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BOSTON MARATHON 2023

Pablo Perez-Leon

Bib: 12679•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M50-54)
#0 / 2052
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:30/mi
47:11
↑ 79↓ 1380.4%
15K· 9.32 mi
7:32/mi
1:10:36
↑ 67↓ 78
20K· 12.43 mi
7:44/mi
1:34:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:39:51
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
1:58:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:07/mi
2:23:55
↑ 181↓ 1480.2%
20M
8:15/mi
2:35:07
↑ 64↓ 500.2%
21M
8:42/mi
2:43:49
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:49:41
↑ 17↓ 861.7%
23M
7:55/mi
2:59:36
↑ 23↓ 630.6%
24M
7:48/mi
3:07:24
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:14:06
↓ 200.3%
25.2M
8:42/mi
3:17:06
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:24:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:51
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:44:55
Pace8:00 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1623:527:4123:52
7:41
-
10K
6.21 mi11:14:3547:117:3623:19
7:30
-0:11
15K
9.32 mi11:38:001:10:367:3423:25
7:32
+0:02
20K
12.43 mi12:02:031:34:397:3724:03
7:44
+0:12
Half
13.11 mi12:07:151:39:517:375:12
7:37
-0:07
25K
15.53 mi12:26:061:58:427:3818:51
7:46
+0:09
30K
18.64 mi12:51:192:23:557:4325:13
8:07
+0:21
20M
20.00 mi13:02:312:35:077:4511:12
8:15
+0:08
21M
21.00 mi13:11:132:43:497:488:42
8:42
+0:27
35K
21.75 mi13:17:052:49:417:485:52
7:51
-0:51
23M
23.00 mi13:27:002:59:367:499:55
7:55
+0:04
24M
24.00 mi13:34:483:07:247:497:48
7:48
-0:07
40K
24.85 mi13:41:303:14:067:496:42
7:50
+0:02
25.2M
25.20 mi13:44:303:17:067:493:00
8:42
+0:52
Finish
26.22 mi13:52:103:24:467:497:40
7:31
-1:11

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

7:30 /mi

Average Pace

7:49 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:52

89% of race

Time at Steady Pace

22:54

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi10:51:1623:527:4123:52
7:41
#11278
10K
6.21 mi11:14:3547:117:3623:19
7:30
#10855
15K
9.32 mi11:38:001:10:367:3423:25
7:32
#10704
20K
12.43 mi12:02:031:34:397:3724:03
7:44
#10839
Half
13.11 mi12:07:151:39:517:375:12
7:37
#10863
25K
15.53 mi12:26:061:58:427:3818:51
7:46
#10826
30K
18.64 mi12:51:192:23:557:4325:13
8:07
#10920
20M
20.00 mi13:02:312:35:077:4511:12
8:15
#10976
21M
21.00 mi13:11:132:43:497:488:42
8:42
#11006
35K
21.75 mi13:17:052:49:417:485:52
7:51
#10989
23M
23.00 mi13:27:002:59:367:499:55
7:55
#10864
24M
24.00 mi13:34:483:07:247:497:48
7:48
#10801
40K
24.85 mi13:41:303:14:067:496:42
7:50
#10702
25.2M
25.20 mi13:44:303:17:067:493:00
8:42
#10701
Finish
26.22 mi13:52:103:24:467:497:40
7:31
#10583
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi112788785878510471(Top 39%)8395(Top 55%)8395(Top 409%)
10K6.21 mi3.10 mi10855+4238588+1978588+19710477(Top 39%)8423(Top 56%)8423(Top 410%)
15K9.32 mi3.11 mi10704+1518520+688520+6810471(Top 39%)8395(Top 55%)8395(Top 409%)
20K12.43 mi3.11 mi10839-1358563-438563-4311224(Top 42%)8680(Top 57%)8680(Top 423%)
Half13.11 mi0.68 mi10863-248579-168579-1611145(Top 42%)8677(Top 57%)8677(Top 423%)
25K15.53 mi2.42 mi10826+378544+358544+3510881(Top 41%)8441(Top 56%)8441(Top 411%)
30K18.64 mi3.11 mi10920-948547-38547-311749(Top 44%)8690(Top 57%)8690(Top 423%)
20M20.00 mi1.36 mi10976-568541+68541+611935(Top 45%)8675(Top 57%)8675(Top 423%)
21M21.00 mi1.00 mi11006-308527+148527+1411636(Top 44%)8403(Top 55%)8403(Top 410%)
35K21.75 mi0.75 mi10989+178504+238504+2310922(Top 41%)8071(Top 53%)8071(Top 393%)
23M23.00 mi1.25 mi10864+1258418+868418+869210(Top 35%)7078(Top 47%)7078(Top 345%)
24M24.00 mi1.00 mi10801+638361+578361+579775(Top 37%)7281(Top 48%)7281(Top 355%)
40K24.85 mi0.85 mi10702+998285+768285+768901(Top 33%)6763(Top 45%)6763(Top 330%)
25.2M25.20 mi0.35 mi10701+18270+158270+1510702(Top 40%)7659(Top 50%)7659(Top 373%)
Finish26.22 mi1.02 mi10583+1188181+898181+898720(Top 33%)6598(Top 43%)6598(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10471

Males

8395

M50-54

8395

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10477

Males

8423

M50-54

8423

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10471

Males

8395

M50-54

8395

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

11224

Males

8680

M50-54

8680

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11145

Males

8677

M50-54

8677

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10881

Males

8441

M50-54

8441

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11749

Males

8690

M50-54

8690

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11935

Males

8675

M50-54

8675

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11636

Males

8403

M50-54

8403

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10922

Males

8071

M50-54

8071

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9210

Males

7078

M50-54

7078

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

9775

Males

7281

M50-54

7281

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8901

Males

6763

M50-54

6763

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10702

Males

7659

M50-54

7659

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8720

Males

6598

M50-54

6598

Passing Analysis

Category:
Athletes Passed
2001*
Passed By
1306
Net Change
+695
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11278
5K → 10K564141+423#11278#10855
10K → 15K270119+151#10855#10704
15K → 20K119254-135#10704#10839
20K → Half2145-24#10839#10863
Half → 25K143106+37#10863#10826
25K → 30K157251-94#10826#10920
30K → 20M67*123-56#10920#10976
20M → 21M6797-30#10976#11006
21M → 35K5538+17#11006#10989
35K → 23M14823+125#10989#10864
23M → 24M10340+63#10864#10801
24M → 40K12021+99#10801#10702
40K → 25.2M3332+1#10702#10701
25.2M → Finish13416+118#10701#10583
TOTALS2001*1306+695

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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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