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BOSTON MARATHON 2024

Lee Shepherd

Bib: 28821 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
9:39/mi
29:58
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:23/mi
59:07
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:51/mi
1:29:44
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:24/mi
2:05:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:10/mi
2:12:05
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:52/mi
2:38:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:23/mi
3:13:48
↑ 181↓ 1480.2%
138 ft elev
20M
11:27/mi
3:29:22
↑ 64↓ 500.2%
148 ft elev
21M
12:05/mi
3:41:27
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:19/mi
3:49:55
↑ 17↓ 861.7%
156 ft elev
23M
10:27/mi
4:03:00
↑ 23↓ 630.6%
116 ft elev
24M
11:47/mi
4:14:47
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:18/mi
4:23:35
↓ 200.3%
20 ft elev
25.2M
13:17/mi
4:28:10
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:24/mi
4:37:45
↑ 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
2:12:0510:05 /mi⚡ faster
2nd Half
2:25:4011:07 /mi+10.3%
Positive split — 10.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
29:589:393.11 mi29:58
9:39
-
10K
59:079:313.10 mi29:09
9:23
-0:16
15K
1:29:449:383.11 mi30:37
9:51
+0:28
20K
2:05:0910:043.11 mi35:25
11:24
+1:33
Half(13.11 mi)
2:12:0510:050.68 mi6:56
10:10
-1:14
25K
2:38:2710:122.42 mi26:22
10:52
+0:42
30K
3:13:4810:243.11 mi35:21
11:23
+0:31
20M
3:29:2210:281.36 mi15:34
11:27
+0:04
21M
3:41:2710:331.00 mi12:05
12:05
+0:38
35K
3:49:5510:340.75 mi8:28
11:19
-0:46
23M
4:03:0010:341.25 mi13:05
10:27
-0:52
24M
4:14:4710:371.00 mi11:47
11:47
+1:20
40K
4:23:3510:360.85 mi8:48
10:18
-1:29
25.2M
4:28:1010:380.35 mi4:35
13:17
+2:59
Finish(26.22 mi)
4:37:4510:361.02 mi9:35
9:24
-3:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:23 /mi

Average Pace

10:36 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:55:03

41% of race

Time at Steady Pace

1:58:41

43% of race

Time at Slower Pace

44:01

16% of race

Average Pace: 10:36 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi221261310913109215721288812888
10K6.21 mi3.10 mi21572+55412842+26712842+267210401260512605
15K9.32 mi3.11 mi21580-812859-1712859-17215721288812888
20K12.43 mi3.11 mi22125-54513113-25413113-254232541361913619
Half13.11 mi0.68 mi22110+1513099+1413099+14218741293312933
25K15.53 mi2.42 mi21977+13313016+8313016+83212321259412594
30K18.64 mi3.11 mi21740+23712855+16112855+161207701221212212
20M20.00 mi1.36 mi21625+11512772+8312772+83203011188011880
21M21.00 mi1.00 mi21469+15612689+8312689+83189931114711147
35K21.75 mi0.75 mi21439+3012664+2512664+25204671185311853
23M23.00 mi1.25 mi21183+25612506+15812506+158169151001310013
24M24.00 mi1.00 mi21160+2312479+2712479+27209821200712007
40K24.85 mi0.85 mi20995+16512391+8812391+881601394799479
25.2M25.20 mi0.35 mi20991+412383+812383+8202801158211582
Finish26.22 mi1.02 mi20840+15112299+8412299+841610095129512

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

21572

Males

12888

M50-54

12888

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21040

Males

12605

M50-54

12605

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

21572

Males

12888

M50-54

12888

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23254

Males

13619

M50-54

13619

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

21874

Males

12933

M50-54

12933

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21232

Males

12594

M50-54

12594

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

20770

Males

12212

M50-54

12212

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20301

Males

11880

M50-54

11880

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

18993

Males

11147

M50-54

11147

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

20467

Males

11853

M50-54

11853

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

16915

Males

10013

M50-54

10013

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

20982

Males

12007

M50-54

12007

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16013

Males

9479

M50-54

9479

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20280

Males

11582

M50-54

11582

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16100

Males

9512

M50-54

9512

Passing Analysis

Category:
Athletes Passed
2437
Passed By
1151
Net Change
+1286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22126
5K → 10K60551+554#22126#21572
10K → 15K182190-8#21572#21580
15K → 20K49594-545#21580#22125
20K → Half4429+15#22125#22110
Half → 25K21077+133#22110#21977
25K → 30K30265+237#21977#21740
30K → 20M13823+115#21740#21625
20M → 21M16812+156#21625#21469
21M → 35K6333+30#21469#21439
35K → 23M2560+256#21439#21183
23M → 24M7754+23#21183#21160
24M → 40K1672+165#21160#20995
40K → 25.2M2420+4#20995#20991
25.2M → Finish1521+151#20991#20840
TOTALS24371151+1286

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