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BOSTON MARATHON 2023

Leandro Cassol

Bib: 11850•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M45-49)
#0 / 2252
Top 40%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #6593
Start → 5K
7:03/mi
21:55 split
10K· 6.21 mi
43:29
Rank: #6485 (+108)
5K → 10K
6:56/mi
21:34 split
15K· 9.32 mi
1:05:12
Rank: #6482 (+3)
10K → 15K
6:59/mi
21:43 split
20K· 12.43 mi
1:26:55
Rank: #6319 (+163)
15K → 20K
6:59/mi
21:43 split
Half· 13.11 mi
1:31:39
Rank: #6313 (+6)
20K → Half
6:56/mi
4:44 split
25K· 15.53 mi
1:49:01
Rank: #6333 (-20)
Half → 25K
7:10/mi
17:22 split
30K· 18.64 mi
2:12:40
Rank: #6497 (-164)
25K → 30K
7:37/mi
23:39 split
20M
2:23:20
Rank: #6629 (-132)
30K → 20M
7:51/mi
10:40 split
21M
2:32:09
Rank: #6853 (-224)
20M → 21M
8:49/mi
8:49 split
35K· 21.75 mi
2:37:50
Rank: #6883 (-30)
21M → 35K
7:36/mi
5:41 split
23M
2:48:06
Rank: #7053 (-170)
35K → 23M
8:12/mi
10:16 split
24M
2:56:02
Rank: #7195 (-142)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:03:07
Rank: #7313 (-118)
24M → 40K
8:17/mi
7:05 split
25.2M
3:06:09
Rank: #7368 (-55)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:14:45
Rank: #7664 (-296)
25.2M → Finish
8:26/mi
8:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:39
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:43:06
Pace7:52 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4821:557:0321:55
7:03
-
10K
6.21 mi11:10:2243:297:0021:34
6:56
-0:07
15K
9.32 mi11:32:051:05:127:0021:43
6:59
+0:03
20K
12.43 mi11:53:481:26:557:0021:43
6:59
0:00
Half
13.11 mi11:58:321:31:396:594:44
6:56
-0:03
25K
15.53 mi12:15:541:49:017:0117:22
7:10
+0:14
30K
18.64 mi12:39:332:12:407:0723:39
7:37
+0:27
20M
20.00 mi12:50:132:23:207:1010:40
7:51
+0:14
21M
21.00 mi12:59:022:32:097:158:49
8:49
+0:58
35K
21.75 mi13:04:432:37:507:155:41
7:36
-1:13
23M
23.00 mi13:14:592:48:067:1910:16
8:12
+0:36
24M
24.00 mi13:22:552:56:027:207:56
7:56
-0:16
40K
24.85 mi13:30:003:03:077:227:05
8:17
+0:21
25.2M
25.20 mi13:33:023:06:097:233:02
8:48
+0:31
Finish
26.22 mi13:41:383:14:457:268:36
8:26
-0:22

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

6:56 /mi

Average Pace

7:26 /mi

Slowest Pace

8:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:01

56% of race

Time at Steady Pace

47:56

25% of race

Time at Slower Pace

37:48

19% of race

Average Pace: 7:26 /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 mi10:48:4821:557:0321:55
7:03
#6593
10K
6.21 mi11:10:2243:297:0021:34
6:56
#6485
15K
9.32 mi11:32:051:05:127:0021:43
6:59
#6482
20K
12.43 mi11:53:481:26:557:0021:43
6:59
#6319
Half
13.11 mi11:58:321:31:396:594:44
6:56
#6313
25K
15.53 mi12:15:541:49:017:0117:22
7:10
#6333
30K
18.64 mi12:39:332:12:407:0723:39
7:37
#6497
20M
20.00 mi12:50:132:23:207:1010:40
7:51
#6629
21M
21.00 mi12:59:022:32:097:158:49
8:49
#6853
35K
21.75 mi13:04:432:37:507:155:41
7:36
#6883
23M
23.00 mi13:14:592:48:067:1910:16
8:12
#7053
24M
24.00 mi13:22:552:56:027:207:56
7:56
#7195
40K
24.85 mi13:30:003:03:077:227:05
8:17
#7313
25.2M
25.20 mi13:33:023:06:097:233:02
8:48
#7368
Finish
26.22 mi13:41:383:14:457:268:36
8:26
#7664
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6593595859586491(Top 24%)5850(Top 39%)5850(Top 260%)
10K6.21 mi3.10 mi6485+1085859+995859+996430(Top 24%)5803(Top 38%)5803(Top 258%)
15K9.32 mi3.11 mi6482+35854+55854+56491(Top 24%)5850(Top 39%)5850(Top 260%)
20K12.43 mi3.11 mi6319+1635721+1335721+1335925(Top 22%)5416(Top 36%)5416(Top 240%)
Half13.11 mi0.68 mi6313+65716+55716+56228(Top 23%)5671(Top 37%)5671(Top 252%)
25K15.53 mi2.42 mi6333-205726-105726-106460(Top 24%)5772(Top 38%)5772(Top 256%)
30K18.64 mi3.11 mi6497-1645840-1145840-1148001(Top 30%)6685(Top 44%)6685(Top 297%)
20M20.00 mi1.36 mi6629-1325921-815921-819189(Top 35%)7293(Top 48%)7293(Top 324%)
21M21.00 mi1.00 mi6853-2246087-1666087-16612325(Top 46%)8717(Top 57%)8717(Top 387%)
35K21.75 mi0.75 mi6883-306095-86095-89191(Top 35%)7168(Top 47%)7168(Top 318%)
23M23.00 mi1.25 mi7053-1706188-936188-9311159(Top 42%)8042(Top 53%)8042(Top 357%)
24M24.00 mi1.00 mi7195-1426266-786266-7810736(Top 40%)7759(Top 51%)7759(Top 345%)
40K24.85 mi0.85 mi7313-1186325-596325-5911871(Top 45%)8250(Top 54%)8250(Top 366%)
25.2M25.20 mi0.35 mi7368-556343-186343-1811210(Top 42%)7873(Top 52%)7873(Top 350%)
Finish26.22 mi1.02 mi7664-2966525-1826525-18214951(Top 56%)9693(Top 64%)9693(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6491

Males

5850

M45-49

5850

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6430

Males

5803

M45-49

5803

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6491

Males

5850

M45-49

5850

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

5925

Males

5416

M45-49

5416

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6228

Males

5671

M45-49

5671

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6460

Males

5772

M45-49

5772

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8001

Males

6685

M45-49

6685

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9189

Males

7293

M45-49

7293

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

12325

Males

8717

M45-49

8717

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9191

Males

7168

M45-49

7168

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

11159

Males

8042

M45-49

8042

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10736

Males

7759

M45-49

7759

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11871

Males

8250

M45-49

8250

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11210

Males

7873

M45-49

7873

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14951

Males

9693

M45-49

9693

Passing Analysis

Category:
Athletes Passed
898
Passed By
1969
Net Change
-1071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6593
5K → 10K246138+108#6593#6485
10K → 15K123120+3#6485#6482
15K → 20K19431+163#6482#6319
20K → Half1913+6#6319#6313
Half → 25K6888-20#6313#6333
25K → 30K71235-164#6333#6497
30K → 20M27159-132#6497#6629
20M → 21M19243-224#6629#6853
21M → 35K2656-30#6853#6883
35K → 23M38208-170#6883#7053
23M → 24M24166-142#7053#7195
24M → 40K22140-118#7195#7313
40K → 25.2M863-55#7313#7368
25.2M → Finish13309-296#7368#7664
TOTALS8981969-1071
📊

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