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BOSTON MARATHON 2023

Patrick Sandefur

Bib: 17101•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:16
Rank: #14945
Start → 5K
25:16 | 8:08/mi
10K· 6.21 mi
49:55
Rank: #14614 (+331)
5K → 10K
24:39 | 7:56/mi
15K· 9.32 mi
1:14:44
Rank: #14480 (+134)
10K → 15K
24:49 | 7:59/mi
20K· 12.43 mi
1:40:03
Rank: #14486 (-6)
15K → 20K
25:19 | 8:09/mi
Half· 13.11 mi
1:45:31
Rank: #14496 (-10)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:05:33
Rank: #14511 (-15)
Half → 25K
20:02 | 8:16/mi
30K· 18.64 mi
2:32:03
Rank: #14502 (+9)
25K → 30K
26:30 | 8:32/mi
20M
2:44:05
Rank: #14587 (-85)
30K → 20M
12:02 | 8:51/mi
21M
2:53:30
Rank: #14634 (-47)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
2:59:59
Rank: #14688 (-54)
21M → 35K
6:29 | 8:40/mi
23M
3:11:17
Rank: #14783 (-95)
35K → 23M
11:18 | 9:02/mi
24M
3:20:23
Rank: #14895 (-112)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:28:30
Rank: #15032 (-137)
24M → 40K
8:07 | 9:30/mi
25.2M
3:32:12
Rank: #15126 (-94)
40K → 25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
3:42:07
Rank: #15475 (-349)
25.2M → Finish
9:55 | 9:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:56:36
Pace8:54 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4925:168:0825:16
8:08
-
10K
6.21 mi11:40:2849:558:0224:39
7:56
-0:12
15K
9.32 mi12:05:171:14:448:0124:49
7:59
+0:03
20K
12.43 mi12:30:361:40:038:0325:19
8:09
+0:10
Half
13.11 mi12:36:041:45:318:035:28
8:01
-0:08
25K
15.53 mi12:56:062:05:338:0520:02
8:16
+0:15
30K
18.64 mi13:22:362:32:038:0926:30
8:32
+0:16
20M
20.00 mi13:34:382:44:058:1212:02
8:51
+0:19
21M
21.00 mi13:44:032:53:308:169:25
9:25
+0:34
35K
21.75 mi13:50:322:59:598:176:29
8:40
-0:45
23M
23.00 mi14:01:503:11:178:1911:18
9:02
+0:22
24M
24.00 mi14:10:563:20:238:219:06
9:06
+0:04
40K
24.85 mi14:19:033:28:308:238:07
9:30
+0:24
25.2M
25.20 mi14:22:453:32:128:253:42
10:44
+1:14
Finish
26.22 mi14:32:403:42:078:299:55
9:44
-1:00

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

7:56 /mi

Average Pace

8:29 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:33

57% of race

Time at Steady Pace

56:19

25% of race

Time at Slower Pace

40:15

18% of race

Average Pace: 8:28 /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 mi11:15:4925:168:0825:16
8:08
#14945
10K
6.21 mi11:40:2849:558:0224:39
7:56
#14614
15K
9.32 mi12:05:171:14:448:0124:49
7:59
#14480
20K
12.43 mi12:30:361:40:038:0325:19
8:09
#14486
Half
13.11 mi12:36:041:45:318:035:28
8:01
#14496
25K
15.53 mi12:56:062:05:338:0520:02
8:16
#14511
30K
18.64 mi13:22:362:32:038:0926:30
8:32
#14502
20M
20.00 mi13:34:382:44:058:1212:02
8:51
#14587
21M
21.00 mi13:44:032:53:308:169:25
9:25
#14634
35K
21.75 mi13:50:322:59:598:176:29
8:40
#14688
23M
23.00 mi14:01:503:11:178:1911:18
9:02
#14783
24M
24.00 mi14:10:563:20:238:219:06
9:06
#14895
40K
24.85 mi14:19:033:28:308:238:07
9:30
#15032
25.2M
25.20 mi14:22:453:32:128:253:42
10:44
#15126
Finish
26.22 mi14:32:403:42:078:299:55
9:44
#15475
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi14945103191031914285(Top 54%)10025(Top 66%)10025(Top 1826%)
10K6.21 mi3.10 mi14614+33110182+13710182+13714266(Top 54%)10033(Top 66%)10033(Top 1828%)
15K9.32 mi3.11 mi14480+13410117+6510117+6514285(Top 54%)10025(Top 66%)10025(Top 1826%)
20K12.43 mi3.11 mi14486-610106+1110106+1114578(Top 55%)10113(Top 67%)10113(Top 1842%)
Half13.11 mi0.68 mi14496-1010111-510111-514449(Top 54%)10088(Top 66%)10088(Top 1838%)
25K15.53 mi2.42 mi14511-1510087+2410087+2414686(Top 55%)10032(Top 66%)10032(Top 1827%)
30K18.64 mi3.11 mi14502+910034+5310034+5314498(Top 54%)9856(Top 65%)9856(Top 1795%)
20M20.00 mi1.36 mi14587-8510048-1410048-1415726(Top 59%)10297(Top 68%)10297(Top 1876%)
21M21.00 mi1.00 mi14634-4710047+110047+115542(Top 58%)10151(Top 67%)10151(Top 1849%)
35K21.75 mi0.75 mi14688-5410054-710054-716201(Top 61%)10363(Top 68%)10363(Top 1888%)
23M23.00 mi1.25 mi14783-9510058-410058-416166(Top 61%)10313(Top 68%)10313(Top 1879%)
24M24.00 mi1.00 mi14895-11210085-2710085-2717655(Top 66%)10913(Top 72%)10913(Top 1988%)
40K24.85 mi0.85 mi15032-13710116-3110116-3118290(Top 69%)11172(Top 74%)11172(Top 2035%)
25.2M25.20 mi0.35 mi15126-9410144-2810144-2819731(Top 74%)11783(Top 78%)11783(Top 2146%)
Finish26.22 mi1.02 mi15475-34910263-11910263-11920878(Top 78%)12358(Top 81%)12358(Top 2251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14285

Males

10025

M65-69

10025

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14266

Males

10033

M65-69

10033

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14285

Males

10025

M65-69

10025

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14578

Males

10113

M65-69

10113

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14449

Males

10088

M65-69

10088

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14686

Males

10032

M65-69

10032

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14498

Males

9856

M65-69

9856

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15726

Males

10297

M65-69

10297

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15542

Males

10151

M65-69

10151

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

16201

Males

10363

M65-69

10363

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16166

Males

10313

M65-69

10313

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

17655

Males

10913

M65-69

10913

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18290

Males

11172

M65-69

11172

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19731

Males

11783

M65-69

11783

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20878

Males

12358

M65-69

12358

Passing Analysis

Category:
Athletes Passed
1578
Passed By
2108
Net Change
-530
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14945
5K → 10K486155+331#14945#14614
10K → 15K261127+134#14614#14480
15K → 20K179185-6#14480#14486
20K → Half2636-10#14486#14496
Half → 25K139154-15#14496#14511
25K → 30K175166+9#14511#14502
30K → 20M69154-85#14502#14587
20M → 21M65112-47#14587#14634
21M → 35K3185-54#14634#14688
35K → 23M52147-95#14688#14783
23M → 24M35147-112#14783#14895
24M → 40K31168-137#14895#15032
40K → 25.2M16110-94#15032#15126
25.2M → Finish13362-349#15126#15475
TOTALS15782108-530
📊

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