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BOSTON MARATHON 2023

Ariel Velasco

Bib: 17074•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:20
Rank: #15127
Start → 5K
25:20 | 8:09/mi
10K· 6.21 mi
49:57
Rank: #14668 (+459)
5K → 10K
24:37 | 7:55/mi
15K· 9.32 mi
1:14:48
Rank: #14534 (+134)
10K → 15K
24:51 | 8:00/mi
20K· 12.43 mi
1:39:50
Rank: #14355 (+179)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:45:20
Rank: #14369 (-14)
20K → Half
5:30 | 8:03/mi
25K· 15.53 mi
2:06:47
Rank: #15082 (-713)
Half → 25K
21:27 | 8:51/mi
30K· 18.64 mi
2:32:49
Rank: #14798 (+284)
25K → 30K
26:02 | 8:23/mi
20M
2:44:42
Rank: #14817 (-19)
30K → 20M
11:53 | 8:45/mi
21M
2:53:52
Rank: #14766 (+51)
20M → 21M
9:10 | 9:10/mi
35K· 21.75 mi
2:59:55
Rank: #14666 (+100)
21M → 35K
6:03 | 8:05/mi
23M
3:11:34
Rank: #14858 (-192)
35K → 23M
11:39 | 9:18/mi
24M
3:20:56
Rank: #15045 (-187)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:28:27
Rank: #15021 (+24)
24M → 40K
7:31 | 8:47/mi
25.2M
3:31:42
Rank: #15013 (+8)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:40:16
Rank: #15013
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:54:56
Pace8:46 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5725:208:0925:20
8:09
-
10K
6.21 mi11:40:3449:578:0224:37
7:55
-0:14
15K
9.32 mi12:05:251:14:488:0224:51
8:00
+0:05
20K
12.43 mi12:30:271:39:508:0225:02
8:03
+0:03
Half
13.11 mi12:35:571:45:208:025:30
8:03
0:00
25K
15.53 mi12:57:242:06:478:1021:27
8:51
+0:48
30K
18.64 mi13:23:262:32:498:1226:02
8:23
-0:28
20M
20.00 mi13:35:192:44:428:1411:53
8:45
+0:22
21M
21.00 mi13:44:292:53:528:179:10
9:10
+0:25
35K
21.75 mi13:50:322:59:558:166:03
8:05
-1:05
23M
23.00 mi14:02:113:11:348:2011:39
9:18
+1:13
24M
24.00 mi14:11:333:20:568:229:22
9:22
+0:04
40K
24.85 mi14:19:043:28:278:237:31
8:47
-0:35
25.2M
25.20 mi14:22:193:31:428:243:15
9:25
+0:38
Finish
26.22 mi14:30:533:40:168:248:34
8:24
-1:01

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

7:55 /mi

Average Pace

8:24 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:59

66% of race

Time at Steady Pace

1:01:40

28% of race

Time at Slower Pace

12:37

6% of race

Average Pace: 8:24 /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 mi11:15:5725:208:0925:20
8:09
#15127
10K
6.21 mi11:40:3449:578:0224:37
7:55
#14668
15K
9.32 mi12:05:251:14:488:0224:51
8:00
#14534
20K
12.43 mi12:30:271:39:508:0225:02
8:03
#14355
Half
13.11 mi12:35:571:45:208:025:30
8:03
#14369
25K
15.53 mi12:57:242:06:478:1021:27
8:51
#15082
30K
18.64 mi13:23:262:32:498:1226:02
8:23
#14798
20M
20.00 mi13:35:192:44:428:1411:53
8:45
#14817
21M
21.00 mi13:44:292:53:528:179:10
9:10
#14766
35K
21.75 mi13:50:322:59:558:166:03
8:05
#14666
23M
23.00 mi14:02:113:11:348:2011:39
9:18
#14858
24M
24.00 mi14:11:333:20:568:229:22
9:22
#15045
40K
24.85 mi14:19:043:28:278:237:31
8:47
#15021
25.2M
25.20 mi14:22:193:31:428:243:15
9:25
#15013
Finish
26.22 mi14:30:533:40:168:248:34
8:24
#15013
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15127103771037714395(Top 54%)10054(Top 66%)10054(Top 707%)
10K6.21 mi3.10 mi14668+45910200+17710200+17714214(Top 53%)10004(Top 66%)10004(Top 704%)
15K9.32 mi3.11 mi14534+13410143+5710143+5714395(Top 54%)10054(Top 66%)10054(Top 707%)
20K12.43 mi3.11 mi14355+17910049+9410049+9413924(Top 52%)9837(Top 65%)9837(Top 692%)
Half13.11 mi0.68 mi14369-14100491004914769(Top 55%)10186(Top 67%)10186(Top 716%)
25K15.53 mi2.42 mi15082-71310302-25310302-25318226(Top 68%)11520(Top 76%)11520(Top 810%)
30K18.64 mi3.11 mi14798+28410161+14110161+14113578(Top 51%)9482(Top 62%)9482(Top 667%)
20M20.00 mi1.36 mi14817-1910150+1110150+1115159(Top 57%)10044(Top 66%)10044(Top 706%)
21M21.00 mi1.00 mi14766+5110103+4710103+4714353(Top 54%)9637(Top 64%)9637(Top 678%)
35K21.75 mi0.75 mi14666+10010040+6310040+6312786(Top 48%)8878(Top 59%)8878(Top 624%)
23M23.00 mi1.25 mi14858-19210091-5110091-5117571(Top 66%)10926(Top 72%)10926(Top 768%)
24M24.00 mi1.00 mi15045-18710145-5410145-5418747(Top 70%)11417(Top 75%)11417(Top 803%)
40K24.85 mi0.85 mi15021+2410114+3110114+3115093(Top 57%)9715(Top 64%)9715(Top 683%)
25.2M25.20 mi0.35 mi15013+810097+1710097+1714946(Top 56%)9626(Top 63%)9626(Top 677%)
Finish26.22 mi1.02 mi1501310078+1910078+1914841(Top 56%)9637(Top 64%)9637(Top 678%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14395

Males

10054

M55-59

10054

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14214

Males

10004

M55-59

10004

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14395

Males

10054

M55-59

10054

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13924

Males

9837

M55-59

9837

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14769

Males

10186

M55-59

10186

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

18226

Males

11520

M55-59

11520

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13578

Males

9482

M55-59

9482

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

15159

Males

10044

M55-59

10044

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14353

Males

9637

M55-59

9637

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12786

Males

8878

M55-59

8878

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17571

Males

10926

M55-59

10926

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18747

Males

11417

M55-59

11417

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15093

Males

9715

M55-59

9715

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14946

Males

9626

M55-59

9626

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

14841

Males

9637

M55-59

9637

Passing Analysis

Category:
Athletes Passed
2043
Passed By
1929
Net Change
+114
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15127
5K → 10K578119+459#15127#14668
10K → 15K267133+134#14668#14534
15K → 20K27192+179#14534#14355
20K → Half2337-14#14355#14369
Half → 25K32745-713#14369#15082
25K → 30K34056+284#15082#14798
30K → 20M7897-19#14798#14817
20M → 21M11059+51#14817#14766
21M → 35K11111+100#14766#14666
35K → 23M33225-192#14666#14858
23M → 24M29216-187#14858#15045
24M → 40K7147+24#15045#15021
40K → 25.2M4032+8#15021#15013
25.2M → Finish60600#15013#15013
TOTALS20431929+114
📊

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