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BOSTON MARATHON 2023

Juan Carlos Sepulveda Pena

Bib: 8623•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 20%
Division (M40-44)
#0 / 2241
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #6946
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
43:16
Rank: #6297 (+649)
5K → 10K
21:10 | 6:49/mi
15K· 9.32 mi
1:04:24
Rank: #5916 (+381)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:25:47
Rank: #5724 (+192)
15K → 20K
21:23 | 6:53/mi
Half· 13.11 mi
1:30:25
Rank: #5701 (+23)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:47:06
Rank: #5545 (+156)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:09:05
Rank: #5361 (+184)
25K → 30K
21:59 | 7:05/mi
20M
2:18:55
Rank: #5328 (+33)
30K → 20M
9:50 | 7:14/mi
21M
2:26:51
Rank: #5363 (-35)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:32:14
Rank: #5383 (-20)
21M → 35K
5:23 | 7:12/mi
23M
2:42:01
Rank: #5493 (-110)
35K → 23M
9:47 | 7:49/mi
24M
2:49:39
Rank: #5561 (-68)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
2:56:21
Rank: #5614 (-53)
24M → 40K
6:42 | 7:50/mi
25.2M
2:59:19
Rank: #5653 (-39)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:07:21
Rank: #5778 (-125)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:25
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:36:56
Pace7:24 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3122:067:0722:06
7:07
-
10K
6.21 mi11:08:4143:166:5821:10
6:49
-0:18
15K
9.32 mi11:29:491:04:246:5521:08
6:48
-0:01
20K
12.43 mi11:51:121:25:476:5421:23
6:53
+0:05
Half
13.11 mi11:55:501:30:256:544:38
6:47
-0:06
25K
15.53 mi12:12:311:47:066:5416:41
6:53
+0:06
30K
18.64 mi12:34:302:09:056:5521:59
7:05
+0:12
20M
20.00 mi12:44:202:18:556:579:50
7:14
+0:09
21M
21.00 mi12:52:162:26:517:007:56
7:56
+0:42
35K
21.75 mi12:57:392:32:147:005:23
7:12
-0:44
23M
23.00 mi13:07:262:42:017:039:47
7:49
+0:37
24M
24.00 mi13:15:042:49:397:047:38
7:38
-0:11
40K
24.85 mi13:21:462:56:217:066:42
7:50
+0:12
25.2M
25.20 mi13:24:442:59:197:072:58
8:36
+0:46
Finish
26.22 mi13:32:463:07:217:098:02
7:53
-0:43

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

6:47 /mi

Average Pace

7:09 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:00

45% of race

Time at Steady Pace

59:18

32% of race

Time at Slower Pace

43:03

23% of race

Average Pace: 7:09 /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 mi10:47:3122:067:0722:06
7:07
#6946
10K
6.21 mi11:08:4143:166:5821:10
6:49
#6297
15K
9.32 mi11:29:491:04:246:5521:08
6:48
#5916
20K
12.43 mi11:51:121:25:476:5421:23
6:53
#5724
Half
13.11 mi11:55:501:30:256:544:38
6:47
#5701
25K
15.53 mi12:12:311:47:066:5416:41
6:53
#5545
30K
18.64 mi12:34:302:09:056:5521:59
7:05
#5361
20M
20.00 mi12:44:202:18:556:579:50
7:14
#5328
21M
21.00 mi12:52:162:26:517:007:56
7:56
#5363
35K
21.75 mi12:57:392:32:147:005:23
7:12
#5383
23M
23.00 mi13:07:262:42:017:039:47
7:49
#5493
24M
24.00 mi13:15:042:49:397:047:38
7:38
#5561
40K
24.85 mi13:21:462:56:217:066:42
7:50
#5614
25.2M
25.20 mi13:24:442:59:197:072:58
8:36
#5653
Finish
26.22 mi13:32:463:07:217:098:02
7:53
#5778
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6946622762275157(Top 19%)4774(Top 31%)4774(Top 213%)
10K6.21 mi3.10 mi6297+6495711+5165711+5165421(Top 20%)4998(Top 33%)4998(Top 223%)
15K9.32 mi3.11 mi5916+3815412+2995412+2995157(Top 19%)4774(Top 31%)4774(Top 213%)
20K12.43 mi3.11 mi5724+1925263+1495263+1495213(Top 20%)4817(Top 32%)4817(Top 215%)
Half13.11 mi0.68 mi5701+235247+165247+165214(Top 20%)4824(Top 32%)4824(Top 215%)
25K15.53 mi2.42 mi5545+1565113+1345113+1344827(Top 18%)4473(Top 29%)4473(Top 200%)
30K18.64 mi3.11 mi5361+1844947+1664947+1664803(Top 18%)4428(Top 29%)4428(Top 198%)
20M20.00 mi1.36 mi5328+334916+314916+315303(Top 20%)4778(Top 31%)4778(Top 213%)
21M21.00 mi1.00 mi5363-354935-194935-196898(Top 26%)5794(Top 38%)5794(Top 259%)
35K21.75 mi0.75 mi5383-204944-94944-96453(Top 24%)5533(Top 36%)5533(Top 247%)
23M23.00 mi1.25 mi5493-1105030-865030-868472(Top 32%)6673(Top 44%)6673(Top 298%)
24M24.00 mi1.00 mi5561-685073-435073-438579(Top 32%)6646(Top 44%)6646(Top 297%)
40K24.85 mi0.85 mi5614-535106-335106-338866(Top 33%)6728(Top 44%)6728(Top 300%)
25.2M25.20 mi0.35 mi5653-395126-205126-2010065(Top 38%)7299(Top 48%)7299(Top 326%)
Finish26.22 mi1.02 mi5778-1255212-865212-8611237(Top 42%)7894(Top 52%)7894(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5157

Males

4774

M40-44

4774

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5421

Males

4998

M40-44

4998

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5157

Males

4774

M40-44

4774

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5213

Males

4817

M40-44

4817

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5214

Males

4824

M40-44

4824

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4827

Males

4473

M40-44

4473

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4803

Males

4428

M40-44

4428

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5303

Males

4778

M40-44

4778

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6898

Males

5794

M40-44

5794

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6453

Males

5533

M40-44

5533

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8472

Males

6673

M40-44

6673

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8579

Males

6646

M40-44

6646

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8866

Males

6728

M40-44

6728

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10065

Males

7299

M40-44

7299

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11237

Males

7894

M40-44

7894

Passing Analysis

Category:
Athletes Passed
1975
Passed By
807
Net Change
+1168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6946
5K → 10K66920+649#6946#6297
10K → 15K39110+381#6297#5916
15K → 20K21927+192#5916#5724
20K → Half296+23#5724#5701
Half → 25K17014+156#5701#5545
25K → 30K22440+184#5545#5361
30K → 20M7744+33#5361#5328
20M → 21M4681-35#5328#5363
21M → 35K2444-20#5363#5383
35K → 23M41151-110#5383#5493
23M → 24M2795-68#5493#5561
24M → 40K2679-53#5561#5614
40K → 25.2M948-39#5614#5653
25.2M → Finish23148-125#5653#5778
TOTALS1975807+1168
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing