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BOSTON MARATHON 2023

Nick Schiffer

Bib: 31256•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:31
Rank: #22980
Start → 5K
9:49/mi
30:31 split
10K· 6.21 mi
59:25
Rank: #22504 (+476)
5K → 10K
9:18/mi
28:54 split
15K· 9.32 mi
1:28:45
Rank: #22384 (+120)
10K → 15K
9:26/mi
29:20 split
20K· 12.43 mi
2:00:44
Rank: #22713 (-329)
15K → 20K
10:18/mi
31:59 split
Half· 13.11 mi
2:08:59
Rank: #23029 (-316)
20K → Half
12:06/mi
8:15 split
25K· 15.53 mi
2:35:17
Rank: #23195 (-166)
Half → 25K
10:51/mi
26:18 split
30K· 18.64 mi
3:11:56
Rank: #23435 (-240)
25K → 30K
11:48/mi
36:39 split
20M
3:29:58
Rank: #23638 (-203)
30K → 20M
13:16/mi
18:02 split
21M
3:43:21
Rank: #23727 (-89)
20M → 21M
13:23/mi
13:23 split
35K· 21.75 mi
3:52:06
Rank: #23779 (-52)
21M → 35K
11:42/mi
8:45 split
23M
4:08:10
Rank: #23902 (-123)
35K → 23M
12:50/mi
16:04 split
24M
4:20:36
Rank: #23960 (-58)
23M → 24M
12:26/mi
12:26 split
40K· 24.85 mi
4:31:19
Rank: #23992 (-32)
24M → 40K
12:32/mi
10:43 split
25.2M
4:35:57
Rank: #24002 (-10)
40K → 25.2M
13:26/mi
4:38 split
Finish· 26.22 mi
4:46:40
Rank: #23969 (+33)
25.2M → Finish
10:31/mi
10:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:59
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:37:41
Pace12:02 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1530:319:4930:31
9:49
-
10K
6.21 mi12:19:0959:259:3428:54
9:18
-0:31
15K
9.32 mi12:48:291:28:459:3129:20
9:26
+0:08
20K
12.43 mi13:20:282:00:449:4331:59
10:18
+0:52
Half
13.11 mi13:28:432:08:599:508:15
12:06
+1:48
25K
15.53 mi13:55:012:35:1710:0026:18
10:51
-1:15
30K
18.64 mi14:31:403:11:5610:1836:39
11:48
+0:57
20M
20.00 mi14:49:423:29:5810:3018:02
13:16
+1:28
21M
21.00 mi15:03:053:43:2110:3813:23
13:23
+0:07
35K
21.75 mi15:11:503:52:0610:408:45
11:42
-1:41
23M
23.00 mi15:27:544:08:1010:4716:04
12:50
+1:08
24M
24.00 mi15:40:204:20:3610:5212:26
12:26
-0:24
40K
24.85 mi15:51:034:31:1910:5510:43
12:32
+0:06
25.2M
25.20 mi15:55:414:35:5710:574:38
13:26
+0:54
Finish
26.22 mi16:06:244:46:4010:5610:43
10:31
-2:55

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

9:18 /mi

Average Pace

10:56 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:45

55% of race

Time at Steady Pace

1:06:05

23% of race

Time at Slower Pace

1:02:50

22% of race

Average Pace: 10:56 /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 mi11:50:1530:319:4930:31
9:49
#22980
10K
6.21 mi12:19:0959:259:3428:54
9:18
#22504
15K
9.32 mi12:48:291:28:459:3129:20
9:26
#22384
20K
12.43 mi13:20:282:00:449:4331:59
10:18
#22713
Half
13.11 mi13:28:432:08:599:508:15
12:06
#23029
25K
15.53 mi13:55:012:35:1710:0026:18
10:51
#23195
30K
18.64 mi14:31:403:11:5610:1836:39
11:48
#23435
20M
20.00 mi14:49:423:29:5810:3018:02
13:16
#23638
21M
21.00 mi15:03:053:43:2110:3813:23
13:23
#23727
35K
21.75 mi15:11:503:52:0610:408:45
11:42
#23779
23M
23.00 mi15:27:544:08:1010:4716:04
12:50
#23902
24M
24.00 mi15:40:204:20:3610:5212:26
12:26
#23960
40K
24.85 mi15:51:034:31:1910:5510:43
12:32
#23992
25.2M
25.20 mi15:55:414:35:5710:574:38
13:26
#24002
Finish
26.22 mi16:06:244:46:4010:5610:43
10:31
#23969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22980135811358122083(Top 83%)13227(Top 87%)13227(Top 250%)
10K6.21 mi3.10 mi22504+47613380+20113380+20121943(Top 82%)13133(Top 87%)13133(Top 248%)
15K9.32 mi3.11 mi22384+12013329+5113329+5122083(Top 83%)13227(Top 87%)13227(Top 250%)
20K12.43 mi3.11 mi22713-32913497-16813497-16823456(Top 88%)13835(Top 91%)13835(Top 262%)
Half13.11 mi0.68 mi23029-31613646-14913646-14925935(Top 97%)14886(Top 98%)14886(Top 282%)
25K15.53 mi2.42 mi23195-16613717-7113717-7123739(Top 89%)13900(Top 92%)13900(Top 263%)
30K18.64 mi3.11 mi23435-24013807-9013807-9024251(Top 91%)14080(Top 93%)14080(Top 266%)
20M20.00 mi1.36 mi23638-20313887-8013887-8025372(Top 95%)14558(Top 96%)14558(Top 275%)
21M21.00 mi1.00 mi23727-8913920-3313920-3324473(Top 92%)14125(Top 93%)14125(Top 267%)
35K21.75 mi0.75 mi23779-5213938-1813938-1824345(Top 91%)14015(Top 92%)14015(Top 265%)
23M23.00 mi1.25 mi23902-12313981-4313981-4324913(Top 94%)14302(Top 94%)14302(Top 271%)
24M24.00 mi1.00 mi23960-5813997-1613997-1624988(Top 94%)14292(Top 94%)14292(Top 270%)
40K24.85 mi0.85 mi23992-3214003-614003-624480(Top 92%)14032(Top 92%)14032(Top 266%)
25.2M25.20 mi0.35 mi24002-1014005-214005-224450(Top 92%)14024(Top 92%)14024(Top 265%)
Finish26.22 mi1.02 mi23969+3313983+2213983+2223025(Top 86%)13348(Top 88%)13348(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22083

Males

13227

M18-39

13227

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21943

Males

13133

M18-39

13133

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22083

Males

13227

M18-39

13227

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23456

Males

13835

M18-39

13835

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25935

Males

14886

M18-39

14886

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23739

Males

13900

M18-39

13900

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24251

Males

14080

M18-39

14080

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25372

Males

14558

M18-39

14558

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24473

Males

14125

M18-39

14125

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24345

Males

14015

M18-39

14015

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24913

Males

14302

M18-39

14302

23M→24M

23.0 - 24.0 mi

Top 94%
×6story building
+12ft-82ft

Overall

24988

Males

14292

M18-39

14292

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24480

Males

14032

M18-39

14032

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24450

Males

14024

M18-39

14024

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

23025

Males

13348

M18-39

13348

Passing Analysis

Category:
Athletes Passed
1047
Passed By
2036
Net Change
-989
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22980
5K → 10K54569+476#22980#22504
10K → 15K20989+120#22504#22384
15K → 20K52381-329#22384#22713
20K → Half1317-316#22713#23029
Half → 25K57223-166#23029#23195
25K → 30K47287-240#23195#23435
30K → 20M14217-203#23435#23638
20M → 21M19108-89#23638#23727
21M → 35K961-52#23727#23779
35K → 23M12135-123#23779#23902
23M → 24M1068-58#23902#23960
24M → 40K2052-32#23960#23992
40K → 25.2M515-10#23992#24002
25.2M → Finish4714+33#24002#23969
TOTALS10472036-989
📊

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