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BOSTON MARATHON 2023

Sean Fox

Bib: 7478•M

PA

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
24:48
Rank: #13913
Start → 5K
24:48 | 7:59/mi
10K· 6.21 mi
49:33
Rank: #14214 (-301)
5K → 10K
24:45 | 7:58/mi
15K· 9.32 mi
1:14:15
Rank: #14119 (+95)
10K → 15K
24:42 | 7:57/mi
20K· 12.43 mi
1:39:57
Rank: #14413 (-294)
15K → 20K
25:42 | 8:16/mi
Half· 13.11 mi
1:45:31
Rank: #14500 (-87)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:23
Rank: #14893 (-393)
Half → 25K
20:52 | 8:36/mi
30K· 18.64 mi
2:34:41
Rank: #15464 (-571)
25K → 30K
28:18 | 9:07/mi
20M
2:48:02
Rank: #15919 (-455)
30K → 20M
13:21 | 9:49/mi
21M
2:58:22
Rank: #16141 (-222)
20M → 21M
10:20 | 10:20/mi
35K· 21.75 mi
3:05:43
Rank: #16389 (-248)
21M → 35K
7:21 | 9:49/mi
23M
3:19:12
Rank: #16942 (-553)
35K → 23M
13:29 | 10:46/mi
24M
3:29:34
Rank: #17293 (-351)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
3:39:06
Rank: #17712 (-419)
24M → 40K
9:32 | 11:09/mi
25.2M
3:43:05
Rank: #17822 (-110)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
3:53:15
Rank: #18034 (-212)
25.2M → Finish
10:10 | 9:59/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
Time2:07:44
Pace9:45 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5724:487:5924:48
7:59
-
10K
6.21 mi10:54:4249:337:5824:45
7:58
-0:01
15K
9.32 mi11:19:241:14:157:5824:42
7:57
-0:01
20K
12.43 mi11:45:061:39:578:0325:42
8:16
+0:19
Half
13.11 mi11:50:401:45:318:035:34
8:10
-0:06
25K
15.53 mi12:11:322:06:238:0820:52
8:36
+0:26
30K
18.64 mi12:39:502:34:418:1828:18
9:07
+0:31
20M
20.00 mi12:53:112:48:028:2413:21
9:49
+0:42
21M
21.00 mi13:03:312:58:228:3010:20
10:20
+0:31
35K
21.75 mi13:10:523:05:438:327:21
9:49
-0:31
23M
23.00 mi13:24:213:19:128:4013:29
10:46
+0:57
24M
24.00 mi13:34:433:29:348:4410:22
10:22
-0:24
40K
24.85 mi13:44:153:39:068:499:32
11:09
+0:47
25.2M
25.20 mi13:48:143:43:058:513:59
11:33
+0:24
Finish
26.22 mi13:58:243:53:158:5410:10
9:59
-1:34

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

7:57 /mi

Average Pace

8:54 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:41

66% of race

Time at Steady Pace

51:34

22% of race

Time at Slower Pace

27:00

12% of race

Average Pace: 8:54 /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 mi10:29:5724:487:5924:48
7:59
#13913
10K
6.21 mi10:54:4249:337:5824:45
7:58
#14214
15K
9.32 mi11:19:241:14:157:5824:42
7:57
#14119
20K
12.43 mi11:45:061:39:578:0325:42
8:16
#14413
Half
13.11 mi11:50:401:45:318:035:34
8:10
#14500
25K
15.53 mi12:11:322:06:238:0820:52
8:36
#14893
30K
18.64 mi12:39:502:34:418:1828:18
9:07
#15464
20M
20.00 mi12:53:112:48:028:2413:21
9:49
#15919
21M
21.00 mi13:03:312:58:228:3010:20
10:20
#16141
35K
21.75 mi13:10:523:05:438:327:21
9:49
#16389
23M
23.00 mi13:24:213:19:128:4013:29
10:46
#16942
24M
24.00 mi13:34:433:29:348:4410:22
10:22
#17293
40K
24.85 mi13:44:153:39:068:499:32
11:09
#17712
25.2M
25.20 mi13:48:143:43:058:513:59
11:33
#17822
Finish
26.22 mi13:58:243:53:158:5410:10
9:59
#18034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi139139917991714020(Top 53%)9901(Top 65%)9901(Top 187%)
10K6.21 mi3.10 mi14214-30110018-10110018-10114569(Top 55%)10146(Top 67%)10146(Top 192%)
15K9.32 mi3.11 mi14119+959966+529966+5214020(Top 53%)9901(Top 65%)9901(Top 187%)
20K12.43 mi3.11 mi14413-29410074-10810074-10815450(Top 58%)10431(Top 69%)10431(Top 197%)
Half13.11 mi0.68 mi14500-8710113-3910113-3915601(Top 59%)10510(Top 69%)10510(Top 199%)
25K15.53 mi2.42 mi14893-39310230-11710230-11716863(Top 63%)10907(Top 72%)10907(Top 206%)
30K18.64 mi3.11 mi15464-57110391-16110391-16117758(Top 67%)11235(Top 74%)11235(Top 213%)
20M20.00 mi1.36 mi15919-45510549-15810549-15819951(Top 75%)12104(Top 80%)12104(Top 229%)
21M21.00 mi1.00 mi16141-22210619-7010619-7019144(Top 72%)11694(Top 77%)11694(Top 221%)
35K21.75 mi0.75 mi16389-24810717-9810717-9820851(Top 78%)12413(Top 82%)12413(Top 235%)
23M23.00 mi1.25 mi16942-55310934-21710934-21721925(Top 82%)12870(Top 85%)12870(Top 244%)
24M24.00 mi1.00 mi17293-35111072-13811072-13821730(Top 82%)12738(Top 84%)12738(Top 241%)
40K24.85 mi0.85 mi17712-41911229-15711229-15722666(Top 85%)13154(Top 87%)13154(Top 249%)
25.2M25.20 mi0.35 mi17822-11011271-4211271-4221717(Top 82%)12712(Top 84%)12712(Top 241%)
Finish26.22 mi1.02 mi18034-21211337-6611337-6621719(Top 82%)12725(Top 84%)12725(Top 241%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14020

Males

9901

M18-39

9901

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14569

Males

10146

M18-39

10146

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14020

Males

9901

M18-39

9901

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15450

Males

10431

M18-39

10431

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15601

Males

10510

M18-39

10510

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

16863

Males

10907

M18-39

10907

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17758

Males

11235

M18-39

11235

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19951

Males

12104

M18-39

12104

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19144

Males

11694

M18-39

11694

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

20851

Males

12413

M18-39

12413

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21925

Males

12870

M18-39

12870

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21730

Males

12738

M18-39

12738

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22666

Males

13154

M18-39

13154

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21717

Males

12712

M18-39

12712

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21719

Males

12725

M18-39

12725

Passing Analysis

Category:
Athletes Passed
741
Passed By
4862
Net Change
-4121
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13913
5K → 10K164465-301#13913#14214
10K → 15K239144+95#14214#14119
15K → 20K101395-294#14119#14413
20K → Half996-87#14413#14500
Half → 25K64457-393#14500#14893
25K → 30K53624-571#14893#15464
30K → 20M22477-455#15464#15919
20M → 21M36258-222#15919#16141
21M → 35K8256-248#16141#16389
35K → 23M13566-553#16389#16942
23M → 24M9360-351#16942#17293
24M → 40K9428-419#17293#17712
40K → 25.2M6116-110#17712#17822
25.2M → Finish8220-212#17822#18034
TOTALS7414862-4121
📊

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