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BOSTON MARATHON 2023

Alessandro Belloni

Bib: 6196•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M50-54)
#0 / 2052
Top 11%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:21
Rank: #5326
Start → 5K
21:21 | 6:52/mi
10K· 6.21 mi
42:38
Rank: #5503 (-177)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:53
Rank: #5507 (-4)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:25:22
Rank: #5474 (+33)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:30:05
Rank: #5523 (-49)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:46:56
Rank: #5467 (+56)
Half → 25K
16:51 | 6:57/mi
30K· 18.64 mi
2:09:05
Rank: #5359 (+108)
25K → 30K
22:09 | 7:08/mi
20M
2:18:57
Rank: #5334 (+25)
30K → 20M
9:52 | 7:16/mi
21M
2:26:41
Rank: #5320 (+14)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:31:51
Rank: #5276 (+44)
21M → 35K
5:10 | 6:54/mi
23M
2:40:56
Rank: #5214 (+62)
35K → 23M
9:05 | 7:15/mi
24M
2:48:05
Rank: #5166 (+48)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:54:18
Rank: #5126 (+40)
24M → 40K
6:13 | 7:16/mi
25.2M
2:57:03
Rank: #5117 (+9)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:04:26
Rank: #5142 (-25)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:05
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:34:21
Pace7:12 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2221:216:5221:21
6:52
-
10K
6.21 mi10:45:3942:386:5221:17
6:51
-0:01
15K
9.32 mi11:06:541:03:536:5121:15
6:50
-0:01
20K
12.43 mi11:28:231:25:226:5221:29
6:55
+0:05
Half
13.11 mi11:33:061:30:056:524:43
6:55
0:00
25K
15.53 mi11:49:571:46:566:5316:51
6:57
+0:02
30K
18.64 mi12:12:062:09:056:5522:09
7:08
+0:11
20M
20.00 mi12:21:582:18:576:579:52
7:16
+0:08
21M
21.00 mi12:29:422:26:416:597:44
7:44
+0:28
35K
21.75 mi12:34:522:31:516:595:10
6:54
-0:50
23M
23.00 mi12:43:572:40:567:009:05
7:15
+0:21
24M
24.00 mi12:51:062:48:057:007:09
7:09
-0:06
40K
24.85 mi12:57:192:54:187:016:13
7:16
+0:07
25.2M
25.20 mi13:00:042:57:037:022:45
7:58
+0:42
Finish
26.22 mi13:07:273:04:267:027:23
7:15
-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

6:50 /mi

Average Pace

7:02 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:57

94% of race

Time at Steady Pace

10:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi10:24:2221:216:5221:21
6:52
#5326
10K
6.21 mi10:45:3942:386:5221:17
6:51
#5503
15K
9.32 mi11:06:541:03:536:5121:15
6:50
#5507
20K
12.43 mi11:28:231:25:226:5221:29
6:55
#5474
Half
13.11 mi11:33:061:30:056:524:43
6:55
#5523
25K
15.53 mi11:49:571:46:566:5316:51
6:57
#5467
30K
18.64 mi12:12:062:09:056:5522:09
7:08
#5359
20M
20.00 mi12:21:582:18:576:579:52
7:16
#5334
21M
21.00 mi12:29:422:26:416:597:44
7:44
#5320
35K
21.75 mi12:34:522:31:516:595:10
6:54
#5276
23M
23.00 mi12:43:572:40:567:009:05
7:15
#5214
24M
24.00 mi12:51:062:48:057:007:09
7:09
#5166
40K
24.85 mi12:57:192:54:187:016:13
7:16
#5126
25.2M
25.20 mi13:00:042:57:037:022:45
7:58
#5117
Finish
26.22 mi13:07:273:04:267:027:23
7:15
#5142
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5326492449245476(Top 21%)5045(Top 33%)5045(Top 246%)
10K6.21 mi3.10 mi5503-1775077-1535077-1535744(Top 22%)5256(Top 35%)5256(Top 256%)
15K9.32 mi3.11 mi5507-45080-35080-35476(Top 21%)5045(Top 33%)5045(Top 246%)
20K12.43 mi3.11 mi5474+335051+295051+295437(Top 20%)5018(Top 33%)5018(Top 245%)
Half13.11 mi0.68 mi5523-495097-465097-466027(Top 23%)5497(Top 36%)5497(Top 268%)
25K15.53 mi2.42 mi5467+565046+515046+515287(Top 20%)4874(Top 32%)4874(Top 238%)
30K18.64 mi3.11 mi5359+1084945+1014945+1015081(Top 19%)4667(Top 31%)4667(Top 227%)
20M20.00 mi1.36 mi5334+254921+244921+245415(Top 20%)4854(Top 32%)4854(Top 237%)
21M21.00 mi1.00 mi5320+144898+234898+235778(Top 22%)5030(Top 33%)5030(Top 245%)
35K21.75 mi0.75 mi5276+444854+444854+444814(Top 18%)4350(Top 29%)4350(Top 212%)
23M23.00 mi1.25 mi5214+624792+624792+625060(Top 19%)4509(Top 30%)4509(Top 220%)
24M24.00 mi1.00 mi5166+484745+474745+475453(Top 20%)4742(Top 31%)4742(Top 231%)
40K24.85 mi0.85 mi5126+404707+384707+385236(Top 20%)4497(Top 30%)4497(Top 219%)
25.2M25.20 mi0.35 mi5117+94698+94698+96265(Top 24%)5101(Top 34%)5101(Top 249%)
Finish26.22 mi1.02 mi5142-254711-134711-136693(Top 25%)5366(Top 35%)5366(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5476

Males

5045

M50-54

5045

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5744

Males

5256

M50-54

5256

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5476

Males

5045

M50-54

5045

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5437

Males

5018

M50-54

5018

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6027

Males

5497

M50-54

5497

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5287

Males

4874

M50-54

4874

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5081

Males

4667

M50-54

4667

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5415

Males

4854

M50-54

4854

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5778

Males

5030

M50-54

5030

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4814

Males

4350

M50-54

4350

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5060

Males

4509

M50-54

4509

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5453

Males

4742

M50-54

4742

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5236

Males

4497

M50-54

4497

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6265

Males

5101

M50-54

5101

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6693

Males

5366

M50-54

5366

Passing Analysis

Category:
Athletes Passed
1140
Passed By
956
Net Change
+184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5326
5K → 10K133310-177#5326#5503
10K → 15K119123-4#5503#5507
15K → 20K11077+33#5507#5474
20K → Half453-49#5474#5523
Half → 25K10650+56#5523#5467
25K → 30K18173+108#5467#5359
30K → 20M7348+25#5359#5334
20M → 21M6046+14#5334#5320
21M → 35K6016+44#5320#5276
35K → 23M9230+62#5276#5214
23M → 24M7729+48#5214#5166
24M → 40K6828+40#5166#5126
40K → 25.2M2314+9#5126#5117
25.2M → Finish3459-25#5117#5142
TOTALS1140956+184
📊

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