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BOSTON MARATHON 2023

Alejandro Montenegro

Bib: 4724•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #17309
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
53:16
Rank: #18342 (-1033)
5K → 10K
26:58 | 8:41/mi
15K· 9.32 mi
1:20:52
Rank: #18909 (-567)
10K → 15K
27:36 | 8:53/mi
20K· 12.43 mi
1:48:35
Rank: #19000 (-91)
15K → 20K
27:43 | 8:55/mi
Half· 13.11 mi
1:54:33
Rank: #19015 (-15)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:16:34
Rank: #19045 (-30)
Half → 25K
22:01 | 9:05/mi
30K· 18.64 mi
2:45:27
Rank: #18980 (+65)
25K → 30K
28:53 | 9:18/mi
20M
2:58:13
Rank: #18930 (+50)
30K → 20M
12:46 | 9:24/mi
21M
3:08:00
Rank: #18820 (+110)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
3:15:02
Rank: #18862 (-42)
21M → 35K
7:02 | 9:24/mi
23M
3:27:11
Rank: #18879 (-17)
35K → 23M
12:09 | 9:42/mi
24M
3:36:26
Rank: #18829 (+50)
23M → 24M
9:15 | 9:15/mi
40K· 24.85 mi
3:44:21
Rank: #18788 (+41)
24M → 40K
7:55 | 9:16/mi
25.2M
3:47:46
Rank: #18758 (+30)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:56:21
Rank: #18630 (+128)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:33
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:01:48
Pace9:17 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:2226:188:2826:18
8:28
-
10K
6.21 mi10:56:2053:168:3426:58
8:41
+0:13
15K
9.32 mi11:23:561:20:528:4127:36
8:53
+0:12
20K
12.43 mi11:51:391:48:358:4427:43
8:55
+0:02
Half
13.11 mi11:57:371:54:338:445:58
8:45
-0:10
25K
15.53 mi12:19:382:16:348:4722:01
9:05
+0:20
30K
18.64 mi12:48:312:45:278:5328:53
9:18
+0:13
20M
20.00 mi13:01:172:58:138:5512:46
9:24
+0:06
21M
21.00 mi13:11:043:08:008:579:47
9:47
+0:23
35K
21.75 mi13:18:063:15:028:587:02
9:24
-0:23
23M
23.00 mi13:30:153:27:119:0012:09
9:42
+0:18
24M
24.00 mi13:39:303:36:269:019:15
9:15
-0:27
40K
24.85 mi13:47:253:44:219:027:55
9:16
+0:01
25.2M
25.20 mi13:50:503:47:469:023:25
9:54
+0:38
Finish
26.22 mi13:59:253:56:219:018:35
8:25
-1:29

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

8:25 /mi

Average Pace

9:01 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:24

65% of race

Time at Steady Pace

1:21:57

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi10:29:2226:188:2826:18
8:28
#17309
10K
6.21 mi10:56:2053:168:3426:58
8:41
#18342
15K
9.32 mi11:23:561:20:528:4127:36
8:53
#18909
20K
12.43 mi11:51:391:48:358:4427:43
8:55
#19000
Half
13.11 mi11:57:371:54:338:445:58
8:45
#19015
25K
15.53 mi12:19:382:16:348:4722:01
9:05
#19045
30K
18.64 mi12:48:312:45:278:5328:53
9:18
#18980
20M
20.00 mi13:01:172:58:138:5512:46
9:24
#18930
21M
21.00 mi13:11:043:08:008:579:47
9:47
#18820
35K
21.75 mi13:18:063:15:028:587:02
9:24
#18862
23M
23.00 mi13:30:153:27:119:0012:09
9:42
#18879
24M
24.00 mi13:39:303:36:269:019:15
9:15
#18829
40K
24.85 mi13:47:253:44:219:027:55
9:16
#18788
25.2M
25.20 mi13:50:503:47:469:023:25
9:54
#18758
Finish
26.22 mi13:59:253:56:219:018:35
8:25
#18630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17309111581115819945(Top 75%)12269(Top 81%)12269(Top 232%)
10K6.21 mi3.10 mi18342-103311601-44311601-44319301(Top 73%)12014(Top 79%)12014(Top 227%)
15K9.32 mi3.11 mi18909-56711814-21311814-21319945(Top 75%)12269(Top 81%)12269(Top 232%)
20K12.43 mi3.11 mi19000-9111856-4211856-4219310(Top 73%)12014(Top 79%)12014(Top 227%)
Half13.11 mi0.68 mi19015-1511863-711863-719156(Top 72%)11953(Top 79%)11953(Top 226%)
25K15.53 mi2.42 mi19045-3011881-1811881-1819325(Top 73%)11983(Top 79%)11983(Top 227%)
30K18.64 mi3.11 mi18980+6511833+4811833+4818612(Top 70%)11610(Top 77%)11610(Top 220%)
20M20.00 mi1.36 mi18930+5011790+4311790+4318434(Top 69%)11425(Top 75%)11425(Top 216%)
21M21.00 mi1.00 mi18820+11011733+5711733+5717187(Top 65%)10873(Top 72%)10873(Top 206%)
35K21.75 mi0.75 mi18862-4211748-1511748-1519519(Top 73%)11825(Top 78%)11825(Top 224%)
23M23.00 mi1.25 mi18879-1711739+911739+919076(Top 72%)11605(Top 76%)11605(Top 220%)
24M24.00 mi1.00 mi18829+5011702+3711702+3718246(Top 69%)11197(Top 74%)11197(Top 212%)
40K24.85 mi0.85 mi18788+4111676+2611676+2617333(Top 65%)10729(Top 71%)10729(Top 203%)
25.2M25.20 mi0.35 mi18758+3011655+2111655+2116983(Top 64%)10560(Top 70%)10560(Top 200%)
Finish26.22 mi1.02 mi18630+12811600+5511600+5514884(Top 56%)9679(Top 64%)9679(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19945

Males

12269

M18-39

12269

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19301

Males

12014

M18-39

12014

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19945

Males

12269

M18-39

12269

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19310

Males

12014

M18-39

12014

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19156

Males

11953

M18-39

11953

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19325

Males

11983

M18-39

11983

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18612

Males

11610

M18-39

11610

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18434

Males

11425

M18-39

11425

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17187

Males

10873

M18-39

10873

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19519

Males

11825

M18-39

11825

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19076

Males

11605

M18-39

11605

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18246

Males

11197

M18-39

11197

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17333

Males

10729

M18-39

10729

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16983

Males

10560

M18-39

10560

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14884

Males

9679

M18-39

9679

Passing Analysis

Category:
Athletes Passed
1244
Passed By
2565
Net Change
-1321
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17309
5K → 10K501083-1033#17309#18342
10K → 15K48615-567#18342#18909
15K → 20K136227-91#18909#19000
20K → Half1934-15#19000#19015
Half → 25K115145-30#19015#19045
25K → 30K196131+65#19045#18980
30K → 20M11060+50#18980#18930
20M → 21M13727+110#18930#18820
21M → 35K3476-42#18820#18862
35K → 23M6784-17#18862#18879
23M → 24M8636+50#18879#18829
24M → 40K6726+41#18829#18788
40K → 25.2M388+30#18788#18758
25.2M → Finish14113+128#18758#18630
TOTALS12442565-1321
📊

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