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BOSTON MARATHON 2023

Lawrence Richard

AB

Bib: 23493 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:17/mi
28:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:29/mi
58:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:17/mi
1:27:11
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:24/mi
1:56:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:58/mi
2:02:30
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:13/mi
2:24:50
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:40/mi
2:54:52
↑ 181↓ 1480.2%
138 ft elev
20M
9:39/mi
3:07:59
↑ 64↓ 500.2%
148 ft elev
21M
10:38/mi
3:18:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:24/mi
3:25:39
↑ 17↓ 861.7%
156 ft elev
23M
9:36/mi
3:37:40
↑ 23↓ 630.6%
116 ft elev
24M
10:27/mi
3:48:07
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:35/mi
3:57:10
↓ 200.3%
20 ft elev
25.2M
10:35/mi
4:00:49
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:56/mi
4:09:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:30
Pace9:21 /mi
2nd Half
Distance13.11 mi
Time2:07:25
Pace9:43 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2528:529:1728:52
9:17
-
10K
6.21 mi11:53:5358:209:2329:28
9:29
+0:12
15K
9.32 mi12:22:441:27:119:2128:51
9:17
-0:12
20K
12.43 mi12:51:561:56:239:2229:12
9:24
+0:07
Half
13.11 mi12:58:032:02:309:216:07
8:58
-0:26
25K
15.53 mi13:20:232:24:509:1922:20
9:13
+0:15
30K
18.64 mi13:50:252:54:529:2330:02
9:40
+0:27
20M
20.00 mi14:03:323:07:599:2413:07
9:39
-0:01
21M
21.00 mi14:14:103:18:379:2710:38
10:38
+0:59
35K
21.75 mi14:21:123:25:399:277:02
9:24
-1:14
23M
23.00 mi14:33:133:37:409:2812:01
9:36
+0:12
24M
24.00 mi14:43:403:48:079:3010:27
10:27
+0:51
40K
24.85 mi14:52:433:57:109:339:03
10:35
+0:08
25.2M
25.20 mi14:56:224:00:499:333:39
10:35
0:00
Finish
26.22 mi15:05:284:09:559:329:06
8:56
-1:39

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

8:56 /mi

Average Pace

9:32 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:08

86% of race

Time at Steady Pace

10:27

4% of race

Time at Slower Pace

23:20

9% of race

Average Pace: 9:32 /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 mi11:24:2528:529:1728:52
9:17
#21502
10K
6.21 mi11:53:5358:209:2329:28
9:29
#22013
15K
9.32 mi12:22:441:27:119:2128:51
9:17
#21845
20K
12.43 mi12:51:561:56:239:2229:12
9:24
#21706
Half
13.11 mi12:58:032:02:309:216:07
8:58
#21650
25K
15.53 mi13:20:232:24:509:1922:20
9:13
#21354
30K
18.64 mi13:50:252:54:529:2330:02
9:40
#21110
20M
20.00 mi14:03:323:07:599:2413:07
9:39
#20951
21M
21.00 mi14:14:103:18:379:2710:38
10:38
#20878
35K
21.75 mi14:21:123:25:399:277:02
9:24
#20815
23M
23.00 mi14:33:133:37:409:2812:01
9:36
#20680
24M
24.00 mi14:43:403:48:079:3010:27
10:27
#20743
40K
24.85 mi14:52:433:57:109:339:03
10:35
#20766
25.2M
25.20 mi14:56:224:00:499:333:39
10:35
#20749
Finish
26.22 mi15:05:284:09:559:329:06
8:56
#20647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi215021284712847215861301413014
10K6.21 mi3.10 mi22013-51113130-28313130-283224671337513375
15K9.32 mi3.11 mi21845+16813072+5813072+58215861301413014
20K12.43 mi3.11 mi21706+13913023+4913023+49212391285212852
Half13.11 mi0.68 mi21650+5612992+3112992+31202881243312433
25K15.53 mi2.42 mi21354+29612871+12112871+121198941224012240
30K18.64 mi3.11 mi21110+24412747+12412747+124200231222412224
20M20.00 mi1.36 mi20951+15912664+8312664+83193991186311863
21M21.00 mi1.00 mi20878+7312616+4812616+48199621203312033
35K21.75 mi0.75 mi20815+6312577+3912577+39195391184511845
23M23.00 mi1.25 mi20680+13512504+7312504+73187181145311453
24M24.00 mi1.00 mi20743-6312521-1712521-17219041282612826
40K24.85 mi0.85 mi20766-2312523-212523-2214081254012540
25.2M25.20 mi0.35 mi20749+1712511+1212511+12193431163411634
Finish26.22 mi1.02 mi20647+10212455+5612455+56176191089010890

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21586

Males

13014

M70-74

13014

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22467

Males

13375

M70-74

13375

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21586

Males

13014

M70-74

13014

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21239

Males

12852

M70-74

12852

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20288

Males

12433

M70-74

12433

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

19894

Males

12240

M70-74

12240

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20023

Males

12224

M70-74

12224

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19399

Males

11863

M70-74

11863

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19962

Males

12033

M70-74

12033

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19539

Males

11845

M70-74

11845

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18718

Males

11453

M70-74

11453

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21904

Males

12826

M70-74

12826

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21408

Males

12540

M70-74

12540

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19343

Males

11634

M70-74

11634

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17619

Males

10890

M70-74

10890

Passing Analysis

Category:
Athletes Passed
1875
Passed By
1020
Net Change
+855
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21502
5K → 10K88599-511#21502#22013
10K → 15K26395+168#22013#21845
15K → 20K19960+139#21845#21706
20K → Half593+56#21706#21650
Half → 25K30812+296#21650#21354
25K → 30K27935+244#21354#21110
30K → 20M16910+159#21110#20951
20M → 21M9825+73#20951#20878
21M → 35K729+63#20878#20815
35K → 23M15318+135#20815#20680
23M → 24M2285-63#20680#20743
24M → 40K3255-23#20743#20766
40K → 25.2M269+17#20766#20749
25.2M → Finish1075+102#20749#20647
TOTALS18751020+855

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