Boston Marathon logo
BOSTON MARATHON 2023

Julio Vera

Bib: 4478•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #1577
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
38:45
Rank: #1330 (+247)
5K → 10K
19:04 | 6:08/mi
15K· 9.32 mi
58:08
Rank: #1316 (+14)
10K → 15K
19:23 | 6:14/mi
20K· 12.43 mi
1:17:44
Rank: #1328 (-12)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:22:00
Rank: #1332 (-4)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:37:47
Rank: #1457 (-125)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
1:59:01
Rank: #1673 (-216)
25K → 30K
21:14 | 6:50/mi
20M
2:08:29
Rank: #1765 (-92)
30K → 20M
9:28 | 6:58/mi
21M
2:16:14
Rank: #1952 (-187)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:21:26
Rank: #2034 (-82)
21M → 35K
5:12 | 6:57/mi
23M
2:30:29
Rank: #2151 (-117)
35K → 23M
9:03 | 7:14/mi
24M
2:37:40
Rank: #2261 (-110)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:44:07
Rank: #2353 (-92)
24M → 40K
6:27 | 7:33/mi
25.2M
2:47:01
Rank: #2408 (-55)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
2:54:33
Rank: #2592 (-184)
25.2M → Finish
7:32 | 7:24/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
Time1:22:00
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:32:33
Pace7:04 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2819:416:2019:41
6:20
-
10K
6.21 mi10:40:3238:456:1419:04
6:08
-0:12
15K
9.32 mi10:59:5558:086:1419:23
6:14
+0:06
20K
12.43 mi11:19:311:17:446:1519:36
6:19
+0:05
Half
13.11 mi11:23:471:22:006:154:16
6:15
-0:04
25K
15.53 mi11:39:341:37:476:1815:47
6:31
+0:16
30K
18.64 mi12:00:481:59:016:2321:14
6:50
+0:19
20M
20.00 mi12:10:162:08:296:259:28
6:58
+0:08
21M
21.00 mi12:18:012:16:146:297:45
7:45
+0:47
35K
21.75 mi12:23:132:21:266:305:12
6:57
-0:48
23M
23.00 mi12:32:162:30:296:339:03
7:14
+0:17
24M
24.00 mi12:39:272:37:406:347:11
7:11
-0:03
40K
24.85 mi12:45:542:44:076:366:27
7:33
+0:22
25.2M
25.20 mi12:48:482:47:016:382:54
8:25
+0:52
Finish
26.22 mi12:56:202:54:336:407:32
7:24
-1:01

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

6:40 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:47

56% of race

Time at Steady Pace

52:08

30% of race

Time at Slower Pace

24:38

14% of race

Average Pace: 6:39 /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 mi10:21:2819:416:2019:41
6:20
#1577
10K
6.21 mi10:40:3238:456:1419:04
6:08
#1330
15K
9.32 mi10:59:5558:086:1419:23
6:14
#1316
20K
12.43 mi11:19:311:17:446:1519:36
6:19
#1328
Half
13.11 mi11:23:471:22:006:154:16
6:15
#1332
25K
15.53 mi11:39:341:37:476:1815:47
6:31
#1457
30K
18.64 mi12:00:481:59:016:2321:14
6:50
#1673
20M
20.00 mi12:10:162:08:296:259:28
6:58
#1765
21M
21.00 mi12:18:012:16:146:297:45
7:45
#1952
35K
21.75 mi12:23:132:21:266:305:12
6:57
#2034
23M
23.00 mi12:32:162:30:296:339:03
7:14
#2151
24M
24.00 mi12:39:272:37:406:347:11
7:11
#2261
40K
24.85 mi12:45:542:44:076:366:27
7:33
#2353
25.2M
25.20 mi12:48:482:47:016:382:54
8:25
#2408
Finish
26.22 mi12:56:202:54:336:407:32
7:24
#2592
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1577150215021389(Top 5%)1323(Top 9%)1323(Top 25%)
10K6.21 mi3.10 mi1330+2471264+2381264+2381142(Top 4%)1084(Top 7%)1084(Top 21%)
15K9.32 mi3.11 mi1316+141252+121252+121389(Top 5%)1323(Top 9%)1323(Top 25%)
20K12.43 mi3.11 mi1328-121264-121264-121426(Top 5%)1363(Top 9%)1363(Top 26%)
Half13.11 mi0.68 mi1332-41270-61270-61630(Top 6%)1565(Top 10%)1565(Top 30%)
25K15.53 mi2.42 mi1457-1251391-1211391-1212215(Top 8%)2125(Top 14%)2125(Top 40%)
30K18.64 mi3.11 mi1673-2161598-2071598-2073202(Top 12%)3017(Top 20%)3017(Top 57%)
20M20.00 mi1.36 mi1765-921688-901688-903780(Top 14%)3516(Top 23%)3516(Top 67%)
21M21.00 mi1.00 mi1952-1871868-1801868-1805853(Top 22%)5080(Top 33%)5080(Top 96%)
35K21.75 mi0.75 mi2034-821950-821950-825012(Top 19%)4487(Top 30%)4487(Top 85%)
23M23.00 mi1.25 mi2151-1172062-1122062-1124913(Top 18%)4396(Top 29%)4396(Top 83%)
24M24.00 mi1.00 mi2261-1102166-1042166-1045608(Top 21%)4840(Top 32%)4840(Top 92%)
40K24.85 mi0.85 mi2353-922250-842250-846915(Top 26%)5568(Top 37%)5568(Top 105%)
25.2M25.20 mi0.35 mi2408-552302-522302-528823(Top 33%)6596(Top 43%)6596(Top 125%)
Finish26.22 mi1.02 mi2592-1842471-1692471-1697680(Top 29%)5966(Top 39%)5966(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1389

Males

1323

M18-39

1323

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1142

Males

1084

M18-39

1084

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1389

Males

1323

M18-39

1323

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1426

Males

1363

M18-39

1363

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1630

Males

1565

M18-39

1565

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2215

Males

2125

M18-39

2125

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3202

Males

3017

M18-39

3017

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3780

Males

3516

M18-39

3516

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5853

Males

5080

M18-39

5080

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5012

Males

4487

M18-39

4487

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4913

Males

4396

M18-39

4396

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5608

Males

4840

M18-39

4840

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6915

Males

5568

M18-39

5568

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8823

Males

6596

M18-39

6596

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7680

Males

5966

M18-39

5966

Passing Analysis

Category:
Athletes Passed
428
Passed By
1443
Net Change
-1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1577
5K → 10K2558+247#1577#1330
10K → 15K5339+14#1330#1316
15K → 20K4052-12#1316#1328
20K → Half48-4#1328#1332
Half → 25K11136-125#1332#1457
25K → 30K14230-216#1457#1673
30K → 20M799-92#1673#1765
20M → 21M4191-187#1765#1952
21M → 35K486-82#1952#2034
35K → 23M18135-117#2034#2151
23M → 24M4114-110#2151#2261
24M → 40K9101-92#2261#2353
40K → 25.2M156-55#2353#2408
25.2M → Finish4188-184#2408#2592
TOTALS4281443-1015
📊

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