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BOSTON MARATHON 2023

Alexandre Calderano

Bib: 4378•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
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
20:24
Rank: #2661
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
40:28
Rank: #2605 (+56)
5K → 10K
20:04 | 6:28/mi
15K· 9.32 mi
1:00:54
Rank: #2726 (-121)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:50
Rank: #2978 (-252)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:26:26
Rank: #3046 (-68)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:43:16
Rank: #3345 (-299)
Half → 25K
16:50 | 6:57/mi
30K· 18.64 mi
2:08:50
Rank: #5266 (-1921)
25K → 30K
25:34 | 8:14/mi
20M
2:21:36
Rank: #6122 (-856)
30K → 20M
12:46 | 9:24/mi
21M
2:34:30
Rank: #7579 (-1457)
20M → 21M
12:54 | 12:54/mi
35K· 21.75 mi
2:43:27
Rank: #8752 (-1173)
21M → 35K
8:57 | 11:58/mi
23M
2:56:44
Rank: #9879 (-1127)
35K → 23M
13:17 | 10:37/mi
24M
3:06:00
Rank: #10342 (-463)
23M → 24M
9:16 | 9:16/mi
40K· 24.85 mi
3:14:21
Rank: #10789 (-447)
24M → 40K
8:21 | 9:46/mi
25.2M
3:18:14
Rank: #11056 (-267)
40K → 25.2M
3:53 | 11:16/mi
Finish· 26.22 mi
3:28:44
Rank: #11868 (-812)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:26
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time2:02:18
Pace9:20 /mi
📊Positive Split: 41.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3020:246:3420:24
6:34
-
10K
6.21 mi10:42:3440:286:3120:04
6:28
-0:06
15K
9.32 mi11:03:001:00:546:3220:26
6:35
+0:07
20K
12.43 mi11:23:561:21:506:3520:56
6:44
+0:09
Half
13.11 mi11:28:321:26:266:364:36
6:45
+0:01
25K
15.53 mi11:45:221:43:166:3916:50
6:57
+0:12
30K
18.64 mi12:10:562:08:506:5525:34
8:14
+1:17
20M
20.00 mi12:23:422:21:367:0512:46
9:24
+1:10
21M
21.00 mi12:36:362:34:307:2112:54
12:54
+3:30
35K
21.75 mi12:45:332:43:277:318:57
11:58
-0:56
23M
23.00 mi12:58:502:56:447:4113:17
10:37
-1:21
24M
24.00 mi13:08:063:06:007:459:16
9:16
-1:21
40K
24.85 mi13:16:273:14:217:498:21
9:46
+0:30
25.2M
25.20 mi13:20:203:18:147:523:53
11:16
+1:30
Finish
26.22 mi13:30:503:28:447:5810:30
10:18
-0:58

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

6:28 /mi

Average Pace

7:58 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:16

49% of race

Time at Steady Pace

1:06:27

32% of race

Time at Slower Pace

39:01

19% of race

Average Pace: 7:58 /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 mi10:22:3020:246:3420:24
6:34
#2661
10K
6.21 mi10:42:3440:286:3120:04
6:28
#2605
15K
9.32 mi11:03:001:00:546:3220:26
6:35
#2726
20K
12.43 mi11:23:561:21:506:3520:56
6:44
#2978
Half
13.11 mi11:28:321:26:266:364:36
6:45
#3046
25K
15.53 mi11:45:221:43:166:3916:50
6:57
#3345
30K
18.64 mi12:10:562:08:506:5525:34
8:14
#5266
20M
20.00 mi12:23:422:21:367:0512:46
9:24
#6122
21M
21.00 mi12:36:362:34:307:2112:54
12:54
#7579
35K
21.75 mi12:45:332:43:277:318:57
11:58
#8752
23M
23.00 mi12:58:502:56:447:4113:17
10:37
#9879
24M
24.00 mi13:08:063:06:007:459:16
9:16
#10342
40K
24.85 mi13:16:273:14:217:498:21
9:46
#10789
25.2M
25.20 mi13:20:203:18:147:523:53
11:16
#11056
Finish
26.22 mi13:30:503:28:447:5810:30
10:18
#11868
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2661253525353128(Top 12%)2982(Top 20%)2982(Top 56%)
10K6.21 mi3.10 mi2605+562485+502485+502570(Top 10%)2457(Top 16%)2457(Top 46%)
15K9.32 mi3.11 mi2726-1212603-1182603-1183128(Top 12%)2982(Top 20%)2982(Top 56%)
20K12.43 mi3.11 mi2978-2522843-2402843-2403891(Top 15%)3671(Top 24%)3671(Top 69%)
Half13.11 mi0.68 mi3046-682907-642907-644838(Top 18%)4500(Top 30%)4500(Top 85%)
25K15.53 mi2.42 mi3345-2993179-2723179-2725259(Top 20%)4851(Top 32%)4851(Top 92%)
30K18.64 mi3.11 mi5266-19214868-16894868-168912526(Top 47%)9027(Top 59%)9027(Top 171%)
20M20.00 mi1.36 mi6122-8565544-6765544-67618422(Top 69%)11413(Top 75%)11413(Top 216%)
21M21.00 mi1.00 mi7579-14576570-10266570-102623964(Top 90%)13874(Top 91%)13874(Top 263%)
35K21.75 mi0.75 mi8752-11737306-7367306-73624641(Top 93%)14139(Top 93%)14139(Top 268%)
23M23.00 mi1.25 mi9879-11277927-6217927-62121569(Top 81%)12716(Top 84%)12716(Top 241%)
24M24.00 mi1.00 mi10342-4638134-2078134-20718301(Top 69%)11214(Top 74%)11214(Top 212%)
40K24.85 mi0.85 mi10789-4478331-1978331-19719237(Top 72%)11583(Top 76%)11583(Top 219%)
25.2M25.20 mi0.35 mi11056-2678446-1158446-11521002(Top 79%)12375(Top 82%)12375(Top 234%)
Finish26.22 mi1.02 mi11868-8128804-3588804-35822546(Top 85%)13105(Top 86%)13105(Top 248%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3128

Males

2982

M18-39

2982

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2570

Males

2457

M18-39

2457

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3128

Males

2982

M18-39

2982

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3891

Males

3671

M18-39

3671

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4838

Males

4500

M18-39

4500

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5259

Males

4851

M18-39

4851

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12526

Males

9027

M18-39

9027

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

18422

Males

11413

M18-39

11413

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23964

Males

13874

M18-39

13874

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24641

Males

14139

M18-39

14139

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21569

Males

12716

M18-39

12716

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

18301

Males

11214

M18-39

11214

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19237

Males

11583

M18-39

11583

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

21002

Males

12375

M18-39

12375

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22546

Males

13105

M18-39

13105

Passing Analysis

Category:
Athletes Passed
296
Passed By
9501
Net Change
-9207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2661
5K → 10K177121+56#2661#2605
10K → 15K37158-121#2605#2726
15K → 20K20272-252#2726#2978
20K → Half371-68#2978#3046
Half → 25K16315-299#3046#3345
25K → 30K01921-1921#3345#5266
30K → 20M4860-856#5266#6122
20M → 21M01457-1457#6122#7579
21M → 35K11174-1173#7579#8752
35K → 23M31130-1127#8752#9879
23M → 24M12473-463#9879#10342
24M → 40K12459-447#10342#10789
40K → 25.2M4271-267#10789#11056
25.2M → Finish7819-812#11056#11868
TOTALS2969501-9207
📊

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