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BOSTON MARATHON 2023

Jason Silva Santana

Bib: 25877•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 39%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 43%
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
24:22
Rank: #12756
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
47:57
Rank: #11961 (+795)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:11:29
Rank: #11523 (+438)
10K → 15K
23:32 | 7:34/mi
20K· 12.43 mi
1:35:07
Rank: #11137 (+386)
15K → 20K
23:38 | 7:36/mi
Half· 13.11 mi
1:40:19
Rank: #11137
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:59:06
Rank: #11033 (+104)
Half → 25K
18:47 | 7:45/mi
30K· 18.64 mi
2:23:23
Rank: #10699 (+334)
25K → 30K
24:17 | 7:49/mi
20M
2:34:10
Rank: #10622 (+77)
30K → 20M
10:47 | 7:56/mi
21M
2:42:30
Rank: #10521 (+101)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:48:15
Rank: #10470 (+51)
21M → 35K
5:45 | 7:41/mi
23M
2:58:15
Rank: #10398 (+72)
35K → 23M
10:00 | 7:59/mi
24M
3:06:20
Rank: #10454 (-56)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:13:16
Rank: #10444 (+10)
24M → 40K
6:56 | 8:07/mi
25.2M
3:16:10
Rank: #10397 (+47)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:24:23
Rank: #10473 (-76)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:19
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:44:04
Pace7:56 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5424:227:5124:22
7:51
-
10K
6.21 mi12:11:2947:577:4323:35
7:35
-0:16
15K
9.32 mi12:35:011:11:297:4023:32
7:34
-0:01
20K
12.43 mi12:58:391:35:077:3923:38
7:36
+0:02
Half
13.11 mi13:03:511:40:197:395:12
7:37
+0:01
25K
15.53 mi13:22:381:59:067:4018:47
7:45
+0:08
30K
18.64 mi13:46:552:23:237:4224:17
7:49
+0:04
20M
20.00 mi13:57:422:34:107:4210:47
7:56
+0:07
21M
21.00 mi14:06:022:42:307:448:20
8:20
+0:24
35K
21.75 mi14:11:472:48:157:445:45
7:41
-0:39
23M
23.00 mi14:21:472:58:157:4510:00
7:59
+0:18
24M
24.00 mi14:29:523:06:207:468:05
8:05
+0:06
40K
24.85 mi14:36:483:13:167:476:56
8:07
+0:02
25.2M
25.20 mi14:39:423:16:107:472:54
8:25
+0:18
Finish
26.22 mi14:47:553:24:237:488:13
8:04
-0:21

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

7:34 /mi

Average Pace

7:48 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:09

95% of race

Time at Steady Pace

11:14

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi11:47:5424:227:5124:22
7:51
#12756
10K
6.21 mi12:11:2947:577:4323:35
7:35
#11961
15K
9.32 mi12:35:011:11:297:4023:32
7:34
#11523
20K
12.43 mi12:58:391:35:077:3923:38
7:36
#11137
Half
13.11 mi13:03:511:40:197:395:12
7:37
#11137
25K
15.53 mi13:22:381:59:067:4018:47
7:45
#11033
30K
18.64 mi13:46:552:23:237:4224:17
7:49
#10699
20M
20.00 mi13:57:422:34:107:4210:47
7:56
#10622
21M
21.00 mi14:06:022:42:307:448:20
8:20
#10521
35K
21.75 mi14:11:472:48:157:445:45
7:41
#10470
23M
23.00 mi14:21:472:58:157:4510:00
7:59
#10398
24M
24.00 mi14:29:523:06:207:468:05
8:05
#10454
40K
24.85 mi14:36:483:13:167:476:56
8:07
#10444
25.2M
25.20 mi14:39:423:16:107:472:54
8:25
#10397
Finish
26.22 mi14:47:553:24:237:488:13
8:04
#10473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi127569428942810787(Top 41%)8545(Top 56%)8545(Top 381%)
10K6.21 mi3.10 mi11961+7959095+3339095+33311226(Top 42%)8764(Top 58%)8764(Top 391%)
15K9.32 mi3.11 mi11523+4388888+2078888+20710787(Top 41%)8545(Top 56%)8545(Top 381%)
20K12.43 mi3.11 mi11137+3868720+1688720+16810137(Top 38%)8146(Top 54%)8146(Top 363%)
Half13.11 mi0.68 mi111378717+38717+311140(Top 42%)8672(Top 57%)8672(Top 387%)
25K15.53 mi2.42 mi11033+1048643+748643+7410661(Top 40%)8327(Top 55%)8327(Top 372%)
30K18.64 mi3.11 mi10699+3348431+2128431+2129488(Top 36%)7555(Top 50%)7555(Top 337%)
20M20.00 mi1.36 mi10622+778365+668365+669782(Top 37%)7631(Top 50%)7631(Top 341%)
21M21.00 mi1.00 mi10521+1018291+748291+749411(Top 35%)7298(Top 48%)7298(Top 326%)
35K21.75 mi0.75 mi10470+518253+388253+389826(Top 37%)7539(Top 50%)7539(Top 336%)
23M23.00 mi1.25 mi10398+728187+668187+669641(Top 36%)7314(Top 48%)7314(Top 326%)
24M24.00 mi1.00 mi10454-568181+68181+611791(Top 44%)8291(Top 55%)8291(Top 370%)
40K24.85 mi0.85 mi10444+108149+328149+3210743(Top 40%)7719(Top 51%)7719(Top 344%)
25.2M25.20 mi0.35 mi10397+478111+388111+388941(Top 34%)6714(Top 44%)6714(Top 300%)
Finish26.22 mi1.02 mi10473-768124-138124-1312522(Top 47%)8529(Top 56%)8529(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10787

Males

8545

M40-44

8545

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11226

Males

8764

M40-44

8764

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10787

Males

8545

M40-44

8545

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10137

Males

8146

M40-44

8146

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11140

Males

8672

M40-44

8672

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10661

Males

8327

M40-44

8327

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9488

Males

7555

M40-44

7555

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9782

Males

7631

M40-44

7631

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9411

Males

7298

M40-44

7298

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9826

Males

7539

M40-44

7539

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9641

Males

7314

M40-44

7314

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11791

Males

8291

M40-44

8291

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10743

Males

7719

M40-44

7719

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8941

Males

6714

M40-44

6714

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12522

Males

8529

M40-44

8529

Passing Analysis

Category:
Athletes Passed
2991*
Passed By
708
Net Change
+2283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12756
5K → 10K87782+795#12756#11961
10K → 15K47537+438#11961#11523
15K → 20K41226+386#11523#11137
20K → Half24240#11137#11137
Half → 25K16258+104#11137#11033
25K → 30K37743+334#11033#10699
30K → 20M120*43+77#10699#10622
20M → 21M12625+101#10622#10521
21M → 35K7625+51#10521#10470
35K → 23M11442+72#10470#10398
23M → 24M46102-56#10398#10454
24M → 40K6959+10#10454#10444
40K → 25.2M5912+47#10444#10397
25.2M → Finish54130-76#10397#10473
TOTALS2991*708+2283

* 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