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BOSTON MARATHON 2023

Nate Burns

Bib: 3045•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M45-49)
#0 / 2252
Top 5%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:41
Rank: #3273
Start → 5K
20:41 | 6:39/mi
10K· 6.21 mi
40:43
Rank: #2811 (+462)
5K → 10K
20:02 | 6:27/mi
15K· 9.32 mi
1:00:48
Rank: #2657 (+154)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:21:04
Rank: #2585 (+72)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:25:24
Rank: #2540 (+45)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:41:10
Rank: #2484 (+56)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
2:01:56
Rank: #2423 (+61)
25K → 30K
20:46 | 6:41/mi
20M
2:11:14
Rank: #2433 (-10)
30K → 20M
9:18 | 6:51/mi
21M
2:18:22
Rank: #2424 (+9)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:23:11
Rank: #2396 (+28)
21M → 35K
4:49 | 6:26/mi
23M
2:31:30
Rank: #2353 (+43)
35K → 23M
8:19 | 6:39/mi
24M
2:38:09
Rank: #2338 (+15)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:43:55
Rank: #2318 (+20)
24M → 40K
5:46 | 6:45/mi
25.2M
2:46:29
Rank: #2323 (-5)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:53:11
Rank: #2307 (+16)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:24
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:47
Pace6:42 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1820:416:3920:41
6:39
-
10K
6.21 mi10:42:2040:436:3320:02
6:27
-0:12
15K
9.32 mi11:02:251:00:486:3120:05
6:28
+0:01
20K
12.43 mi11:22:411:21:046:3120:16
6:31
+0:03
Half
13.11 mi11:27:011:25:246:314:20
6:21
-0:10
25K
15.53 mi11:42:471:41:106:3115:46
6:30
+0:09
30K
18.64 mi12:03:332:01:566:3220:46
6:41
+0:11
20M
20.00 mi12:12:512:11:146:349:18
6:51
+0:10
21M
21.00 mi12:19:592:18:226:357:08
7:08
+0:17
35K
21.75 mi12:24:482:23:116:354:49
6:26
-0:42
23M
23.00 mi12:33:072:31:306:358:19
6:39
+0:13
24M
24.00 mi12:39:462:38:096:356:39
6:39
0:00
40K
24.85 mi12:45:322:43:556:365:46
6:45
+0:06
25.2M
25.20 mi12:48:062:46:296:362:34
7:27
+0:42
Finish
26.22 mi12:54:482:53:116:376:42
6:34
-0:53

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

6:21 /mi

Average Pace

6:37 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:29

94% of race

Time at Steady Pace

9:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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 mi10:22:1820:416:3920:41
6:39
#3273
10K
6.21 mi10:42:2040:436:3320:02
6:27
#2811
15K
9.32 mi11:02:251:00:486:3120:05
6:28
#2657
20K
12.43 mi11:22:411:21:046:3120:16
6:31
#2585
Half
13.11 mi11:27:011:25:246:314:20
6:21
#2540
25K
15.53 mi11:42:471:41:106:3115:46
6:30
#2484
30K
18.64 mi12:03:332:01:566:3220:46
6:41
#2423
20M
20.00 mi12:12:512:11:146:349:18
6:51
#2433
21M
21.00 mi12:19:592:18:226:357:08
7:08
#2424
35K
21.75 mi12:24:482:23:116:354:49
6:26
#2396
23M
23.00 mi12:33:072:31:306:358:19
6:39
#2353
24M
24.00 mi12:39:462:38:096:356:39
6:39
#2338
40K
24.85 mi12:45:322:43:556:365:46
6:45
#2318
25.2M
25.20 mi12:48:062:46:296:362:34
7:27
#2323
Finish
26.22 mi12:54:482:53:116:376:42
6:34
#2307
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3273309130912416(Top 9%)2317(Top 15%)2317(Top 103%)
10K6.21 mi3.10 mi2811+4622680+4112680+4112469(Top 9%)2360(Top 16%)2360(Top 105%)
15K9.32 mi3.11 mi2657+1542538+1422538+1422416(Top 9%)2317(Top 15%)2317(Top 103%)
20K12.43 mi3.11 mi2585+722472+662472+662396(Top 9%)2294(Top 15%)2294(Top 102%)
Half13.11 mi0.68 mi2540+452433+392433+391942(Top 7%)1865(Top 12%)1865(Top 83%)
25K15.53 mi2.42 mi2484+562378+552378+552167(Top 8%)2078(Top 14%)2078(Top 92%)
30K18.64 mi3.11 mi2423+612322+562322+562312(Top 9%)2203(Top 15%)2203(Top 98%)
20M20.00 mi1.36 mi2433-102329-72329-73055(Top 11%)2869(Top 19%)2869(Top 127%)
21M21.00 mi1.00 mi2424+92322+72322+72725(Top 10%)2559(Top 17%)2559(Top 114%)
35K21.75 mi0.75 mi2396+282294+282294+282080(Top 8%)1973(Top 13%)1973(Top 88%)
23M23.00 mi1.25 mi2353+432252+422252+421910(Top 7%)1811(Top 12%)1811(Top 80%)
24M24.00 mi1.00 mi2338+152237+152237+152798(Top 11%)2599(Top 17%)2599(Top 115%)
40K24.85 mi0.85 mi2318+202219+182219+182515(Top 9%)2329(Top 15%)2329(Top 103%)
25.2M25.20 mi0.35 mi2323-52224-52224-53513(Top 13%)3141(Top 21%)3141(Top 139%)
Finish26.22 mi1.02 mi2307+162209+152209+152817(Top 11%)2554(Top 17%)2554(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2416

Males

2317

M45-49

2317

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2469

Males

2360

M45-49

2360

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2416

Males

2317

M45-49

2317

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2396

Males

2294

M45-49

2294

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1942

Males

1865

M45-49

1865

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2167

Males

2078

M45-49

2078

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2312

Males

2203

M45-49

2203

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3055

Males

2869

M45-49

2869

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2725

Males

2559

M45-49

2559

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2080

Males

1973

M45-49

1973

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1910

Males

1811

M45-49

1811

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2798

Males

2599

M45-49

2599

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2515

Males

2329

M45-49

2329

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3513

Males

3141

M45-49

3141

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2817

Males

2554

M45-49

2554

Passing Analysis

Category:
Athletes Passed
1277
Passed By
311
Net Change
+966
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3273
5K → 10K48422+462#3273#2811
10K → 15K18026+154#2811#2657
15K → 20K10432+72#2657#2585
20K → Half472+45#2585#2540
Half → 25K8428+56#2540#2484
25K → 30K9938+61#2484#2423
30K → 20M3545-10#2423#2433
20M → 21M3627+9#2433#2424
21M → 35K3911+28#2424#2396
35K → 23M5916+43#2396#2353
23M → 24M3116+15#2353#2338
24M → 40K3414+20#2338#2318
40K → 25.2M712-5#2318#2323
25.2M → Finish3822+16#2323#2307
TOTALS1277311+966
📊

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