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BOSTON MARATHON 2023

James Macdonald

Bib: 289•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 0.9%
Gender (Male)
#0 / 15176
Top 1%
Masters (Masters Men)
#0 / 9891
Top 0.2%
Division (M40-44)
#0 / 2241
Top 0.8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:20
Rank: #169
Start → 5K
17:20 | 5:35/mi
10K· 6.21 mi
34:45
Rank: #173 (-4)
5K → 10K
17:25 | 5:36/mi
15K· 9.32 mi
52:16
Rank: #185 (-12)
10K → 15K
17:31 | 5:38/mi
20K· 12.43 mi
1:10:02
Rank: #192 (-7)
15K → 20K
17:46 | 5:43/mi
Half· 13.11 mi
1:13:49
Rank: #189 (+3)
20K → Half
3:47 | 5:33/mi
25K· 15.53 mi
1:27:54
Rank: #190 (-1)
Half → 25K
14:05 | 5:49/mi
30K· 18.64 mi
1:46:39
Rank: #210 (-20)
25K → 30K
18:45 | 6:02/mi
20M
1:54:57
Rank: #229 (-19)
30K → 20M
8:18 | 6:06/mi
21M
2:01:22
Rank: #238 (-9)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:05:47
Rank: #242 (-4)
21M → 35K
4:25 | 5:54/mi
23M
2:13:24
Rank: #237 (+5)
35K → 23M
7:37 | 6:05/mi
24M
2:19:20
Rank: #239 (-2)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:24:28
Rank: #232 (+7)
24M → 40K
5:08 | 6:00/mi
25.2M
2:26:43
Rank: #232
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:32:38
Rank: #230 (+2)
25.2M → Finish
5:55 | 5:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:49
Pace5:38 /mi
2nd Half
Distance13.11 mi
Time1:18:49
Pace6:01 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2817:205:3517:20
5:35
-
10K
6.21 mi10:34:5334:455:3617:25
5:36
+0:01
15K
9.32 mi10:52:2452:165:3617:31
5:38
+0:02
20K
12.43 mi11:10:101:10:025:3817:46
5:43
+0:05
Half
13.11 mi11:13:571:13:495:383:47
5:33
-0:10
25K
15.53 mi11:28:021:27:545:4014:05
5:49
+0:16
30K
18.64 mi11:46:471:46:395:4318:45
6:02
+0:13
20M
20.00 mi11:55:051:54:575:458:18
6:06
+0:04
21M
21.00 mi12:01:302:01:225:476:25
6:25
+0:19
35K
21.75 mi12:05:552:05:475:474:25
5:54
-0:31
23M
23.00 mi12:13:322:13:245:487:37
6:05
+0:11
24M
24.00 mi12:19:282:19:205:485:56
5:56
-0:09
40K
24.85 mi12:24:362:24:285:495:08
6:00
+0:04
25.2M
25.20 mi12:26:512:26:435:492:15
6:31
+0:31
Finish
26.22 mi12:32:462:32:385:505:55
5:48
-0:43

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

5:33 /mi

Average Pace

5:50 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:58

94% of race

Time at Steady Pace

8:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:49 /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 mi10:17:2817:205:3517:20
5:35
#169
10K
6.21 mi10:34:5334:455:3617:25
5:36
#173
15K
9.32 mi10:52:2452:165:3617:31
5:38
#185
20K
12.43 mi11:10:101:10:025:3817:46
5:43
#192
Half
13.11 mi11:13:571:13:495:383:47
5:33
#189
25K
15.53 mi11:28:021:27:545:4014:05
5:49
#190
30K
18.64 mi11:46:471:46:395:4318:45
6:02
#210
20M
20.00 mi11:55:051:54:575:458:18
6:06
#229
21M
21.00 mi12:01:302:01:225:476:25
6:25
#238
35K
21.75 mi12:05:552:05:475:474:25
5:54
#242
23M
23.00 mi12:13:322:13:245:487:37
6:05
#237
24M
24.00 mi12:19:282:19:205:485:56
5:56
#239
40K
24.85 mi12:24:362:24:285:495:08
6:00
#232
25.2M
25.20 mi12:26:512:26:435:492:15
6:31
#232
Finish
26.22 mi12:32:462:32:385:505:55
5:48
#230
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi169169169179(Top 0.7%)152(Top 1%)152(Top 7%)
10K6.21 mi3.10 mi173-4173-4173-4202(Top 0.8%)175(Top 1%)175(Top 8%)
15K9.32 mi3.11 mi185-12160+13160+13179(Top 0.7%)152(Top 1%)152(Top 7%)
20K12.43 mi3.11 mi192-7167-7167-7211(Top 0.8%)186(Top 1%)186(Top 8%)
Half13.11 mi0.68 mi189+3165+2165+2157(Top 0.6%)137(Top 0.9%)137(Top 6%)
25K15.53 mi2.42 mi190-1165165286(Top 1%)258(Top 2%)258(Top 12%)
30K18.64 mi3.11 mi210-20186-21186-21407(Top 2%)376(Top 2%)376(Top 17%)
20M20.00 mi1.36 mi229-19205-19205-19483(Top 2%)449(Top 3%)449(Top 20%)
21M21.00 mi1.00 mi238-9212-7212-7502(Top 2%)468(Top 3%)468(Top 21%)
35K21.75 mi0.75 mi242-4216-4216-4503(Top 2%)467(Top 3%)467(Top 21%)
23M23.00 mi1.25 mi237+5211+5211+5417(Top 2%)389(Top 3%)389(Top 17%)
24M24.00 mi1.00 mi239-2213-2213-2420(Top 2%)393(Top 3%)393(Top 18%)
40K24.85 mi0.85 mi232+7207+6207+6340(Top 1%)316(Top 2%)316(Top 14%)
25.2M25.20 mi0.35 mi232207207517(Top 2%)485(Top 3%)485(Top 22%)
Finish26.22 mi1.02 mi230+2205+2205+2373(Top 1%)354(Top 2%)354(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

179

Males

152

M40-44

152

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

202

Males

175

M40-44

175

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

179

Males

152

M40-44

152

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5stories
+106ft-86ft

Overall

211

Males

186

M40-44

186

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

157

Males

137

M40-44

137

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

286

Males

258

M40-44

258

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

407

Males

376

M40-44

376

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

483

Males

449

M40-44

449

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

502

Males

468

M40-44

468

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

503

Males

467

M40-44

467

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

417

Males

389

M40-44

389

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

420

Males

393

M40-44

393

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

340

Males

316

M40-44

316

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

517

Males

485

M40-44

485

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

373

Males

354

M40-44

354

Passing Analysis

Category:
Athletes Passed
80
Passed By
141
Net Change
-61
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#169
5K → 10K1014-4#169#173
10K → 15K1527-12#173#185
15K → 20K512-7#185#192
20K → Half30+3#192#189
Half → 25K67-1#189#190
25K → 30K222-20#190#210
30K → 20M120-19#210#229
20M → 21M918-9#229#238
21M → 35K48-4#238#242
35K → 23M83+5#242#237
23M → 24M46-2#237#239
24M → 40K92+7#239#232
40K → 25.2M110#232#232
25.2M → Finish31+2#232#230
TOTALS80141-61
📊

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