Boston Marathon logo
BOSTON MARATHON 2023

Aj Moscone

Bib: 30139•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:57/mi
30:56
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
1:00:15
↑ 79↓ 1380.4%
15K· 9.32 mi
9:32/mi
1:29:52
↑ 67↓ 78
20K· 12.43 mi
9:54/mi
2:00:38
↑ 106↓ 860.1%
Half· 13.11 mi
9:39/mi
2:07:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:04/mi
2:31:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:57/mi
3:05:39
↑ 181↓ 1480.2%
20M
11:22/mi
3:21:06
↑ 64↓ 500.2%
21M
14:04/mi
3:35:10
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:43:13
↑ 17↓ 861.7%
23M
12:36/mi
3:58:59
↑ 23↓ 630.6%
24M
11:04/mi
4:10:03
↓ 821.3%
40K· 24.85 mi
11:02/mi
4:19:29
↓ 200.3%
25.2M
11:01/mi
4:23:17
↑ 13↓ 160.2%
Finish· 26.22 mi
9:40/mi
4:33:08
↑ 22↓ 21

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
Time2:07:13
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:25:55
Pace11:08 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1330:569:5730:56
9:57
-
10K
6.21 mi12:19:321:00:159:4229:19
9:26
-0:31
15K
9.32 mi12:49:091:29:529:3929:37
9:32
+0:06
20K
12.43 mi13:19:552:00:389:4230:46
9:54
+0:22
Half
13.11 mi13:26:302:07:139:426:35
9:39
-0:15
25K
15.53 mi13:50:552:31:389:4624:25
10:04
+0:25
30K
18.64 mi14:24:563:05:399:5834:01
10:57
+0:53
20M
20.00 mi14:40:233:21:0610:0315:27
11:22
+0:25
21M
21.00 mi14:54:273:35:1010:1514:04
14:04
+2:42
35K
21.75 mi15:02:303:43:1310:168:03
10:46
-3:18
23M
23.00 mi15:18:163:58:5910:2315:46
12:36
+1:50
24M
24.00 mi15:29:204:10:0310:2511:04
11:04
-1:32
40K
24.85 mi15:38:464:19:2910:269:26
11:02
-0:02
25.2M
25.20 mi15:42:344:23:1710:273:48
11:01
-0:01
Finish
26.22 mi15:52:254:33:0810:259:51
9:40
-1:21

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

9:26 /mi

Average Pace

10:25 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:29

59% of race

Time at Steady Pace

1:21:49

30% of race

Time at Slower Pace

29:50

11% of race

Average Pace: 10:25 /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 mi11:50:1330:569:5730:56
9:57
#23342
10K
6.21 mi12:19:321:00:159:4229:19
9:26
#22894
15K
9.32 mi12:49:091:29:529:3929:37
9:32
#22701
20K
12.43 mi13:19:552:00:389:4230:46
9:54
#22687
Half
13.11 mi13:26:302:07:139:426:35
9:39
#22691
25K
15.53 mi13:50:552:31:389:4624:25
10:04
#22616
30K
18.64 mi14:24:563:05:399:5834:01
10:57
#22720
20M
20.00 mi14:40:233:21:0610:0315:27
11:22
#22749
21M
21.00 mi14:54:273:35:1010:1514:04
14:04
#22980
35K
21.75 mi15:02:303:43:1310:168:03
10:46
#22974
23M
23.00 mi15:18:163:58:5910:2315:46
12:36
#23116
24M
24.00 mi15:29:204:10:0310:2511:04
11:04
#23123
40K
24.85 mi15:38:464:19:2910:269:26
11:02
#23076
25.2M
25.20 mi15:42:344:23:1710:273:48
11:01
#23042
Finish
26.22 mi15:52:254:33:0810:259:51
9:40
#22969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23342137501375022346(Top 84%)13346(Top 88%)13346(Top 253%)
10K6.21 mi3.10 mi22894+44813571+17913571+17922320(Top 84%)13308(Top 88%)13308(Top 252%)
15K9.32 mi3.11 mi22701+19313492+7913492+7922346(Top 84%)13346(Top 88%)13346(Top 253%)
20K12.43 mi3.11 mi22687+1413479+1313479+1322648(Top 85%)13466(Top 89%)13466(Top 255%)
Half13.11 mi0.68 mi22691-4134791347922511(Top 85%)13409(Top 88%)13409(Top 254%)
25K15.53 mi2.42 mi22616+7513437+4213437+4222375(Top 84%)13308(Top 88%)13308(Top 252%)
30K18.64 mi3.11 mi22720-10413458-2113458-2123005(Top 86%)13518(Top 89%)13518(Top 256%)
20M20.00 mi1.36 mi22749-2913464-613464-623301(Top 88%)13598(Top 90%)13598(Top 257%)
21M21.00 mi1.00 mi22980-23113563-9913563-9925083(Top 94%)14406(Top 95%)14406(Top 273%)
35K21.75 mi0.75 mi22974+613553+1013553+1022844(Top 86%)13313(Top 88%)13313(Top 252%)
23M23.00 mi1.25 mi23116-14213611-5813611-5824672(Top 93%)14176(Top 93%)14176(Top 268%)
24M24.00 mi1.00 mi23123-7136111361123161(Top 87%)13419(Top 88%)13419(Top 254%)
40K24.85 mi0.85 mi23076+4713572+3913572+3922424(Top 84%)13046(Top 86%)13046(Top 247%)
25.2M25.20 mi0.35 mi23042+3413557+1513557+1520503(Top 77%)12170(Top 80%)12170(Top 230%)
Finish26.22 mi1.02 mi22969+7313516+4113516+4120679(Top 78%)12265(Top 81%)12265(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22346

Males

13346

M18-39

13346

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22320

Males

13308

M18-39

13308

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22346

Males

13346

M18-39

13346

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22648

Males

13466

M18-39

13466

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22511

Males

13409

M18-39

13409

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22375

Males

13308

M18-39

13308

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

23005

Males

13518

M18-39

13518

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

23301

Males

13598

M18-39

13598

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25083

Males

14406

M18-39

14406

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22844

Males

13313

M18-39

13313

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24672

Males

14176

M18-39

14176

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23161

Males

13419

M18-39

13419

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22424

Males

13046

M18-39

13046

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20503

Males

12170

M18-39

12170

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20679

Males

12265

M18-39

12265

Passing Analysis

Category:
Athletes Passed
1476
Passed By
1103
Net Change
+373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23342
5K → 10K51870+448#23342#22894
10K → 15K25966+193#22894#22701
15K → 20K140126+14#22701#22687
20K → Half1620-4#22687#22691
Half → 25K12853+75#22691#22616
25K → 30K82186-104#22616#22720
30K → 20M5281-29#22720#22749
20M → 21M8239-231#22749#22980
21M → 35K3327+6#22980#22974
35K → 23M23165-142#22974#23116
23M → 24M3340-7#23116#23123
24M → 40K6417+47#23123#23076
40K → 25.2M373+34#23076#23042
25.2M → Finish8310+73#23042#22969
TOTALS14761103+373
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing