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BOSTON MARATHON 2023

Thales Leao

Bib: 2508•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 38%
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
6:38/mi
20:35
↑ 97↓ 3451.5%
10K· 6.21 mi
6:31/mi
40:50
↑ 79↓ 1380.4%
15K· 9.32 mi
6:31/mi
1:01:05
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:21:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:26:06
↑ 19↓ 370.5%
25K· 15.53 mi
6:43/mi
1:42:22
↑ 66↓ 880.2%
30K· 18.64 mi
6:53/mi
2:03:46
↑ 181↓ 1480.2%
20M
6:57/mi
2:13:13
↑ 64↓ 500.2%
21M
7:11/mi
2:20:24
↑ 106↓ 241.6%
35K· 21.75 mi
6:34/mi
2:25:19
↑ 17↓ 861.7%
23M
6:45/mi
2:33:46
↑ 23↓ 630.6%
24M
6:38/mi
2:40:24
↓ 821.3%
40K· 24.85 mi
6:47/mi
2:46:12
↓ 200.3%
25.2M
7:27/mi
2:48:46
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:55:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:06
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5520:356:3820:35
6:38
-
10K
6.21 mi10:42:1040:506:3420:15
6:31
-0:07
15K
9.32 mi11:02:251:01:056:3320:15
6:31
0:00
20K
12.43 mi11:22:561:21:366:3420:31
6:36
+0:05
Half
13.11 mi11:27:261:26:066:344:30
6:36
0:00
25K
15.53 mi11:43:421:42:226:3516:16
6:43
+0:07
30K
18.64 mi12:05:062:03:466:3821:24
6:53
+0:10
20M
20.00 mi12:14:332:13:136:409:27
6:57
+0:04
21M
21.00 mi12:21:442:20:246:417:11
7:11
+0:14
35K
21.75 mi12:26:392:25:196:414:55
6:34
-0:37
23M
23.00 mi12:35:062:33:466:418:27
6:45
+0:11
24M
24.00 mi12:41:442:40:246:416:38
6:38
-0:07
40K
24.85 mi12:47:322:46:126:415:48
6:47
+0:09
25.2M
25.20 mi12:50:062:48:466:422:34
7:27
+0:40
Finish
26.22 mi12:56:482:55:286:426:42
6:34
-0:53

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

6:31 /mi

Average Pace

6:42 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:43

94% of race

Time at Steady Pace

9:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:21:5520:356:3820:35
6:38
#3049
10K
6.21 mi10:42:1040:506:3420:15
6:31
#2951
15K
9.32 mi11:02:251:01:056:3320:15
6:31
#2842
20K
12.43 mi11:22:561:21:366:3420:31
6:36
#2841
Half
13.11 mi11:27:261:26:066:344:30
6:36
#2867
25K
15.53 mi11:43:421:42:226:3516:16
6:43
#2915
30K
18.64 mi12:05:062:03:466:3821:24
6:53
#2971
20M
20.00 mi12:14:332:13:136:409:27
6:57
#3006
21M
21.00 mi12:21:442:20:246:417:11
7:11
#2991
35K
21.75 mi12:26:392:25:196:414:55
6:34
#2965
23M
23.00 mi12:35:062:33:466:418:27
6:45
#2883
24M
24.00 mi12:41:442:40:246:416:38
6:38
#2872
40K
24.85 mi12:47:322:46:126:415:48
6:47
#2827
25.2M
25.20 mi12:50:062:48:466:422:34
7:27
#2830
Finish
26.22 mi12:56:482:55:286:426:42
6:34
#2813
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3049288928892740(Top 10%)2617(Top 17%)2617(Top 50%)
10K6.21 mi3.10 mi2951+982815+742815+742907(Top 11%)2777(Top 18%)2777(Top 53%)
15K9.32 mi3.11 mi2842+1092713+1022713+1022740(Top 10%)2617(Top 17%)2617(Top 50%)
20K12.43 mi3.11 mi2841+12714-12714-12854(Top 11%)2722(Top 18%)2722(Top 52%)
Half13.11 mi0.68 mi2867-262738-242738-243495(Top 13%)3305(Top 22%)3305(Top 63%)
25K15.53 mi2.42 mi2915-482786-482786-483399(Top 13%)3220(Top 21%)3220(Top 61%)
30K18.64 mi3.11 mi2971-562835-492835-493556(Top 13%)3338(Top 22%)3338(Top 63%)
20M20.00 mi1.36 mi3006-352865-302865-303709(Top 14%)3453(Top 23%)3453(Top 65%)
21M21.00 mi1.00 mi2991+152848+172848+172987(Top 11%)2798(Top 18%)2798(Top 53%)
35K21.75 mi0.75 mi2965+262823+252823+252826(Top 11%)2653(Top 17%)2653(Top 50%)
23M23.00 mi1.25 mi2883+822743+802743+802386(Top 9%)2243(Top 15%)2243(Top 42%)
24M24.00 mi1.00 mi2872+112729+142729+142740(Top 10%)2549(Top 17%)2549(Top 48%)
40K24.85 mi0.85 mi2827+452688+412688+412738(Top 10%)2524(Top 17%)2524(Top 48%)
25.2M25.20 mi0.35 mi2830-32690-22690-23567(Top 13%)3195(Top 21%)3195(Top 60%)
Finish26.22 mi1.02 mi2813+172672+182672+182848(Top 11%)2585(Top 17%)2585(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2740

Males

2617

M18-39

2617

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2907

Males

2777

M18-39

2777

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2740

Males

2617

M18-39

2617

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

2854

Males

2722

M18-39

2722

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3495

Males

3305

M18-39

3305

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3399

Males

3220

M18-39

3220

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3556

Males

3338

M18-39

3338

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3709

Males

3453

M18-39

3453

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

2987

Males

2798

M18-39

2798

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

2826

Males

2653

M18-39

2653

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2386

Males

2243

M18-39

2243

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2740

Males

2549

M18-39

2549

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2738

Males

2524

M18-39

2524

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3567

Males

3195

M18-39

3195

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2848

Males

2585

M18-39

2585

Passing Analysis

Category:
Athletes Passed
944
Passed By
708
Net Change
+236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3049
5K → 10K208110+98#3049#2951
10K → 15K15647+109#2951#2842
15K → 20K7069+1#2842#2841
20K → Half834-26#2841#2867
Half → 25K4896-48#2867#2915
25K → 30K70126-56#2915#2971
30K → 20M2661-35#2971#3006
20M → 21M5237+15#3006#2991
21M → 35K4519+26#2991#2965
35K → 23M9614+82#2965#2883
23M → 24M4332+11#2883#2872
24M → 40K6015+45#2872#2827
40K → 25.2M1922-3#2827#2830
25.2M → Finish4326+17#2830#2813
TOTALS944708+236
📊

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