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BOSTON MARATHON 2024

Lawrence Blackman

Bib: 23518•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M75-79)
#0 / 43
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:36
Rank: #22630
Start → 5K
9:51/mi
30:36 split
10K· 6.21 mi
1:02:31
Rank: #22912 (-282)
5K → 10K
10:16/mi
31:55 split
15K· 9.32 mi
1:34:43
Rank: #22841 (+71)
10K → 15K
10:22/mi
32:12 split
20K· 12.43 mi
2:07:32
Rank: #22552 (+289)
15K → 20K
10:34/mi
32:49 split
Half· 13.11 mi
2:14:32
Rank: #22538 (+14)
20K → Half
10:16/mi
7:00 split
25K· 15.53 mi
2:40:51
Rank: #22314 (+224)
Half → 25K
10:51/mi
26:19 split
30K· 18.64 mi
3:16:25
Rank: #22042 (+272)
25K → 30K
11:27/mi
35:34 split
20M
3:32:38
Rank: #21956 (+86)
30K → 20M
11:56/mi
16:13 split
21M
3:45:36
Rank: #21903 (+53)
20M → 21M
12:58/mi
12:58 split
35K· 21.75 mi
3:55:44
Rank: #22000 (-97)
21M → 35K
13:33/mi
10:08 split
23M
4:13:49
Rank: #22238 (-238)
35K → 23M
14:27/mi
18:05 split
24M
4:28:42
Rank: #22444 (-206)
23M → 24M
14:53/mi
14:53 split
40K· 24.85 mi
4:43:17
Rank: #22753 (-309)
24M → 40K
17:03/mi
14:35 split
25.2M
4:50:08
Rank: #22883 (-130)
40K → 25.2M
19:52/mi
6:51 split
Finish· 26.22 mi
5:09:05
Rank: #23281 (-398)
25.2M → Finish
18:36/mi
18:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:32
Pace10:16 /mi
2nd Half
Distance13.11 mi
Time2:54:33
Pace13:19 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:2430:369:5130:36
9:51
-
10K
6.21 mi12:03:191:02:3110:0431:55
10:16
+0:25
15K
9.32 mi12:35:311:34:4310:1032:12
10:22
+0:06
20K
12.43 mi13:08:202:07:3210:1632:49
10:34
+0:12
Half
13.11 mi13:15:202:14:3210:167:00
10:16
-0:18
25K
15.53 mi13:41:392:40:5110:2126:19
10:51
+0:35
30K
18.64 mi14:17:133:16:2510:3235:34
11:27
+0:36
20M
20.00 mi14:33:263:32:3810:3816:13
11:56
+0:29
21M
21.00 mi14:46:243:45:3610:4512:58
12:58
+1:02
35K
21.75 mi14:56:323:55:4410:5010:08
13:33
+0:35
23M
23.00 mi15:14:374:13:4911:0218:05
14:27
+0:54
24M
24.00 mi15:29:304:28:4211:1214:53
14:53
+0:26
40K
24.85 mi15:44:054:43:1711:2414:35
17:03
+2:10
25.2M
25.20 mi15:50:564:50:0811:316:51
19:52
+2:49
Finish
26.22 mi16:09:535:09:0511:4818:57
18:36
-1:16

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

9:51 /mi

Average Pace

11:48 /mi

Slowest Pace

19:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:43

33% of race

Time at Steady Pace

2:03:53

40% of race

Time at Slower Pace

1:23:29

27% of race

Average Pace: 11:47 /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 mi11:31:2430:369:5130:36
9:51
#22630
10K
6.21 mi12:03:191:02:3110:0431:55
10:16
#22912
15K
9.32 mi12:35:311:34:4310:1032:12
10:22
#22841
20K
12.43 mi13:08:202:07:3210:1632:49
10:34
#22552
Half
13.11 mi13:15:202:14:3210:167:00
10:16
#22538
25K
15.53 mi13:41:392:40:5110:2126:19
10:51
#22314
30K
18.64 mi14:17:133:16:2510:3235:34
11:27
#22042
20M
20.00 mi14:33:263:32:3810:3816:13
11:56
#21956
21M
21.00 mi14:46:243:45:3610:4512:58
12:58
#21903
35K
21.75 mi14:56:323:55:4410:5010:08
13:33
#22000
23M
23.00 mi15:14:374:13:4911:0218:05
14:27
#22238
24M
24.00 mi15:29:304:28:4211:1214:53
14:53
#22444
40K
24.85 mi15:44:054:43:1711:2414:35
17:03
#22753
25.2M
25.20 mi15:50:564:50:0811:316:51
19:52
#22883
Finish
26.22 mi16:09:535:09:0511:4818:57
18:36
#23281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi22630133661336622671(Top 89%)13372(Top 92%)13372(Top 31098%)
10K6.21 mi3.10 mi22912-28213495-12913495-12923110(Top 90%)13577(Top 93%)13577(Top 31574%)
15K9.32 mi3.11 mi22841+7113471+2413471+2422671(Top 89%)13372(Top 92%)13372(Top 31098%)
20K12.43 mi3.11 mi22552+28913323+14813323+14821789(Top 85%)12957(Top 89%)12957(Top 30133%)
Half13.11 mi0.68 mi22538+1413311+1213311+1222140(Top 87%)13069(Top 90%)13069(Top 30393%)
25K15.53 mi2.42 mi22314+22413187+12413187+12421199(Top 83%)12577(Top 86%)12577(Top 29249%)
30K18.64 mi3.11 mi22042+27213008+17913008+17920911(Top 82%)12284(Top 84%)12284(Top 28567%)
20M20.00 mi1.36 mi21956+8612943+6512943+6521241(Top 83%)12318(Top 84%)12318(Top 28647%)
21M21.00 mi1.00 mi21903+5312900+4312900+4320669(Top 81%)11980(Top 82%)11980(Top 27860%)
35K21.75 mi0.75 mi22000-9712939-3912939-3923869(Top 93%)13588(Top 93%)13588(Top 31600%)
23M23.00 mi1.25 mi22238-23813036-9713036-9724214(Top 95%)13768(Top 94%)13768(Top 32019%)
24M24.00 mi1.00 mi22444-20613118-8213118-8224762(Top 97%)14038(Top 96%)14038(Top 32647%)
40K24.85 mi0.85 mi22753-30913255-13713255-13725224(Top 99%)14344(Top 98%)14344(Top 33358%)
25.2M25.20 mi0.35 mi22883-13013319-6413319-6425355(Top 99%)14441(Top 99%)14441(Top 33584%)
Finish26.22 mi1.02 mi23281-39813501-18213501-18225482(Top 100%)14532(Top 100%)14532(Top 33795%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22671

Males

13372

M75-79

13372

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23110

Males

13577

M75-79

13577

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22671

Males

13372

M75-79

13372

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

21789

Males

12957

M75-79

12957

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

22140

Males

13069

M75-79

13069

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21199

Males

12577

M75-79

12577

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

20911

Males

12284

M75-79

12284

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21241

Males

12318

M75-79

12318

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20669

Males

11980

M75-79

11980

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23869

Males

13588

M75-79

13588

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

24214

Males

13768

M75-79

13768

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24762

Males

14038

M75-79

14038

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

25224

Males

14344

M75-79

14344

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

25355

Males

14441

M75-79

14441

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

25482

Males

14532

M75-79

14532

Passing Analysis

Category:
Athletes Passed
1497
Passed By
2148
Net Change
-651
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22630
5K → 10K102384-282#22630#22912
10K → 15K190119+71#22912#22841
15K → 20K33445+289#22841#22552
20K → Half3420+14#22552#22538
Half → 25K24925+224#22538#22314
25K → 30K31745+272#22314#22042
30K → 20M11832+86#22042#21956
20M → 21M8532+53#21956#21903
21M → 35K21118-97#21903#22000
35K → 23M19257-238#22000#22238
23M → 24M14220-206#22238#22444
24M → 40K7316-309#22444#22753
40K → 25.2M2132-130#22753#22883
25.2M → Finish5403-398#22883#23281
TOTALS14972148-651
📊

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