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BOSTON MARATHON 2023

Alberto Brito Estevez

Bib: 2554•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Division (M18-39)
#0 / 5285
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
6:36/mi
20:29
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
40:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:01:17
↑ 67↓ 78
20K· 12.43 mi
6:38/mi
1:21:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:26:23
↑ 19↓ 370.5%
25K· 15.53 mi
6:33/mi
1:42:16
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:04:09
↑ 181↓ 1480.2%
20M
7:30/mi
2:14:21
↑ 64↓ 500.2%
21M
8:10/mi
2:22:31
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:28:12
↑ 17↓ 861.7%
23M
7:40/mi
2:37:48
↑ 23↓ 630.6%
24M
7:34/mi
2:45:22
↓ 821.3%
40K· 24.85 mi
7:55/mi
2:52:08
↓ 200.3%
25.2M
8:54/mi
2:55:12
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:03:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:23
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2220:296:3620:29
6:36
-
10K
6.21 mi10:41:4340:506:3420:21
6:33
-0:03
15K
9.32 mi11:02:101:01:176:3520:27
6:35
+0:02
20K
12.43 mi11:22:481:21:556:3520:38
6:38
+0:03
Half
13.11 mi11:27:161:26:236:354:28
6:33
-0:05
25K
15.53 mi11:43:091:42:166:3515:53
6:33
0:00
30K
18.64 mi12:05:022:04:096:4021:53
7:03
+0:30
20M
20.00 mi12:15:142:14:216:4310:12
7:30
+0:27
21M
21.00 mi12:23:242:22:316:478:10
8:10
+0:40
35K
21.75 mi12:29:052:28:126:495:41
7:36
-0:34
23M
23.00 mi12:38:412:37:486:529:36
7:40
+0:04
24M
24.00 mi12:46:152:45:226:537:34
7:34
-0:06
40K
24.85 mi12:53:012:52:086:566:46
7:55
+0:21
25.2M
25.20 mi12:56:052:55:126:573:04
8:54
+0:59
Finish
26.22 mi13:04:373:03:447:018:32
8:22
-0:32

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

6:33 /mi

Average Pace

7:01 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:09

68% of race

Time at Steady Pace

33:03

18% of race

Time at Slower Pace

26:32

14% of race

Average Pace: 7:00 /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 mi10:21:2220:296:3620:29
6:36
#2827
10K
6.21 mi10:41:4340:506:3420:21
6:33
#2956
15K
9.32 mi11:02:101:01:176:3520:27
6:35
#3015
20K
12.43 mi11:22:481:21:556:3520:38
6:38
#3031
Half
13.11 mi11:27:161:26:236:354:28
6:33
#3024
25K
15.53 mi11:43:091:42:166:3515:53
6:33
#2887
30K
18.64 mi12:05:022:04:096:4021:53
7:03
#3119
20M
20.00 mi12:15:142:14:216:4310:12
7:30
#3439
21M
21.00 mi12:23:242:22:316:478:10
8:10
#3748
35K
21.75 mi12:29:052:28:126:495:41
7:36
#4007
23M
23.00 mi12:38:412:37:486:529:36
7:40
#4276
24M
24.00 mi12:46:152:45:226:537:34
7:34
#4494
40K
24.85 mi12:53:012:52:086:566:46
7:55
#4640
25.2M
25.20 mi12:56:052:55:126:573:04
8:54
#4706
Finish
26.22 mi13:04:373:03:447:018:32
8:22
#5000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2827269026903171(Top 12%)3020(Top 20%)3020(Top 57%)
10K6.21 mi3.10 mi2956-1292820-1302820-1303135(Top 12%)2991(Top 20%)2991(Top 57%)
15K9.32 mi3.11 mi3015-592874-542874-543171(Top 12%)3020(Top 20%)3020(Top 57%)
20K12.43 mi3.11 mi3031-162893-192893-193122(Top 12%)2969(Top 20%)2969(Top 56%)
Half13.11 mi0.68 mi3024+72886+72886+73123(Top 12%)2988(Top 20%)2988(Top 57%)
25K15.53 mi2.42 mi2887+1372759+1272759+1272442(Top 9%)2338(Top 15%)2338(Top 44%)
30K18.64 mi3.11 mi3119-2322970-2112970-2114631(Top 17%)4283(Top 28%)4283(Top 81%)
20M20.00 mi1.36 mi3439-3203255-2853255-2856781(Top 25%)5821(Top 38%)5821(Top 110%)
21M21.00 mi1.00 mi3748-3093533-2783533-2788367(Top 31%)6673(Top 44%)6673(Top 126%)
35K21.75 mi0.75 mi4007-2593760-2273760-2279173(Top 34%)7150(Top 47%)7150(Top 135%)
23M23.00 mi1.25 mi4276-2694002-2424002-2427506(Top 28%)6115(Top 40%)6115(Top 116%)
24M24.00 mi1.00 mi4494-2184192-1904192-1908108(Top 30%)6364(Top 42%)6364(Top 120%)
40K24.85 mi0.85 mi4640-1464312-1204312-1209386(Top 35%)7013(Top 46%)7013(Top 133%)
25.2M25.20 mi0.35 mi4706-664362-504362-5011757(Top 44%)8100(Top 53%)8100(Top 153%)
Finish26.22 mi1.02 mi5000-2944595-2334595-23314509(Top 55%)9478(Top 62%)9478(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21story building
+97ft-345ft

Overall

3171

Males

3020

M18-39

3020

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3135

Males

2991

M18-39

2991

10K→15K

6.2 - 9.3 mi

Top 12%
×3story building
+67ft-78ft

Overall

3171

Males

3020

M18-39

3020

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3122

Males

2969

M18-39

2969

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3123

Males

2988

M18-39

2988

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2442

Males

2338

M18-39

2338

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4631

Males

4283

M18-39

4283

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6781

Males

5821

M18-39

5821

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8367

Males

6673

M18-39

6673

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

9173

Males

7150

M18-39

7150

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7506

Males

6115

M18-39

6115

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8108

Males

6364

M18-39

6364

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9386

Males

7013

M18-39

7013

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11757

Males

8100

M18-39

8100

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14509

Males

9478

M18-39

9478

Passing Analysis

Category:
Athletes Passed
553
Passed By
2726
Net Change
-2173
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2827
5K → 10K111240-129#2827#2956
10K → 15K69128-59#2956#3015
15K → 20K7995-16#3015#3031
20K → Half1912+7#3031#3024
Half → 25K14811+137#3024#2887
25K → 30K38270-232#2887#3119
30K → 20M10330-320#3119#3439
20M → 21M10319-309#3439#3748
21M → 35K7266-259#3748#4007
35K → 23M19288-269#4007#4276
23M → 24M11229-218#4276#4494
24M → 40K19165-146#4494#4640
40K → 25.2M571-66#4640#4706
25.2M → Finish8302-294#4706#5000
TOTALS5532726-2173
📊

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