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BOSTON MARATHON 2023

Justin Perkins

Bib: 2936•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 16%
Division (M18-39)
#0 / 5285
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #3564
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
40:45
Rank: #2852 (+712)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
1:00:55
Rank: #2732 (+120)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:21:14
Rank: #2653 (+79)
15K → 20K
20:19 | 6:32/mi
Half· 13.11 mi
1:25:39
Rank: #2650 (+3)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:37
Rank: #2632 (+18)
Half → 25K
15:58 | 6:35/mi
30K· 18.64 mi
2:02:24
Rank: #2549 (+83)
25K → 30K
20:47 | 6:41/mi
20M
2:11:33
Rank: #2528 (+21)
30K → 20M
9:09 | 6:44/mi
21M
2:18:47
Rank: #2533 (-5)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:23:43
Rank: #2512 (+21)
21M → 35K
4:56 | 6:36/mi
23M
2:32:20
Rank: #2488 (+24)
35K → 23M
8:37 | 6:53/mi
24M
2:38:59
Rank: #2484 (+4)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:44:58
Rank: #2516 (-32)
24M → 40K
5:59 | 7:00/mi
25.2M
2:47:32
Rank: #2532 (-16)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:54:21
Rank: #2549 (-17)
25.2M → Finish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:39
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0620:476:4120:47
6:41
-
10K
6.21 mi10:42:0440:456:3319:58
6:26
-0:15
15K
9.32 mi11:02:141:00:556:3220:10
6:29
+0:03
20K
12.43 mi11:22:331:21:146:3220:19
6:32
+0:03
Half
13.11 mi11:26:581:25:396:324:25
6:28
-0:04
25K
15.53 mi11:42:561:41:376:3215:58
6:35
+0:07
30K
18.64 mi12:03:432:02:246:3420:47
6:41
+0:06
20M
20.00 mi12:12:522:11:336:359:09
6:44
+0:03
21M
21.00 mi12:20:062:18:476:377:14
7:14
+0:30
35K
21.75 mi12:25:022:23:436:364:56
6:36
-0:38
23M
23.00 mi12:33:392:32:206:378:37
6:53
+0:17
24M
24.00 mi12:40:182:38:596:376:39
6:39
-0:14
40K
24.85 mi12:46:172:44:586:385:59
7:00
+0:21
25.2M
25.20 mi12:48:512:47:326:392:34
7:27
+0:27
Finish
26.22 mi12:55:402:54:216:396:49
6:41
-0:46

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

6:26 /mi

Average Pace

6:39 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:33

94% of race

Time at Steady Pace

9:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:22:0620:476:4120:47
6:41
#3564
10K
6.21 mi10:42:0440:456:3319:58
6:26
#2852
15K
9.32 mi11:02:141:00:556:3220:10
6:29
#2732
20K
12.43 mi11:22:331:21:146:3220:19
6:32
#2653
Half
13.11 mi11:26:581:25:396:324:25
6:28
#2650
25K
15.53 mi11:42:561:41:376:3215:58
6:35
#2632
30K
18.64 mi12:03:432:02:246:3420:47
6:41
#2549
20M
20.00 mi12:12:522:11:336:359:09
6:44
#2528
21M
21.00 mi12:20:062:18:476:377:14
7:14
#2533
35K
21.75 mi12:25:022:23:436:364:56
6:36
#2512
23M
23.00 mi12:33:392:32:206:378:37
6:53
#2488
24M
24.00 mi12:40:182:38:596:376:39
6:39
#2484
40K
24.85 mi12:46:172:44:586:385:59
7:00
#2516
25.2M
25.20 mi12:48:512:47:326:392:34
7:27
#2532
Finish
26.22 mi12:55:402:54:216:396:49
6:41
#2549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3564335733572584(Top 10%)2479(Top 16%)2479(Top 47%)
10K6.21 mi3.10 mi2852+7122718+6392718+6392373(Top 9%)2273(Top 15%)2273(Top 43%)
15K9.32 mi3.11 mi2732+1202608+1102608+1102584(Top 10%)2479(Top 16%)2479(Top 47%)
20K12.43 mi3.11 mi2653+792534+742534+742511(Top 9%)2404(Top 16%)2404(Top 45%)
Half13.11 mi0.68 mi2650+32532+22532+22609(Top 10%)2503(Top 16%)2503(Top 47%)
25K15.53 mi2.42 mi2632+182517+152517+152619(Top 10%)2507(Top 17%)2507(Top 47%)
30K18.64 mi3.11 mi2549+832437+802437+802347(Top 9%)2236(Top 15%)2236(Top 42%)
20M20.00 mi1.36 mi2528+212418+192418+192436(Top 9%)2311(Top 15%)2311(Top 44%)
21M21.00 mi1.00 mi2533-52424-62424-63260(Top 12%)3040(Top 20%)3040(Top 58%)
35K21.75 mi0.75 mi2512+212404+202404+202934(Top 11%)2745(Top 18%)2745(Top 52%)
23M23.00 mi1.25 mi2488+242381+232381+233102(Top 12%)2888(Top 19%)2888(Top 55%)
24M24.00 mi1.00 mi2484+42376+52376+52817(Top 11%)2618(Top 17%)2618(Top 50%)
40K24.85 mi0.85 mi2516-322402-262402-263806(Top 14%)3423(Top 23%)3423(Top 65%)
25.2M25.20 mi0.35 mi2532-162416-142416-143557(Top 13%)3185(Top 21%)3185(Top 60%)
Finish26.22 mi1.02 mi2549-172429-132429-133422(Top 13%)3064(Top 20%)3064(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2584

Males

2479

M18-39

2479

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2373

Males

2273

M18-39

2273

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2584

Males

2479

M18-39

2479

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2511

Males

2404

M18-39

2404

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2609

Males

2503

M18-39

2503

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2619

Males

2507

M18-39

2507

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2347

Males

2236

M18-39

2236

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2436

Males

2311

M18-39

2311

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3260

Males

3040

M18-39

3040

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2934

Males

2745

M18-39

2745

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3102

Males

2888

M18-39

2888

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2817

Males

2618

M18-39

2618

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3806

Males

3423

M18-39

3423

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3557

Males

3185

M18-39

3185

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3422

Males

3064

M18-39

3064

Passing Analysis

Category:
Athletes Passed
1432
Passed By
417
Net Change
+1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3564
5K → 10K7197+712#3564#2852
10K → 15K16141+120#2852#2732
15K → 20K11637+79#2732#2653
20K → Half1411+3#2653#2650
Half → 25K5234+18#2650#2632
25K → 30K11633+83#2632#2549
30K → 20M4827+21#2549#2528
20M → 21M3742-5#2528#2533
21M → 35K3110+21#2533#2512
35K → 23M4824+24#2512#2488
23M → 24M2622+4#2488#2484
24M → 40K2153-32#2484#2516
40K → 25.2M1430-16#2516#2532
25.2M → Finish2946-17#2532#2549
TOTALS1432417+1015
📊

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