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BOSTON MARATHON 2023

Shane Northrup

Bib: 29688•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:15/mi
34:57
↑ 97↓ 3451.5%
10K· 6.21 mi
11:11/mi
1:09:41
↑ 79↓ 1380.4%
15K· 9.32 mi
11:25/mi
1:45:09
↑ 67↓ 78
20K· 12.43 mi
11:44/mi
2:21:37
↑ 106↓ 860.1%
Half· 13.11 mi
11:38/mi
2:29:33
↑ 19↓ 370.5%
25K· 15.53 mi
12:14/mi
2:59:13
↑ 66↓ 880.2%
30K· 18.64 mi
12:29/mi
3:38:00
↑ 181↓ 1480.2%
20M
12:50/mi
3:55:26
↑ 64↓ 500.2%
21M
14:03/mi
4:09:29
↑ 106↓ 241.6%
35K· 21.75 mi
12:07/mi
4:18:33
↑ 17↓ 861.7%
23M
12:40/mi
4:34:24
↑ 23↓ 630.6%
24M
16:19/mi
4:50:43
↓ 821.3%
40K· 24.85 mi
11:55/mi
5:00:54
↓ 200.3%
25.2M
13:00/mi
5:05:23
↑ 13↓ 160.2%
Finish· 26.22 mi
11:37/mi
5:17:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:29:33
Pace11:24 /mi
2nd Half
Distance13.11 mi
Time2:47:40
Pace12:47 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:3934:5711:1534:57
11:15
-
10K
6.21 mi12:27:231:09:4111:1334:44
11:11
-0:04
15K
9.32 mi13:02:511:45:0911:1735:28
11:25
+0:14
20K
12.43 mi13:39:192:21:3711:2436:28
11:44
+0:19
Half
13.11 mi13:47:152:29:3311:247:56
11:38
-0:06
25K
15.53 mi14:16:552:59:1311:3229:40
12:14
+0:36
30K
18.64 mi14:55:423:38:0011:4238:47
12:29
+0:15
20M
20.00 mi15:13:083:55:2611:4617:26
12:50
+0:21
21M
21.00 mi15:27:114:09:2911:5314:03
14:03
+1:13
35K
21.75 mi15:36:154:18:3311:539:04
12:07
-1:56
23M
23.00 mi15:52:064:34:2411:5615:51
12:40
+0:33
24M
24.00 mi16:08:254:50:4312:0716:19
16:19
+3:39
40K
24.85 mi16:18:365:00:5412:0610:11
11:55
-4:24
25.2M
25.20 mi16:23:055:05:2312:074:29
13:00
+1:05
Finish
26.22 mi16:34:555:17:1312:0611:50
11:37
-1:23

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

11:11 /mi

Average Pace

12:06 /mi

Slowest Pace

16:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:09

33% of race

Time at Steady Pace

2:39:47

50% of race

Time at Slower Pace

52:17

16% of race

Average Pace: 12:06 /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 mi11:52:3934:5711:1534:57
11:15
#25979
10K
6.21 mi12:27:231:09:4111:1334:44
11:11
#25833
15K
9.32 mi13:02:511:45:0911:1735:28
11:25
#25775
20K
12.43 mi13:39:192:21:3711:2436:28
11:44
#25700
Half
13.11 mi13:47:152:29:3311:247:56
11:38
#25697
25K
15.53 mi14:16:552:59:1311:3229:40
12:14
#25634
30K
18.64 mi14:55:423:38:0011:4238:47
12:29
#25517
20M
20.00 mi15:13:083:55:2611:4617:26
12:50
#25509
21M
21.00 mi15:27:114:09:2911:5314:03
14:03
#25484
35K
21.75 mi15:36:154:18:3311:539:04
12:07
#25468
23M
23.00 mi15:52:064:34:2411:5615:51
12:40
#25444
24M
24.00 mi16:08:254:50:4312:0716:19
16:19
#25583
40K
24.85 mi16:18:365:00:5412:0610:11
11:55
#25530
25.2M
25.20 mi16:23:055:05:2312:074:29
13:00
#25510
Finish
26.22 mi16:34:555:17:1312:0611:50
11:37
#25498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25979149191491925627(Top 96%)14780(Top 97%)14780(Top 720%)
10K6.21 mi3.10 mi25833+14614869+5014869+5025657(Top 96%)14807(Top 98%)14807(Top 722%)
15K9.32 mi3.11 mi25775+5814853+1614853+1625627(Top 96%)14780(Top 97%)14780(Top 720%)
20K12.43 mi3.11 mi25700+7514809+4414809+4425465(Top 96%)14691(Top 97%)14691(Top 716%)
Half13.11 mi0.68 mi25697+314805+414805+425588(Top 96%)14727(Top 97%)14727(Top 718%)
25K15.53 mi2.42 mi25634+6314777+2814777+2825342(Top 95%)14618(Top 96%)14618(Top 712%)
30K18.64 mi3.11 mi25517+11714711+6614711+6624980(Top 94%)14403(Top 95%)14403(Top 702%)
20M20.00 mi1.36 mi25509+814701+1014701+1025024(Top 94%)14389(Top 95%)14389(Top 701%)
21M21.00 mi1.00 mi25484+2514685+1614685+1625073(Top 94%)14402(Top 95%)14402(Top 702%)
35K21.75 mi0.75 mi25468+1614676+914676+924797(Top 93%)14222(Top 94%)14222(Top 693%)
23M23.00 mi1.25 mi25444+2414658+1814658+1824753(Top 93%)14219(Top 94%)14219(Top 693%)
24M24.00 mi1.00 mi25583-13914719-6114719-6126545(Top 100%)15127(Top 100%)15127(Top 737%)
40K24.85 mi0.85 mi25530+5314688+3114688+3123779(Top 89%)13686(Top 90%)13686(Top 667%)
25.2M25.20 mi0.35 mi25510+2014679+914679+923968(Top 90%)13785(Top 91%)13785(Top 672%)
Finish26.22 mi1.02 mi25498+1214670+914670+924824(Top 93%)14230(Top 94%)14230(Top 693%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25627

Males

14780

M50-54

14780

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25657

Males

14807

M50-54

14807

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25627

Males

14780

M50-54

14780

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25465

Males

14691

M50-54

14691

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

25588

Males

14727

M50-54

14727

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25342

Males

14618

M50-54

14618

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

24980

Males

14403

M50-54

14403

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25024

Males

14389

M50-54

14389

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25073

Males

14402

M50-54

14402

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24797

Males

14222

M50-54

14222

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24753

Males

14219

M50-54

14219

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26545

Males

15127

M50-54

15127

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23779

Males

13686

M50-54

13686

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23968

Males

13785

M50-54

13785

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24824

Males

14230

M50-54

14230

Passing Analysis

Category:
Athletes Passed
901
Passed By
420
Net Change
+481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25979
5K → 10K19650+146#25979#25833
10K → 15K11355+58#25833#25775
15K → 20K11641+75#25775#25700
20K → Half1613+3#25700#25697
Half → 25K9229+63#25697#25634
25K → 30K13821+117#25634#25517
30K → 20M3931+8#25517#25509
20M → 21M349+25#25509#25484
21M → 35K2812+16#25484#25468
35K → 23M3511+24#25468#25444
23M → 24M0139-139#25444#25583
24M → 40K530+53#25583#25530
40K → 25.2M211+20#25530#25510
25.2M → Finish208+12#25510#25498
TOTALS901420+481
📊

Passing Visuals

Category:
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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