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BOSTON MARATHON 2023

Alejandro Valencia

Bib: 8039•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:07
Rank: #4630
Start → 5K
21:07 | 6:48/mi
10K· 6.21 mi
41:39
Rank: #3997 (+633)
5K → 10K
20:32 | 6:37/mi
15K· 9.32 mi
1:02:14
Rank: #3775 (+222)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:59
Rank: #3663 (+112)
15K → 20K
20:45 | 6:41/mi
Half· 13.11 mi
1:27:29
Rank: #3647 (+16)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:35
Rank: #3495 (+152)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:04:34
Rank: #3305 (+190)
25K → 30K
20:59 | 6:45/mi
20M
2:13:45
Rank: #3193 (+112)
30K → 20M
9:11 | 6:45/mi
21M
2:20:54
Rank: #3151 (+42)
20M → 21M
7:09 | 7:09/mi
35K· 21.75 mi
2:25:43
Rank: #3092 (+59)
21M → 35K
4:49 | 6:26/mi
23M
2:34:01
Rank: #2967 (+125)
35K → 23M
8:18 | 6:38/mi
24M
2:40:29
Rank: #2888 (+79)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:46:09
Rank: #2813 (+75)
24M → 40K
5:40 | 6:38/mi
25.2M
2:48:39
Rank: #2799 (+14)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:55:34
Rank: #2839 (-40)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:27:29
Pace6:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:05
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:1221:076:4821:07
6:48
-
10K
6.21 mi11:21:4441:396:4220:32
6:37
-0:11
15K
9.32 mi11:42:191:02:146:4120:35
6:38
+0:01
20K
12.43 mi12:03:041:22:596:4120:45
6:41
+0:03
Half
13.11 mi12:07:341:27:296:404:30
6:36
-0:05
25K
15.53 mi12:23:401:43:356:4016:06
6:38
+0:02
30K
18.64 mi12:44:392:04:346:4120:59
6:45
+0:07
20M
20.00 mi12:53:502:13:456:419:11
6:45
0:00
21M
21.00 mi13:00:592:20:546:437:09
7:09
+0:24
35K
21.75 mi13:05:482:25:436:424:49
6:26
-0:43
23M
23.00 mi13:14:062:34:016:428:18
6:38
+0:12
24M
24.00 mi13:20:342:40:296:416:28
6:28
-0:10
40K
24.85 mi13:26:142:46:096:415:40
6:38
+0:10
25.2M
25.20 mi13:28:442:48:396:422:30
7:15
+0:37
Finish
26.22 mi13:35:392:55:346:426:55
6:47
-0:28

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

6:26 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:55

95% of race

Time at Steady Pace

9:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi11:01:1221:076:4821:07
6:48
#4630
10K
6.21 mi11:21:4441:396:4220:32
6:37
#3997
15K
9.32 mi11:42:191:02:146:4120:35
6:38
#3775
20K
12.43 mi12:03:041:22:596:4120:45
6:41
#3663
Half
13.11 mi12:07:341:27:296:404:30
6:36
#3647
25K
15.53 mi12:23:401:43:356:4016:06
6:38
#3495
30K
18.64 mi12:44:392:04:346:4120:59
6:45
#3305
20M
20.00 mi12:53:502:13:456:419:11
6:45
#3193
21M
21.00 mi13:00:592:20:546:437:09
7:09
#3151
35K
21.75 mi13:05:482:25:436:424:49
6:26
#3092
23M
23.00 mi13:14:062:34:016:428:18
6:38
#2967
24M
24.00 mi13:20:342:40:296:416:28
6:28
#2888
40K
24.85 mi13:26:142:46:096:415:40
6:38
#2813
25.2M
25.20 mi13:28:442:48:396:422:30
7:15
#2799
Finish
26.22 mi13:35:392:55:346:426:55
6:47
#2839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4630431343133492(Top 13%)3306(Top 22%)3306(Top 63%)
10K6.21 mi3.10 mi3997+6333758+5553758+5553551(Top 13%)3357(Top 22%)3357(Top 64%)
15K9.32 mi3.11 mi3775+2223562+1963562+1963492(Top 13%)3306(Top 22%)3306(Top 63%)
20K12.43 mi3.11 mi3663+1123466+963466+963387(Top 13%)3210(Top 21%)3210(Top 61%)
Half13.11 mi0.68 mi3647+163451+153451+153351(Top 13%)3182(Top 21%)3182(Top 60%)
25K15.53 mi2.42 mi3495+1523315+1363315+1362944(Top 11%)2811(Top 19%)2811(Top 53%)
30K18.64 mi3.11 mi3305+1903136+1793136+1792708(Top 10%)2572(Top 17%)2572(Top 49%)
20M20.00 mi1.36 mi3193+1123034+1023034+1022568(Top 10%)2435(Top 16%)2435(Top 46%)
21M21.00 mi1.00 mi3151+422989+452989+452838(Top 11%)2663(Top 18%)2663(Top 50%)
35K21.75 mi0.75 mi3092+592936+532936+532152(Top 8%)2045(Top 13%)2045(Top 39%)
23M23.00 mi1.25 mi2967+1252823+1132823+1131901(Top 7%)1803(Top 12%)1803(Top 34%)
24M24.00 mi1.00 mi2888+792744+792744+791974(Top 7%)1855(Top 12%)1855(Top 35%)
40K24.85 mi0.85 mi2813+752674+702674+702042(Top 8%)1912(Top 13%)1912(Top 36%)
25.2M25.20 mi0.35 mi2799+142659+152659+152696(Top 10%)2482(Top 16%)2482(Top 47%)
Finish26.22 mi1.02 mi2839-402693-342693-343977(Top 15%)3516(Top 23%)3516(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3492

Males

3306

M18-39

3306

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3551

Males

3357

M18-39

3357

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3492

Males

3306

M18-39

3306

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3387

Males

3210

M18-39

3210

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3351

Males

3182

M18-39

3182

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2944

Males

2811

M18-39

2811

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2708

Males

2572

M18-39

2572

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2568

Males

2435

M18-39

2435

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2838

Males

2663

M18-39

2663

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2152

Males

2045

M18-39

2045

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1901

Males

1803

M18-39

1803

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1974

Males

1855

M18-39

1855

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2042

Males

1912

M18-39

1912

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2696

Males

2482

M18-39

2482

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3977

Males

3516

M18-39

3516

Passing Analysis

Category:
Athletes Passed
2084
Passed By
293
Net Change
+1791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4630
5K → 10K66633+633#4630#3997
10K → 15K26139+222#3997#3775
15K → 20K16048+112#3775#3663
20K → Half2610+16#3663#3647
Half → 25K16311+152#3647#3495
25K → 30K20818+190#3495#3305
30K → 20M12715+112#3305#3193
20M → 21M6220+42#3193#3151
21M → 35K645+59#3151#3092
35K → 23M13510+125#3092#2967
23M → 24M856+79#2967#2888
24M → 40K805+75#2888#2813
40K → 25.2M228+14#2813#2799
25.2M → Finish2565-40#2799#2839
TOTALS2084293+1791
📊

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