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BOSTON MARATHON 2023

Andreas Lenk

Bib: 12268•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M50-54)
#0 / 2052
Top 25%
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
47:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:10:13
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:33:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:38:50
↑ 19↓ 370.5%
25K· 15.53 mi
7:30/mi
1:57:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:20:28
↑ 181↓ 1480.2%
20M
7:24/mi
2:30:31
↑ 64↓ 500.2%
21M
7:39/mi
2:38:10
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:43:28
↑ 17↓ 861.7%
23M
7:12/mi
2:52:29
↑ 23↓ 630.6%
24M
6:59/mi
2:59:28
↓ 821.3%
40K· 24.85 mi
6:59/mi
3:05:26
↓ 200.3%
25.2M
7:32/mi
3:08:02
↑ 13↓ 160.2%
Finish· 26.22 mi
6:36/mi
3:14:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:56
Pace7:19 /mi
📊Negative Split: 2.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1023:397:3723:39
7:37
-
10K
6.21 mi11:14:3147:007:3423:21
7:31
-0:06
15K
9.32 mi11:37:441:10:137:3223:13
7:28
-0:03
20K
12.43 mi12:01:141:33:437:3223:30
7:34
+0:06
Half
13.11 mi12:06:211:38:507:325:07
7:30
-0:04
25K
15.53 mi12:24:331:57:027:3218:12
7:30
0:00
30K
18.64 mi12:47:592:20:287:3223:26
7:33
+0:03
20M
20.00 mi12:58:022:30:317:3210:03
7:24
-0:09
21M
21.00 mi13:05:412:38:107:327:39
7:39
+0:15
35K
21.75 mi13:10:592:43:287:315:18
7:05
-0:34
23M
23.00 mi13:20:002:52:297:309:01
7:12
+0:07
24M
24.00 mi13:26:592:59:287:296:59
6:59
-0:13
40K
24.85 mi13:32:573:05:267:285:58
6:59
0:00
25.2M
25.20 mi13:35:333:08:027:282:36
7:32
+0:33
Finish
26.22 mi13:42:173:14:467:266:44
6:36
-0:56

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

6:36 /mi

Average Pace

7:26 /mi

Slowest Pace

7:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:00

17% of race

Time at Steady Pace

2:40:46

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:51:1023:397:3723:39
7:37
#10626
10K
6.21 mi11:14:3147:007:3423:21
7:31
#10578
15K
9.32 mi11:37:441:10:137:3223:13
7:28
#10357
20K
12.43 mi12:01:141:33:437:3223:30
7:34
#10196
Half
13.11 mi12:06:211:38:507:325:07
7:30
#10183
25K
15.53 mi12:24:331:57:027:3218:12
7:30
#9917
30K
18.64 mi12:47:592:20:287:3223:26
7:33
#9441
20M
20.00 mi12:58:022:30:317:3210:03
7:24
#9151
21M
21.00 mi13:05:412:38:107:327:39
7:39
#8901
35K
21.75 mi13:10:592:43:287:315:18
7:05
#8753
23M
23.00 mi13:20:002:52:297:309:01
7:12
#8464
24M
24.00 mi13:26:592:59:287:296:59
6:59
#8224
40K
24.85 mi13:32:573:05:267:285:58
6:59
#7984
25.2M
25.20 mi13:35:333:08:027:282:36
7:32
#7914
Finish
26.22 mi13:42:173:14:467:266:44
6:36
#7668
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10626845984599935(Top 37%)8107(Top 53%)8107(Top 395%)
10K6.21 mi3.10 mi10578+488452+78452+710551(Top 40%)8450(Top 56%)8450(Top 412%)
15K9.32 mi3.11 mi10357+2218352+1008352+1009935(Top 37%)8107(Top 53%)8107(Top 395%)
20K12.43 mi3.11 mi10196+1618257+958257+959790(Top 37%)7951(Top 52%)7951(Top 387%)
Half13.11 mi0.68 mi10183+138242+158242+1510143(Top 38%)8155(Top 54%)8155(Top 397%)
25K15.53 mi2.42 mi9917+2668086+1568086+1568815(Top 33%)7316(Top 48%)7316(Top 357%)
30K18.64 mi3.11 mi9441+4767760+3267760+3267514(Top 28%)6395(Top 42%)6395(Top 312%)
20M20.00 mi1.36 mi9151+2907571+1897571+1896171(Top 23%)5423(Top 36%)5423(Top 264%)
21M21.00 mi1.00 mi8901+2507404+1677404+1675373(Top 20%)4745(Top 31%)4745(Top 231%)
35K21.75 mi0.75 mi8753+1487307+977307+975834(Top 22%)5124(Top 34%)5124(Top 250%)
23M23.00 mi1.25 mi8464+2897097+2107097+2104804(Top 18%)4320(Top 28%)4320(Top 211%)
24M24.00 mi1.00 mi8224+2406925+1726925+1724615(Top 17%)4151(Top 27%)4151(Top 202%)
40K24.85 mi0.85 mi7984+2406759+1666759+1663752(Top 14%)3393(Top 22%)3393(Top 165%)
25.2M25.20 mi0.35 mi7914+706706+536706+534120(Top 15%)3662(Top 24%)3662(Top 178%)
Finish26.22 mi1.02 mi7668+2466528+1786528+1783040(Top 11%)2749(Top 18%)2749(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9935

Males

8107

M50-54

8107

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10551

Males

8450

M50-54

8450

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9935

Males

8107

M50-54

8107

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9790

Males

7951

M50-54

7951

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10143

Males

8155

M50-54

8155

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8815

Males

7316

M50-54

7316

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7514

Males

6395

M50-54

6395

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6171

Males

5423

M50-54

5423

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5373

Males

4745

M50-54

4745

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5834

Males

5124

M50-54

5124

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4804

Males

4320

M50-54

4320

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4615

Males

4151

M50-54

4151

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3752

Males

3393

M50-54

3393

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4120

Males

3662

M50-54

3662

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3040

Males

2749

M50-54

2749

Passing Analysis

Category:
Athletes Passed
3471*
Passed By
513
Net Change
+2958
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10626
5K → 10K309*261+48#10626#10578
10K → 15K323102+221#10578#10357
15K → 20K241*80+161#10357#10196
20K → Half4027+13#10196#10183
Half → 25K287*21+266#10183#9917
25K → 30K486*10+476#9917#9441
30K → 20M2933+290#9441#9151
20M → 21M2511+250#9151#8901
21M → 35K1513+148#8901#8753
35K → 23M2901+289#8753#8464
23M → 24M2411+240#8464#8224
24M → 40K2411+240#8224#7984
40K → 25.2M722+70#7984#7914
25.2M → Finish2460+246#7914#7668
TOTALS3471*513+2958

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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