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BOSTON MARATHON 2023

Cesar Cardona Kafruni

Bib: 1164•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:12
Rank: #468
Start → 5K
18:12 | 5:51/mi
10K· 6.21 mi
36:35
Rank: #528 (-60)
5K → 10K
18:23 | 5:55/mi
15K· 9.32 mi
55:00
Rank: #542 (-14)
10K → 15K
18:25 | 5:56/mi
20K· 12.43 mi
1:14:03
Rank: #593 (-51)
15K → 20K
19:03 | 6:08/mi
Half· 13.11 mi
1:18:09
Rank: #605 (-12)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:32:58
Rank: #602 (+3)
Half → 25K
14:49 | 6:07/mi
30K· 18.64 mi
1:52:18
Rank: #618 (-16)
25K → 30K
19:20 | 6:13/mi
20M
2:00:38
Rank: #603 (+15)
30K → 20M
8:20 | 6:08/mi
21M
2:07:06
Rank: #597 (+6)
20M → 21M
6:28 | 6:28/mi
35K· 21.75 mi
2:11:21
Rank: #572 (+25)
21M → 35K
4:15 | 5:41/mi
23M
2:18:44
Rank: #541 (+31)
35K → 23M
7:23 | 5:54/mi
24M
2:24:24
Rank: #504 (+37)
23M → 24M
5:40 | 5:40/mi
40K· 24.85 mi
2:29:27
Rank: #487 (+17)
24M → 40K
5:03 | 5:54/mi
25.2M
2:31:39
Rank: #478 (+9)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:37:25
Rank: #454 (+24)
25.2M → Finish
5:46 | 5:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:09
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:19:16
Pace6:03 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2718:125:5118:12
5:51
-
10K
6.21 mi10:36:5036:355:5318:23
5:55
+0:04
15K
9.32 mi10:55:1555:005:5418:25
5:56
+0:01
20K
12.43 mi11:14:181:14:035:5819:03
6:08
+0:12
Half
13.11 mi11:18:241:18:095:584:06
6:01
-0:07
25K
15.53 mi11:33:131:32:585:5914:49
6:07
+0:06
30K
18.64 mi11:52:331:52:186:0119:20
6:13
+0:06
20M
20.00 mi12:00:532:00:386:028:20
6:08
-0:05
21M
21.00 mi12:07:212:07:066:036:28
6:28
+0:20
35K
21.75 mi12:11:362:11:216:024:15
5:41
-0:47
23M
23.00 mi12:18:592:18:446:027:23
5:54
+0:13
24M
24.00 mi12:24:392:24:246:015:40
5:40
-0:14
40K
24.85 mi12:29:422:29:276:015:03
5:54
+0:14
25.2M
25.20 mi12:31:542:31:396:012:12
6:23
+0:29
Finish
26.22 mi12:37:402:37:256:005:46
5:40
-0:43

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

5:40 /mi

Average Pace

6:00 /mi

Slowest Pace

6:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:45

94% of race

Time at Steady Pace

8:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:18:2718:125:5118:12
5:51
#468
10K
6.21 mi10:36:5036:355:5318:23
5:55
#528
15K
9.32 mi10:55:1555:005:5418:25
5:56
#542
20K
12.43 mi11:14:181:14:035:5819:03
6:08
#593
Half
13.11 mi11:18:241:18:095:584:06
6:01
#605
25K
15.53 mi11:33:131:32:585:5914:49
6:07
#602
30K
18.64 mi11:52:331:52:186:0119:20
6:13
#618
20M
20.00 mi12:00:532:00:386:028:20
6:08
#603
21M
21.00 mi12:07:212:07:066:036:28
6:28
#597
35K
21.75 mi12:11:362:11:216:024:15
5:41
#572
23M
23.00 mi12:18:592:18:446:027:23
5:54
#541
24M
24.00 mi12:24:392:24:246:015:40
5:40
#504
40K
24.85 mi12:29:422:29:276:015:03
5:54
#487
25.2M
25.20 mi12:31:542:31:396:012:12
6:23
#478
Finish
26.22 mi12:37:402:37:256:005:46
5:40
#454
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi468433433562(Top 2%)519(Top 3%)519(Top 10%)
10K6.21 mi3.10 mi528-60486-53486-53617(Top 2%)574(Top 4%)574(Top 11%)
15K9.32 mi3.11 mi542-14500-14500-14562(Top 2%)519(Top 3%)519(Top 10%)
20K12.43 mi3.11 mi593-51550-50550-50855(Top 3%)810(Top 5%)810(Top 15%)
Half13.11 mi0.68 mi605-12562-12562-12755(Top 3%)714(Top 5%)714(Top 14%)
25K15.53 mi2.42 mi602+3561+1561+1766(Top 3%)725(Top 5%)725(Top 14%)
30K18.64 mi3.11 mi618-16577-16577-16729(Top 3%)692(Top 5%)692(Top 13%)
20M20.00 mi1.36 mi603+15563+14563+14530(Top 2%)496(Top 3%)496(Top 9%)
21M21.00 mi1.00 mi597+6557+6557+6585(Top 2%)550(Top 4%)550(Top 10%)
35K21.75 mi0.75 mi572+25532+25532+25210(Top 0.8%)187(Top 1%)187(Top 4%)
23M23.00 mi1.25 mi541+31503+29503+29211(Top 0.8%)187(Top 1%)187(Top 4%)
24M24.00 mi1.00 mi504+37467+36467+36155(Top 0.6%)136(Top 0.9%)136(Top 3%)
40K24.85 mi0.85 mi487+17451+16451+16228(Top 0.9%)205(Top 1%)205(Top 4%)
25.2M25.20 mi0.35 mi478+9442+9442+9323(Top 1%)302(Top 2%)302(Top 6%)
Finish26.22 mi1.02 mi454+24419+23419+23195(Top 0.7%)179(Top 1%)179(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

562

Males

519

M18-39

519

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

617

Males

574

M18-39

574

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

562

Males

519

M18-39

519

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

855

Males

810

M18-39

810

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

755

Males

714

M18-39

714

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

766

Males

725

M18-39

725

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

729

Males

692

M18-39

692

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

530

Males

496

M18-39

496

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

585

Males

550

M18-39

550

21M→35K

21.0 - 21.8 mi

Top 0.8%
×7stories
+17ft-86ft

Overall

210

Males

187

M18-39

187

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5stories
+23ft-63ft

Overall

211

Males

187

M18-39

187

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

155

Males

136

M18-39

136

24M→40K

24.0 - 24.9 mi

Top 0.9%
×1story
+6ft-20ft

Overall

228

Males

205

M18-39

205

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

323

Males

302

M18-39

302

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

195

Males

179

M18-39

179

Passing Analysis

Category:
Athletes Passed
239
Passed By
225
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#468
5K → 10K868-60#468#528
10K → 15K1226-14#528#542
15K → 20K859-51#542#593
20K → Half113-12#593#605
Half → 25K1714+3#605#602
25K → 30K1632-16#602#618
30K → 20M238+15#618#603
20M → 21M82+6#603#597
21M → 35K250+25#597#572
35K → 23M321+31#572#541
23M → 24M370+37#541#504
24M → 40K181+17#504#487
40K → 25.2M90+9#487#478
25.2M → Finish251+24#478#454
TOTALS239225+14
📊

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