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BOSTON MARATHON 2023

Israel Vacas

Bib: 9724•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 40%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 44%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9434
Start → 5K
23:14 | 7:29/mi
10K· 6.21 mi
46:35
Rank: #9992 (-558)
5K → 10K
23:21 | 7:31/mi
15K· 9.32 mi
1:09:45
Rank: #9883 (+109)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:33:41
Rank: #10175 (-292)
15K → 20K
23:56 | 7:42/mi
Half· 13.11 mi
1:38:50
Rank: #10190 (-15)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:58:05
Rank: #10488 (-298)
Half → 25K
19:15 | 7:56/mi
30K· 18.64 mi
2:23:14
Rank: #10622 (-134)
25K → 30K
25:09 | 8:06/mi
20M
2:34:11
Rank: #10626 (-4)
30K → 20M
10:57 | 8:03/mi
21M
2:42:45
Rank: #10616 (+10)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:48:33
Rank: #10570 (+46)
21M → 35K
5:48 | 7:45/mi
23M
2:58:44
Rank: #10571 (-1)
35K → 23M
10:11 | 8:08/mi
24M
3:06:50
Rank: #10624 (-53)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:13:54
Rank: #10637 (-13)
24M → 40K
7:04 | 8:16/mi
25.2M
3:17:02
Rank: #10672 (-35)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:25:06
Rank: #10683 (-11)
25.2M → Finish
8:04 | 7:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1623:147:2923:14
7:29
-
10K
6.21 mi11:16:3746:357:3023:21
7:31
+0:02
15K
9.32 mi11:39:471:09:457:2923:10
7:27
-0:04
20K
12.43 mi12:03:431:33:417:3223:56
7:42
+0:15
Half
13.11 mi12:08:521:38:507:325:09
7:33
-0:09
25K
15.53 mi12:28:071:58:057:3619:15
7:56
+0:23
30K
18.64 mi12:53:162:23:147:4125:09
8:06
+0:10
20M
20.00 mi13:04:132:34:117:4310:57
8:03
-0:03
21M
21.00 mi13:12:472:42:457:458:34
8:34
+0:31
35K
21.75 mi13:18:352:48:337:455:48
7:45
-0:49
23M
23.00 mi13:28:462:58:447:4610:11
8:08
+0:23
24M
24.00 mi13:36:523:06:507:478:06
8:06
-0:02
40K
24.85 mi13:43:563:13:547:487:04
8:16
+0:10
25.2M
25.20 mi13:47:043:17:027:493:08
9:05
+0:49
Finish
26.22 mi13:55:083:25:067:508:04
7:55
-1:10

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

7:27 /mi

Average Pace

7:50 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:50

48% of race

Time at Steady Pace

1:27:30

43% of race

Time at Slower Pace

18:46

9% of race

Average Pace: 7:49 /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 mi10:53:1623:147:2923:14
7:29
#9434
10K
6.21 mi11:16:3746:357:3023:21
7:31
#9992
15K
9.32 mi11:39:471:09:457:2923:10
7:27
#9883
20K
12.43 mi12:03:431:33:417:3223:56
7:42
#10175
Half
13.11 mi12:08:521:38:507:325:09
7:33
#10190
25K
15.53 mi12:28:071:58:057:3619:15
7:56
#10488
30K
18.64 mi12:53:162:23:147:4125:09
8:06
#10622
20M
20.00 mi13:04:132:34:117:4310:57
8:03
#10626
21M
21.00 mi13:12:472:42:457:458:34
8:34
#10616
35K
21.75 mi13:18:352:48:337:455:48
7:45
#10570
23M
23.00 mi13:28:462:58:447:4610:11
8:08
#10571
24M
24.00 mi13:36:523:06:507:478:06
8:06
#10624
40K
24.85 mi13:43:563:13:547:487:04
8:16
#10637
25.2M
25.20 mi13:47:043:17:027:493:08
9:05
#10672
Finish
26.22 mi13:55:083:25:067:508:04
7:55
#10683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9434783378339823(Top 37%)8052(Top 53%)8052(Top 359%)
10K6.21 mi3.10 mi9992-5588143-3108143-31010562(Top 40%)8461(Top 56%)8461(Top 378%)
15K9.32 mi3.11 mi9883+1098094+498094+499823(Top 37%)8052(Top 53%)8052(Top 359%)
20K12.43 mi3.11 mi10175-2928249-1558249-15510939(Top 41%)8546(Top 56%)8546(Top 381%)
Half13.11 mi0.68 mi10190-158249824910566(Top 40%)8388(Top 55%)8388(Top 374%)
25K15.53 mi2.42 mi10488-2988384-1358384-13512194(Top 46%)8984(Top 59%)8984(Top 401%)
30K18.64 mi3.11 mi10622-1348388-48388-411593(Top 44%)8624(Top 57%)8624(Top 385%)
20M20.00 mi1.36 mi10626-48368+208368+2010678(Top 40%)8089(Top 53%)8089(Top 361%)
21M21.00 mi1.00 mi10616+108343+258343+2510848(Top 41%)8045(Top 53%)8045(Top 359%)
35K21.75 mi0.75 mi10570+468295+488295+4810280(Top 39%)7773(Top 51%)7773(Top 347%)
23M23.00 mi1.25 mi10571-18266+298266+2910685(Top 40%)7809(Top 51%)7809(Top 348%)
24M24.00 mi1.00 mi10624-538270-48270-411906(Top 45%)8347(Top 55%)8347(Top 372%)
40K24.85 mi0.85 mi10637-138246+248246+2411758(Top 44%)8199(Top 54%)8199(Top 366%)
25.2M25.20 mi0.35 mi10672-358254-88254-812939(Top 49%)8719(Top 57%)8719(Top 389%)
Finish26.22 mi1.02 mi10683-118235+198235+1911486(Top 43%)8034(Top 53%)8034(Top 359%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9823

Males

8052

M40-44

8052

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10562

Males

8461

M40-44

8461

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9823

Males

8052

M40-44

8052

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10939

Males

8546

M40-44

8546

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10566

Males

8388

M40-44

8388

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12194

Males

8984

M40-44

8984

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11593

Males

8624

M40-44

8624

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10678

Males

8089

M40-44

8089

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10848

Males

8045

M40-44

8045

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10280

Males

7773

M40-44

7773

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10685

Males

7809

M40-44

7809

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11906

Males

8347

M40-44

8347

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11758

Males

8199

M40-44

8199

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12939

Males

8719

M40-44

8719

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11486

Males

8034

M40-44

8034

Passing Analysis

Category:
Athletes Passed
1165*
Passed By
2414
Net Change
-1249
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9434
5K → 10K110668-558#9434#9992
10K → 15K238129+109#9992#9883
15K → 20K81373-292#9883#10175
20K → Half2843-15#10175#10190
Half → 25K61359-298#10190#10488
25K → 30K132266-134#10488#10622
30K → 20M78*82-4#10622#10626
20M → 21M7969+10#10626#10616
21M → 35K7226+46#10616#10570
35K → 23M8384-1#10570#10571
23M → 24M50103-53#10571#10624
24M → 40K6477-13#10624#10637
40K → 25.2M2055-35#10637#10672
25.2M → Finish6980-11#10672#10683
TOTALS1165*2414-1249

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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