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BOSTON MARATHON 2023

Justin Foley

Bib: 3990•M

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 41%
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
23:26
Rank: #10008
Start → 5K
23:26 | 7:33/mi
10K· 6.21 mi
46:35
Rank: #9993 (+15)
5K → 10K
23:09 | 7:27/mi
15K· 9.32 mi
1:09:40
Rank: #9813 (+180)
10K → 15K
23:05 | 7:26/mi
20K· 12.43 mi
1:33:56
Rank: #10336 (-523)
15K → 20K
24:16 | 7:49/mi
Half· 13.11 mi
1:38:54
Rank: #10235 (+101)
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:56:40
Rank: #9738 (+497)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:20:47
Rank: #9607 (+131)
25K → 30K
24:07 | 7:46/mi
20M
2:31:57
Rank: #9716 (-109)
30K → 20M
11:10 | 8:13/mi
21M
2:41:50
Rank: #10272 (-556)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
2:47:56
Rank: #10372 (-100)
21M → 35K
6:06 | 8:09/mi
23M
2:58:18
Rank: #10416 (-44)
35K → 23M
10:22 | 8:17/mi
24M
3:06:41
Rank: #10573 (-157)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:14:09
Rank: #10715 (-142)
24M → 40K
7:28 | 8:44/mi
25.2M
3:17:16
Rank: #10748 (-33)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:25:55
Rank: #10945 (-197)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:47:01
Pace8:10 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2723:267:3323:26
7:33
-
10K
6.21 mi11:12:3646:357:3023:09
7:27
-0:06
15K
9.32 mi11:35:411:09:407:2823:05
7:26
-0:01
20K
12.43 mi11:59:571:33:567:3424:16
7:49
+0:23
Half
13.11 mi12:04:551:38:547:334:58
7:17
-0:32
25K
15.53 mi12:22:411:56:407:3117:46
7:20
+0:03
30K
18.64 mi12:46:482:20:477:3324:07
7:46
+0:26
20M
20.00 mi12:57:582:31:577:3611:10
8:13
+0:27
21M
21.00 mi13:07:512:41:507:429:53
9:53
+1:40
35K
21.75 mi13:13:572:47:567:436:06
8:09
-1:44
23M
23.00 mi13:24:192:58:187:4510:22
8:17
+0:08
24M
24.00 mi13:32:423:06:417:478:23
8:23
+0:06
40K
24.85 mi13:40:103:14:097:497:28
8:44
+0:21
25.2M
25.20 mi13:43:173:17:167:503:07
9:02
+0:18
Finish
26.22 mi13:51:563:25:557:528:39
8:29
-0:33

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

7:17 /mi

Average Pace

7:52 /mi

Slowest Pace

9:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:31

57% of race

Time at Steady Pace

1:08:56

33% of race

Time at Slower Pace

20:28

10% of race

Average Pace: 7:51 /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 mi10:49:2723:267:3323:26
7:33
#10008
10K
6.21 mi11:12:3646:357:3023:09
7:27
#9993
15K
9.32 mi11:35:411:09:407:2823:05
7:26
#9813
20K
12.43 mi11:59:571:33:567:3424:16
7:49
#10336
Half
13.11 mi12:04:551:38:547:334:58
7:17
#10235
25K
15.53 mi12:22:411:56:407:3117:46
7:20
#9738
30K
18.64 mi12:46:482:20:477:3324:07
7:46
#9607
20M
20.00 mi12:57:582:31:577:3611:10
8:13
#9716
21M
21.00 mi13:07:512:41:507:429:53
9:53
#10272
35K
21.75 mi13:13:572:47:567:436:06
8:09
#10372
23M
23.00 mi13:24:192:58:187:4510:22
8:17
#10416
24M
24.00 mi13:32:423:06:417:478:23
8:23
#10573
40K
24.85 mi13:40:103:14:097:497:28
8:44
#10715
25.2M
25.20 mi13:43:173:17:167:503:07
9:02
#10748
Finish
26.22 mi13:51:563:25:557:528:39
8:29
#10945
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10008813381339595(Top 36%)7922(Top 52%)7922(Top 150%)
10K6.21 mi3.10 mi9993+158144-118144-1110074(Top 38%)8205(Top 54%)8205(Top 155%)
15K9.32 mi3.11 mi9813+1808049+958049+959595(Top 36%)7922(Top 52%)7922(Top 150%)
20K12.43 mi3.11 mi10336-5238329-2808329-28011820(Top 44%)8941(Top 59%)8941(Top 169%)
Half13.11 mi0.68 mi10235+1018274+558274+558458(Top 32%)7197(Top 47%)7197(Top 136%)
25K15.53 mi2.42 mi9738+4977989+2857989+2857462(Top 28%)6464(Top 43%)6464(Top 122%)
30K18.64 mi3.11 mi9607+1317876+1137876+1139077(Top 34%)7337(Top 48%)7337(Top 139%)
20M20.00 mi1.36 mi9716-1097905-297905-2911790(Top 44%)8617(Top 57%)8617(Top 163%)
21M21.00 mi1.00 mi10272-5568176-2718176-27117545(Top 66%)11019(Top 73%)11019(Top 208%)
35K21.75 mi0.75 mi10372-1008206-308206-3013100(Top 49%)9015(Top 59%)9015(Top 171%)
23M23.00 mi1.25 mi10416-448195+118195+1111718(Top 44%)8336(Top 55%)8336(Top 158%)
24M24.00 mi1.00 mi10573-1578240-458240-4513726(Top 52%)9185(Top 61%)9185(Top 174%)
40K24.85 mi0.85 mi10715-1428293-538293-5314667(Top 55%)9517(Top 63%)9517(Top 180%)
25.2M25.20 mi0.35 mi10748-338291+28291+212670(Top 48%)8583(Top 57%)8583(Top 162%)
Finish26.22 mi1.02 mi10945-1978365-748365-7415316(Top 58%)9857(Top 65%)9857(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9595

Males

7922

M18-39

7922

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10074

Males

8205

M18-39

8205

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9595

Males

7922

M18-39

7922

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11820

Males

8941

M18-39

8941

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8458

Males

7197

M18-39

7197

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7462

Males

6464

M18-39

6464

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9077

Males

7337

M18-39

7337

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11790

Males

8617

M18-39

8617

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

17545

Males

11019

M18-39

11019

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13100

Males

9015

M18-39

9015

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11718

Males

8336

M18-39

8336

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13726

Males

9185

M18-39

9185

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14667

Males

9517

M18-39

9517

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12670

Males

8583

M18-39

8583

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15316

Males

9857

M18-39

9857

Passing Analysis

Category:
Athletes Passed
1742*
Passed By
2677
Net Change
-937
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10008
5K → 10K315*300+15#10008#9993
10K → 15K27898+180#9993#9813
15K → 20K47570-523#9813#10336
20K → Half1032+101#10336#10235
Half → 25K500*3+497#10235#9738
25K → 30K226*95+131#9738#9607
30K → 20M60169-109#9607#9716
20M → 21M11565-556#9716#10272
21M → 35K26126-100#10272#10372
35K → 23M64108-44#10372#10416
23M → 24M33190-157#10416#10573
24M → 40K36178-142#10573#10715
40K → 25.2M2154-33#10715#10748
25.2M → Finish22219-197#10748#10945
TOTALS1742*2677-937

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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