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BOSTON MARATHON 2023

Dennis Serna

Bib: 6569•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
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
24:23
Rank: #12809
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
50:16
Rank: #15031 (-2222)
5K → 10K
25:53 | 8:20/mi
15K· 9.32 mi
1:15:37
Rank: #15197 (-166)
10K → 15K
25:21 | 8:10/mi
20K· 12.43 mi
1:41:20
Rank: #15278 (-81)
15K → 20K
25:43 | 8:17/mi
Half· 13.11 mi
1:46:25
Rank: #14999 (+279)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
2:06:03
Rank: #14739 (+260)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:31:03
Rank: #14128 (+611)
25K → 30K
25:00 | 8:03/mi
20M
2:41:28
Rank: #13615 (+513)
30K → 20M
10:25 | 7:40/mi
21M
2:49:32
Rank: #13234 (+381)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:55:03
Rank: #12999 (+235)
21M → 35K
5:31 | 7:22/mi
23M
3:04:59
Rank: #12781 (+218)
35K → 23M
9:56 | 7:56/mi
24M
3:13:21
Rank: #12811 (-30)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:20:31
Rank: #12794 (+17)
24M → 40K
7:10 | 8:23/mi
25.2M
3:23:35
Rank: #12773 (+21)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:31:43
Rank: #12744 (+29)
25.2M → Finish
8:08 | 7:59/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:25
Pace8:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:5624:237:5124:23
7:51
-
10K
6.21 mi10:53:4950:168:0525:53
8:20
+0:29
15K
9.32 mi11:19:101:15:378:0725:21
8:10
-0:10
20K
12.43 mi11:44:531:41:208:0925:43
8:17
+0:07
Half
13.11 mi11:49:581:46:258:075:05
7:27
-0:50
25K
15.53 mi12:09:362:06:038:0719:38
8:06
+0:39
30K
18.64 mi12:34:362:31:038:0625:00
8:03
-0:03
20M
20.00 mi12:45:012:41:288:0410:25
7:40
-0:23
21M
21.00 mi12:53:052:49:328:048:04
8:04
+0:24
35K
21.75 mi12:58:362:55:038:035:31
7:22
-0:42
23M
23.00 mi13:08:323:04:598:039:56
7:56
+0:34
24M
24.00 mi13:16:543:13:218:038:22
8:22
+0:26
40K
24.85 mi13:24:043:20:318:047:10
8:23
+0:01
25.2M
25.20 mi13:27:083:23:358:053:04
8:54
+0:31
Finish
26.22 mi13:35:163:31:438:058:08
7:59
-0:55

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

7:22 /mi

Average Pace

8:05 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:24

21% of race

Time at Steady Pace

1:36:07

45% of race

Time at Slower Pace

1:10:12

33% of race

Average Pace: 8:04 /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 mi10:27:5624:237:5124:23
7:51
#12809
10K
6.21 mi10:53:4950:168:0525:53
8:20
#15031
15K
9.32 mi11:19:101:15:378:0725:21
8:10
#15197
20K
12.43 mi11:44:531:41:208:0925:43
8:17
#15278
Half
13.11 mi11:49:581:46:258:075:05
7:27
#14999
25K
15.53 mi12:09:362:06:038:0719:38
8:06
#14739
30K
18.64 mi12:34:362:31:038:0625:00
8:03
#14128
20M
20.00 mi12:45:012:41:288:0410:25
7:40
#13615
21M
21.00 mi12:53:052:49:328:048:04
8:04
#13234
35K
21.75 mi12:58:362:55:038:035:31
7:22
#12999
23M
23.00 mi13:08:323:04:598:039:56
7:56
#12781
24M
24.00 mi13:16:543:13:218:038:22
8:22
#12811
40K
24.85 mi13:24:043:20:318:047:10
8:23
#12794
25.2M
25.20 mi13:27:083:23:358:053:04
8:54
#12773
Finish
26.22 mi13:35:163:31:438:058:08
7:59
#12744
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi128099461946115556(Top 58%)10518(Top 69%)10518(Top 199%)
10K6.21 mi3.10 mi15031-222210344-88310344-88317117(Top 64%)11149(Top 73%)11149(Top 211%)
15K9.32 mi3.11 mi15197-16610397-5310397-5315556(Top 58%)10518(Top 69%)10518(Top 199%)
20K12.43 mi3.11 mi15278-8110401-410401-415453(Top 58%)10433(Top 69%)10433(Top 197%)
Half13.11 mi0.68 mi14999+27910298+10310298+1039826(Top 37%)8019(Top 53%)8019(Top 152%)
25K15.53 mi2.42 mi14739+26010173+12510173+12513479(Top 51%)9548(Top 63%)9548(Top 181%)
30K18.64 mi3.11 mi14128+6119893+2809893+28011263(Top 42%)8481(Top 56%)8481(Top 160%)
20M20.00 mi1.36 mi13615+5139670+2239670+2237944(Top 30%)6570(Top 43%)6570(Top 124%)
21M21.00 mi1.00 mi13234+3819507+1639507+1637795(Top 29%)6378(Top 42%)6378(Top 121%)
35K21.75 mi0.75 mi12999+2359376+1319376+1317656(Top 29%)6298(Top 41%)6298(Top 119%)
23M23.00 mi1.25 mi12781+2189266+1109266+1109299(Top 35%)7131(Top 47%)7131(Top 135%)
24M24.00 mi1.00 mi12811-309253+139253+1313610(Top 51%)9134(Top 60%)9134(Top 173%)
40K24.85 mi0.85 mi12794+179229+249229+2412567(Top 47%)8575(Top 57%)8575(Top 162%)
25.2M25.20 mi0.35 mi12773+219212+179212+1711848(Top 45%)8191(Top 54%)8191(Top 155%)
Finish26.22 mi1.02 mi12744+299180+329180+3211968(Top 45%)8266(Top 54%)8266(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15556

Males

10518

M18-39

10518

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17117

Males

11149

M18-39

11149

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15556

Males

10518

M18-39

10518

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15453

Males

10433

M18-39

10433

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9826

Males

8019

M18-39

8019

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13479

Males

9548

M18-39

9548

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11263

Males

8481

M18-39

8481

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7944

Males

6570

M18-39

6570

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7795

Males

6378

M18-39

6378

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7656

Males

6298

M18-39

6298

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9299

Males

7131

M18-39

7131

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13610

Males

9134

M18-39

9134

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12567

Males

8575

M18-39

8575

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11848

Males

8191

M18-39

8191

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11968

Males

8266

M18-39

8266

Passing Analysis

Category:
Athletes Passed
3051
Passed By
2986
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12809
5K → 10K82230-2222#12809#15031
10K → 15K117283-166#15031#15197
15K → 20K151232-81#15197#15278
20K → Half2790+279#15278#14999
Half → 25K28626+260#14999#14739
25K → 30K6132+611#14739#14128
30K → 20M5130+513#14128#13615
20M → 21M3821+381#13615#13234
21M → 35K2350+235#13234#12999
35K → 23M2268+218#12999#12781
23M → 24M6494-30#12781#12811
24M → 40K6548+17#12811#12794
40K → 25.2M4120+21#12794#12773
25.2M → Finish7142+29#12773#12744
TOTALS30512986+65
📊

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