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BOSTON MARATHON 2023

Carlos Belmonte

Bib: 2934•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
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
19:27
Rank: #1303
Start → 5K
19:27 | 6:16/mi
10K· 6.21 mi
39:35
Rank: #1858 (-555)
5K → 10K
20:08 | 6:29/mi
15K· 9.32 mi
1:00:21
Rank: #2412 (-554)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:22:05
Rank: #3121 (-709)
15K → 20K
21:44 | 7:00/mi
Half· 13.11 mi
1:26:44
Rank: #3207 (-86)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:44:15
Rank: #3874 (-667)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:07:33
Rank: #4690 (-816)
25K → 30K
23:18 | 7:30/mi
20M
2:17:56
Rank: #4966 (-276)
30K → 20M
10:23 | 7:38/mi
21M
2:26:30
Rank: #5262 (-296)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:32:18
Rank: #5405 (-143)
21M → 35K
5:48 | 7:45/mi
23M
2:42:24
Rank: #5592 (-187)
35K → 23M
10:06 | 8:04/mi
24M
2:50:32
Rank: #5774 (-182)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
2:57:40
Rank: #5924 (-150)
24M → 40K
7:08 | 8:21/mi
25.2M
3:00:56
Rank: #6023 (-99)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:07:56
Rank: #5919 (+104)
25.2M → Finish
7:00 | 6:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:41:12
Pace7:43 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0319:276:1619:27
6:16
-
10K
6.21 mi10:40:1139:356:2220:08
6:29
+0:13
15K
9.32 mi11:00:571:00:216:2820:46
6:41
+0:12
20K
12.43 mi11:22:411:22:056:3621:44
7:00
+0:19
Half
13.11 mi11:27:201:26:446:374:39
6:49
-0:11
25K
15.53 mi11:44:511:44:156:4317:31
7:13
+0:24
30K
18.64 mi12:08:092:07:336:5123:18
7:30
+0:17
20M
20.00 mi12:18:322:17:566:5410:23
7:38
+0:08
21M
21.00 mi12:27:062:26:306:598:34
8:34
+0:56
35K
21.75 mi12:32:542:32:187:005:48
7:45
-0:49
23M
23.00 mi12:43:002:42:247:0410:06
8:04
+0:19
24M
24.00 mi12:51:082:50:327:068:08
8:08
+0:04
40K
24.85 mi12:58:162:57:407:097:08
8:21
+0:13
25.2M
25.20 mi13:01:323:00:567:113:16
9:28
+1:07
Finish
26.22 mi13:08:323:07:567:107:00
6:52
-2:36

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

6:16 /mi

Average Pace

7:10 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:44

50% of race

Time at Steady Pace

57:00

30% of race

Time at Slower Pace

37:12

20% of race

Average Pace: 7:10 /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 mi10:20:0319:276:1619:27
6:16
#1303
10K
6.21 mi10:40:1139:356:2220:08
6:29
#1858
15K
9.32 mi11:00:571:00:216:2820:46
6:41
#2412
20K
12.43 mi11:22:411:22:056:3621:44
7:00
#3121
Half
13.11 mi11:27:201:26:446:374:39
6:49
#3207
25K
15.53 mi11:44:511:44:156:4317:31
7:13
#3874
30K
18.64 mi12:08:092:07:336:5123:18
7:30
#4690
20M
20.00 mi12:18:322:17:566:5410:23
7:38
#4966
21M
21.00 mi12:27:062:26:306:598:34
8:34
#5262
35K
21.75 mi12:32:542:32:187:005:48
7:45
#5405
23M
23.00 mi12:43:002:42:247:0410:06
8:04
#5592
24M
24.00 mi12:51:082:50:327:068:08
8:08
#5774
40K
24.85 mi12:58:162:57:407:097:08
8:21
#5924
25.2M
25.20 mi13:01:323:00:567:113:16
9:28
#6023
Finish
26.22 mi13:08:323:07:567:107:00
6:52
#5919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1303123712373993(Top 15%)3754(Top 25%)3754(Top 71%)
10K6.21 mi3.10 mi1858-5551778-5411778-5412686(Top 10%)2569(Top 17%)2569(Top 49%)
15K9.32 mi3.11 mi2412-5542310-5322310-5323993(Top 15%)3754(Top 25%)3754(Top 71%)
20K12.43 mi3.11 mi3121-7092973-6632973-6635954(Top 22%)5440(Top 36%)5440(Top 103%)
Half13.11 mi0.68 mi3207-863053-803053-805415(Top 20%)4998(Top 33%)4998(Top 95%)
25K15.53 mi2.42 mi3874-6673654-6013654-6016800(Top 26%)6005(Top 40%)6005(Top 114%)
30K18.64 mi3.11 mi4690-8164373-7194373-7197196(Top 27%)6189(Top 41%)6189(Top 117%)
20M20.00 mi1.36 mi4966-2764607-2344607-2347725(Top 29%)6410(Top 42%)6410(Top 121%)
21M21.00 mi1.00 mi5262-2964851-2444851-24410815(Top 41%)8012(Top 53%)8012(Top 152%)
35K21.75 mi0.75 mi5405-1434964-1134964-11310232(Top 38%)7725(Top 51%)7725(Top 146%)
23M23.00 mi1.25 mi5592-1875113-1495113-14910188(Top 38%)7569(Top 50%)7569(Top 143%)
24M24.00 mi1.00 mi5774-1825238-1255238-12512107(Top 45%)8433(Top 56%)8433(Top 160%)
40K24.85 mi0.85 mi5924-1505336-985336-9812280(Top 46%)8436(Top 56%)8436(Top 160%)
25.2M25.20 mi0.35 mi6023-995412-765412-7614957(Top 56%)9633(Top 63%)9633(Top 182%)
Finish26.22 mi1.02 mi5919+1045322+905322+904453(Top 17%)3886(Top 26%)3886(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3993

Males

3754

M18-39

3754

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2686

Males

2569

M18-39

2569

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3993

Males

3754

M18-39

3754

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

5954

Males

5440

M18-39

5440

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5415

Males

4998

M18-39

4998

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6800

Males

6005

M18-39

6005

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7196

Males

6189

M18-39

6189

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7725

Males

6410

M18-39

6410

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10815

Males

8012

M18-39

8012

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10232

Males

7725

M18-39

7725

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10188

Males

7569

M18-39

7569

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12107

Males

8433

M18-39

8433

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12280

Males

8436

M18-39

8436

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14957

Males

9633

M18-39

9633

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2stories
+22ft-21ft

Overall

4453

Males

3886

M18-39

3886

Passing Analysis

Category:
Athletes Passed
254
Passed By
4870
Net Change
-4616
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1303
5K → 10K1556-555#1303#1858
10K → 15K4558-554#1858#2412
15K → 20K4713-709#2412#3121
20K → Half288-86#3121#3207
Half → 25K9676-667#3207#3874
25K → 30K12828-816#3874#4690
30K → 20M22298-276#4690#4966
20M → 21M10306-296#4966#5262
21M → 35K7150-143#5262#5405
35K → 23M29216-187#5405#5592
23M → 24M14196-182#5592#5774
24M → 40K19169-150#5774#5924
40K → 25.2M3102-99#5924#6023
25.2M → Finish11814+104#6023#5919
TOTALS2544870-4616
📊

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