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BOSTON MARATHON 2023

Larry Swanson

Bib: 1848•M

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M40-44)
#0 / 2241
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:33
Rank: #1414
Start → 5K
19:33 | 6:18/mi
10K· 6.21 mi
38:44
Rank: #1318 (+96)
5K → 10K
19:11 | 6:10/mi
15K· 9.32 mi
58:10
Rank: #1331 (-13)
10K → 15K
19:26 | 6:15/mi
20K· 12.43 mi
1:17:55
Rank: #1383 (-52)
15K → 20K
19:45 | 6:21/mi
Half· 13.11 mi
1:22:09
Rank: #1381 (+2)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:34
Rank: #1394 (-13)
Half → 25K
15:25 | 6:22/mi
30K· 18.64 mi
1:58:30
Rank: #1579 (-185)
25K → 30K
20:56 | 6:44/mi
20M
2:08:06
Rank: #1687 (-108)
30K → 20M
9:36 | 7:04/mi
21M
2:16:05
Rank: #1913 (-226)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:21:43
Rank: #2091 (-178)
21M → 35K
5:38 | 7:32/mi
23M
2:35:31
Rank: #3433 (-1342)
35K → 23M
13:48 | 11:01/mi
24M
2:43:44
Rank: #3941 (-508)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
2:51:11
Rank: #4407 (-466)
24M → 40K
7:27 | 8:43/mi
25.2M
2:54:21
Rank: #4523 (-116)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:03:18
Rank: #4905 (-382)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:41:09
Pace7:43 /mi
📊Positive Split: 23.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0819:336:1819:33
6:18
-
10K
6.21 mi10:39:1938:446:1419:11
6:10
-0:08
15K
9.32 mi10:58:4558:106:1419:26
6:15
+0:05
20K
12.43 mi11:18:301:17:556:1619:45
6:21
+0:06
Half
13.11 mi11:22:441:22:096:164:14
6:12
-0:09
25K
15.53 mi11:38:091:37:346:1715:25
6:22
+0:10
30K
18.64 mi11:59:051:58:306:2120:56
6:44
+0:22
20M
20.00 mi12:08:412:08:066:249:36
7:04
+0:20
21M
21.00 mi12:16:402:16:056:297:59
7:59
+0:55
35K
21.75 mi12:22:182:21:436:315:38
7:32
-0:27
23M
23.00 mi12:36:062:35:316:4613:48
11:01
+3:29
24M
24.00 mi12:44:192:43:446:498:13
8:13
-2:48
40K
24.85 mi12:51:462:51:116:537:27
8:43
+0:30
25.2M
25.20 mi12:54:562:54:216:553:10
9:11
+0:28
Finish
26.22 mi13:03:533:03:187:008:57
8:47
-0:24

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

6:10 /mi

Average Pace

7:00 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:34

53% of race

Time at Steady Pace

36:10

20% of race

Time at Slower Pace

49:34

27% of race

Average Pace: 6:59 /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 mi10:20:0819:336:1819:33
6:18
#1414
10K
6.21 mi10:39:1938:446:1419:11
6:10
#1318
15K
9.32 mi10:58:4558:106:1419:26
6:15
#1331
20K
12.43 mi11:18:301:17:556:1619:45
6:21
#1383
Half
13.11 mi11:22:441:22:096:164:14
6:12
#1381
25K
15.53 mi11:38:091:37:346:1715:25
6:22
#1394
30K
18.64 mi11:59:051:58:306:2120:56
6:44
#1579
20M
20.00 mi12:08:412:08:066:249:36
7:04
#1687
21M
21.00 mi12:16:402:16:056:297:59
7:59
#1913
35K
21.75 mi12:22:182:21:436:315:38
7:32
#2091
23M
23.00 mi12:36:062:35:316:4613:48
11:01
#3433
24M
24.00 mi12:44:192:43:446:498:13
8:13
#3941
40K
24.85 mi12:51:462:51:116:537:27
8:43
#4407
25.2M
25.20 mi12:54:562:54:216:553:10
9:11
#4523
Finish
26.22 mi13:03:533:03:187:008:57
8:47
#4905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1414134413441456(Top 5%)1389(Top 9%)1389(Top 62%)
10K6.21 mi3.10 mi1318+961252+921252+921255(Top 5%)1192(Top 8%)1192(Top 53%)
15K9.32 mi3.11 mi1331-131267-151267-151456(Top 5%)1389(Top 9%)1389(Top 62%)
20K12.43 mi3.11 mi1383-521317-501317-501633(Top 6%)1562(Top 10%)1562(Top 70%)
Half13.11 mi0.68 mi1381+21316+11316+11434(Top 5%)1374(Top 9%)1374(Top 61%)
25K15.53 mi2.42 mi1394-131331-151331-151565(Top 6%)1500(Top 10%)1500(Top 67%)
30K18.64 mi3.11 mi1579-1851510-1791510-1792625(Top 10%)2496(Top 16%)2496(Top 111%)
20M20.00 mi1.36 mi1687-1081614-1041614-1044418(Top 17%)4067(Top 27%)4067(Top 181%)
21M21.00 mi1.00 mi1913-2261830-2161830-2167199(Top 27%)5977(Top 39%)5977(Top 267%)
35K21.75 mi0.75 mi2091-1782005-1752005-1758664(Top 33%)6881(Top 45%)6881(Top 307%)
23M23.00 mi1.25 mi3433-13423249-12443249-124422379(Top 84%)13097(Top 86%)13097(Top 584%)
24M24.00 mi1.00 mi3941-5083693-4443693-44412670(Top 48%)8685(Top 57%)8685(Top 388%)
40K24.85 mi0.85 mi4407-4664114-4214114-42114528(Top 55%)9453(Top 62%)9453(Top 422%)
25.2M25.20 mi0.35 mi4523-1164212-984212-9813428(Top 50%)8921(Top 59%)8921(Top 398%)
Finish26.22 mi1.02 mi4905-3824513-3014513-30116900(Top 63%)10551(Top 70%)10551(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1456

Males

1389

M40-44

1389

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1255

Males

1192

M40-44

1192

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1456

Males

1389

M40-44

1389

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1633

Males

1562

M40-44

1562

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1434

Males

1374

M40-44

1374

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1565

Males

1500

M40-44

1500

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2625

Males

2496

M40-44

2496

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4418

Males

4067

M40-44

4067

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7199

Males

5977

M40-44

5977

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8664

Males

6881

M40-44

6881

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22379

Males

13097

M40-44

13097

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12670

Males

8685

M40-44

8685

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14528

Males

9453

M40-44

9453

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13428

Males

8921

M40-44

8921

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16900

Males

10551

M40-44

10551

Passing Analysis

Category:
Athletes Passed
278
Passed By
3769
Net Change
-3491
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1414
5K → 10K12428+96#1414#1318
10K → 15K4558-13#1318#1331
15K → 20K2678-52#1331#1383
20K → Half1210+2#1383#1381
Half → 25K2538-13#1381#1394
25K → 30K18203-185#1394#1579
30K → 20M6114-108#1579#1687
20M → 21M3229-226#1687#1913
21M → 35K1179-178#1913#2091
35K → 23M21344-1342#2091#3433
23M → 24M3511-508#3433#3941
24M → 40K4470-466#3941#4407
40K → 25.2M4120-116#4407#4523
25.2M → Finish5387-382#4523#4905
TOTALS2783769-3491
📊

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