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BOSTON MARATHON 2023

Jose Alfredo Velazquez Betancourt

Bib: 12863•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:18
Rank: #9614
Start → 5K
23:18 | 7:30/mi
10K· 6.21 mi
46:12
Rank: #9451 (+163)
5K → 10K
22:54 | 7:22/mi
15K· 9.32 mi
1:09:46
Rank: #9899 (-448)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:32:58
Rank: #9651 (+248)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:38:05
Rank: #9678 (-27)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:18
Rank: #9528 (+150)
Half → 25K
18:13 | 7:31/mi
30K· 18.64 mi
2:20:13
Rank: #9327 (+201)
25K → 30K
23:55 | 7:42/mi
20M
2:30:51
Rank: #9287 (+40)
30K → 20M
10:38 | 7:49/mi
21M
2:39:15
Rank: #9284 (+3)
20M → 21M
8:24 | 8:24/mi
35K· 21.75 mi
2:44:52
Rank: #9247 (+37)
21M → 35K
5:37 | 7:30/mi
23M
2:54:36
Rank: #9163 (+84)
35K → 23M
9:44 | 7:46/mi
24M
3:02:07
Rank: #9082 (+81)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:08:39
Rank: #9005 (+77)
24M → 40K
6:32 | 7:38/mi
25.2M
3:11:36
Rank: #9001 (+4)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:19:16
Rank: #8958 (+43)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:05
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:41:11
Pace7:43 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4723:187:3023:18
7:30
-
10K
6.21 mi11:13:4146:127:2622:54
7:22
-0:08
15K
9.32 mi11:37:151:09:467:2923:34
7:35
+0:13
20K
12.43 mi12:00:271:32:587:2923:12
7:28
-0:07
Half
13.11 mi12:05:341:38:057:295:07
7:30
+0:02
25K
15.53 mi12:23:471:56:187:2918:13
7:31
+0:01
30K
18.64 mi12:47:422:20:137:3123:55
7:42
+0:11
20M
20.00 mi12:58:202:30:517:3310:38
7:49
+0:07
21M
21.00 mi13:06:442:39:157:358:24
8:24
+0:35
35K
21.75 mi13:12:212:44:527:355:37
7:30
-0:54
23M
23.00 mi13:22:052:54:367:359:44
7:46
+0:16
24M
24.00 mi13:29:363:02:077:357:31
7:31
-0:15
40K
24.85 mi13:36:083:08:397:356:32
7:38
+0:07
25.2M
25.20 mi13:39:053:11:367:362:57
8:33
+0:55
Finish
26.22 mi13:46:453:19:167:367:40
7:31
-1:02

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

7:22 /mi

Average Pace

7:36 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:55

94% of race

Time at Steady Pace

11:21

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:50:4723:187:3023:18
7:30
#9614
10K
6.21 mi11:13:4146:127:2622:54
7:22
#9451
15K
9.32 mi11:37:151:09:467:2923:34
7:35
#9899
20K
12.43 mi12:00:271:32:587:2923:12
7:28
#9651
Half
13.11 mi12:05:341:38:057:295:07
7:30
#9678
25K
15.53 mi12:23:471:56:187:2918:13
7:31
#9528
30K
18.64 mi12:47:422:20:137:3123:55
7:42
#9327
20M
20.00 mi12:58:202:30:517:3310:38
7:49
#9287
21M
21.00 mi13:06:442:39:157:358:24
8:24
#9284
35K
21.75 mi13:12:212:44:527:355:37
7:30
#9247
23M
23.00 mi13:22:052:54:367:359:44
7:46
#9163
24M
24.00 mi13:29:363:02:077:357:31
7:31
#9082
40K
24.85 mi13:36:083:08:397:356:32
7:38
#9005
25.2M
25.20 mi13:39:053:11:367:362:57
8:33
#9001
Finish
26.22 mi13:46:453:19:167:367:40
7:31
#8958
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi96147933793310863(Top 41%)8579(Top 57%)8579(Top 381%)
10K6.21 mi3.10 mi9451+1637850+837850+839382(Top 35%)7792(Top 51%)7792(Top 346%)
15K9.32 mi3.11 mi9899-4488103-2538103-25310863(Top 41%)8579(Top 57%)8579(Top 381%)
20K12.43 mi3.11 mi9651+2487956+1477956+1479046(Top 34%)7527(Top 50%)7527(Top 334%)
Half13.11 mi0.68 mi9678-277969-137969-1310157(Top 38%)8169(Top 54%)8169(Top 363%)
25K15.53 mi2.42 mi9528+1507854+1157854+1158872(Top 33%)7352(Top 48%)7352(Top 326%)
30K18.64 mi3.11 mi9327+2017698+1567698+1568624(Top 32%)7052(Top 46%)7052(Top 313%)
20M20.00 mi1.36 mi9287+407648+507648+509044(Top 34%)7219(Top 48%)7219(Top 321%)
21M21.00 mi1.00 mi9284+37621+277621+279816(Top 37%)7502(Top 49%)7502(Top 333%)
35K21.75 mi0.75 mi9247+377585+367585+368575(Top 32%)6849(Top 45%)6849(Top 304%)
23M23.00 mi1.25 mi9163+847511+747511+748215(Top 31%)6533(Top 43%)6533(Top 290%)
24M24.00 mi1.00 mi9082+817443+687443+687808(Top 29%)6203(Top 41%)6203(Top 275%)
40K24.85 mi0.85 mi9005+777380+637380+637563(Top 28%)5975(Top 39%)5975(Top 265%)
25.2M25.20 mi0.35 mi9001+47370+107370+109803(Top 37%)7189(Top 47%)7189(Top 319%)
Finish26.22 mi1.02 mi8958+437322+487322+488705(Top 33%)6583(Top 43%)6583(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10863

Males

8579

M45-49

8579

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9382

Males

7792

M45-49

7792

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10863

Males

8579

M45-49

8579

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9046

Males

7527

M45-49

7527

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10157

Males

8169

M45-49

8169

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8872

Males

7352

M45-49

7352

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8624

Males

7052

M45-49

7052

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9044

Males

7219

M45-49

7219

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9816

Males

7502

M45-49

7502

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8575

Males

6849

M45-49

6849

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8215

Males

6533

M45-49

6533

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7808

Males

6203

M45-49

6203

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7563

Males

5975

M45-49

5975

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9803

Males

7189

M45-49

7189

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8705

Males

6583

M45-49

6583

Passing Analysis

Category:
Athletes Passed
1880*
Passed By
1224
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9614
5K → 10K371208+163#9614#9451
10K → 15K58506-448#9451#9899
15K → 20K295*47+248#9899#9651
20K → Half1441-27#9651#9678
Half → 25K19848+150#9678#9528
25K → 30K274*73+201#9528#9327
30K → 20M9555+40#9327#9287
20M → 21M8784+3#9287#9284
21M → 35K6225+37#9284#9247
35K → 23M12339+84#9247#9163
23M → 24M10221+81#9163#9082
24M → 40K9215+77#9082#9005
40K → 25.2M2622+4#9005#9001
25.2M → Finish8340+43#9001#8958
TOTALS1880*1224+656

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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