace: 8:42 /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 mi11:24:0026:338:3326:33
8:33
#17871
10K
6.21 mi11:49:3552:088:2325:35
8:14
#17144
15K
9.32 mi12:14:101:16:438:1424:35
7:55
#16044
20K
12.43 mi12:39:091:41:428:1124:59
8:02
#15461
Half
13.11 mi12:44:401:47:138:115:31
8:05
#15440
25K
15.53 mi13:04:212:06:548:1019:41
8:07
#15121
30K
18.64 mi13:31:512:34:248:1727:30
8:51
#15355
20M
20.00 mi13:46:092:48:428:2614:18
10:31
#16131
21M
21.00 mi13:56:222:58:558:3110:13
10:13
#16313
35K
21.75 mi14:04:013:06:348:357:39
10:14
#16627
23M
23.00 mi14:15:423:18:158:3711:41
9:20
#16695
24M
24.00 mi14:26:053:28:388:4210:23
10:23
#17049
40K
24.85 mi14:34:243:36:578:448:19
9:44
#17160
25.2M
25.20 mi14:37:373:40:108:443:13
9:20
#17121
Finish
26.22 mi14:45:423:48:158:438:05
7:56
#16920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17871113811138113672(Top 51%)9777(Top 64%)9777(Top 688%)
10K6.21 mi3.10 mi17144+72711108+27311108+27316480(Top 62%)10899(Top 72%)10899(Top 766%)
15K9.32 mi3.11 mi16044+110010714+39410714+39413672(Top 51%)9777(Top 64%)9777(Top 688%)
20K12.43 mi3.11 mi15461+58310471+24310471+24313761(Top 52%)9778(Top 64%)9778(Top 688%)
Half13.11 mi0.68 mi15440+2110460+1110460+1115026(Top 56%)10326(Top 68%)10326(Top 726%)
25K15.53 mi2.42 mi15121+31910321+13910321+13913619(Top 51%)9615(Top 63%)9615(Top 676%)
30K18.64 mi3.11 mi15355-23410355-3410355-3416384(Top 62%)10646(Top 70%)10646(Top 749%)
20M20.00 mi1.36 mi16131-77610639-28410639-28421773(Top 82%)12891(Top 85%)12891(Top 907%)
21M21.00 mi1.00 mi16313-18210690-5110690-5118752(Top 70%)11533(Top 76%)11533(Top 811%)
35K21.75 mi0.75 mi16627-31410819-12910819-12921820(Top 82%)12847(Top 85%)12847(Top 903%)
23M23.00 mi1.25 mi16695-6810830-1110830-1117650(Top 66%)10966(Top 72%)10966(Top 771%)
24M24.00 mi1.00 mi17049-35410954-12410954-12421734(Top 82%)12741(Top 84%)12741(Top 896%)
40K24.85 mi0.85 mi17160-11110990-3610990-3619088(Top 72%)11524(Top 76%)11524(Top 810%)
25.2M25.20 mi0.35 mi17121+3910966+2410966+2414291(Top 54%)9384(Top 62%)9384(Top 660%)
Finish26.22 mi1.02 mi16920+20110867+9910867+9911620(Top 44%)8113(Top 53%)8113(Top 571%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13672

Males

9777

M55-59

9777

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16480

Males

10899

M55-59

10899

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13672

Males

9777

M55-59

9777

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13761

Males

9778

M55-59

9778

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15026

Males

10326

M55-59

10326

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13619

Males

9615

M55-59

9615

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16384

Males

10646

M55-59

10646

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21773

Males

12891

M55-59

12891

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18752

Males

11533

M55-59

11533

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21820

Males

12847

M55-59

12847

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17650

Males

10966

M55-59

10966

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21734

Males

12741

M55-59

12741

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19088

Males

11524

M55-59

11524

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14291

Males

9384

M55-59

9384

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

11620

Males

8113

M55-59

8113

Passing Analysis

Category:
Athletes Passed
3430
Passed By
2479
Net Change
+951
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17871
5K → 10K832105+727#17871#17144
10K → 15K111414+1100#17144#16044
15K → 20K59512+583#16044#15461
20K → Half4625+21#15461#15440
Half → 25K33415+319#15440#15121
25K → 30K110344-234#15121#15355
30K → 20M8784-776#15355#16131
20M → 21M31213-182#16131#16313
21M → 35K10324-314#16313#16627
35K → 23M62130-68#16627#16695
23M → 24M9363-354#16695#17049
24M → 40K25136-111#17049#17160
40K → 25.2M478+39#17160#17121
25.2M → Finish2076+201#17121#16920
TOTALS34302479+951
📊

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