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BOSTON MARATHON 2024

L. Ryan Shaffer

Bib: 27073•M

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:12
Rank: #20374
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
56:46
Rank: #20408 (-34)
5K → 10K
28:34 | 9:12/mi
15K· 9.32 mi
1:25:00
Rank: #20029 (+379)
10K → 15K
28:14 | 9:05/mi
20K· 12.43 mi
2:03:02
Rank: #21735 (-1706)
15K → 20K
38:02 | 12:15/mi
Half· 13.11 mi
2:10:45
Rank: #21875 (-140)
20K → Half
7:43 | 11:19/mi
25K· 15.53 mi
2:45:35
Rank: #22912 (-1037)
Half → 25K
34:50 | 14:22/mi
30K· 18.64 mi
3:34:07
Rank: #23744 (-832)
25K → 30K
48:32 | 15:37/mi
20M
3:56:10
Rank: #23959 (-215)
30K → 20M
22:03 | 16:14/mi
21M
4:10:26
Rank: #23889 (+70)
20M → 21M
14:16 | 14:16/mi
35K· 21.75 mi
4:20:45
Rank: #23906 (-17)
21M → 35K
10:19 | 13:47/mi
23M
4:38:37
Rank: #23909 (-3)
35K → 23M
17:52 | 14:16/mi
24M
4:51:29
Rank: #23881 (+28)
23M → 24M
12:52 | 12:52/mi
40K· 24.85 mi
5:02:47
Rank: #23855 (+26)
24M → 40K
11:18 | 13:13/mi
25.2M
5:07:52
Rank: #23851 (+4)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
5:20:58
Rank: #23887 (-36)
25.2M → Finish
13:06 | 12:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:45
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time3:10:13
Pace14:31 /mi
📊Positive Split: 45.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:3328:129:0528:12
9:05
-
10K
6.21 mi12:23:0756:469:0828:34
9:12
+0:07
15K
9.32 mi12:51:211:25:009:0728:14
9:05
-0:07
20K
12.43 mi13:29:232:03:029:5438:02
12:15
+3:10
Half
13.11 mi13:37:062:10:459:587:43
11:19
-0:56
25K
15.53 mi14:11:562:45:3510:4034:50
14:22
+3:03
30K
18.64 mi15:00:283:34:0711:2948:32
15:37
+1:15
20M
20.00 mi15:22:313:56:1011:4822:03
16:14
+0:37
21M
21.00 mi15:36:474:10:2611:5614:16
14:16
-1:58
35K
21.75 mi15:47:064:20:4511:5910:19
13:47
-0:29
23M
23.00 mi16:04:584:38:3712:0717:52
14:16
+0:29
24M
24.00 mi16:17:504:51:2912:0912:52
12:52
-1:24
40K
24.85 mi16:29:085:02:4712:1111:18
13:13
+0:21
25.2M
25.20 mi16:34:135:07:5212:135:05
14:44
+1:31
Finish
26.22 mi16:47:195:20:5812:1513:06
12:51
-1:53

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

9:05 /mi

Average Pace

12:15 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:43

29% of race

Time at Steady Pace

1:57:45

37% of race

Time at Slower Pace

1:50:30

34% of race

Average Pace: 12:14 /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 mi11:54:3328:129:0528:12
9:05
#20374
10K
6.21 mi12:23:0756:469:0828:34
9:12
#20408
15K
9.32 mi12:51:211:25:009:0728:14
9:05
#20029
20K
12.43 mi13:29:232:03:029:5438:02
12:15
#21735
Half
13.11 mi13:37:062:10:459:587:43
11:19
#21875
25K
15.53 mi14:11:562:45:3510:4034:50
14:22
#22912
30K
18.64 mi15:00:283:34:0711:2948:32
15:37
#23744
20M
20.00 mi15:22:313:56:1011:4822:03
16:14
#23959
21M
21.00 mi15:36:474:10:2611:5614:16
14:16
#23889
35K
21.75 mi15:47:064:20:4511:5910:19
13:47
#23906
23M
23.00 mi16:04:584:38:3712:0717:52
14:16
#23909
24M
24.00 mi16:17:504:51:2912:0912:52
12:52
#23881
40K
24.85 mi16:29:085:02:4712:1111:18
13:13
#23855
25.2M
25.20 mi16:34:135:07:5212:135:05
14:44
#23851
Finish
26.22 mi16:47:195:20:5812:1513:06
12:51
#23887
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20374122521225219268(Top 75%)11835(Top 81%)11835(Top 244%)
10K6.21 mi3.10 mi20408-3412297-4512297-4520471(Top 80%)12348(Top 85%)12348(Top 255%)
15K9.32 mi3.11 mi20029+37912140+15712140+15719268(Top 75%)11835(Top 81%)11835(Top 244%)
20K12.43 mi3.11 mi21735-170612922-78212922-78224227(Top 95%)14038(Top 96%)14038(Top 290%)
Half13.11 mi0.68 mi21875-14012990-6812990-6823891(Top 94%)13853(Top 95%)13853(Top 286%)
25K15.53 mi2.42 mi22912-103713466-47613466-47625110(Top 98%)14370(Top 99%)14370(Top 296%)
30K18.64 mi3.11 mi23744-83213820-35413820-35425227(Top 99%)14384(Top 99%)14384(Top 297%)
20M20.00 mi1.36 mi23959-21513888-6813888-6825240(Top 99%)14386(Top 99%)14386(Top 297%)
21M21.00 mi1.00 mi23889+7013853+3513853+3522674(Top 89%)12996(Top 89%)12996(Top 268%)
35K21.75 mi0.75 mi23906-1713852+113852+124095(Top 94%)13703(Top 94%)13703(Top 283%)
23M23.00 mi1.25 mi23909-313842+1013842+1024053(Top 94%)13687(Top 94%)13687(Top 282%)
24M24.00 mi1.00 mi23881+2813816+2613816+2622863(Top 89%)12986(Top 89%)12986(Top 268%)
40K24.85 mi0.85 mi23855+2613795+2113795+2122589(Top 88%)12805(Top 88%)12805(Top 264%)
25.2M25.20 mi0.35 mi23851+413792+313792+322695(Top 89%)12860(Top 88%)12860(Top 265%)
Finish26.22 mi1.02 mi23887-3613798-613798-624229(Top 95%)13704(Top 94%)13704(Top 283%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19268

Males

11835

M18-39

11835

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20471

Males

12348

M18-39

12348

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19268

Males

11835

M18-39

11835

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

24227

Males

14038

M18-39

14038

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

23891

Males

13853

M18-39

13853

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

25110

Males

14370

M18-39

14370

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

25227

Males

14384

M18-39

14384

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

25240

Males

14386

M18-39

14386

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

22674

Males

12996

M18-39

12996

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24095

Males

13703

M18-39

13703

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24053

Males

13687

M18-39

13687

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

22863

Males

12986

M18-39

12986

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

22589

Males

12805

M18-39

12805

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22695

Males

12860

M18-39

12860

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

24229

Males

13704

M18-39

13704

Passing Analysis

Category:
Athletes Passed
999
Passed By
4512
Net Change
-3513
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20374
5K → 10K255289-34#20374#20408
10K → 15K42445+379#20408#20029
15K → 20K51711-1706#20029#21735
20K → Half6146-140#21735#21875
Half → 25K191056-1037#21875#22912
25K → 30K15847-832#22912#23744
30K → 20M15230-215#23744#23959
20M → 21M8313+70#23959#23889
21M → 35K2340-17#23889#23906
35K → 23M3841-3#23906#23909
23M → 24M4618+28#23909#23881
24M → 40K348+26#23881#23855
40K → 25.2M1814+4#23855#23851
25.2M → Finish1854-36#23851#23887
TOTALS9994512-3513
📊

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