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BOSTON MARATHON 2023

Gabriel Belforti

Bib: 13654•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #11337
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
48:14
Rank: #12372 (-1035)
5K → 10K
24:21 | 7:50/mi
15K· 9.32 mi
1:12:44
Rank: #12708 (-336)
10K → 15K
24:30 | 7:53/mi
20K· 12.43 mi
1:38:42
Rank: #13631 (-923)
15K → 20K
25:58 | 8:21/mi
Half· 13.11 mi
1:44:23
Rank: #13801 (-170)
20K → Half
5:41 | 8:20/mi
25K· 15.53 mi
2:06:28
Rank: #14922 (-1121)
Half → 25K
22:05 | 9:06/mi
30K· 18.64 mi
2:34:39
Rank: #15439 (-517)
25K → 30K
28:11 | 9:04/mi
20M
2:47:32
Rank: #15717 (-278)
30K → 20M
12:53 | 9:29/mi
21M
2:58:07
Rank: #16064 (-347)
20M → 21M
10:35 | 10:35/mi
35K· 21.75 mi
3:05:09
Rank: #16236 (-172)
21M → 35K
7:02 | 9:24/mi
23M
3:18:37
Rank: #16797 (-561)
35K → 23M
13:28 | 10:45/mi
24M
3:29:15
Rank: #17212 (-415)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
3:38:12
Rank: #17474 (-262)
24M → 40K
8:57 | 10:28/mi
25.2M
3:42:17
Rank: #17650 (-176)
40K → 25.2M
4:05 | 11:50/mi
Finish· 26.22 mi
3:53:11
Rank: #18011 (-361)
25.2M → Finish
10:54 | 10:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:23
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:08:48
Pace9:50 /mi
📊Positive Split: 23.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3723:537:4123:53
7:41
-
10K
6.21 mi11:16:5848:147:4624:21
7:50
+0:09
15K
9.32 mi11:41:281:12:447:4824:30
7:53
+0:03
20K
12.43 mi12:07:261:38:427:5725:58
8:21
+0:28
Half
13.11 mi12:13:071:44:237:585:41
8:20
-0:01
25K
15.53 mi12:35:122:06:288:0822:05
9:06
+0:46
30K
18.64 mi13:03:232:34:398:1828:11
9:04
-0:02
20M
20.00 mi13:16:162:47:328:2312:53
9:29
+0:25
21M
21.00 mi13:26:512:58:078:2910:35
10:35
+1:06
35K
21.75 mi13:33:533:05:098:317:02
9:24
-1:11
23M
23.00 mi13:47:213:18:378:3813:28
10:45
+1:21
24M
24.00 mi13:57:593:29:158:4310:38
10:38
-0:07
40K
24.85 mi14:06:563:38:128:478:57
10:28
-0:10
25.2M
25.20 mi14:11:013:42:178:494:05
11:50
+1:22
Finish
26.22 mi14:21:553:53:118:5410:54
10:42
-1:08

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

7:41 /mi

Average Pace

8:54 /mi

Slowest Pace

11:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:23

45% of race

Time at Steady Pace

1:10:11

30% of race

Time at Slower Pace

58:37

25% of race

Average Pace: 8:54 /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 mi10:52:3723:537:4123:53
7:41
#11337
10K
6.21 mi11:16:5848:147:4624:21
7:50
#12372
15K
9.32 mi11:41:281:12:447:4824:30
7:53
#12708
20K
12.43 mi12:07:261:38:427:5725:58
8:21
#13631
Half
13.11 mi12:13:071:44:237:585:41
8:20
#13801
25K
15.53 mi12:35:122:06:288:0822:05
9:06
#14922
30K
18.64 mi13:03:232:34:398:1828:11
9:04
#15439
20M
20.00 mi13:16:162:47:328:2312:53
9:29
#15717
21M
21.00 mi13:26:512:58:078:2910:35
10:35
#16064
35K
21.75 mi13:33:533:05:098:317:02
9:24
#16236
23M
23.00 mi13:47:213:18:378:3813:28
10:45
#16797
24M
24.00 mi13:57:593:29:158:4310:38
10:38
#17212
40K
24.85 mi14:06:563:38:128:478:57
10:28
#17474
25.2M
25.20 mi14:11:013:42:178:494:05
11:50
#17650
Finish
26.22 mi14:21:553:53:118:5410:54
10:42
#18011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi113378820882013400(Top 50%)9660(Top 64%)9660(Top 471%)
10K6.21 mi3.10 mi12372-10359271-4519271-45113450(Top 51%)9749(Top 64%)9749(Top 475%)
15K9.32 mi3.11 mi12708-3369404-1339404-13313400(Top 50%)9660(Top 64%)9660(Top 471%)
20K12.43 mi3.11 mi13631-9239748-3449748-34415985(Top 60%)10633(Top 70%)10633(Top 518%)
Half13.11 mi0.68 mi13801-1709822-749822-7416649(Top 63%)10951(Top 72%)10951(Top 534%)
25K15.53 mi2.42 mi14922-112110244-42210244-42219435(Top 73%)12021(Top 79%)12021(Top 586%)
30K18.64 mi3.11 mi15439-51710383-13910383-13917540(Top 66%)11142(Top 73%)11142(Top 543%)
20M20.00 mi1.36 mi15717-27810478-9510478-9518778(Top 71%)11578(Top 76%)11578(Top 564%)
21M21.00 mi1.00 mi16064-34710592-11410592-11419832(Top 74%)11972(Top 79%)11972(Top 583%)
35K21.75 mi0.75 mi16236-17210647-5510647-5519514(Top 73%)11820(Top 78%)11820(Top 576%)
23M23.00 mi1.25 mi16797-56110877-23010877-23021871(Top 82%)12841(Top 85%)12841(Top 626%)
24M24.00 mi1.00 mi17212-41511033-15611033-15622289(Top 84%)13011(Top 86%)13011(Top 634%)
40K24.85 mi0.85 mi17474-26211128-9511128-9521114(Top 79%)12410(Top 82%)12410(Top 605%)
25.2M25.20 mi0.35 mi17650-17611196-6811196-6822190(Top 83%)12931(Top 85%)12931(Top 630%)
Finish26.22 mi1.02 mi18011-36111332-13611332-13623401(Top 88%)13519(Top 89%)13519(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13400

Males

9660

M50-54

9660

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13450

Males

9749

M50-54

9749

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13400

Males

9660

M50-54

9660

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15985

Males

10633

M50-54

10633

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16649

Males

10951

M50-54

10951

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19435

Males

12021

M50-54

12021

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17540

Males

11142

M50-54

11142

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18778

Males

11578

M50-54

11578

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19832

Males

11972

M50-54

11972

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19514

Males

11820

M50-54

11820

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21871

Males

12841

M50-54

12841

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22289

Males

13011

M50-54

13011

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21114

Males

12410

M50-54

12410

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22190

Males

12931

M50-54

12931

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

23401

Males

13519

M50-54

13519

Passing Analysis

Category:
Athletes Passed
385
Passed By
7059
Net Change
-6674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11337
5K → 10K571092-1035#11337#12372
10K → 15K98434-336#12372#12708
15K → 20K37960-923#12708#13631
20K → Half6176-170#13631#13801
Half → 25K181139-1121#13801#14922
25K → 30K62579-517#14922#15439
30K → 20M30308-278#15439#15717
20M → 21M20367-347#15717#16064
21M → 35K20192-172#16064#16236
35K → 23M8569-561#16236#16797
23M → 24M8423-415#16797#17212
24M → 40K12274-262#17212#17474
40K → 25.2M5181-176#17474#17650
25.2M → Finish4365-361#17650#18011
TOTALS3857059-6674
📊

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