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BOSTON MARATHON 2023

David Lindsay

Bib: 17932•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M55-59)
#0 / 1422
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:42
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:40
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:57:12
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:21:41
↑ 181↓ 1480.2%
20M
8:06/mi
2:32:41
↑ 64↓ 500.2%
21M
8:44/mi
2:41:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:47:10
↑ 17↓ 861.7%
23M
8:10/mi
2:57:23
↑ 23↓ 630.6%
24M
7:51/mi
3:05:14
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:12:25
↓ 200.3%
25.2M
8:54/mi
3:15:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:23:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:44:58
Pace8:00 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1323:227:3123:22
7:31
-
10K
6.21 mi11:37:1146:207:2722:58
7:24
-0:07
15K
9.32 mi12:00:331:09:427:2923:22
7:31
+0:07
20K
12.43 mi12:24:231:33:327:3223:50
7:40
+0:09
Half
13.11 mi12:29:311:38:407:325:08
7:31
-0:09
25K
15.53 mi12:48:031:57:127:3318:32
7:39
+0:08
30K
18.64 mi13:12:322:21:417:3624:29
7:53
+0:14
20M
20.00 mi13:23:322:32:417:3811:00
8:06
+0:13
21M
21.00 mi13:32:162:41:257:418:44
8:44
+0:38
35K
21.75 mi13:38:012:47:107:415:45
7:41
-1:03
23M
23.00 mi13:48:142:57:237:4310:13
8:10
+0:29
24M
24.00 mi13:56:053:05:147:437:51
7:51
-0:19
40K
24.85 mi14:03:163:12:257:447:11
8:24
+0:33
25.2M
25.20 mi14:06:203:15:297:453:04
8:54
+0:30
Finish
26.22 mi14:14:293:23:387:468:09
8:00
-0:54

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

7:24 /mi

Average Pace

7:46 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:50

37% of race

Time at Steady Pace

1:28:36

44% of race

Time at Slower Pace

40:12

20% of race

Average Pace: 7:46 /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 mi11:14:1323:227:3123:22
7:31
#9794
10K
6.21 mi11:37:1146:207:2722:58
7:24
#9624
15K
9.32 mi12:00:331:09:427:2923:22
7:31
#9848
20K
12.43 mi12:24:231:33:327:3223:50
7:40
#10058
Half
13.11 mi12:29:311:38:407:325:08
7:31
#10062
25K
15.53 mi12:48:031:57:127:3318:32
7:39
#10009
30K
18.64 mi13:12:322:21:417:3624:29
7:53
#9974
20M
20.00 mi13:23:322:32:417:3811:00
8:06
#10015
21M
21.00 mi13:32:162:41:257:418:44
8:44
#10110
35K
21.75 mi13:38:012:47:107:415:45
7:41
#10080
23M
23.00 mi13:48:142:57:237:4310:13
8:10
#10115
24M
24.00 mi13:56:053:05:147:437:51
7:51
#10092
40K
24.85 mi14:03:163:12:257:447:11
8:24
#10154
25.2M
25.20 mi14:06:203:15:297:453:04
8:54
#10180
Finish
26.22 mi14:14:293:23:387:468:09
8:00
#10238
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi97948029802910340(Top 39%)8324(Top 55%)8324(Top 585%)
10K6.21 mi3.10 mi9624+1707942+877942+879548(Top 36%)7898(Top 52%)7898(Top 555%)
15K9.32 mi3.11 mi9848-2248078-1368078-13610340(Top 39%)8324(Top 55%)8324(Top 585%)
20K12.43 mi3.11 mi10058-2108188-1108188-11010669(Top 40%)8413(Top 55%)8413(Top 592%)
Half13.11 mi0.68 mi10062-48185+38185+310381(Top 39%)8290(Top 55%)8290(Top 583%)
25K15.53 mi2.42 mi10009+538131+548131+549869(Top 37%)7911(Top 52%)7911(Top 556%)
30K18.64 mi3.11 mi9974+358079+528079+529977(Top 37%)7815(Top 51%)7815(Top 550%)
20M20.00 mi1.36 mi10015-418075+48075+410958(Top 41%)8230(Top 54%)8230(Top 579%)
21M21.00 mi1.00 mi10110-958100-258100-2511839(Top 44%)8500(Top 56%)8500(Top 598%)
35K21.75 mi0.75 mi10080+308061+398061+399822(Top 37%)7535(Top 50%)7535(Top 530%)
23M23.00 mi1.25 mi10115-358050+118050+1110875(Top 41%)7900(Top 52%)7900(Top 556%)
24M24.00 mi1.00 mi10092+238009+418009+4110129(Top 38%)7463(Top 49%)7463(Top 525%)
40K24.85 mi0.85 mi10154-628016-78016-712678(Top 48%)8613(Top 57%)8613(Top 606%)
25.2M25.20 mi0.35 mi10180-268020-48020-411815(Top 44%)8158(Top 54%)8158(Top 574%)
Finish26.22 mi1.02 mi10238-588009+118009+1112088(Top 45%)8323(Top 55%)8323(Top 585%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10340

Males

8324

M55-59

8324

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9548

Males

7898

M55-59

7898

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10340

Males

8324

M55-59

8324

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10669

Males

8413

M55-59

8413

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10381

Males

8290

M55-59

8290

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9869

Males

7911

M55-59

7911

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9977

Males

7815

M55-59

7815

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10958

Males

8230

M55-59

8230

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11839

Males

8500

M55-59

8500

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9822

Males

7535

M55-59

7535

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10875

Males

7900

M55-59

7900

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10129

Males

7463

M55-59

7463

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12678

Males

8613

M55-59

8613

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11815

Males

8158

M55-59

8158

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12088

Males

8323

M55-59

8323

Passing Analysis

Category:
Athletes Passed
1407*
Passed By
1849
Net Change
-444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9794
5K → 10K398228+170#9794#9624
10K → 15K98322-224#9624#9848
15K → 20K99309-210#9848#10058
20K → Half2529-4#10058#10062
Half → 25K14491+53#10062#10009
25K → 30K170*135+35#10009#9974
30K → 20M76116-41#9974#10015
20M → 21M58153-95#10015#10110
21M → 35K6636+30#10110#10080
35K → 23M73108-35#10080#10115
23M → 24M7854+23#10115#10092
24M → 40K51113-62#10092#10154
40K → 25.2M22*48-26#10154#10180
25.2M → Finish49107-58#10180#10238
TOTALS1407*1849-444

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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