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BOSTON MARATHON 2023

David Santoro

Bib: 15926•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:30
Rank: #19739
Start → 5K
27:30 | 8:51/mi
10K· 6.21 mi
55:07
Rank: #20038 (-299)
5K → 10K
27:37 | 8:53/mi
15K· 9.32 mi
1:23:18
Rank: #20286 (-248)
10K → 15K
28:11 | 9:04/mi
20K· 12.43 mi
1:52:22
Rank: #20545 (-259)
15K → 20K
29:04 | 9:21/mi
Half· 13.11 mi
1:58:39
Rank: #20580 (-35)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:21:57
Rank: #20711 (-131)
Half → 25K
23:18 | 9:37/mi
30K· 18.64 mi
2:55:26
Rank: #21204 (-493)
25K → 30K
33:29 | 10:47/mi
20M
3:10:16
Rank: #21324 (-120)
30K → 20M
14:50 | 10:55/mi
21M
3:21:11
Rank: #21281 (+43)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
3:28:31
Rank: #21260 (+21)
21M → 35K
7:20 | 9:48/mi
23M
3:41:46
Rank: #21260
35K → 23M
13:15 | 10:35/mi
24M
3:52:31
Rank: #21334 (-74)
23M → 24M
10:45 | 10:45/mi
40K· 24.85 mi
4:01:37
Rank: #21345 (-11)
24M → 40K
9:06 | 10:39/mi
25.2M
4:05:32
Rank: #21329 (+16)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:15:53
Rank: #21369 (-40)
25.2M → Finish
10:21 | 10:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:39
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:17:14
Pace10:28 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:1827:308:5127:30
8:51
-
10K
6.21 mi11:24:5555:078:5227:37
8:53
+0:02
15K
9.32 mi11:53:061:23:188:5628:11
9:04
+0:11
20K
12.43 mi12:22:101:52:229:0329:04
9:21
+0:17
Half
13.11 mi12:28:271:58:399:036:17
9:13
-0:08
25K
15.53 mi12:51:452:21:579:0823:18
9:37
+0:24
30K
18.64 mi13:25:142:55:269:2533:29
10:47
+1:10
20M
20.00 mi13:40:043:10:169:3114:50
10:55
+0:08
21M
21.00 mi13:50:593:21:119:3510:55
10:55
0:00
35K
21.75 mi13:58:193:28:319:357:20
9:48
-1:07
23M
23.00 mi14:11:343:41:469:3913:15
10:35
+0:47
24M
24.00 mi14:22:193:52:319:4110:45
10:45
+0:10
40K
24.85 mi14:31:254:01:379:439:06
10:39
-0:06
25.2M
25.20 mi14:35:204:05:329:453:55
11:21
+0:42
Finish
26.22 mi14:45:414:15:539:4610:21
10:09
-1:12

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

8:51 /mi

Average Pace

9:46 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:57

55% of race

Time at Steady Pace

17:41

7% of race

Time at Slower Pace

1:36:15

38% of race

Average Pace: 9:46 /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 mi10:57:1827:308:5127:30
8:51
#19739
10K
6.21 mi11:24:5555:078:5227:37
8:53
#20038
15K
9.32 mi11:53:061:23:188:5628:11
9:04
#20286
20K
12.43 mi12:22:101:52:229:0329:04
9:21
#20545
Half
13.11 mi12:28:271:58:399:036:17
9:13
#20580
25K
15.53 mi12:51:452:21:579:0823:18
9:37
#20711
30K
18.64 mi13:25:142:55:269:2533:29
10:47
#21204
20M
20.00 mi13:40:043:10:169:3114:50
10:55
#21324
21M
21.00 mi13:50:593:21:119:3510:55
10:55
#21281
35K
21.75 mi13:58:193:28:319:357:20
9:48
#21260
23M
23.00 mi14:11:343:41:469:3913:15
10:35
#21260
24M
24.00 mi14:22:193:52:319:4110:45
10:45
#21334
40K
24.85 mi14:31:254:01:379:439:06
10:39
#21345
25.2M
25.20 mi14:35:204:05:329:453:55
11:21
#21329
Finish
26.22 mi14:45:414:15:539:4610:21
10:09
#21369
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19739120641206420823(Top 78%)12668(Top 83%)12668(Top 1141%)
10K6.21 mi3.10 mi20038-29912229-16512229-16520375(Top 77%)12447(Top 82%)12447(Top 1121%)
15K9.32 mi3.11 mi20286-24812368-13912368-13920823(Top 78%)12668(Top 83%)12668(Top 1141%)
20K12.43 mi3.11 mi20545-25912501-13312501-13321109(Top 79%)12789(Top 84%)12789(Top 1152%)
Half13.11 mi0.68 mi20580-3512522-2112522-2121174(Top 80%)12806(Top 84%)12806(Top 1154%)
25K15.53 mi2.42 mi20711-13112587-6512587-6521154(Top 79%)12780(Top 84%)12780(Top 1151%)
30K18.64 mi3.11 mi21204-49312788-20112788-20122739(Top 85%)13397(Top 88%)13397(Top 1207%)
20M20.00 mi1.36 mi21324-12012824-3612824-3622543(Top 85%)13250(Top 87%)13250(Top 1194%)
21M21.00 mi1.00 mi21281+4312791+3312791+3320639(Top 78%)12360(Top 81%)12360(Top 1114%)
35K21.75 mi0.75 mi21260+2112776+1512776+1520757(Top 78%)12372(Top 82%)12372(Top 1115%)
23M23.00 mi1.25 mi2126012760+1612760+1621498(Top 81%)12687(Top 84%)12687(Top 1143%)
24M24.00 mi1.00 mi21334-7412785-2512785-2522554(Top 85%)13138(Top 87%)13138(Top 1184%)
40K24.85 mi0.85 mi21345-1112786-112786-121558(Top 81%)12621(Top 83%)12621(Top 1137%)
25.2M25.20 mi0.35 mi21329+1612772+1412772+1421227(Top 80%)12493(Top 82%)12493(Top 1125%)
Finish26.22 mi1.02 mi21369-4012779-712779-722167(Top 83%)12936(Top 85%)12936(Top 1165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20823

Males

12668

M60-64

12668

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20375

Males

12447

M60-64

12447

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20823

Males

12668

M60-64

12668

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21109

Males

12789

M60-64

12789

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21174

Males

12806

M60-64

12806

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21154

Males

12780

M60-64

12780

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22739

Males

13397

M60-64

13397

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

22543

Males

13250

M60-64

13250

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20639

Males

12360

M60-64

12360

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20757

Males

12372

M60-64

12372

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21498

Males

12687

M60-64

12687

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22554

Males

13138

M60-64

13138

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21558

Males

12621

M60-64

12621

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21227

Males

12493

M60-64

12493

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22167

Males

12936

M60-64

12936

Passing Analysis

Category:
Athletes Passed
851
Passed By
2481
Net Change
-1630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19739
5K → 10K181480-299#19739#20038
10K → 15K101349-248#20038#20286
15K → 20K91350-259#20286#20545
20K → Half1752-35#20545#20580
Half → 25K66197-131#20580#20711
25K → 30K43536-493#20711#21204
30K → 20M41161-120#21204#21324
20M → 21M8744+43#21324#21281
21M → 35K3615+21#21281#21260
35K → 23M70700#21260#21260
23M → 24M28102-74#21260#21334
24M → 40K3546-11#21334#21345
40K → 25.2M3418+16#21345#21329
25.2M → Finish2161-40#21329#21369
TOTALS8512481-1630
📊

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