Boston Marathon logo
BOSTON MARATHON 2023

Carlos Checo

Bib: 32025•M

NY

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:06
Rank: #23467
Start → 5K
31:06 | 10:01/mi
10K· 6.21 mi
1:03:23
Rank: #24052 (-585)
5K → 10K
32:17 | 10:23/mi
15K· 9.32 mi
1:33:47
Rank: #23730 (+322)
10K → 15K
30:24 | 9:47/mi
20K· 12.43 mi
2:03:46
Rank: #23339 (+391)
15K → 20K
29:59 | 9:39/mi
Half· 13.11 mi
2:10:19
Rank: #23288 (+51)
20K → Half
6:33 | 9:36/mi
25K· 15.53 mi
2:35:29
Rank: #23222 (+66)
Half → 25K
25:10 | 10:23/mi
30K· 18.64 mi
3:08:14
Rank: #23042 (+180)
25K → 30K
32:45 | 10:32/mi
20M
3:24:21
Rank: #23121 (-79)
30K → 20M
16:07 | 11:52/mi
21M
3:35:56
Rank: #23058 (+63)
20M → 21M
11:35 | 11:35/mi
35K· 21.75 mi
3:43:30
Rank: #23006 (+52)
21M → 35K
7:34 | 10:07/mi
23M
3:56:59
Rank: #22923 (+83)
35K → 23M
13:29 | 10:46/mi
24M
4:07:27
Rank: #22865 (+58)
23M → 24M
10:28 | 10:28/mi
40K· 24.85 mi
4:16:26
Rank: #22821 (+44)
24M → 40K
8:59 | 10:30/mi
25.2M
4:20:18
Rank: #22794 (+27)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:29:29
Rank: #22694 (+100)
25.2M → Finish
9:11 | 9:01/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
Time2:10:19
Pace9:56 /mi
2nd Half
Distance13.11 mi
Time2:19:10
Pace10:37 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3831:0610:0131:06
10:01
-
10K
6.21 mi12:23:551:03:2310:1232:17
10:23
+0:22
15K
9.32 mi12:54:191:33:4710:0430:24
9:47
-0:36
20K
12.43 mi13:24:182:03:469:5829:59
9:39
-0:08
Half
13.11 mi13:30:512:10:199:566:33
9:36
-0:03
25K
15.53 mi13:56:012:35:2910:0125:10
10:23
+0:47
30K
18.64 mi14:28:463:08:1410:0632:45
10:32
+0:09
20M
20.00 mi14:44:533:24:2110:1316:07
11:52
+1:20
21M
21.00 mi14:56:283:35:5610:1711:35
11:35
-0:17
35K
21.75 mi15:04:023:43:3010:177:34
10:07
-1:28
23M
23.00 mi15:17:313:56:5910:1813:29
10:46
+0:39
24M
24.00 mi15:27:594:07:2710:1910:28
10:28
-0:18
40K
24.85 mi15:36:584:16:2610:198:59
10:30
+0:02
25.2M
25.20 mi15:40:504:20:1810:203:52
11:13
+0:43
Finish
26.22 mi15:50:014:29:2910:179:11
9:01
-2:12

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

9:01 /mi

Average Pace

10:17 /mi

Slowest Pace

11:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:07

28% of race

Time at Steady Pace

2:28:19

55% of race

Time at Slower Pace

45:03

17% of race

Average Pace: 10:17 /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 mi11:51:3831:0610:0131:06
10:01
#23467
10K
6.21 mi12:23:551:03:2310:1232:17
10:23
#24052
15K
9.32 mi12:54:191:33:4710:0430:24
9:47
#23730
20K
12.43 mi13:24:182:03:469:5829:59
9:39
#23339
Half
13.11 mi13:30:512:10:199:566:33
9:36
#23288
25K
15.53 mi13:56:012:35:2910:0125:10
10:23
#23222
30K
18.64 mi14:28:463:08:1410:0632:45
10:32
#23042
20M
20.00 mi14:44:533:24:2110:1316:07
11:52
#23121
21M
21.00 mi14:56:283:35:5610:1711:35
11:35
#23058
35K
21.75 mi15:04:023:43:3010:177:34
10:07
#23006
23M
23.00 mi15:17:313:56:5910:1813:29
10:46
#22923
24M
24.00 mi15:27:594:07:2710:1910:28
10:28
#22865
40K
24.85 mi15:36:584:16:2610:198:59
10:30
#22821
25.2M
25.20 mi15:40:504:20:1810:203:52
11:13
#22794
Finish
26.22 mi15:50:014:29:2910:179:11
9:01
#22694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi23467138121381223010(Top 86%)13639(Top 90%)13639(Top 609%)
10K6.21 mi3.10 mi24052-58514105-29314105-29324473(Top 92%)14298(Top 94%)14298(Top 638%)
15K9.32 mi3.11 mi23730+32213966+13913966+13923010(Top 86%)13639(Top 90%)13639(Top 609%)
20K12.43 mi3.11 mi23339+39113790+17613790+17622003(Top 83%)13183(Top 87%)13183(Top 588%)
Half13.11 mi0.68 mi23288+5113762+2813762+2822371(Top 84%)13358(Top 88%)13358(Top 596%)
25K15.53 mi2.42 mi23222+6613732+3013732+3022964(Top 86%)13575(Top 89%)13575(Top 606%)
30K18.64 mi3.11 mi23042+18013614+11813614+11822290(Top 84%)13200(Top 87%)13200(Top 589%)
20M20.00 mi1.36 mi23121-7913638-2413638-2424015(Top 90%)13901(Top 92%)13901(Top 620%)
21M21.00 mi1.00 mi23058+6313603+3513603+3522014(Top 83%)12997(Top 86%)12997(Top 580%)
35K21.75 mi0.75 mi23006+5213570+3313570+3321584(Top 81%)12751(Top 84%)12751(Top 569%)
23M23.00 mi1.25 mi22923+8313517+5313517+5321906(Top 82%)12864(Top 85%)12864(Top 574%)
24M24.00 mi1.00 mi22865+5813476+4113476+4121965(Top 83%)12865(Top 85%)12865(Top 574%)
40K24.85 mi0.85 mi22821+4413454+2213454+2221230(Top 80%)12472(Top 82%)12472(Top 557%)
25.2M25.20 mi0.35 mi22794+2713439+1513439+1520931(Top 79%)12364(Top 81%)12364(Top 552%)
Finish26.22 mi1.02 mi22694+10013386+5313386+5318036(Top 68%)11096(Top 73%)11096(Top 495%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

23010

Males

13639

M40-44

13639

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24473

Males

14298

M40-44

14298

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

23010

Males

13639

M40-44

13639

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22003

Males

13183

M40-44

13183

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22371

Males

13358

M40-44

13358

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22964

Males

13575

M40-44

13575

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22290

Males

13200

M40-44

13200

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24015

Males

13901

M40-44

13901

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22014

Males

12997

M40-44

12997

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21584

Males

12751

M40-44

12751

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21906

Males

12864

M40-44

12864

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

21965

Males

12865

M40-44

12865

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21230

Males

12472

M40-44

12472

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20931

Males

12364

M40-44

12364

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18036

Males

11096

M40-44

11096

Passing Analysis

Category:
Athletes Passed
1702
Passed By
929
Net Change
+773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23467
5K → 10K41626-585#23467#24052
10K → 15K33614+322#24052#23730
15K → 20K3965+391#23730#23339
20K → Half532+51#23339#23288
Half → 25K13165+66#23288#23222
25K → 30K21838+180#23222#23042
30K → 20M35114-79#23042#23121
20M → 21M8118+63#23121#23058
21M → 35K564+52#23058#23006
35K → 23M9815+83#23006#22923
23M → 24M668+58#22923#22865
24M → 40K6016+44#22865#22821
40K → 25.2M303+27#22821#22794
25.2M → Finish1011+100#22794#22694
TOTALS1702929+773
📊

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