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BOSTON MARATHON 2023

Alexander Leutloff

Bib: 31380•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

Start
0:00:00
Race begins
5K· 3.11 mi
31:58
Rank: #24190
Start → 5K
31:58 | 10:17/mi
10K· 6.21 mi
1:04:06
Rank: #24302 (-112)
5K → 10K
32:08 | 10:21/mi
15K· 9.32 mi
1:35:18
Rank: #24063 (+239)
10K → 15K
31:12 | 10:03/mi
20K· 12.43 mi
2:07:33
Rank: #23946 (+117)
15K → 20K
32:15 | 10:23/mi
Half· 13.11 mi
2:14:19
Rank: #23895 (+51)
20K → Half
6:46 | 9:55/mi
25K· 15.53 mi
2:39:51
Rank: #23754 (+141)
Half → 25K
25:32 | 10:32/mi
30K· 18.64 mi
3:13:12
Rank: #23550 (+204)
25K → 30K
33:21 | 10:44/mi
20M
3:27:59
Rank: #23480 (+70)
30K → 20M
14:47 | 10:53/mi
21M
3:39:25
Rank: #23391 (+89)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:47:03
Rank: #23330 (+61)
21M → 35K
7:38 | 10:12/mi
23M
3:59:31
Rank: #23173 (+157)
35K → 23M
12:28 | 9:57/mi
24M
4:08:57
Rank: #23013 (+160)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
4:17:11
Rank: #22879 (+134)
24M → 40K
8:14 | 9:38/mi
25.2M
4:20:37
Rank: #22824 (+55)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
4:29:34
Rank: #22703 (+121)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:14:19
Pace10:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:15:15
Pace10:19 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4231:5810:1731:58
10:17
-
10K
6.21 mi12:21:501:04:0610:1932:08
10:21
+0:04
15K
9.32 mi12:53:021:35:1810:1331:12
10:03
-0:18
20K
12.43 mi13:25:172:07:3310:1632:15
10:23
+0:20
Half
13.11 mi13:32:032:14:1910:156:46
9:55
-0:28
25K
15.53 mi13:57:352:39:5110:1725:32
10:32
+0:37
30K
18.64 mi14:30:563:13:1210:2233:21
10:44
+0:12
20M
20.00 mi14:45:433:27:5910:2414:47
10:53
+0:09
21M
21.00 mi14:57:093:39:2510:2711:26
11:26
+0:33
35K
21.75 mi15:04:473:47:0310:267:38
10:12
-1:14
23M
23.00 mi15:17:153:59:3110:2512:28
9:57
-0:15
24M
24.00 mi15:26:414:08:5710:229:26
9:26
-0:31
40K
24.85 mi15:34:554:17:1110:218:14
9:38
+0:12
25.2M
25.20 mi15:38:214:20:3710:213:26
9:57
+0:19
Finish
26.22 mi15:47:184:29:3410:178:57
8:47
-1:10

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

8:47 /mi

Average Pace

10:17 /mi

Slowest Pace

11:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:37

10% of race

Time at Steady Pace

2:37:51

59% of race

Time at Slower Pace

1:25:06

32% of race

Average Pace: 10:17 /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 mi11:49:4231:5810:1731:58
10:17
#24190
10K
6.21 mi12:21:501:04:0610:1932:08
10:21
#24302
15K
9.32 mi12:53:021:35:1810:1331:12
10:03
#24063
20K
12.43 mi13:25:172:07:3310:1632:15
10:23
#23946
Half
13.11 mi13:32:032:14:1910:156:46
9:55
#23895
25K
15.53 mi13:57:352:39:5110:1725:32
10:32
#23754
30K
18.64 mi14:30:563:13:1210:2233:21
10:44
#23550
20M
20.00 mi14:45:433:27:5910:2414:47
10:53
#23480
21M
21.00 mi14:57:093:39:2510:2711:26
11:26
#23391
35K
21.75 mi15:04:473:47:0310:267:38
10:12
#23330
23M
23.00 mi15:17:153:59:3110:2512:28
9:57
#23173
24M
24.00 mi15:26:414:08:5710:229:26
9:26
#23013
40K
24.85 mi15:34:554:17:1110:218:14
9:38
#22879
25.2M
25.20 mi15:38:214:20:3710:213:26
9:57
#22824
Finish
26.22 mi15:47:184:29:3410:178:57
8:47
#22703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24190141861418623571(Top 89%)13901(Top 92%)13901(Top 263%)
10K6.21 mi3.10 mi24302-11214226-4014226-4024371(Top 92%)14248(Top 94%)14248(Top 270%)
15K9.32 mi3.11 mi24063+23914116+11014116+11023571(Top 89%)13901(Top 92%)13901(Top 263%)
20K12.43 mi3.11 mi23946+11714066+5014066+5023612(Top 89%)13897(Top 92%)13897(Top 263%)
Half13.11 mi0.68 mi23895+5114044+2214044+2223101(Top 87%)13669(Top 90%)13669(Top 259%)
25K15.53 mi2.42 mi23754+14113967+7713967+7723244(Top 87%)13704(Top 90%)13704(Top 259%)
30K18.64 mi3.11 mi23550+20413856+11113856+11122658(Top 85%)13360(Top 88%)13360(Top 253%)
20M20.00 mi1.36 mi23480+7013810+4613810+4622473(Top 84%)13213(Top 87%)13213(Top 250%)
21M21.00 mi1.00 mi23391+8913765+4513765+4521741(Top 82%)12870(Top 85%)12870(Top 244%)
35K21.75 mi0.75 mi23330+6113726+3913726+3921783(Top 82%)12840(Top 85%)12840(Top 243%)
23M23.00 mi1.25 mi23173+15713643+8313643+8319862(Top 75%)11962(Top 79%)11962(Top 226%)
24M24.00 mi1.00 mi23013+16013546+9713546+9718971(Top 71%)11526(Top 76%)11526(Top 218%)
40K24.85 mi0.85 mi22879+13413478+6813478+6818803(Top 71%)11405(Top 75%)11405(Top 216%)
25.2M25.20 mi0.35 mi22824+5513453+2513453+2517183(Top 65%)10652(Top 70%)10652(Top 202%)
Finish26.22 mi1.02 mi22703+12113391+6213391+6216941(Top 64%)10592(Top 70%)10592(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23571

Males

13901

M18-39

13901

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24371

Males

14248

M18-39

14248

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23571

Males

13901

M18-39

13901

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23612

Males

13897

M18-39

13897

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23101

Males

13669

M18-39

13669

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23244

Males

13704

M18-39

13704

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22658

Males

13360

M18-39

13360

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22473

Males

13213

M18-39

13213

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21741

Males

12870

M18-39

12870

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21783

Males

12840

M18-39

12840

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19862

Males

11962

M18-39

11962

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18971

Males

11526

M18-39

11526

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18803

Males

11405

M18-39

11405

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17183

Males

10652

M18-39

10652

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16941

Males

10592

M18-39

10592

Passing Analysis

Category:
Athletes Passed
1926
Passed By
439
Net Change
+1487
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24190
5K → 10K141253-112#24190#24302
10K → 15K28142+239#24302#24063
15K → 20K17861+117#24063#23946
20K → Half598+51#23946#23895
Half → 25K16524+141#23895#23754
25K → 30K22117+204#23754#23550
30K → 20M8616+70#23550#23480
20M → 21M10112+89#23480#23391
21M → 35K643+61#23391#23330
35K → 23M1592+157#23330#23173
23M → 24M1600+160#23173#23013
24M → 40K1351+134#23013#22879
40K → 25.2M550+55#22879#22824
25.2M → Finish1210+121#22824#22703
TOTALS1926439+1487
📊

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