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BOSTON MARATHON 2023

Daniel Estrazulas

Bib: 4159•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 20%
Division (M18-39)
#0 / 5285
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #3125
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:05
Rank: #3247 (-122)
5K → 10K
20:28 | 6:35/mi
15K· 9.32 mi
1:01:40
Rank: #3316 (-69)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:22:36
Rank: #3425 (-109)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:27:06
Rank: #3424 (+1)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:20
Rank: #3371 (+53)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:04:44
Rank: #3368 (+3)
25K → 30K
21:24 | 6:53/mi
20M
2:14:01
Rank: #3292 (+76)
30K → 20M
9:17 | 6:50/mi
21M
2:21:21
Rank: #3303 (-11)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:26:18
Rank: #3277 (+26)
21M → 35K
4:57 | 6:37/mi
23M
2:34:44
Rank: #3183 (+94)
35K → 23M
8:26 | 6:44/mi
24M
2:41:22
Rank: #3139 (+44)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:47:15
Rank: #3114 (+25)
24M → 40K
5:53 | 6:53/mi
25.2M
2:49:53
Rank: #3135 (-21)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:57:04
Rank: #3207 (-72)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:06
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5320:376:3820:37
6:38
-
10K
6.21 mi10:45:2141:056:3720:28
6:35
-0:03
15K
9.32 mi11:05:561:01:406:3720:35
6:38
+0:03
20K
12.43 mi11:26:521:22:366:3920:56
6:44
+0:06
Half
13.11 mi11:31:221:27:066:394:30
6:36
-0:08
25K
15.53 mi11:47:361:43:206:3916:14
6:42
+0:06
30K
18.64 mi12:09:002:04:446:4121:24
6:53
+0:11
20M
20.00 mi12:18:172:14:016:429:17
6:50
-0:03
21M
21.00 mi12:25:372:21:216:447:20
7:20
+0:30
35K
21.75 mi12:30:342:26:186:444:57
6:37
-0:43
23M
23.00 mi12:39:002:34:446:448:26
6:44
+0:07
24M
24.00 mi12:45:382:41:226:436:38
6:38
-0:06
40K
24.85 mi12:51:312:47:156:445:53
6:53
+0:15
25.2M
25.20 mi12:54:092:49:536:442:38
7:38
+0:45
Finish
26.22 mi13:01:202:57:046:457:11
7:03
-0:35

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

6:35 /mi

Average Pace

6:45 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:06

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:24:5320:376:3820:37
6:38
#3125
10K
6.21 mi10:45:2141:056:3720:28
6:35
#3247
15K
9.32 mi11:05:561:01:406:3720:35
6:38
#3316
20K
12.43 mi11:26:521:22:366:3920:56
6:44
#3425
Half
13.11 mi11:31:221:27:066:394:30
6:36
#3424
25K
15.53 mi11:47:361:43:206:3916:14
6:42
#3371
30K
18.64 mi12:09:002:04:446:4121:24
6:53
#3368
20M
20.00 mi12:18:172:14:016:429:17
6:50
#3292
21M
21.00 mi12:25:372:21:216:447:20
7:20
#3303
35K
21.75 mi12:30:342:26:186:444:57
6:37
#3277
23M
23.00 mi12:39:002:34:446:448:26
6:44
#3183
24M
24.00 mi12:45:382:41:226:436:38
6:38
#3139
40K
24.85 mi12:51:312:47:156:445:53
6:53
#3114
25.2M
25.20 mi12:54:092:49:536:442:38
7:38
#3135
Finish
26.22 mi13:01:202:57:046:457:11
7:03
#3207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3125295329533502(Top 13%)3316(Top 22%)3316(Top 63%)
10K6.21 mi3.10 mi3247-1223079-1263079-1263404(Top 13%)3233(Top 21%)3233(Top 61%)
15K9.32 mi3.11 mi3316-693149-703149-703502(Top 13%)3316(Top 22%)3316(Top 63%)
20K12.43 mi3.11 mi3425-1093247-983247-983856(Top 14%)3636(Top 24%)3636(Top 69%)
Half13.11 mi0.68 mi3424+13248-13248-13384(Top 13%)3215(Top 21%)3215(Top 61%)
25K15.53 mi2.42 mi3371+533204+443204+443322(Top 12%)3154(Top 21%)3154(Top 60%)
30K18.64 mi3.11 mi3368+33194+103194+103561(Top 13%)3343(Top 22%)3343(Top 63%)
20M20.00 mi1.36 mi3292+763120+743120+743017(Top 11%)2837(Top 19%)2837(Top 54%)
21M21.00 mi1.00 mi3303-113130-103130-103763(Top 14%)3486(Top 23%)3486(Top 66%)
35K21.75 mi0.75 mi3277+263103+273103+273084(Top 12%)2886(Top 19%)2886(Top 55%)
23M23.00 mi1.25 mi3183+943019+843019+842337(Top 9%)2198(Top 14%)2198(Top 42%)
24M24.00 mi1.00 mi3139+442977+422977+422761(Top 10%)2570(Top 17%)2570(Top 49%)
40K24.85 mi0.85 mi3114+252950+272950+273215(Top 12%)2945(Top 19%)2945(Top 56%)
25.2M25.20 mi0.35 mi3135-212969-192969-194479(Top 17%)3892(Top 26%)3892(Top 74%)
Finish26.22 mi1.02 mi3207-723033-643033-645468(Top 21%)4560(Top 30%)4560(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3502

Males

3316

M18-39

3316

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3404

Males

3233

M18-39

3233

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3502

Males

3316

M18-39

3316

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3856

Males

3636

M18-39

3636

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3384

Males

3215

M18-39

3215

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3322

Males

3154

M18-39

3154

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3561

Males

3343

M18-39

3343

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3017

Males

2837

M18-39

2837

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3763

Males

3486

M18-39

3486

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3084

Males

2886

M18-39

2886

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2337

Males

2198

M18-39

2198

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2761

Males

2570

M18-39

2570

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3215

Males

2945

M18-39

2945

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4479

Males

3892

M18-39

3892

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5468

Males

4560

M18-39

4560

Passing Analysis

Category:
Athletes Passed
862
Passed By
944
Net Change
-82
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3125
5K → 10K103225-122#3125#3247
10K → 15K68137-69#3247#3316
15K → 20K52161-109#3316#3425
20K → Half1716+1#3425#3424
Half → 25K9239+53#3424#3371
25K → 30K9289+3#3371#3368
30K → 20M10125+76#3368#3292
20M → 21M4556-11#3292#3303
21M → 35K3812+26#3303#3277
35K → 23M10612+94#3277#3183
23M → 24M6218+44#3183#3139
24M → 40K5126+25#3139#3114
40K → 25.2M930-21#3114#3135
25.2M → Finish2698-72#3135#3207
TOTALS862944-82
📊

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