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BOSTON MARATHON 2023

Carlos Guzman

Bib: 1466•M

KS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:55
Rank: #864
Start → 5K
18:55 | 6:05/mi
10K· 6.21 mi
37:29
Rank: #802 (+62)
5K → 10K
18:34 | 5:59/mi
15K· 9.32 mi
56:14
Rank: #787 (+15)
10K → 15K
18:45 | 6:02/mi
20K· 12.43 mi
1:15:02
Rank: #747 (+40)
15K → 20K
18:48 | 6:03/mi
Half· 13.11 mi
1:19:07
Rank: #738 (+9)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:34:07
Rank: #754 (-16)
Half → 25K
15:00 | 6:11/mi
30K· 18.64 mi
1:53:26
Rank: #747 (+7)
25K → 30K
19:19 | 6:13/mi
20M
2:01:53
Rank: #732 (+15)
30K → 20M
8:27 | 6:13/mi
21M
2:08:35
Rank: #740 (-8)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:13:15
Rank: #758 (-18)
21M → 35K
4:40 | 6:14/mi
23M
2:21:29
Rank: #770 (-12)
35K → 23M
8:14 | 6:35/mi
24M
2:27:51
Rank: #784 (-14)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:33:24
Rank: #779 (+5)
24M → 40K
5:33 | 6:29/mi
25.2M
2:35:53
Rank: #788 (-9)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:42:01
Rank: #768 (+20)
25.2M → Finish
6:08 | 6:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:07
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:22:54
Pace6:19 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2318:556:0518:55
6:05
-
10K
6.21 mi10:37:5737:296:0218:34
5:59
-0:06
15K
9.32 mi10:56:4256:146:0218:45
6:02
+0:03
20K
12.43 mi11:15:301:15:026:0218:48
6:03
+0:01
Half
13.11 mi11:19:351:19:076:024:05
5:59
-0:04
25K
15.53 mi11:34:351:34:076:0415:00
6:11
+0:12
30K
18.64 mi11:53:541:53:266:0519:19
6:13
+0:02
20M
20.00 mi12:02:212:01:536:068:27
6:13
0:00
21M
21.00 mi12:09:032:08:356:076:42
6:42
+0:29
35K
21.75 mi12:13:432:13:156:084:40
6:14
-0:28
23M
23.00 mi12:21:572:21:296:098:14
6:35
+0:21
24M
24.00 mi12:28:192:27:516:106:22
6:22
-0:13
40K
24.85 mi12:33:522:33:246:105:33
6:29
+0:07
25.2M
25.20 mi12:36:212:35:536:112:29
7:12
+0:43
Finish
26.22 mi12:42:292:42:016:116:08
6:01
-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

5:59 /mi

Average Pace

6:11 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:20

41% of race

Time at Steady Pace

1:12:43

45% of race

Time at Slower Pace

22:58

14% of race

Average Pace: 6:11 /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 mi10:19:2318:556:0518:55
6:05
#864
10K
6.21 mi10:37:5737:296:0218:34
5:59
#802
15K
9.32 mi10:56:4256:146:0218:45
6:02
#787
20K
12.43 mi11:15:301:15:026:0218:48
6:03
#747
Half
13.11 mi11:19:351:19:076:024:05
5:59
#738
25K
15.53 mi11:34:351:34:076:0415:00
6:11
#754
30K
18.64 mi11:53:541:53:266:0519:19
6:13
#747
20M
20.00 mi12:02:212:01:536:068:27
6:13
#732
21M
21.00 mi12:09:032:08:356:076:42
6:42
#740
35K
21.75 mi12:13:432:13:156:084:40
6:14
#758
23M
23.00 mi12:21:572:21:296:098:14
6:35
#770
24M
24.00 mi12:28:192:27:516:106:22
6:22
#784
40K
24.85 mi12:33:522:33:246:105:33
6:29
#779
25.2M
25.20 mi12:36:212:35:536:112:29
7:12
#788
Finish
26.22 mi12:42:292:42:016:116:08
6:01
#768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi864811811793(Top 3%)747(Top 5%)747(Top 14%)
10K6.21 mi3.10 mi802+62757+54757+54751(Top 3%)707(Top 5%)707(Top 13%)
15K9.32 mi3.11 mi787+15742+15742+15793(Top 3%)747(Top 5%)747(Top 14%)
20K12.43 mi3.11 mi747+40704+38704+38659(Top 2%)617(Top 4%)617(Top 12%)
Half13.11 mi0.68 mi738+9695+9695+9720(Top 3%)679(Top 4%)679(Top 13%)
25K15.53 mi2.42 mi754-16710-15710-15955(Top 4%)906(Top 6%)906(Top 17%)
30K18.64 mi3.11 mi747+7705+5705+5720(Top 3%)683(Top 5%)683(Top 13%)
20M20.00 mi1.36 mi732+15690+15690+15689(Top 3%)652(Top 4%)652(Top 12%)
21M21.00 mi1.00 mi740-8698-8698-81078(Top 4%)1024(Top 7%)1024(Top 19%)
35K21.75 mi0.75 mi758-18715-17715-171335(Top 5%)1265(Top 8%)1265(Top 24%)
23M23.00 mi1.25 mi770-12727-12727-121674(Top 6%)1588(Top 10%)1588(Top 30%)
24M24.00 mi1.00 mi784-14740-13740-131545(Top 6%)1461(Top 10%)1461(Top 28%)
40K24.85 mi0.85 mi779+5736+4736+41479(Top 6%)1393(Top 9%)1393(Top 26%)
25.2M25.20 mi0.35 mi788-9745-9745-92440(Top 9%)2253(Top 15%)2253(Top 43%)
Finish26.22 mi1.02 mi768+20725+20725+20763(Top 3%)730(Top 5%)730(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

793

Males

747

M18-39

747

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

751

Males

707

M18-39

707

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

793

Males

747

M18-39

747

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

659

Males

617

M18-39

617

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

720

Males

679

M18-39

679

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

955

Males

906

M18-39

906

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

720

Males

683

M18-39

683

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

689

Males

652

M18-39

652

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1078

Males

1024

M18-39

1024

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1335

Males

1265

M18-39

1265

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1674

Males

1588

M18-39

1588

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1545

Males

1461

M18-39

1461

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1479

Males

1393

M18-39

1393

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2440

Males

2253

M18-39

2253

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

763

Males

730

M18-39

730

Passing Analysis

Category:
Athletes Passed
299
Passed By
203
Net Change
+96
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#864
5K → 10K8220+62#864#802
10K → 15K2813+15#802#787
15K → 20K444+40#787#747
20K → Half90+9#747#738
Half → 25K2036-16#738#754
25K → 30K2518+7#754#747
30K → 20M205+15#747#732
20M → 21M1119-8#732#740
21M → 35K624-18#740#758
35K → 23M820-12#758#770
23M → 24M418-14#770#784
24M → 40K1611+5#784#779
40K → 25.2M211-9#779#788
25.2M → Finish244+20#788#768
TOTALS299203+96
📊

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