Boston Marathon logo
BOSTON MARATHON 2023

Josh Young

Bib: 2203•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:33
Rank: #1413
Start → 5K
19:33 | 6:18/mi
10K· 6.21 mi
39:09
Rank: #1573 (-160)
5K → 10K
19:36 | 6:19/mi
15K· 9.32 mi
58:54
Rank: #1669 (-96)
10K → 15K
19:45 | 6:21/mi
20K· 12.43 mi
1:19:09
Rank: #1804 (-135)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:23:32
Rank: #1826 (-22)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:39:30
Rank: #1914 (-88)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:00:17
Rank: #1980 (-66)
25K → 30K
20:47 | 6:41/mi
20M
2:11:32
Rank: #2519 (-539)
30K → 20M
11:15 | 8:17/mi
21M
2:18:54
Rank: #2558 (-39)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:23:59
Rank: #2574 (-16)
21M → 35K
5:05 | 6:48/mi
23M
2:32:53
Rank: #2632 (-58)
35K → 23M
8:54 | 7:06/mi
24M
2:39:55
Rank: #2722 (-90)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:46:11
Rank: #2823 (-101)
24M → 40K
6:16 | 7:20/mi
25.2M
2:49:04
Rank: #2910 (-87)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
2:56:44
Rank: #3124 (-214)
25.2M → Finish
7:40 | 7:31/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
Time1:23:32
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:33:12
Pace7:07 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:336:1819:33
6:18
-
10K
6.21 mi10:39:4239:096:1819:36
6:19
+0:01
15K
9.32 mi10:59:2758:546:1919:45
6:21
+0:02
20K
12.43 mi11:19:421:19:096:2220:15
6:31
+0:10
Half
13.11 mi11:24:051:23:326:224:23
6:25
-0:06
25K
15.53 mi11:40:031:39:306:2415:58
6:35
+0:10
30K
18.64 mi12:00:502:00:176:2720:47
6:41
+0:06
20M
20.00 mi12:12:052:11:326:3511:15
8:17
+1:36
21M
21.00 mi12:19:272:18:546:377:22
7:22
-0:55
35K
21.75 mi12:24:322:23:596:375:05
6:48
-0:34
23M
23.00 mi12:33:262:32:536:398:54
7:06
+0:18
24M
24.00 mi12:40:282:39:556:407:02
7:02
-0:04
40K
24.85 mi12:46:442:46:116:416:16
7:20
+0:18
25.2M
25.20 mi12:49:372:49:046:432:53
8:22
+1:02
Finish
26.22 mi12:57:172:56:446:457:40
7:31
-0:51

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

6:18 /mi

Average Pace

6:45 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:17

36% of race

Time at Steady Pace

1:18:01

44% of race

Time at Slower Pace

35:26

20% of race

Average Pace: 6:44 /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 mi10:20:0619:336:1819:33
6:18
#1413
10K
6.21 mi10:39:4239:096:1819:36
6:19
#1573
15K
9.32 mi10:59:2758:546:1919:45
6:21
#1669
20K
12.43 mi11:19:421:19:096:2220:15
6:31
#1804
Half
13.11 mi11:24:051:23:326:224:23
6:25
#1826
25K
15.53 mi11:40:031:39:306:2415:58
6:35
#1914
30K
18.64 mi12:00:502:00:176:2720:47
6:41
#1980
20M
20.00 mi12:12:052:11:326:3511:15
8:17
#2519
21M
21.00 mi12:19:272:18:546:377:22
7:22
#2558
35K
21.75 mi12:24:322:23:596:375:05
6:48
#2574
23M
23.00 mi12:33:262:32:536:398:54
7:06
#2632
24M
24.00 mi12:40:282:39:556:407:02
7:02
#2722
40K
24.85 mi12:46:442:46:116:416:16
7:20
#2823
25.2M
25.20 mi12:49:372:49:046:432:53
8:22
#2910
Finish
26.22 mi12:57:172:56:446:457:40
7:31
#3124
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1413134313431910(Top 7%)1830(Top 12%)1830(Top 35%)
10K6.21 mi3.10 mi1573-1601501-1581501-1581813(Top 7%)1734(Top 11%)1734(Top 33%)
15K9.32 mi3.11 mi1669-961596-951596-951910(Top 7%)1830(Top 12%)1830(Top 35%)
20K12.43 mi3.11 mi1804-1351727-1311727-1312389(Top 9%)2289(Top 15%)2289(Top 43%)
Half13.11 mi0.68 mi1826-221747-201747-202384(Top 9%)2289(Top 15%)2289(Top 43%)
25K15.53 mi2.42 mi1914-881832-851832-852630(Top 10%)2518(Top 17%)2518(Top 48%)
30K18.64 mi3.11 mi1980-661897-651897-652354(Top 9%)2243(Top 15%)2243(Top 42%)
20M20.00 mi1.36 mi2519-5392410-5132410-51312185(Top 46%)8777(Top 58%)8777(Top 166%)
21M21.00 mi1.00 mi2558-392447-372447-373940(Top 15%)3632(Top 24%)3632(Top 69%)
35K21.75 mi0.75 mi2574-162461-142461-144111(Top 15%)3761(Top 25%)3761(Top 71%)
23M23.00 mi1.25 mi2632-582517-562517-564315(Top 16%)3934(Top 26%)3934(Top 74%)
24M24.00 mi1.00 mi2722-902595-782595-784813(Top 18%)4282(Top 28%)4282(Top 81%)
40K24.85 mi0.85 mi2823-1012684-892684-895580(Top 21%)4727(Top 31%)4727(Top 89%)
25.2M25.20 mi0.35 mi2910-872762-782762-788548(Top 32%)6449(Top 42%)6449(Top 122%)
Finish26.22 mi1.02 mi3124-2142957-1952957-1958668(Top 33%)6546(Top 43%)6546(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1910

Males

1830

M18-39

1830

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1813

Males

1734

M18-39

1734

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1910

Males

1830

M18-39

1830

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2389

Males

2289

M18-39

2289

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2384

Males

2289

M18-39

2289

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2630

Males

2518

M18-39

2518

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2354

Males

2243

M18-39

2243

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12185

Males

8777

M18-39

8777

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3940

Males

3632

M18-39

3632

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4111

Males

3761

M18-39

3761

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4315

Males

3934

M18-39

3934

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4813

Males

4282

M18-39

4282

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5580

Males

4727

M18-39

4727

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8548

Males

6449

M18-39

6449

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8668

Males

6546

M18-39

6546

Passing Analysis

Category:
Athletes Passed
233
Passed By
1944
Net Change
-1711
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1413
5K → 10K20180-160#1413#1573
10K → 15K26122-96#1573#1669
15K → 20K19154-135#1669#1804
20K → Half325-22#1804#1826
Half → 25K15103-88#1826#1914
25K → 30K38104-66#1914#1980
30K → 20M2541-539#1980#2519
20M → 21M2362-39#2519#2558
21M → 35K1430-16#2558#2574
35K → 23M2684-58#2574#2632
23M → 24M23113-90#2632#2722
24M → 40K15116-101#2722#2823
40K → 25.2M390-87#2823#2910
25.2M → Finish6220-214#2910#3124
TOTALS2331944-1711
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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