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BOSTON MARATHON 2023

Donald Maclaren

Bib: 2929•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M45-49)
#0 / 2252
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:34
Rank: #1424
Start → 5K
19:34 | 6:18/mi
10K· 6.21 mi
38:42
Rank: #1295 (+129)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
58:06
Rank: #1301 (-6)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:17:49
Rank: #1348 (-47)
15K → 20K
19:43 | 6:21/mi
Half· 13.11 mi
1:22:06
Rank: #1357 (-9)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:36
Rank: #1403 (-46)
Half → 25K
15:30 | 6:24/mi
30K· 18.64 mi
1:57:48
Rank: #1413 (-10)
25K → 30K
20:12 | 6:30/mi
20M
2:06:42
Rank: #1417 (-4)
30K → 20M
8:54 | 6:33/mi
21M
2:13:38
Rank: #1429 (-12)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:18:31
Rank: #1466 (-37)
21M → 35K
4:53 | 6:32/mi
23M
2:26:58
Rank: #1482 (-16)
35K → 23M
8:27 | 6:45/mi
24M
2:33:36
Rank: #1505 (-23)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:39:29
Rank: #1542 (-37)
24M → 40K
5:53 | 6:53/mi
25.2M
2:42:02
Rank: #1562 (-20)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:49:05
Rank: #1631 (-69)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:06
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:26:59
Pace6:38 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2619:346:1819:34
6:18
-
10K
6.21 mi10:39:3438:426:1419:08
6:10
-0:08
15K
9.32 mi10:58:5858:066:1419:24
6:15
+0:05
20K
12.43 mi11:18:411:17:496:1619:43
6:21
+0:06
Half
13.11 mi11:22:581:22:066:164:17
6:17
-0:04
25K
15.53 mi11:38:281:37:366:1715:30
6:24
+0:07
30K
18.64 mi11:58:401:57:486:1920:12
6:30
+0:06
20M
20.00 mi12:07:342:06:426:208:54
6:33
+0:03
21M
21.00 mi12:14:302:13:386:226:56
6:56
+0:23
35K
21.75 mi12:19:232:18:316:224:53
6:32
-0:24
23M
23.00 mi12:27:502:26:586:238:27
6:45
+0:13
24M
24.00 mi12:34:282:33:366:246:38
6:38
-0:07
40K
24.85 mi12:40:212:39:296:255:53
6:53
+0:15
25.2M
25.20 mi12:42:542:42:026:262:33
7:24
+0:31
Finish
26.22 mi12:49:572:49:056:277:03
6:55
-0:29

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

6:27 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:06

49% of race

Time at Steady Pace

56:07

33% of race

Time at Slower Pace

30:52

18% of race

Average Pace: 6:27 /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 mi10:20:2619:346:1819:34
6:18
#1424
10K
6.21 mi10:39:3438:426:1419:08
6:10
#1295
15K
9.32 mi10:58:5858:066:1419:24
6:15
#1301
20K
12.43 mi11:18:411:17:496:1619:43
6:21
#1348
Half
13.11 mi11:22:581:22:066:164:17
6:17
#1357
25K
15.53 mi11:38:281:37:366:1715:30
6:24
#1403
30K
18.64 mi11:58:401:57:486:1920:12
6:30
#1413
20M
20.00 mi12:07:342:06:426:208:54
6:33
#1417
21M
21.00 mi12:14:302:13:386:226:56
6:56
#1429
35K
21.75 mi12:19:232:18:316:224:53
6:32
#1466
23M
23.00 mi12:27:502:26:586:238:27
6:45
#1482
24M
24.00 mi12:34:282:33:366:246:38
6:38
#1505
40K
24.85 mi12:40:212:39:296:255:53
6:53
#1542
25.2M
25.20 mi12:42:542:42:026:262:33
7:24
#1562
Finish
26.22 mi12:49:572:49:056:277:03
6:55
#1631
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1424135313531405(Top 5%)1338(Top 9%)1338(Top 59%)
10K6.21 mi3.10 mi1295+1291230+1231230+1231206(Top 5%)1143(Top 8%)1143(Top 51%)
15K9.32 mi3.11 mi1301-61238-81238-81405(Top 5%)1338(Top 9%)1338(Top 59%)
20K12.43 mi3.11 mi1348-471283-451283-451592(Top 6%)1522(Top 10%)1522(Top 68%)
Half13.11 mi0.68 mi1357-91293-101293-101693(Top 6%)1623(Top 11%)1623(Top 72%)
25K15.53 mi2.42 mi1403-461340-471340-471685(Top 6%)1613(Top 11%)1613(Top 72%)
30K18.64 mi3.11 mi1413-101349-91349-91560(Top 6%)1493(Top 10%)1493(Top 66%)
20M20.00 mi1.36 mi1417-41354-51354-51629(Top 6%)1553(Top 10%)1553(Top 69%)
21M21.00 mi1.00 mi1429-121365-111365-111874(Top 7%)1780(Top 12%)1780(Top 79%)
35K21.75 mi0.75 mi1466-371400-351400-352510(Top 9%)2369(Top 16%)2369(Top 105%)
23M23.00 mi1.25 mi1482-161416-161416-162361(Top 9%)2218(Top 15%)2218(Top 98%)
24M24.00 mi1.00 mi1505-231436-201436-202703(Top 10%)2512(Top 17%)2512(Top 112%)
40K24.85 mi0.85 mi1542-371472-361472-363181(Top 12%)2911(Top 19%)2911(Top 129%)
25.2M25.20 mi0.35 mi1562-201492-201492-203307(Top 12%)2990(Top 20%)2990(Top 133%)
Finish26.22 mi1.02 mi1631-691557-651557-654698(Top 18%)4053(Top 27%)4053(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1405

Males

1338

M45-49

1338

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1206

Males

1143

M45-49

1143

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1405

Males

1338

M45-49

1338

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1592

Males

1522

M45-49

1522

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1693

Males

1623

M45-49

1623

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1685

Males

1613

M45-49

1613

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1560

Males

1493

M45-49

1493

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1629

Males

1553

M45-49

1553

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1874

Males

1780

M45-49

1780

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2510

Males

2369

M45-49

2369

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2361

Males

2218

M45-49

2218

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2703

Males

2512

M45-49

2512

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3181

Males

2911

M45-49

2911

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3307

Males

2990

M45-49

2990

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

4698

Males

4053

M45-49

4053

Passing Analysis

Category:
Athletes Passed
389
Passed By
596
Net Change
-207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1424
5K → 10K14920+129#1424#1295
10K → 15K4147-6#1295#1301
15K → 20K2774-47#1301#1348
20K → Half413-9#1348#1357
Half → 25K2066-46#1357#1403
25K → 30K4757-10#1403#1413
30K → 20M1721-4#1413#1417
20M → 21M2032-12#1417#1429
21M → 35K542-37#1429#1466
35K → 23M1935-16#1466#1482
23M → 24M1538-23#1482#1505
24M → 40K1855-37#1505#1542
40K → 25.2M424-20#1542#1562
25.2M → Finish372-69#1562#1631
TOTALS389596-207
📊

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