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BOSTON MARATHON 2023

Guilherme Theo Sampaio

Bib: 31164•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:26/mi
29:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:33/mi
55:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:22:25
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:48:50
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:54:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
2:15:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:27/mi
2:44:53
↑ 181↓ 1480.2%
20M
10:04/mi
2:58:34
↑ 64↓ 500.2%
21M
12:05/mi
3:10:39
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
3:18:54
↑ 17↓ 861.7%
23M
11:24/mi
3:33:10
↑ 23↓ 630.6%
24M
9:36/mi
3:42:46
↓ 821.3%
40K· 24.85 mi
12:12/mi
3:53:12
↓ 200.3%
25.2M
14:42/mi
3:58:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:52/mi
4:09:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:42
Pace8:45 /mi
2nd Half
Distance13.11 mi
Time2:14:38
Pace10:16 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5429:199:2629:19
9:26
-
10K
6.21 mi12:15:2755:528:5926:33
8:33
-0:53
15K
9.32 mi12:42:001:22:258:5126:33
8:33
0:00
20K
12.43 mi13:08:251:48:508:4526:25
8:30
-0:03
Half
13.11 mi13:14:171:54:428:455:52
8:36
+0:06
25K
15.53 mi13:35:072:15:328:4320:50
8:36
0:00
30K
18.64 mi14:04:282:44:538:5129:21
9:27
+0:51
20M
20.00 mi14:18:092:58:348:5613:41
10:04
+0:37
21M
21.00 mi14:30:143:10:399:0512:05
12:05
+2:01
35K
21.75 mi14:38:293:18:549:098:15
11:02
-1:03
23M
23.00 mi14:52:453:33:109:1614:16
11:24
+0:22
24M
24.00 mi15:02:213:42:469:179:36
9:36
-1:48
40K
24.85 mi15:12:473:53:129:2310:26
12:12
+2:36
25.2M
25.20 mi15:17:513:58:169:275:04
14:42
+2:30
Finish
26.22 mi15:28:554:09:209:3111:04
10:52
-3:50

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

8:30 /mi

Average Pace

9:31 /mi

Slowest Pace

14:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:13

43% of race

Time at Steady Pace

1:21:57

33% of race

Time at Slower Pace

1:01:10

25% of race

Average Pace: 9:31 /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 mi11:48:5429:199:2629:19
9:26
#21892
10K
6.21 mi12:15:2755:528:5926:33
8:33
#20609
15K
9.32 mi12:42:001:22:258:5126:33
8:33
#19823
20K
12.43 mi13:08:251:48:508:4526:25
8:30
#19101
Half
13.11 mi13:14:171:54:428:455:52
8:36
#19064
25K
15.53 mi13:35:072:15:328:4320:50
8:36
#18707
30K
18.64 mi14:04:282:44:538:5129:21
9:27
#18822
20M
20.00 mi14:18:092:58:348:5613:41
10:04
#19016
21M
21.00 mi14:30:143:10:399:0512:05
12:05
#19410
35K
21.75 mi14:38:293:18:549:098:15
11:02
#19655
23M
23.00 mi14:52:453:33:109:1614:16
11:24
#20008
24M
24.00 mi15:02:213:42:469:179:36
9:36
#20005
40K
24.85 mi15:12:473:53:129:2310:26
12:12
#20242
25.2M
25.20 mi15:17:513:58:169:275:04
14:42
#20398
Finish
26.22 mi15:28:554:09:209:3111:04
10:52
#20576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21892130411304118112(Top 68%)11531(Top 76%)11531(Top 218%)
10K6.21 mi3.10 mi20609+128312496+54512496+54518526(Top 70%)11724(Top 77%)11724(Top 222%)
15K9.32 mi3.11 mi19823+78612170+32612170+32618112(Top 68%)11531(Top 76%)11531(Top 218%)
20K12.43 mi3.11 mi19101+72211905+26511905+26516872(Top 63%)10997(Top 72%)10997(Top 208%)
Half13.11 mi0.68 mi19064+3711883+2211883+2218321(Top 69%)11640(Top 77%)11640(Top 220%)
25K15.53 mi2.42 mi18707+35711731+15211731+15216774(Top 63%)10879(Top 72%)10879(Top 206%)
30K18.64 mi3.11 mi18822-11511760-2911760-2919241(Top 72%)11896(Top 78%)11896(Top 225%)
20M20.00 mi1.36 mi19016-19411828-6811828-6820668(Top 78%)12416(Top 82%)12416(Top 235%)
21M21.00 mi1.00 mi19410-39411983-15511983-15522878(Top 86%)13367(Top 88%)13367(Top 253%)
35K21.75 mi0.75 mi19655-24512086-10312086-10323340(Top 88%)13532(Top 89%)13532(Top 256%)
23M23.00 mi1.25 mi20008-35312216-13012216-13023053(Top 87%)13413(Top 88%)13413(Top 254%)
24M24.00 mi1.00 mi20005+312208+812208+819557(Top 73%)11795(Top 78%)11795(Top 223%)
40K24.85 mi0.85 mi20242-23712294-8612294-8624117(Top 91%)13854(Top 91%)13854(Top 262%)
25.2M25.20 mi0.35 mi20398-15612360-6612360-6625502(Top 96%)14544(Top 96%)14544(Top 275%)
Finish26.22 mi1.02 mi20576-17812426-6612426-6623709(Top 89%)13673(Top 90%)13673(Top 259%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18112

Males

11531

M18-39

11531

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18526

Males

11724

M18-39

11724

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18112

Males

11531

M18-39

11531

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16872

Males

10997

M18-39

10997

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18321

Males

11640

M18-39

11640

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16774

Males

10879

M18-39

10879

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

19241

Males

11896

M18-39

11896

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20668

Males

12416

M18-39

12416

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22878

Males

13367

M18-39

13367

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23340

Males

13532

M18-39

13532

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23053

Males

13413

M18-39

13413

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19557

Males

11795

M18-39

11795

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24117

Males

13854

M18-39

13854

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25502

Males

14544

M18-39

14544

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23709

Males

13673

M18-39

13673

Passing Analysis

Category:
Athletes Passed
3494
Passed By
2178
Net Change
+1316
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21892
5K → 10K130219+1283#21892#20609
10K → 15K7937+786#20609#19823
15K → 20K7275+722#19823#19101
20K → Half447+37#19101#19064
Half → 25K3625+357#19064#18707
25K → 30K129244-115#18707#18822
30K → 20M34228-194#18822#19016
20M → 21M13407-394#19016#19410
21M → 35K7252-245#19410#19655
35K → 23M14367-353#19655#20008
23M → 24M5148+3#20008#20005
24M → 40K9246-237#20005#20242
40K → 25.2M2158-156#20242#20398
25.2M → Finish7185-178#20398#20576
TOTALS34942178+1316
📊

Passing Visuals

Category:
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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