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BOSTON MARATHON 2023

Julian Letizia

Bib: 3807•M

TN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Male)
#0 / 15176
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
6:32/mi
20:19
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:21
↑ 79↓ 1380.4%
15K· 9.32 mi
6:27/mi
1:00:22
↑ 67↓ 78
20K· 12.43 mi
6:38/mi
1:20:59
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:25:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
1:46:30
↑ 66↓ 880.2%
30K· 18.64 mi
10:46/mi
2:19:58
↑ 181↓ 1480.2%
20M
8:59/mi
2:32:10
↑ 64↓ 500.2%
21M
8:40/mi
2:40:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
2:47:24
↑ 17↓ 861.7%
23M
9:07/mi
2:58:49
↑ 23↓ 630.6%
24M
8:13/mi
3:07:02
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:14:52
↓ 200.3%
25.2M
10:41/mi
3:18:33
↑ 13↓ 160.2%
Finish· 26.22 mi
8:15/mi
3:26:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:34
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time2:01:23
Pace9:16 /mi
📊Positive Split: 41.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0020:196:3220:19
6:32
-
10K
6.21 mi10:42:0240:216:3020:02
6:27
-0:05
15K
9.32 mi11:02:031:00:226:2920:01
6:27
0:00
20K
12.43 mi11:22:401:20:596:3120:37
6:38
+0:11
Half
13.11 mi11:27:151:25:346:324:35
6:43
+0:05
25K
15.53 mi11:48:111:46:306:5120:56
8:38
+1:55
30K
18.64 mi12:21:392:19:587:3133:28
10:46
+2:08
20M
20.00 mi12:33:512:32:107:3612:12
8:59
-1:47
21M
21.00 mi12:42:312:40:507:408:40
8:40
-0:19
35K
21.75 mi12:49:052:47:247:426:34
8:47
+0:07
23M
23.00 mi13:00:302:58:497:4611:25
9:07
+0:20
24M
24.00 mi13:08:433:07:027:488:13
8:13
-0:54
40K
24.85 mi13:16:333:14:527:507:50
9:10
+0:57
25.2M
25.20 mi13:20:143:18:337:533:41
10:41
+1:31
Finish
26.22 mi13:28:383:26:577:548:24
8:15
-2:26

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

6:27 /mi

Average Pace

7:54 /mi

Slowest Pace

10:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:34

41% of race

Time at Steady Pace

1:24:14

41% of race

Time at Slower Pace

37:09

18% of race

Average Pace: 7:54 /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 mi10:22:0020:196:3220:19
6:32
#2506
10K
6.21 mi10:42:0240:216:3020:02
6:27
#2465
15K
9.32 mi11:02:031:00:226:2920:01
6:27
#2427
20K
12.43 mi11:22:401:20:596:3120:37
6:38
#2548
Half
13.11 mi11:27:151:25:346:324:35
6:43
#2626
25K
15.53 mi11:48:111:46:306:5120:56
8:38
#5247
30K
18.64 mi12:21:392:19:587:3133:28
10:46
#9219
20M
20.00 mi12:33:512:32:107:3612:12
8:59
#9801
21M
21.00 mi12:42:312:40:507:408:40
8:40
#9884
35K
21.75 mi12:49:052:47:247:426:34
8:47
#10169
23M
23.00 mi13:00:302:58:497:4611:25
9:07
#10600
24M
24.00 mi13:08:433:07:027:488:13
8:13
#10689
40K
24.85 mi13:16:333:14:527:507:50
9:10
#10963
25.2M
25.20 mi13:20:143:18:337:533:41
10:41
#11164
Finish
26.22 mi13:28:383:26:577:548:24
8:15
#11271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2506239223922335(Top 9%)2242(Top 15%)2242(Top 42%)
10K6.21 mi3.10 mi2465+412352+402352+402490(Top 9%)2381(Top 16%)2381(Top 45%)
15K9.32 mi3.11 mi2427+382323+292323+292335(Top 9%)2242(Top 15%)2242(Top 42%)
20K12.43 mi3.11 mi2548-1212438-1152438-1153090(Top 12%)2942(Top 19%)2942(Top 56%)
Half13.11 mi0.68 mi2626-782509-712509-714610(Top 17%)4302(Top 28%)4302(Top 81%)
25K15.53 mi2.42 mi5247-26214864-23554864-235516989(Top 64%)10964(Top 72%)10964(Top 207%)
30K18.64 mi3.11 mi9219-39727635-27717635-277122731(Top 85%)13392(Top 88%)13392(Top 253%)
20M20.00 mi1.36 mi9801-5827960-3257960-32516386(Top 62%)10557(Top 70%)10557(Top 200%)
21M21.00 mi1.00 mi9884-837979-197979-1911435(Top 43%)8312(Top 55%)8312(Top 157%)
35K21.75 mi0.75 mi10169-2858114-1358114-13516792(Top 63%)10600(Top 70%)10600(Top 201%)
23M23.00 mi1.25 mi10600-4318279-1658279-16516601(Top 62%)10494(Top 69%)10494(Top 199%)
24M24.00 mi1.00 mi10689-898303-248303-2412697(Top 48%)8712(Top 57%)8712(Top 165%)
40K24.85 mi0.85 mi10963-2748415-1128415-11216885(Top 63%)10521(Top 69%)10521(Top 199%)
25.2M25.20 mi0.35 mi11164-2018501-868501-8619598(Top 74%)11722(Top 77%)11722(Top 222%)
Finish26.22 mi1.02 mi11271-1078530-298530-2913693(Top 51%)9098(Top 60%)9098(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2335

Males

2242

M18-39

2242

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2490

Males

2381

M18-39

2381

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2335

Males

2242

M18-39

2242

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3090

Males

2942

M18-39

2942

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4610

Males

4302

M18-39

4302

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

16989

Males

10964

M18-39

10964

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22731

Males

13392

M18-39

13392

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16386

Males

10557

M18-39

10557

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11435

Males

8312

M18-39

8312

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16792

Males

10600

M18-39

10600

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16601

Males

10494

M18-39

10494

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12697

Males

8712

M18-39

8712

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16885

Males

10521

M18-39

10521

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19598

Males

11722

M18-39

11722

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13693

Males

9098

M18-39

9098

Passing Analysis

Category:
Athletes Passed
497
Passed By
9259
Net Change
-8765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2506
5K → 10K158117+41#2506#2465
10K → 15K9557+38#2465#2427
15K → 20K30151-121#2427#2548
20K → Half280-78#2548#2626
Half → 25K02621-2621#2626#5247
25K → 30K13973-3972#5247#9219
30K → 20M12594-582#9219#9801
20M → 21M65147-83#9801#9884
21M → 35K4287-285#9884#10169
35K → 23M21452-431#10169#10600
23M → 24M42131-89#10600#10689
24M → 40K21295-274#10689#10963
40K → 25.2M7208-201#10963#11164
25.2M → Finish39146-107#11164#11271
TOTALS4979259-8765
📊

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