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BOSTON MARATHON 2024

Jan-Rainer Lahmann

Bib: 18020 M DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:24/mi
26:06
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:41/mi
53:06
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:23/mi
1:19:09
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:33/mi
1:45:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:30/mi
1:51:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:47/mi
2:12:47
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:34/mi
2:42:31
↑ 181↓ 1480.2%
138 ft elev
20M
9:41/mi
2:55:40
↑ 64↓ 500.2%
148 ft elev
21M
11:08/mi
3:06:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:15/mi
3:13:43
↑ 17↓ 861.7%
156 ft elev
23M
8:52/mi
3:24:49
↑ 23↓ 630.6%
116 ft elev
24M
9:24/mi
3:34:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:44/mi
3:41:41
↓ 200.3%
20 ft elev
25.2M
12:28/mi
3:45:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:18/mi
3:54:26
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:308:30 /mi⚡ faster
2nd Half
2:02:569:23 /mi+10.3%
Positive split — 10.3% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1526:068:2426:06
8:24
-
10K
6.21 mi11:45:1553:068:3327:00
8:41
+0:17
15K
9.32 mi12:11:181:19:098:3026:03
8:23
-0:18
20K
12.43 mi12:37:511:45:428:3026:33
8:33
+0:10
Half
13.11 mi12:43:391:51:308:305:48
8:30
-0:03
25K
15.53 mi13:04:562:12:478:3321:17
8:47
+0:17
30K
18.64 mi13:34:402:42:318:4329:44
9:34
+0:47
20M
20.00 mi13:47:492:55:408:4713:09
9:41
+0:07
21M
21.00 mi13:58:573:06:488:5411:08
11:08
+1:27
35K
21.75 mi14:05:523:13:438:546:55
9:15
-1:53
23M
23.00 mi14:16:583:24:498:5411:06
8:52
-0:23
24M
24.00 mi14:26:223:34:138:569:24
9:24
+0:32
40K
24.85 mi14:33:503:41:418:557:28
8:44
-0:40
25.2M
25.20 mi14:38:083:45:598:584:18
12:28
+3:44
Finish
26.22 mi14:46:353:54:268:578:27
8:18
-4:10

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

8:18 /mi

Average Pace

8:57 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:46:43

71% of race

Time at Slower Pace

1:07:43

29% of race

Average Pace: 8:56 /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 mi11:18:1526:068:2426:06
8:24
#17214
10K
6.21 mi11:45:1553:068:3327:00
8:41
#17785
15K
9.32 mi12:11:181:19:098:3026:03
8:23
#17031
20K
12.43 mi12:37:511:45:428:3026:33
8:33
#16447
Half
13.11 mi12:43:391:51:308:305:48
8:30
#16410
25K
15.53 mi13:04:562:12:478:3321:17
8:47
#16015
30K
18.64 mi13:34:402:42:318:4329:44
9:34
#15994
20M
20.00 mi13:47:492:55:408:4713:09
9:41
#15937
21M
21.00 mi13:58:573:06:488:5411:08
11:08
#16039
35K
21.75 mi14:05:523:13:438:546:55
9:15
#15972
23M
23.00 mi14:16:583:24:498:5411:06
8:52
#15650
24M
24.00 mi14:26:223:34:138:569:24
9:24
#15572
40K
24.85 mi14:33:503:41:418:557:28
8:44
#15337
25.2M
25.20 mi14:38:083:45:598:584:18
12:28
#15405
Finish
26.22 mi14:46:353:54:268:578:27
8:18
#15184
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi172141088810888157331028510285
10K6.21 mi3.10 mi17785-57111139-25111139-251182991136111361
15K9.32 mi3.11 mi17031+75410829+31010829+310157331028510285
20K12.43 mi3.11 mi16447+58410583+24610583+2461504499749974
Half13.11 mi0.68 mi16410+3710560+2310560+23156891019410194
25K15.53 mi2.42 mi16015+39510356+20410356+2041445895619561
30K18.64 mi3.11 mi15994+2110292+6410292+641573098829882
20M20.00 mi1.36 mi15937+5710232+6010232+601524594039403
21M21.00 mi1.00 mi16039-10210230+210230+21666799489948
35K21.75 mi0.75 mi15972+6710178+5210178+521443488588858
23M23.00 mi1.25 mi15650+3229990+1889990+1881046768086808
24M24.00 mi1.00 mi15572+789924+669924+661403585478547
40K24.85 mi0.85 mi15337+2359788+1369788+136955661946194
25.2M25.20 mi0.35 mi15405-689805-179805-17184071064010640
Finish26.22 mi1.02 mi15184+2219683+1229683+1221029166356635

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

15733

Males

10285

M55-59

10285

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

18299

Males

11361

M55-59

11361

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

15733

Males

10285

M55-59

10285

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15044

Males

9974

M55-59

9974

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15689

Males

10194

M55-59

10194

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

14458

Males

9561

M55-59

9561

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

15730

Males

9882

M55-59

9882

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15245

Males

9403

M55-59

9403

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16667

Males

9948

M55-59

9948

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14434

Males

8858

M55-59

8858

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10467

Males

6808

M55-59

6808

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14035

Males

8547

M55-59

8547

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9556

Males

6194

M55-59

6194

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18407

Males

10640

M55-59

10640

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10291

Males

6635

M55-59

6635

Passing Analysis

Category:
Athletes Passed
3515
Passed By
1485
Net Change
+2030
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17214
5K → 10K117688-571#17214#17785
10K → 15K77723+754#17785#17031
15K → 20K61329+584#17031#16447
20K → Half5821+37#16447#16410
Half → 25K44247+395#16410#16015
25K → 30K258237+21#16015#15994
30K → 20M14386+57#15994#15937
20M → 21M79181-102#15937#16039
21M → 35K9023+67#16039#15972
35K → 23M33311+322#15972#15650
23M → 24M12244+78#15650#15572
24M → 40K2350+235#15572#15337
40K → 25.2M2391-68#15337#15405
25.2M → Finish2254+221#15405#15184
TOTALS35151485+2030

Passing Charts

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