Boston Marathon logo
BOSTON MARATHON 2023

Carlos Requena

Bib: 12419•M

PR

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:11
Rank: #9311
Start → 5K
23:11 | 7:28/mi
10K· 6.21 mi
45:54
Rank: #9087 (+224)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:08:28
Rank: #8808 (+279)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:31:05
Rank: #8464 (+344)
15K → 20K
22:37 | 7:17/mi
Half· 13.11 mi
1:36:06
Rank: #8492 (-28)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:53:54
Rank: #8328 (+164)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:18:00
Rank: #8379 (-51)
25K → 30K
24:06 | 7:45/mi
20M
2:29:23
Rank: #8710 (-331)
30K → 20M
11:23 | 8:23/mi
21M
2:38:40
Rank: #9067 (-357)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
2:45:38
Rank: #9533 (-466)
21M → 35K
6:58 | 9:19/mi
23M
2:57:58
Rank: #10310 (-777)
35K → 23M
12:20 | 9:51/mi
24M
3:07:50
Rank: #10944 (-634)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
3:18:05
Rank: #12048 (-1104)
24M → 40K
10:15 | 11:59/mi
25.2M
3:21:42
Rank: #12212 (-164)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:30:48
Rank: #12471 (-259)
25.2M → Finish
9:06 | 8:56/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
Time1:36:06
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:54:42
Pace8:45 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4423:117:2823:11
7:28
-
10K
6.21 mi11:13:2745:547:2322:43
7:19
-0:09
15K
9.32 mi11:36:011:08:287:2122:34
7:16
-0:03
20K
12.43 mi11:58:381:31:057:2022:37
7:17
+0:01
Half
13.11 mi12:03:391:36:067:205:01
7:21
+0:04
25K
15.53 mi12:21:271:53:547:2017:48
7:20
-0:01
30K
18.64 mi12:45:332:18:007:2424:06
7:45
+0:25
20M
20.00 mi12:56:562:29:237:2811:23
8:23
+0:38
21M
21.00 mi13:06:132:38:407:339:17
9:17
+0:54
35K
21.75 mi13:13:112:45:387:376:58
9:19
+0:02
23M
23.00 mi13:25:312:57:587:4412:20
9:51
+0:32
24M
24.00 mi13:35:233:07:507:509:52
9:52
+0:01
40K
24.85 mi13:45:383:18:057:5810:15
11:59
+2:07
25.2M
25.20 mi13:49:153:21:428:003:37
10:29
-1:30
Finish
26.22 mi13:58:213:30:488:039:06
8:56
-1:33

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

7:16 /mi

Average Pace

8:03 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:54

54% of race

Time at Steady Pace

44:35

21% of race

Time at Slower Pace

52:19

25% of race

Average Pace: 8:02 /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 mi10:50:4423:117:2823:11
7:28
#9311
10K
6.21 mi11:13:2745:547:2322:43
7:19
#9087
15K
9.32 mi11:36:011:08:287:2122:34
7:16
#8808
20K
12.43 mi11:58:381:31:057:2022:37
7:17
#8464
Half
13.11 mi12:03:391:36:067:205:01
7:21
#8492
25K
15.53 mi12:21:271:53:547:2017:48
7:20
#8328
30K
18.64 mi12:45:332:18:007:2424:06
7:45
#8379
20M
20.00 mi12:56:562:29:237:2811:23
8:23
#8710
21M
21.00 mi13:06:132:38:407:339:17
9:17
#9067
35K
21.75 mi13:13:112:45:387:376:58
9:19
#9533
23M
23.00 mi13:25:312:57:587:4412:20
9:51
#10310
24M
24.00 mi13:35:233:07:507:509:52
9:52
#10944
40K
24.85 mi13:45:383:18:057:5810:15
11:59
#12048
25.2M
25.20 mi13:49:153:21:428:003:37
10:29
#12212
Finish
26.22 mi13:58:213:30:488:039:06
8:56
#12471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9311776377638271(Top 31%)7093(Top 47%)7093(Top 315%)
10K6.21 mi3.10 mi9087+2247627+1367627+1368928(Top 34%)7538(Top 50%)7538(Top 335%)
15K9.32 mi3.11 mi8808+2797445+1827445+1828271(Top 31%)7093(Top 47%)7093(Top 315%)
20K12.43 mi3.11 mi8464+3447234+2117234+2117632(Top 29%)6651(Top 44%)6651(Top 295%)
Half13.11 mi0.68 mi8492-287251-177251-179042(Top 34%)7558(Top 50%)7558(Top 336%)
25K15.53 mi2.42 mi8328+1647123+1287123+1287563(Top 28%)6525(Top 43%)6525(Top 290%)
30K18.64 mi3.11 mi8379-517115+87115+89035(Top 34%)7304(Top 48%)7304(Top 324%)
20M20.00 mi1.36 mi8710-3317305-1907305-19012850(Top 48%)9056(Top 60%)9056(Top 402%)
21M21.00 mi1.00 mi9067-3577499-1947499-19414873(Top 56%)9877(Top 65%)9877(Top 439%)
35K21.75 mi0.75 mi9533-4667763-2647763-26419169(Top 72%)11652(Top 77%)11652(Top 517%)
23M23.00 mi1.25 mi10310-7778145-3828145-38219557(Top 73%)11816(Top 78%)11816(Top 525%)
24M24.00 mi1.00 mi10944-6348434-2898434-28920408(Top 77%)12173(Top 80%)12173(Top 541%)
40K24.85 mi0.85 mi12048-11048903-4698903-46923872(Top 90%)13730(Top 90%)13730(Top 610%)
25.2M25.20 mi0.35 mi12212-1648975-728975-7218995(Top 71%)11451(Top 75%)11451(Top 508%)
Finish26.22 mi1.02 mi12471-2599064-899064-8917587(Top 66%)10858(Top 72%)10858(Top 482%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8271

Males

7093

M45-49

7093

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8928

Males

7538

M45-49

7538

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8271

Males

7093

M45-49

7093

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7632

Males

6651

M45-49

6651

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9042

Males

7558

M45-49

7558

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7563

Males

6525

M45-49

6525

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9035

Males

7304

M45-49

7304

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12850

Males

9056

M45-49

9056

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14873

Males

9877

M45-49

9877

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19169

Males

11652

M45-49

11652

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19557

Males

11816

M45-49

11816

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20408

Males

12173

M45-49

12173

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23872

Males

13730

M45-49

13730

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18995

Males

11451

M45-49

11451

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

17587

Males

10858

M45-49

10858

Passing Analysis

Category:
Athletes Passed
1487
Passed By
4645
Net Change
-3160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9311
5K → 10K398174+224#9311#9087
10K → 15K31233+279#9087#8808
15K → 20K35915+344#8808#8464
20K → Half1240-28#8464#8492
Half → 25K18925+164#8492#8328
25K → 30K129180-51#8328#8379
30K → 20M25356-331#8379#8710
20M → 21M15372-357#8710#9067
21M → 35K6472-466#9067#9533
35K → 23M9784-777#9533#10310
23M → 24M8642-634#10310#10944
24M → 40K21106-1104#10944#12048
40K → 25.2M4168-164#12048#12212
25.2M → Finish19278-259#12212#12471
TOTALS14874645-3160
📊

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