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BOSTON MARATHON 2023

Lawrence Santos

Bib: 22585•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
29:30
Rank: #22079
Start → 5K
29:30 | 9:30/mi
10K· 6.21 mi
57:48
Rank: #21732 (+347)
5K → 10K
28:18 | 9:07/mi
15K· 9.32 mi
1:25:42
Rank: #21343 (+389)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:55:04
Rank: #21381 (-38)
15K → 20K
29:22 | 9:27/mi
Half· 13.11 mi
2:01:14
Rank: #21332 (+49)
20K → Half
6:10 | 9:02/mi
25K· 15.53 mi
2:24:28
Rank: #21278 (+54)
Half → 25K
23:14 | 9:35/mi
30K· 18.64 mi
2:55:57
Rank: #21289 (-11)
25K → 30K
31:29 | 10:08/mi
20M
3:09:49
Rank: #21249 (+40)
30K → 20M
13:52 | 10:12/mi
21M
3:21:22
Rank: #21308 (-59)
20M → 21M
11:33 | 11:33/mi
35K· 21.75 mi
3:28:54
Rank: #21308
21M → 35K
7:32 | 10:04/mi
23M
3:42:04
Rank: #21310 (-2)
35K → 23M
13:10 | 10:31/mi
24M
3:52:30
Rank: #21331 (-21)
23M → 24M
10:26 | 10:26/mi
40K· 24.85 mi
4:02:49
Rank: #21505 (-174)
24M → 40K
10:19 | 12:04/mi
25.2M
4:07:18
Rank: #21569 (-64)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:18:54
Rank: #21723 (-154)
25.2M → Finish
11:36 | 11:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:14
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:17:40
Pace10:30 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0029:309:3029:30
9:30
-
10K
6.21 mi12:16:1857:489:1828:18
9:07
-0:23
15K
9.32 mi12:44:121:25:429:1227:54
8:59
-0:08
20K
12.43 mi13:13:341:55:049:1629:22
9:27
+0:28
Half
13.11 mi13:19:442:01:149:156:10
9:02
-0:25
25K
15.53 mi13:42:582:24:289:1823:14
9:35
+0:33
30K
18.64 mi14:14:272:55:579:2631:29
10:08
+0:33
20M
20.00 mi14:28:193:09:499:2913:52
10:12
+0:04
21M
21.00 mi14:39:523:21:229:3511:33
11:33
+1:21
35K
21.75 mi14:47:243:28:549:367:32
10:04
-1:29
23M
23.00 mi15:00:343:42:049:3913:10
10:31
+0:27
24M
24.00 mi15:11:003:52:309:4110:26
10:26
-0:05
40K
24.85 mi15:21:194:02:499:4610:19
12:04
+1:38
25.2M
25.20 mi15:25:484:07:189:494:29
13:00
+0:56
Finish
26.22 mi15:37:244:18:549:5311:36
11:23
-1:37

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

8:59 /mi

Average Pace

9:53 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:14

47% of race

Time at Steady Pace

1:39:43

39% of race

Time at Slower Pace

37:57

15% of race

Average Pace: 9:52 /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 mi11:48:0029:309:3029:30
9:30
#22079
10K
6.21 mi12:16:1857:489:1828:18
9:07
#21732
15K
9.32 mi12:44:121:25:429:1227:54
8:59
#21343
20K
12.43 mi13:13:341:55:049:1629:22
9:27
#21381
Half
13.11 mi13:19:442:01:149:156:10
9:02
#21332
25K
15.53 mi13:42:582:24:289:1823:14
9:35
#21278
30K
18.64 mi14:14:272:55:579:2631:29
10:08
#21289
20M
20.00 mi14:28:193:09:499:2913:52
10:12
#21249
21M
21.00 mi14:39:523:21:229:3511:33
11:33
#21308
35K
21.75 mi14:47:243:28:549:367:32
10:04
#21308
23M
23.00 mi15:00:343:42:049:3913:10
10:31
#21310
24M
24.00 mi15:11:003:52:309:4110:26
10:26
#21331
40K
24.85 mi15:21:194:02:499:4610:19
12:04
#21505
25.2M
25.20 mi15:25:484:07:189:494:29
13:00
#21569
Finish
26.22 mi15:37:244:18:549:5311:36
11:23
#21723
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi22079131431314320407(Top 77%)12485(Top 82%)12485(Top 1125%)
10K6.21 mi3.10 mi21732+34713004+13913004+13921310(Top 80%)12843(Top 85%)12843(Top 1157%)
15K9.32 mi3.11 mi21343+38912853+15112853+15120407(Top 77%)12485(Top 82%)12485(Top 1125%)
20K12.43 mi3.11 mi21381-3812877-2412877-2421392(Top 80%)12910(Top 85%)12910(Top 1163%)
Half13.11 mi0.68 mi21332+4912861+1612861+1620586(Top 77%)12558(Top 83%)12558(Top 1131%)
25K15.53 mi2.42 mi21278+5412834+2712834+2721094(Top 79%)12755(Top 84%)12755(Top 1149%)
30K18.64 mi3.11 mi21289-1112826+812826+821369(Top 80%)12792(Top 84%)12792(Top 1152%)
20M20.00 mi1.36 mi21249+4012784+4212784+4221016(Top 79%)12576(Top 83%)12576(Top 1133%)
21M21.00 mi1.00 mi21308-5912805-2112805-2121953(Top 82%)12964(Top 85%)12964(Top 1168%)
35K21.75 mi0.75 mi2130812801+412801+421472(Top 81%)12699(Top 84%)12699(Top 1144%)
23M23.00 mi1.25 mi21310-212787+1412787+1421348(Top 80%)12619(Top 83%)12619(Top 1137%)
24M24.00 mi1.00 mi21331-2112784+312784+321867(Top 82%)12814(Top 84%)12814(Top 1154%)
40K24.85 mi0.85 mi21505-17412857-7312857-7323964(Top 90%)13779(Top 91%)13779(Top 1241%)
25.2M25.20 mi0.35 mi21569-6412880-2312880-2323942(Top 90%)13759(Top 91%)13759(Top 1240%)
Finish26.22 mi1.02 mi21723-15412951-7112951-7124526(Top 92%)14084(Top 93%)14084(Top 1269%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20407

Males

12485

M60-64

12485

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

21310

Males

12843

M60-64

12843

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20407

Males

12485

M60-64

12485

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21392

Males

12910

M60-64

12910

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20586

Males

12558

M60-64

12558

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

21094

Males

12755

M60-64

12755

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21369

Males

12792

M60-64

12792

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21016

Males

12576

M60-64

12576

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21953

Males

12964

M60-64

12964

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

21472

Males

12699

M60-64

12699

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

21348

Males

12619

M60-64

12619

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21867

Males

12814

M60-64

12814

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23964

Males

13779

M60-64

13779

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23942

Males

13759

M60-64

13759

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24526

Males

14084

M60-64

14084

Passing Analysis

Category:
Athletes Passed
1619
Passed By
1263
Net Change
+356
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22079
5K → 10K468121+347#22079#21732
10K → 15K42031+389#21732#21343
15K → 20K126164-38#21343#21381
20K → Half578+49#21381#21332
Half → 25K13076+54#21332#21278
25K → 30K121132-11#21278#21289
30K → 20M9353+40#21289#21249
20M → 21M44103-59#21249#21308
21M → 35K31310#21308#21308
35K → 23M6668-2#21308#21310
23M → 24M4061-21#21310#21331
24M → 40K8182-174#21331#21505
40K → 25.2M670-64#21505#21569
25.2M → Finish9163-154#21569#21723
TOTALS16191263+356
📊

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