Boston Marathon logo
BOSTON MARATHON 2023

Steven Carpio

Bib: 3838•M

AZ

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
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
21:11
Rank: #4848
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
41:54
Rank: #4406 (+442)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:51
Rank: #4441 (-35)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:24:04
Rank: #4494 (-53)
15K → 20K
21:13 | 6:50/mi
Half· 13.11 mi
1:28:36
Rank: #4448 (+46)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:45:06
Rank: #4373 (+75)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:07:06
Rank: #4466 (-93)
25K → 30K
22:00 | 7:05/mi
20M
2:16:44
Rank: #4481 (-15)
30K → 20M
9:38 | 7:05/mi
21M
2:24:11
Rank: #4455 (+26)
20M → 21M
7:27 | 7:27/mi
35K· 21.75 mi
2:29:15
Rank: #4419 (+36)
21M → 35K
5:04 | 6:46/mi
23M
2:38:04
Rank: #4372 (+47)
35K → 23M
8:49 | 7:03/mi
24M
2:44:59
Rank: #4370 (+2)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:51:00
Rank: #4350 (+20)
24M → 40K
6:01 | 7:02/mi
25.2M
2:53:36
Rank: #4334 (+16)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:00:34
Rank: #4321 (+13)
25.2M → Finish
6:58 | 6:50/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
Time1:28:36
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:31:58
Pace7:01 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2221:116:4921:11
6:49
-
10K
6.21 mi10:43:0541:546:4520:43
6:40
-0:09
15K
9.32 mi11:04:021:02:516:4520:57
6:45
+0:05
20K
12.43 mi11:25:151:24:046:4621:13
6:50
+0:05
Half
13.11 mi11:29:471:28:366:464:32
6:39
-0:11
25K
15.53 mi11:46:171:45:066:4616:30
6:48
+0:09
30K
18.64 mi12:08:172:07:066:4922:00
7:05
+0:17
20M
20.00 mi12:17:552:16:446:509:38
7:05
0:00
21M
21.00 mi12:25:222:24:116:527:27
7:27
+0:22
35K
21.75 mi12:30:262:29:156:525:04
6:46
-0:41
23M
23.00 mi12:39:152:38:046:528:49
7:03
+0:17
24M
24.00 mi12:46:102:44:596:526:55
6:55
-0:08
40K
24.85 mi12:52:112:51:006:536:01
7:02
+0:07
25.2M
25.20 mi12:54:472:53:366:532:36
7:32
+0:30
Finish
26.22 mi13:01:453:00:346:546:58
6:50
-0:42

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

6:39 /mi

Average Pace

6:54 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:31

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:22:2221:116:4921:11
6:49
#4848
10K
6.21 mi10:43:0541:546:4520:43
6:40
#4406
15K
9.32 mi11:04:021:02:516:4520:57
6:45
#4441
20K
12.43 mi11:25:151:24:046:4621:13
6:50
#4494
Half
13.11 mi11:29:471:28:366:464:32
6:39
#4448
25K
15.53 mi11:46:171:45:066:4616:30
6:48
#4373
30K
18.64 mi12:08:172:07:066:4922:00
7:05
#4466
20M
20.00 mi12:17:552:16:446:509:38
7:05
#4481
21M
21.00 mi12:25:222:24:116:527:27
7:27
#4455
35K
21.75 mi12:30:262:29:156:525:04
6:46
#4419
23M
23.00 mi12:39:152:38:046:528:49
7:03
#4372
24M
24.00 mi12:46:102:44:596:526:55
6:55
#4370
40K
24.85 mi12:52:112:51:006:536:01
7:02
#4350
25.2M
25.20 mi12:54:472:53:366:532:36
7:32
#4334
Finish
26.22 mi13:01:453:00:346:546:58
6:50
#4321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4848450745074539(Top 17%)4238(Top 28%)4238(Top 80%)
10K6.21 mi3.10 mi4406+4424125+3824125+3824038(Top 15%)3797(Top 25%)3797(Top 72%)
15K9.32 mi3.11 mi4441-354154-294154-294539(Top 17%)4238(Top 28%)4238(Top 80%)
20K12.43 mi3.11 mi4494-534199-454199-454701(Top 18%)4373(Top 29%)4373(Top 83%)
Half13.11 mi0.68 mi4448+464162+374162+373842(Top 14%)3626(Top 24%)3626(Top 69%)
25K15.53 mi2.42 mi4373+754091+714091+714202(Top 16%)3933(Top 26%)3933(Top 74%)
30K18.64 mi3.11 mi4466-934173-824173-824811(Top 18%)4433(Top 29%)4433(Top 84%)
20M20.00 mi1.36 mi4481-154180-74180-74538(Top 17%)4163(Top 27%)4163(Top 79%)
21M21.00 mi1.00 mi4455+264157+234157+234341(Top 16%)3967(Top 26%)3967(Top 75%)
35K21.75 mi0.75 mi4419+364121+364121+364020(Top 15%)3695(Top 24%)3695(Top 70%)
23M23.00 mi1.25 mi4372+474085+364085+363992(Top 15%)3673(Top 24%)3673(Top 69%)
24M24.00 mi1.00 mi4370+2408540854257(Top 16%)3869(Top 25%)3869(Top 73%)
40K24.85 mi0.85 mi4350+204063+224063+224023(Top 15%)3605(Top 24%)3605(Top 68%)
25.2M25.20 mi0.35 mi4334+164044+194044+194053(Top 15%)3595(Top 24%)3595(Top 68%)
Finish26.22 mi1.02 mi4321+134031+134031+134274(Top 16%)3750(Top 25%)3750(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4539

Males

4238

M18-39

4238

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4038

Males

3797

M18-39

3797

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4539

Males

4238

M18-39

4238

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4701

Males

4373

M18-39

4373

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3842

Males

3626

M18-39

3626

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4202

Males

3933

M18-39

3933

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4811

Males

4433

M18-39

4433

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4538

Males

4163

M18-39

4163

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4341

Males

3967

M18-39

3967

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4020

Males

3695

M18-39

3695

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3992

Males

3673

M18-39

3673

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4257

Males

3869

M18-39

3869

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4023

Males

3605

M18-39

3605

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4053

Males

3595

M18-39

3595

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4274

Males

3750

M18-39

3750

Passing Analysis

Category:
Athletes Passed
1421
Passed By
894
Net Change
+527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4848
5K → 10K49351+442#4848#4406
10K → 15K109144-35#4406#4441
15K → 20K86139-53#4441#4494
20K → Half559+46#4494#4448
Half → 25K11944+75#4448#4373
25K → 30K87180-93#4373#4466
30K → 20M5671-15#4466#4481
20M → 21M7044+26#4481#4455
21M → 35K6024+36#4455#4419
35K → 23M9750+47#4419#4372
23M → 24M5654+2#4372#4370
24M → 40K4727+20#4370#4350
40K → 25.2M3115+16#4350#4334
25.2M → Finish5542+13#4334#4321
TOTALS1421894+527
📊

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