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BOSTON MARATHON 2023

Alan Ladd

Bib: 1940•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #1561
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
39:20
Rank: #1692 (-131)
5K → 10K
19:39 | 6:19/mi
15K· 9.32 mi
59:06
Rank: #1751 (-59)
10K → 15K
19:46 | 6:22/mi
20K· 12.43 mi
1:18:53
Rank: #1714 (+37)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:23:11
Rank: #1719 (-5)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:38:34
Rank: #1678 (+41)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:58:34
Rank: #1596 (+82)
25K → 30K
20:00 | 6:26/mi
20M
2:07:14
Rank: #1525 (+71)
30K → 20M
8:40 | 6:23/mi
21M
2:13:53
Rank: #1477 (+48)
20M → 21M
6:39 | 6:39/mi
35K· 21.75 mi
2:18:19
Rank: #1418 (+59)
21M → 35K
4:26 | 5:56/mi
23M
2:26:15
Rank: #1366 (+52)
35K → 23M
7:56 | 6:20/mi
24M
2:32:34
Rank: #1345 (+21)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:38:08
Rank: #1338 (+7)
24M → 40K
5:34 | 6:31/mi
25.2M
2:40:29
Rank: #1322 (+16)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:46:47
Rank: #1293 (+29)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:11
Pace6:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:36
Pace6:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0219:416:2019:41
6:20
-
10K
6.21 mi10:39:4139:206:2019:39
6:19
-0:01
15K
9.32 mi10:59:2759:066:2019:46
6:22
+0:03
20K
12.43 mi11:19:141:18:536:2119:47
6:22
0:00
Half
13.11 mi11:23:321:23:116:214:18
6:18
-0:04
25K
15.53 mi11:38:551:38:346:2115:23
6:21
+0:03
30K
18.64 mi11:58:551:58:346:2220:00
6:26
+0:05
20M
20.00 mi12:07:352:07:146:228:40
6:23
-0:03
21M
21.00 mi12:14:142:13:536:236:39
6:39
+0:16
35K
21.75 mi12:18:402:18:196:224:26
5:56
-0:43
23M
23.00 mi12:26:362:26:156:227:56
6:20
+0:24
24M
24.00 mi12:32:552:32:346:216:19
6:19
-0:01
40K
24.85 mi12:38:292:38:086:225:34
6:31
+0:12
25.2M
25.20 mi12:40:502:40:296:222:21
6:49
+0:18
Finish
26.22 mi12:47:082:46:476:226:18
6:11
-0:38

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

5:56 /mi

Average Pace

6:22 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:47

95% of race

Time at Steady Pace

9:00

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:20:0219:416:2019:41
6:20
#1561
10K
6.21 mi10:39:4139:206:2019:39
6:19
#1692
15K
9.32 mi10:59:2759:066:2019:46
6:22
#1751
20K
12.43 mi11:19:141:18:536:2119:47
6:22
#1714
Half
13.11 mi11:23:321:23:116:214:18
6:18
#1719
25K
15.53 mi11:38:551:38:346:2115:23
6:21
#1678
30K
18.64 mi11:58:551:58:346:2220:00
6:26
#1596
20M
20.00 mi12:07:352:07:146:228:40
6:23
#1525
21M
21.00 mi12:14:142:13:536:236:39
6:39
#1477
35K
21.75 mi12:18:402:18:196:224:26
5:56
#1418
23M
23.00 mi12:26:362:26:156:227:56
6:20
#1366
24M
24.00 mi12:32:552:32:346:216:19
6:19
#1345
40K
24.85 mi12:38:292:38:086:225:34
6:31
#1338
25.2M
25.20 mi12:40:502:40:296:222:21
6:49
#1322
Finish
26.22 mi12:47:082:46:476:226:18
6:11
#1293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1561148614861919(Top 7%)1837(Top 12%)1837(Top 35%)
10K6.21 mi3.10 mi1692-1311616-1301616-1301859(Top 7%)1779(Top 12%)1779(Top 34%)
15K9.32 mi3.11 mi1751-591674-581674-581919(Top 7%)1837(Top 12%)1837(Top 35%)
20K12.43 mi3.11 mi1714+371640+341640+341661(Top 6%)1590(Top 10%)1590(Top 30%)
Half13.11 mi0.68 mi1719-51645-51645-51755(Top 7%)1684(Top 11%)1684(Top 32%)
25K15.53 mi2.42 mi1678+411606+391606+391498(Top 6%)1434(Top 9%)1434(Top 27%)
30K18.64 mi3.11 mi1596+821527+791527+791332(Top 5%)1274(Top 8%)1274(Top 24%)
20M20.00 mi1.36 mi1525+711457+701457+701076(Top 4%)1031(Top 7%)1031(Top 20%)
21M21.00 mi1.00 mi1477+481412+451412+45980(Top 4%)932(Top 6%)932(Top 18%)
35K21.75 mi0.75 mi1418+591354+581354+58573(Top 2%)535(Top 4%)535(Top 10%)
23M23.00 mi1.25 mi1366+521303+511303+51931(Top 3%)886(Top 6%)886(Top 17%)
24M24.00 mi1.00 mi1345+211282+211282+211375(Top 5%)1301(Top 9%)1301(Top 25%)
40K24.85 mi0.85 mi1338+71275+71275+71548(Top 6%)1458(Top 10%)1458(Top 28%)
25.2M25.20 mi0.35 mi1322+161259+161259+161191(Top 4%)1130(Top 7%)1130(Top 21%)
Finish26.22 mi1.02 mi1293+291232+271232+271216(Top 5%)1157(Top 8%)1157(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1919

Males

1837

M18-39

1837

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1859

Males

1779

M18-39

1779

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1919

Males

1837

M18-39

1837

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1661

Males

1590

M18-39

1590

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1755

Males

1684

M18-39

1684

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1498

Males

1434

M18-39

1434

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1332

Males

1274

M18-39

1274

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1076

Males

1031

M18-39

1031

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

980

Males

932

M18-39

932

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

573

Males

535

M18-39

535

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

931

Males

886

M18-39

886

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1375

Males

1301

M18-39

1301

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1548

Males

1458

M18-39

1458

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1191

Males

1130

M18-39

1130

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1216

Males

1157

M18-39

1157

Passing Analysis

Category:
Athletes Passed
665
Passed By
397
Net Change
+268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1561
5K → 10K44175-131#1561#1692
10K → 15K3695-59#1692#1751
15K → 20K6427+37#1751#1714
20K → Half712-5#1714#1719
Half → 25K5817+41#1719#1678
25K → 30K10018+82#1678#1596
30K → 20M743+71#1596#1525
20M → 21M524+48#1525#1477
21M → 35K601+59#1477#1418
35K → 23M564+52#1418#1366
23M → 24M3514+21#1366#1345
24M → 40K1912+7#1345#1338
40K → 25.2M193+16#1338#1322
25.2M → Finish4112+29#1322#1293
TOTALS665397+268
📊

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