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BOSTON MARATHON 2023

Matthew Macdonald

Bib: 2658•M

BC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 11%
Division (M18-39)
#0 / 5285
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:49
Rank: #803
Start → 5K
6:03/mi
18:49 split
10K· 6.21 mi
37:31
Rank: #811 (-8)
5K → 10K
6:01/mi
18:42 split
15K· 9.32 mi
56:29
Rank: #857 (-46)
10K → 15K
6:06/mi
18:58 split
20K· 12.43 mi
1:15:59
Rank: #947 (-90)
15K → 20K
6:17/mi
19:30 split
Half· 13.11 mi
1:20:13
Rank: #965 (-18)
20K → Half
6:12/mi
4:14 split
25K· 15.53 mi
1:35:46
Rank: #1034 (-69)
Half → 25K
6:25/mi
15:33 split
30K· 18.64 mi
1:56:56
Rank: #1241 (-207)
25K → 30K
6:49/mi
21:10 split
20M
2:06:28
Rank: #1376 (-135)
30K → 20M
7:01/mi
9:32 split
21M
2:13:49
Rank: #1469 (-93)
20M → 21M
7:21/mi
7:21 split
35K· 21.75 mi
2:18:42
Rank: #1492 (-23)
21M → 35K
6:32/mi
4:53 split
23M
2:27:31
Rank: #1583 (-91)
35K → 23M
7:03/mi
8:49 split
24M
2:34:23
Rank: #1637 (-54)
23M → 24M
6:52/mi
6:52 split
40K· 24.85 mi
2:40:22
Rank: #1673 (-36)
24M → 40K
7:00/mi
5:59 split
25.2M
2:42:53
Rank: #1683 (-10)
40K → 25.2M
7:18/mi
2:31 split
Finish· 26.22 mi
2:49:51
Rank: #1758 (-75)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:13
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:29:38
Pace6:50 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5118:496:0318:49
6:03
-
10K
6.21 mi10:38:3337:316:0218:42
6:01
-0:02
15K
9.32 mi10:57:3156:296:0418:58
6:06
+0:05
20K
12.43 mi11:17:011:15:596:0719:30
6:17
+0:11
Half
13.11 mi11:21:151:20:136:074:14
6:12
-0:05
25K
15.53 mi11:36:481:35:466:1015:33
6:25
+0:13
30K
18.64 mi11:57:581:56:566:1621:10
6:49
+0:24
20M
20.00 mi12:07:302:06:286:199:32
7:01
+0:12
21M
21.00 mi12:14:512:13:496:227:21
7:21
+0:20
35K
21.75 mi12:19:442:18:426:234:53
6:32
-0:49
23M
23.00 mi12:28:332:27:316:258:49
7:03
+0:31
24M
24.00 mi12:35:252:34:236:266:52
6:52
-0:11
40K
24.85 mi12:41:242:40:226:275:59
7:00
+0:08
25.2M
25.20 mi12:43:552:42:536:282:31
7:18
+0:18
Finish
26.22 mi12:50:532:49:516:296:58
6:50
-0:28

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

6:01 /mi

Average Pace

6:29 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:39

59% of race

Time at Steady Pace

50:31

30% of race

Time at Slower Pace

18:41

11% of race

Average Pace: 6:29 /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 mi10:19:5118:496:0318:49
6:03
#803
10K
6.21 mi10:38:3337:316:0218:42
6:01
#811
15K
9.32 mi10:57:3156:296:0418:58
6:06
#857
20K
12.43 mi11:17:011:15:596:0719:30
6:17
#947
Half
13.11 mi11:21:151:20:136:074:14
6:12
#965
25K
15.53 mi11:36:481:35:466:1015:33
6:25
#1034
30K
18.64 mi11:57:581:56:566:1621:10
6:49
#1241
20M
20.00 mi12:07:302:06:286:199:32
7:01
#1376
21M
21.00 mi12:14:512:13:496:227:21
7:21
#1469
35K
21.75 mi12:19:442:18:426:234:53
6:32
#1492
23M
23.00 mi12:28:332:27:316:258:49
7:03
#1583
24M
24.00 mi12:35:252:34:236:266:52
6:52
#1637
40K
24.85 mi12:41:242:40:226:275:59
7:00
#1673
25.2M
25.20 mi12:43:552:42:536:282:31
7:18
#1683
Finish
26.22 mi12:50:532:49:516:296:58
6:50
#1758
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi803754754984(Top 4%)935(Top 6%)935(Top 18%)
10K6.21 mi3.10 mi811-8765-11765-11857(Top 3%)810(Top 5%)810(Top 15%)
15K9.32 mi3.11 mi857-46809-44809-44984(Top 4%)935(Top 6%)935(Top 18%)
20K12.43 mi3.11 mi947-90898-89898-891311(Top 5%)1252(Top 8%)1252(Top 24%)
Half13.11 mi0.68 mi965-18915-17915-171408(Top 5%)1348(Top 9%)1348(Top 26%)
25K15.53 mi2.42 mi1034-69982-67982-671779(Top 7%)1703(Top 11%)1703(Top 32%)
30K18.64 mi3.11 mi1241-2071186-2041186-2043046(Top 11%)2876(Top 19%)2876(Top 54%)
20M20.00 mi1.36 mi1376-1351314-1281314-1284089(Top 15%)3779(Top 25%)3779(Top 72%)
21M21.00 mi1.00 mi1469-931404-901404-903837(Top 14%)3545(Top 23%)3545(Top 67%)
35K21.75 mi0.75 mi1492-231426-221426-222520(Top 9%)2379(Top 16%)2379(Top 45%)
23M23.00 mi1.25 mi1583-911513-871513-873954(Top 15%)3635(Top 24%)3635(Top 69%)
24M24.00 mi1.00 mi1637-541566-531566-533973(Top 15%)3621(Top 24%)3621(Top 69%)
40K24.85 mi0.85 mi1673-361599-331599-333794(Top 14%)3411(Top 22%)3411(Top 65%)
25.2M25.20 mi0.35 mi1683-101608-91608-92860(Top 11%)2615(Top 17%)2615(Top 49%)
Finish26.22 mi1.02 mi1758-751679-711679-714246(Top 16%)3722(Top 25%)3722(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

984

Males

935

M18-39

935

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

857

Males

810

M18-39

810

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

984

Males

935

M18-39

935

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1311

Males

1252

M18-39

1252

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1408

Males

1348

M18-39

1348

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1779

Males

1703

M18-39

1703

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3046

Males

2876

M18-39

2876

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4089

Males

3779

M18-39

3779

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3837

Males

3545

M18-39

3545

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2520

Males

2379

M18-39

2379

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3954

Males

3635

M18-39

3635

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

3973

Males

3621

M18-39

3621

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3794

Males

3411

M18-39

3411

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2860

Males

2615

M18-39

2615

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4246

Males

3722

M18-39

3722

Passing Analysis

Category:
Athletes Passed
143
Passed By
1098
Net Change
-955
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#803
5K → 10K4149-8#803#811
10K → 15K854-46#811#857
15K → 20K10100-90#857#947
20K → Half018-18#947#965
Half → 25K978-69#965#1034
25K → 30K9216-207#1034#1241
30K → 20M4139-135#1241#1376
20M → 21M699-93#1376#1469
21M → 35K427-23#1469#1492
35K → 23M697-91#1492#1583
23M → 24M1670-54#1583#1637
24M → 40K1248-36#1637#1673
40K → 25.2M919-10#1673#1683
25.2M → Finish984-75#1683#1758
TOTALS1431098-955
📊

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