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BOSTON MARATHON 2023

David Macknet

Bib: 3271•M

SC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 7%
Gender (Male)
#0 / 15176
Top 12%
Division (M18-39)
#0 / 5285
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:22
Rank: #2574
Start → 5K
20:22 | 6:33/mi
10K· 6.21 mi
40:36
Rank: #2693 (-119)
5K → 10K
20:14 | 6:31/mi
15K· 9.32 mi
1:01:07
Rank: #2867 (-174)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:21:28
Rank: #2770 (+97)
15K → 20K
20:21 | 6:33/mi
Half· 13.11 mi
1:25:57
Rank: #2784 (-14)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:46
Rank: #2685 (+99)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:02:31
Rank: #2588 (+97)
25K → 30K
20:45 | 6:41/mi
20M
2:11:33
Rank: #2525 (+63)
30K → 20M
9:02 | 6:39/mi
21M
2:18:37
Rank: #2489 (+36)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:23:17
Rank: #2420 (+69)
21M → 35K
4:40 | 6:14/mi
23M
2:31:18
Rank: #2312 (+108)
35K → 23M
8:01 | 6:24/mi
24M
2:37:24
Rank: #2201 (+111)
23M → 24M
6:06 | 6:06/mi
40K· 24.85 mi
2:42:43
Rank: #2110 (+91)
24M → 40K
5:19 | 6:13/mi
25.2M
2:45:01
Rank: #2063 (+47)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:51:10
Rank: #1965 (+98)
25.2M → Finish
6:09 | 6:02/mi

Course Map & Elevation

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:57
Pace6:33 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:25:13
Pace6:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5720:226:3320:22
6:33
-
10K
6.21 mi10:42:1140:366:3220:14
6:31
-0:02
15K
9.32 mi11:02:421:01:076:3320:31
6:36
+0:05
20K
12.43 mi11:23:031:21:286:3320:21
6:33
-0:03
Half
13.11 mi11:27:321:25:576:334:29
6:34
+0:01
25K
15.53 mi11:43:211:41:466:3315:49
6:31
-0:03
30K
18.64 mi12:04:062:02:316:3420:45
6:41
+0:10
20M
20.00 mi12:13:082:11:336:359:02
6:39
-0:02
21M
21.00 mi12:20:122:18:376:367:04
7:04
+0:25
35K
21.75 mi12:24:522:23:176:354:40
6:14
-0:50
23M
23.00 mi12:32:532:31:186:358:01
6:24
+0:10
24M
24.00 mi12:38:592:37:246:346:06
6:06
-0:18
40K
24.85 mi12:44:182:42:436:335:19
6:13
+0:07
25.2M
25.20 mi12:46:362:45:016:332:18
6:40
+0:27
Finish
26.22 mi12:52:452:51:106:326:09
6:02
-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

6:02 /mi

Average Pace

6:32 /mi

Slowest Pace

7:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:12:01

77% of race

Time at Steady Pace

39:09

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:5720:226:3320:22
6:33
#2574
10K
6.21 mi10:42:1140:366:3220:14
6:31
#2693
15K
9.32 mi11:02:421:01:076:3320:31
6:36
#2867
20K
12.43 mi11:23:031:21:286:3320:21
6:33
#2770
Half
13.11 mi11:27:321:25:576:334:29
6:34
#2784
25K
15.53 mi11:43:211:41:466:3315:49
6:31
#2685
30K
18.64 mi12:04:062:02:316:3420:45
6:41
#2588
20M
20.00 mi12:13:082:11:336:359:02
6:39
#2525
21M
21.00 mi12:20:122:18:376:367:04
7:04
#2489
35K
21.75 mi12:24:522:23:176:354:40
6:14
#2420
23M
23.00 mi12:32:532:31:186:358:01
6:24
#2312
24M
24.00 mi12:38:592:37:246:346:06
6:06
#2201
40K
24.85 mi12:44:182:42:436:335:19
6:13
#2110
25.2M
25.20 mi12:46:362:45:016:332:18
6:40
#2063
Finish
26.22 mi12:52:452:51:106:326:09
6:02
#1965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2574245324533301(Top 12%)3131(Top 21%)3131(Top 59%)
10K6.21 mi3.10 mi2693-1192570-1172570-1172855(Top 11%)2727(Top 18%)2727(Top 52%)
15K9.32 mi3.11 mi2867-1742737-1672737-1673301(Top 12%)3131(Top 21%)3131(Top 59%)
20K12.43 mi3.11 mi2770+972647+902647+902554(Top 10%)2443(Top 16%)2443(Top 46%)
Half13.11 mi0.68 mi2784-142663-162663-163160(Top 12%)3010(Top 20%)3010(Top 57%)
25K15.53 mi2.42 mi2685+992565+982565+982278(Top 9%)2184(Top 14%)2184(Top 41%)
30K18.64 mi3.11 mi2588+972472+932472+932294(Top 9%)2188(Top 14%)2188(Top 41%)
20M20.00 mi1.36 mi2525+632415+572415+572054(Top 8%)1958(Top 13%)1958(Top 37%)
21M21.00 mi1.00 mi2489+362383+322383+322443(Top 9%)2306(Top 15%)2306(Top 44%)
35K21.75 mi0.75 mi2420+692317+662317+661379(Top 5%)1309(Top 9%)1309(Top 25%)
23M23.00 mi1.25 mi2312+1082215+1022215+1021121(Top 4%)1061(Top 7%)1061(Top 20%)
24M24.00 mi1.00 mi2201+1112111+1042111+104770(Top 3%)730(Top 5%)730(Top 14%)
40K24.85 mi0.85 mi2110+912024+872024+87710(Top 3%)673(Top 4%)673(Top 13%)
25.2M25.20 mi0.35 mi2063+471979+451979+45857(Top 3%)818(Top 5%)818(Top 15%)
Finish26.22 mi1.02 mi1965+981881+981881+98826(Top 3%)792(Top 5%)792(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3301

Males

3131

M18-39

3131

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2855

Males

2727

M18-39

2727

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3301

Males

3131

M18-39

3131

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2554

Males

2443

M18-39

2443

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3160

Males

3010

M18-39

3010

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2278

Males

2184

M18-39

2184

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2294

Males

2188

M18-39

2188

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2054

Males

1958

M18-39

1958

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2443

Males

2306

M18-39

2306

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1379

Males

1309

M18-39

1309

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1121

Males

1061

M18-39

1061

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

770

Males

730

M18-39

730

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

710

Males

673

M18-39

673

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

857

Males

818

M18-39

818

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

826

Males

792

M18-39

792

Passing Analysis

Category:
Athletes Passed
1163
Passed By
554
Net Change
+609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2574
5K → 10K96215-119#2574#2693
10K → 15K34208-174#2693#2867
15K → 20K12326+97#2867#2770
20K → Half1125-14#2770#2784
Half → 25K11011+99#2784#2685
25K → 30K12730+97#2685#2588
30K → 20M7411+63#2588#2525
20M → 21M5620+36#2525#2489
21M → 35K701+69#2489#2420
35K → 23M1091+108#2420#2312
23M → 24M1132+111#2312#2201
24M → 40K921+91#2201#2110
40K → 25.2M470+47#2110#2063
25.2M → Finish1013+98#2063#1965
TOTALS1163554+609
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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