Boston Marathon logo
BOSTON MARATHON 2023

Joshua Joseph

Bib: 32142•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #6944
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
41:10
Rank: #3351 (+3593)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
1:04:53
Rank: #6260 (-2909)
10K → 15K
23:43 | 7:38/mi
20K· 12.43 mi
1:24:52
Rank: #5119 (+1141)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:29:07
Rank: #4847 (+272)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:44:42
Rank: #4137 (+710)
Half → 25K
15:35 | 6:26/mi
30K· 18.64 mi
2:05:54
Rank: #3893 (+244)
25K → 30K
21:12 | 6:49/mi
20M
2:15:34
Rank: #3958 (-65)
30K → 20M
9:40 | 7:07/mi
21M
2:24:00
Rank: #4384 (-426)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:29:26
Rank: #4504 (-120)
21M → 35K
5:26 | 7:16/mi
23M
2:39:59
Rank: #4955 (-451)
35K → 23M
10:33 | 8:26/mi
24M
2:47:19
Rank: #4992 (-37)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
2:55:23
Rank: #5388 (-396)
24M → 40K
8:04 | 9:26/mi
25.2M
2:58:41
Rank: #5507 (-119)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:06:09
Rank: #5515 (-8)
25.2M → Finish
7:28 | 7:20/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
Time1:29:07
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:37:02
Pace7:24 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3822:067:0722:06
7:07
-
10K
6.21 mi12:00:4241:106:3819:04
6:08
-0:59
15K
9.32 mi12:24:251:04:536:5823:43
7:38
+1:30
20K
12.43 mi12:44:241:24:526:5019:59
6:26
-1:12
Half
13.11 mi12:48:391:29:076:484:15
6:14
-0:12
25K
15.53 mi13:04:141:44:426:4415:35
6:26
+0:12
30K
18.64 mi13:25:262:05:546:4521:12
6:49
+0:23
20M
20.00 mi13:35:062:15:346:479:40
7:07
+0:18
21M
21.00 mi13:43:322:24:006:518:26
8:26
+1:19
35K
21.75 mi13:48:582:29:266:525:26
7:16
-1:10
23M
23.00 mi13:59:312:39:596:5710:33
8:26
+1:10
24M
24.00 mi14:06:512:47:196:587:20
7:20
-1:06
40K
24.85 mi14:14:552:55:237:038:04
9:26
+2:06
25.2M
25.20 mi14:18:132:58:417:053:18
9:34
+0:08
Finish
26.22 mi14:25:413:06:097:067:28
7:20
-2:14

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

6:08 /mi

Average Pace

7:06 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:53

32% of race

Time at Steady Pace

1:36:55

52% of race

Time at Slower Pace

30:21

16% of race

Average Pace: 7:06 /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 mi11:41:3822:067:0722:06
7:07
#6944
10K
6.21 mi12:00:4241:106:3819:04
6:08
#3351
15K
9.32 mi12:24:251:04:536:5823:43
7:38
#6260
20K
12.43 mi12:44:241:24:526:5019:59
6:26
#5119
Half
13.11 mi12:48:391:29:076:484:15
6:14
#4847
25K
15.53 mi13:04:141:44:426:4415:35
6:26
#4137
30K
18.64 mi13:25:262:05:546:4521:12
6:49
#3893
20M
20.00 mi13:35:062:15:346:479:40
7:07
#3958
21M
21.00 mi13:43:322:24:006:518:26
8:26
#4384
35K
21.75 mi13:48:582:29:266:525:26
7:16
#4504
23M
23.00 mi13:59:312:39:596:5710:33
8:26
#4955
24M
24.00 mi14:06:512:47:196:587:20
7:20
#4992
40K
24.85 mi14:14:552:55:237:038:04
9:26
#5388
25.2M
25.20 mi14:18:132:58:417:053:18
9:34
#5507
Finish
26.22 mi14:25:413:06:097:067:28
7:20
#5515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi69446225622511275(Top 42%)8750(Top 58%)8750(Top 166%)
10K6.21 mi3.10 mi3351+35933173+30523173+30521143(Top 4%)1085(Top 7%)1085(Top 21%)
15K9.32 mi3.11 mi6260-29095681-25085681-250811275(Top 42%)8750(Top 58%)8750(Top 166%)
20K12.43 mi3.11 mi5119+11414749+9324749+9321959(Top 7%)1881(Top 12%)1881(Top 36%)
Half13.11 mi0.68 mi4847+2724514+2354514+2351537(Top 6%)1473(Top 10%)1473(Top 28%)
25K15.53 mi2.42 mi4137+7103879+6353879+6351858(Top 7%)1781(Top 12%)1781(Top 34%)
30K18.64 mi3.11 mi3893+2443670+2093670+2093155(Top 12%)2975(Top 20%)2975(Top 56%)
20M20.00 mi1.36 mi3958-653723-533723-534690(Top 18%)4295(Top 28%)4295(Top 81%)
21M21.00 mi1.00 mi4384-4264096-3734096-37310024(Top 38%)7603(Top 50%)7603(Top 144%)
35K21.75 mi0.75 mi4504-1204200-1044200-1046853(Top 26%)5787(Top 38%)5787(Top 109%)
23M23.00 mi1.25 mi4955-4514582-3824582-38212715(Top 48%)8773(Top 58%)8773(Top 166%)
24M24.00 mi1.00 mi4992-374597-154597-156574(Top 25%)5464(Top 36%)5464(Top 103%)
40K24.85 mi0.85 mi5388-3964919-3224919-32218055(Top 68%)11051(Top 73%)11051(Top 209%)
25.2M25.20 mi0.35 mi5507-1195018-995018-9915405(Top 58%)9826(Top 65%)9826(Top 186%)
Finish26.22 mi1.02 mi5515-85012+65012+67267(Top 27%)5722(Top 38%)5722(Top 108%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11275

Males

8750

M18-39

8750

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1143

Males

1085

M18-39

1085

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11275

Males

8750

M18-39

8750

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1959

Males

1881

M18-39

1881

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1537

Males

1473

M18-39

1473

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1858

Males

1781

M18-39

1781

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3155

Males

2975

M18-39

2975

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4690

Males

4295

M18-39

4295

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10024

Males

7603

M18-39

7603

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6853

Males

5787

M18-39

5787

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12715

Males

8773

M18-39

8773

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6574

Males

5464

M18-39

5464

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18055

Males

11051

M18-39

11051

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15405

Males

9826

M18-39

9826

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7267

Males

5722

M18-39

5722

Passing Analysis

Category:
Athletes Passed
6172
Passed By
4743
Net Change
+1429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6944
5K → 10K35930+3593#6944#3351
10K → 15K02909-2909#3351#6260
15K → 20K11410+1141#6260#5119
20K → Half2720+272#5119#4847
Half → 25K7100+710#4847#4137
25K → 30K26117+244#4137#3893
30K → 20M47112-65#3893#3958
20M → 21M15441-426#3958#4384
21M → 35K22142-120#4384#4504
35K → 23M13464-451#4504#4955
23M → 24M3673-37#4955#4992
24M → 40K4400-396#4992#5388
40K → 25.2M7126-119#5388#5507
25.2M → Finish5159-8#5507#5515
TOTALS61724743+1429
📊

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