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BOSTON MARATHON 2023

Kevin Fox

Bib: 11874•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
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

Start
0:00:00
Race begins
5K· 3.11 mi
24:01
Rank: #11719
Start → 5K
7:44/mi
24:01 split
10K· 6.21 mi
48:07
Rank: #12209 (-490)
5K → 10K
7:45/mi
24:06 split
15K· 9.32 mi
1:12:52
Rank: #12851 (-642)
10K → 15K
7:58/mi
24:45 split
20K· 12.43 mi
1:37:07
Rank: #12525 (+326)
15K → 20K
7:48/mi
24:15 split
Half· 13.11 mi
1:42:29
Rank: #12554 (-29)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:01:39
Rank: #12449 (+105)
Half → 25K
7:54/mi
19:10 split
30K· 18.64 mi
2:26:50
Rank: #12274 (+175)
25K → 30K
8:06/mi
25:11 split
20M
2:37:58
Rank: #12204 (+70)
30K → 20M
8:12/mi
11:08 split
21M
2:46:49
Rank: #12211 (-7)
20M → 21M
8:51/mi
8:51 split
35K· 21.75 mi
2:52:48
Rank: #12193 (+18)
21M → 35K
8:00/mi
5:59 split
23M
3:03:15
Rank: #12200 (-7)
35K → 23M
8:21/mi
10:27 split
24M
3:11:23
Rank: #12206 (-6)
23M → 24M
8:08/mi
8:08 split
40K· 24.85 mi
3:18:40
Rank: #12230 (-24)
24M → 40K
8:31/mi
7:17 split
25.2M
3:21:50
Rank: #12256 (-26)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:30:22
Rank: #12367 (-111)
25.2M → Finish
8:22/mi
8:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:29
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0924:017:4424:01
7:44
-
10K
6.21 mi11:15:1548:077:4524:06
7:45
+0:01
15K
9.32 mi11:40:001:12:527:4924:45
7:58
+0:13
20K
12.43 mi12:04:151:37:077:4924:15
7:48
-0:10
Half
13.11 mi12:09:371:42:297:495:22
7:52
+0:04
25K
15.53 mi12:28:472:01:397:5019:10
7:54
+0:02
30K
18.64 mi12:53:582:26:507:5325:11
8:06
+0:12
20M
20.00 mi13:05:062:37:587:5411:08
8:12
+0:06
21M
21.00 mi13:13:572:46:497:578:51
8:51
+0:39
35K
21.75 mi13:19:562:52:487:575:59
8:00
-0:51
23M
23.00 mi13:30:233:03:157:5810:27
8:21
+0:21
24M
24.00 mi13:38:313:11:237:588:08
8:08
-0:13
40K
24.85 mi13:45:483:18:408:007:17
8:31
+0:23
25.2M
25.20 mi13:48:583:21:508:013:10
9:11
+0:40
Finish
26.22 mi13:57:303:30:228:028:32
8:22
-0:49

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

7:44 /mi

Average Pace

8:02 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:04

91% of race

Time at Steady Pace

16:08

8% of race

Time at Slower Pace

3:10

2% of race

Average Pace: 8:01 /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 mi10:51:0924:017:4424:01
7:44
#11719
10K
6.21 mi11:15:1548:077:4524:06
7:45
#12209
15K
9.32 mi11:40:001:12:527:4924:45
7:58
#12851
20K
12.43 mi12:04:151:37:077:4924:15
7:48
#12525
Half
13.11 mi12:09:371:42:297:495:22
7:52
#12554
25K
15.53 mi12:28:472:01:397:5019:10
7:54
#12449
30K
18.64 mi12:53:582:26:507:5325:11
8:06
#12274
20M
20.00 mi13:05:062:37:587:5411:08
8:12
#12204
21M
21.00 mi13:13:572:46:497:578:51
8:51
#12211
35K
21.75 mi13:19:562:52:487:575:59
8:00
#12193
23M
23.00 mi13:30:233:03:157:5810:27
8:21
#12200
24M
24.00 mi13:38:313:11:237:588:08
8:08
#12206
40K
24.85 mi13:45:483:18:408:007:17
8:31
#12230
25.2M
25.20 mi13:48:583:21:508:013:10
9:11
#12256
Finish
26.22 mi13:57:303:30:228:028:32
8:22
#12367
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi117199000900014094(Top 53%)9934(Top 65%)9934(Top 484%)
10K6.21 mi3.10 mi12209-4909213-2139213-21312727(Top 48%)9437(Top 62%)9437(Top 460%)
15K9.32 mi3.11 mi12851-6429467-2549467-25414094(Top 53%)9934(Top 65%)9934(Top 484%)
20K12.43 mi3.11 mi12525+3269296+1719296+17111780(Top 44%)8927(Top 59%)8927(Top 435%)
Half13.11 mi0.68 mi12554-299302-69302-613245(Top 50%)9575(Top 63%)9575(Top 467%)
25K15.53 mi2.42 mi12449+1059234+689234+6811949(Top 45%)8888(Top 59%)8888(Top 433%)
30K18.64 mi3.11 mi12274+1759117+1179117+11711681(Top 44%)8661(Top 57%)8661(Top 422%)
20M20.00 mi1.36 mi12204+709082+359082+3511639(Top 44%)8544(Top 56%)8544(Top 416%)
21M21.00 mi1.00 mi12211-79063+199063+1912523(Top 47%)8807(Top 58%)8807(Top 429%)
35K21.75 mi0.75 mi12193+189035+289035+2812087(Top 45%)8596(Top 57%)8596(Top 419%)
23M23.00 mi1.25 mi12200-79015+209015+2012198(Top 46%)8554(Top 56%)8554(Top 417%)
24M24.00 mi1.00 mi12206-68998+178998+1712128(Top 46%)8454(Top 56%)8454(Top 412%)
40K24.85 mi0.85 mi12230-248995+38995+313443(Top 50%)8982(Top 59%)8982(Top 438%)
25.2M25.20 mi0.35 mi12256-268994+18994+113481(Top 51%)8974(Top 59%)8974(Top 437%)
Finish26.22 mi1.02 mi12367-1119021-279021-2714532(Top 55%)9501(Top 63%)9501(Top 463%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

14094

Males

9934

M50-54

9934

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12727

Males

9437

M50-54

9437

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

14094

Males

9934

M50-54

9934

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11780

Males

8927

M50-54

8927

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13245

Males

9575

M50-54

9575

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11949

Males

8888

M50-54

8888

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11681

Males

8661

M50-54

8661

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11639

Males

8544

M50-54

8544

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12523

Males

8807

M50-54

8807

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12087

Males

8596

M50-54

8596

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12198

Males

8554

M50-54

8554

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

12128

Males

8454

M50-54

8454

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13443

Males

8982

M50-54

8982

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13481

Males

8974

M50-54

8974

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14532

Males

9501

M50-54

9501

Passing Analysis

Category:
Athletes Passed
1579
Passed By
2227
Net Change
-648
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11719
5K → 10K129619-490#11719#12209
10K → 15K49691-642#12209#12851
15K → 20K37953+326#12851#12525
20K → Half2352-29#12525#12554
Half → 25K17469+105#12554#12449
25K → 30K287112+175#12449#12274
30K → 20M12959+70#12274#12204
20M → 21M8996-7#12204#12211
21M → 35K5739+18#12211#12193
35K → 23M8592-7#12193#12200
23M → 24M6066-6#12200#12206
24M → 40K5074-24#12206#12230
40K → 25.2M2652-26#12230#12256
25.2M → Finish42153-111#12256#12367
TOTALS15792227-648
📊

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