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BOSTON MARATHON 2023

Rafael José Dos Santos

Bib: 8261•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
Masters (Masters Men)
#0 / 9891
Top 21%
Division (M40-44)
#0 / 2241
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:32
Rank: #2938
Start → 5K
20:32 | 6:37/mi
10K· 6.21 mi
41:24
Rank: #3646 (-708)
5K → 10K
20:52 | 6:43/mi
15K· 9.32 mi
1:02:33
Rank: #4122 (-476)
10K → 15K
21:09 | 6:48/mi
20K· 12.43 mi
1:23:45
Rank: #4248 (-126)
15K → 20K
21:12 | 6:49/mi
Half· 13.11 mi
1:28:25
Rank: #4316 (-68)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:45:26
Rank: #4563 (-247)
Half → 25K
17:01 | 7:01/mi
30K· 18.64 mi
2:08:17
Rank: #5021 (-458)
25K → 30K
22:51 | 7:21/mi
20M
2:18:33
Rank: #5206 (-185)
30K → 20M
10:16 | 7:33/mi
21M
2:26:39
Rank: #5307 (-101)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:32:16
Rank: #5396 (-89)
21M → 35K
5:37 | 7:30/mi
23M
2:42:03
Rank: #5504 (-108)
35K → 23M
9:47 | 7:49/mi
24M
2:49:51
Rank: #5603 (-99)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
2:56:44
Rank: #5705 (-102)
24M → 40K
6:53 | 8:03/mi
25.2M
2:59:47
Rank: #5756 (-51)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:07:56
Rank: #5920 (-164)
25.2M → Finish
8:09 | 8:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:39:31
Pace7:35 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:3520:326:3720:32
6:37
-
10K
6.21 mi11:06:2741:246:4020:52
6:43
+0:06
15K
9.32 mi11:27:361:02:336:4321:09
6:48
+0:05
20K
12.43 mi11:48:481:23:456:4421:12
6:49
+0:01
Half
13.11 mi11:53:281:28:256:454:40
6:50
+0:01
25K
15.53 mi12:10:291:45:266:4717:01
7:01
+0:11
30K
18.64 mi12:33:202:08:176:5322:51
7:21
+0:20
20M
20.00 mi12:43:362:18:336:5610:16
7:33
+0:12
21M
21.00 mi12:51:422:26:396:598:06
8:06
+0:33
35K
21.75 mi12:57:192:32:167:005:37
7:30
-0:36
23M
23.00 mi13:07:062:42:037:039:47
7:49
+0:19
24M
24.00 mi13:14:542:49:517:057:48
7:48
-0:01
40K
24.85 mi13:21:472:56:447:076:53
8:03
+0:15
25.2M
25.20 mi13:24:502:59:477:083:03
8:51
+0:48
Finish
26.22 mi13:32:593:07:567:108:09
8:00
-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

6:37 /mi

Average Pace

7:10 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:26

56% of race

Time at Steady Pace

46:32

25% of race

Time at Slower Pace

35:58

19% of race

Average Pace: 7:10 /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 mi10:45:3520:326:3720:32
6:37
#2938
10K
6.21 mi11:06:2741:246:4020:52
6:43
#3646
15K
9.32 mi11:27:361:02:336:4321:09
6:48
#4122
20K
12.43 mi11:48:481:23:456:4421:12
6:49
#4248
Half
13.11 mi11:53:281:28:256:454:40
6:50
#4316
25K
15.53 mi12:10:291:45:266:4717:01
7:01
#4563
30K
18.64 mi12:33:202:08:176:5322:51
7:21
#5021
20M
20.00 mi12:43:362:18:336:5610:16
7:33
#5206
21M
21.00 mi12:51:422:26:396:598:06
8:06
#5307
35K
21.75 mi12:57:192:32:167:005:37
7:30
#5396
23M
23.00 mi13:07:062:42:037:039:47
7:49
#5504
24M
24.00 mi13:14:542:49:517:057:48
7:48
#5603
40K
24.85 mi13:21:472:56:447:076:53
8:03
#5705
25.2M
25.20 mi13:24:502:59:477:083:03
8:51
#5756
Finish
26.22 mi13:32:593:07:567:108:09
8:00
#5920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2938279227925208(Top 20%)4816(Top 32%)4816(Top 215%)
10K6.21 mi3.10 mi3646-7083440-6483440-6484518(Top 17%)4223(Top 28%)4223(Top 188%)
15K9.32 mi3.11 mi4122-4763873-4333873-4335208(Top 20%)4816(Top 32%)4816(Top 215%)
20K12.43 mi3.11 mi4248-1263983-1103983-1104671(Top 18%)4349(Top 29%)4349(Top 194%)
Half13.11 mi0.68 mi4316-684041-584041-585613(Top 21%)5173(Top 34%)5173(Top 231%)
25K15.53 mi2.42 mi4563-2474260-2194260-2195683(Top 21%)5208(Top 34%)5208(Top 232%)
30K18.64 mi3.11 mi5021-4584658-3984658-3986323(Top 24%)5601(Top 37%)5601(Top 250%)
20M20.00 mi1.36 mi5206-1854813-1554813-1557136(Top 27%)6053(Top 40%)6053(Top 270%)
21M21.00 mi1.00 mi5307-1014887-744887-747967(Top 30%)6444(Top 42%)6444(Top 288%)
35K21.75 mi0.75 mi5396-894956-694956-698533(Top 32%)6807(Top 45%)6807(Top 304%)
23M23.00 mi1.25 mi5504-1085041-855041-858473(Top 32%)6674(Top 44%)6674(Top 298%)
24M24.00 mi1.00 mi5603-995103-625103-629741(Top 37%)7247(Top 48%)7247(Top 323%)
40K24.85 mi0.85 mi5705-1025171-685171-6810318(Top 39%)7485(Top 49%)7485(Top 334%)
25.2M25.20 mi0.35 mi5756-515203-325203-3211471(Top 43%)7985(Top 53%)7985(Top 356%)
Finish26.22 mi1.02 mi5920-1645323-1205323-12012068(Top 45%)8303(Top 55%)8303(Top 371%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5208

Males

4816

M40-44

4816

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4518

Males

4223

M40-44

4223

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5208

Males

4816

M40-44

4816

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4671

Males

4349

M40-44

4349

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5613

Males

5173

M40-44

5173

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5683

Males

5208

M40-44

5208

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6323

Males

5601

M40-44

5601

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7136

Males

6053

M40-44

6053

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7967

Males

6444

M40-44

6444

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8533

Males

6807

M40-44

6807

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8473

Males

6674

M40-44

6674

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9741

Males

7247

M40-44

7247

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10318

Males

7485

M40-44

7485

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11471

Males

7985

M40-44

7985

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

12068

Males

8303

M40-44

8303

Passing Analysis

Category:
Athletes Passed
371
Passed By
3353
Net Change
-2982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2938
5K → 10K21729-708#2938#3646
10K → 15K25501-476#3646#4122
15K → 20K55181-126#4122#4248
20K → Half573-68#4248#4316
Half → 25K45292-247#4316#4563
25K → 30K40498-458#4563#5021
30K → 20M27212-185#5021#5206
20M → 21M27128-101#5206#5307
21M → 35K11100-89#5307#5396
35K → 23M41149-108#5396#5504
23M → 24M25124-99#5504#5603
24M → 40K18120-102#5603#5705
40K → 25.2M960-51#5705#5756
25.2M → Finish22186-164#5756#5920
TOTALS3713353-2982
📊

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