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BOSTON MARATHON 2023

Gildardo Sarabia

Bib: 31597•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
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
25:37
Rank: #15761
Start → 5K
25:37 | 8:15/mi
10K· 6.21 mi
50:06
Rank: #14846 (+915)
5K → 10K
24:29 | 7:53/mi
15K· 9.32 mi
1:15:20
Rank: #14997 (-151)
10K → 15K
25:14 | 8:07/mi
20K· 12.43 mi
1:41:23
Rank: #15310 (-313)
15K → 20K
26:03 | 8:23/mi
Half· 13.11 mi
1:47:10
Rank: #15415 (-105)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:08:25
Rank: #15794 (-379)
Half → 25K
21:15 | 8:46/mi
30K· 18.64 mi
2:36:58
Rank: #16293 (-499)
25K → 30K
28:33 | 9:11/mi
20M
2:50:01
Rank: #16540 (-247)
30K → 20M
13:03 | 9:36/mi
21M
3:00:29
Rank: #16765 (-225)
20M → 21M
10:28 | 10:28/mi
35K· 21.75 mi
3:07:37
Rank: #16917 (-152)
21M → 35K
7:08 | 9:32/mi
23M
3:20:15
Rank: #17208 (-291)
35K → 23M
12:38 | 10:05/mi
24M
3:30:09
Rank: #17434 (-226)
23M → 24M
9:54 | 9:54/mi
40K· 24.85 mi
3:38:54
Rank: #17662 (-228)
24M → 40K
8:45 | 10:14/mi
25.2M
3:42:36
Rank: #17720 (-58)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:52:40
Rank: #17915 (-195)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:10
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time2:05:30
Pace9:34 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4925:378:1525:37
8:15
-
10K
6.21 mi12:09:1850:068:0424:29
7:53
-0:22
15K
9.32 mi12:34:321:15:208:0525:14
8:07
+0:14
20K
12.43 mi13:00:351:41:238:0926:03
8:23
+0:16
Half
13.11 mi13:06:221:47:108:105:47
8:29
+0:06
25K
15.53 mi13:27:372:08:258:1621:15
8:46
+0:17
30K
18.64 mi13:56:102:36:588:2528:33
9:11
+0:25
20M
20.00 mi14:09:132:50:018:3013:03
9:36
+0:25
21M
21.00 mi14:19:413:00:298:3610:28
10:28
+0:52
35K
21.75 mi14:26:493:07:378:387:08
9:32
-0:56
23M
23.00 mi14:39:273:20:158:4212:38
10:05
+0:33
24M
24.00 mi14:49:213:30:098:459:54
9:54
-0:11
40K
24.85 mi14:58:063:38:548:488:45
10:14
+0:20
25.2M
25.20 mi15:01:483:42:368:503:42
10:44
+0:30
Finish
26.22 mi15:11:523:52:408:5310:04
9:53
-0:51

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

7:53 /mi

Average Pace

8:53 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:25

55% of race

Time at Steady Pace

1:08:42

30% of race

Time at Slower Pace

35:33

15% of race

Average Pace: 8:52 /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 mi11:44:4925:378:1525:37
8:15
#15761
10K
6.21 mi12:09:1850:068:0424:29
7:53
#14846
15K
9.32 mi12:34:321:15:208:0525:14
8:07
#14997
20K
12.43 mi13:00:351:41:238:0926:03
8:23
#15310
Half
13.11 mi13:06:221:47:108:105:47
8:29
#15415
25K
15.53 mi13:27:372:08:258:1621:15
8:46
#15794
30K
18.64 mi13:56:102:36:588:2528:33
9:11
#16293
20M
20.00 mi14:09:132:50:018:3013:03
9:36
#16540
21M
21.00 mi14:19:413:00:298:3610:28
10:28
#16765
35K
21.75 mi14:26:493:07:378:387:08
9:32
#16917
23M
23.00 mi14:39:273:20:158:4212:38
10:05
#17208
24M
24.00 mi14:49:213:30:098:459:54
9:54
#17434
40K
24.85 mi14:58:063:38:548:488:45
10:14
#17662
25.2M
25.20 mi15:01:483:42:368:503:42
10:44
#17720
Finish
26.22 mi15:11:523:52:408:5310:04
9:53
#17915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15761106151061515305(Top 57%)10437(Top 69%)10437(Top 463%)
10K6.21 mi3.10 mi14846+91510271+34410271+34413807(Top 52%)9865(Top 65%)9865(Top 438%)
15K9.32 mi3.11 mi14997-15110317-4610317-4615305(Top 57%)10437(Top 69%)10437(Top 463%)
20K12.43 mi3.11 mi15310-31310415-9810415-9816155(Top 61%)10693(Top 70%)10693(Top 475%)
Half13.11 mi0.68 mi15415-10510454-3910454-3917562(Top 66%)11323(Top 75%)11323(Top 503%)
25K15.53 mi2.42 mi15794-37910567-11310567-11317742(Top 67%)11298(Top 74%)11298(Top 502%)
30K18.64 mi3.11 mi16293-49910709-14210709-14218107(Top 68%)11375(Top 75%)11375(Top 505%)
20M20.00 mi1.36 mi16540-24710797-8810797-8819219(Top 72%)11784(Top 78%)11784(Top 523%)
21M21.00 mi1.00 mi16765-22510898-10110898-10119469(Top 73%)11824(Top 78%)11824(Top 525%)
35K21.75 mi0.75 mi16917-15210956-5810956-5819934(Top 75%)12015(Top 79%)12015(Top 534%)
23M23.00 mi1.25 mi17208-29111047-9111047-9120237(Top 76%)12116(Top 80%)12116(Top 538%)
24M24.00 mi1.00 mi17434-22611126-7911126-7920491(Top 77%)12208(Top 80%)12208(Top 542%)
40K24.85 mi0.85 mi17662-22811203-7711203-7720554(Top 77%)12171(Top 80%)12171(Top 540%)
25.2M25.20 mi0.35 mi17720-5811226-2311226-2319740(Top 74%)11792(Top 78%)11792(Top 524%)
Finish26.22 mi1.02 mi17915-19511290-6411290-6421395(Top 80%)12592(Top 83%)12592(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15305

Males

10437

M45-49

10437

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13807

Males

9865

M45-49

9865

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15305

Males

10437

M45-49

10437

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

16155

Males

10693

M45-49

10693

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

17562

Males

11323

M45-49

11323

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17742

Males

11298

M45-49

11298

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18107

Males

11375

M45-49

11375

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19219

Males

11784

M45-49

11784

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19469

Males

11824

M45-49

11824

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19934

Males

12015

M45-49

12015

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20237

Males

12116

M45-49

12116

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

20491

Males

12208

M45-49

12208

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20554

Males

12171

M45-49

12171

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19740

Males

11792

M45-49

11792

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21395

Males

12592

M45-49

12592

Passing Analysis

Category:
Athletes Passed
1499
Passed By
3653
Net Change
-2154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15761
5K → 10K97358+915#15761#14846
10K → 15K136287-151#14846#14997
15K → 20K92405-313#14997#15310
20K → Half14119-105#15310#15415
Half → 25K52431-379#15415#15794
25K → 30K77576-499#15794#16293
30K → 20M35282-247#16293#16540
20M → 21M26251-225#16540#16765
21M → 35K15167-152#16765#16917
35K → 23M25316-291#16917#17208
23M → 24M19245-226#17208#17434
24M → 40K17245-228#17434#17662
40K → 25.2M1068-58#17662#17720
25.2M → Finish8203-195#17720#17915
TOTALS14993653-2154
📊

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