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BOSTON MARATHON 2023

Alex Cowan

Bib: 3026•M

NB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
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
20:55
Rank: #3934
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
40:50
Rank: #2948 (+986)
5K → 10K
19:55 | 6:25/mi
15K· 9.32 mi
1:00:55
Rank: #2731 (+217)
10K → 15K
20:05 | 6:28/mi
20K· 12.43 mi
1:21:00
Rank: #2554 (+177)
15K → 20K
20:05 | 6:28/mi
Half· 13.11 mi
1:25:24
Rank: #2543 (+11)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:10
Rank: #2487 (+56)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
2:01:52
Rank: #2410 (+77)
25K → 30K
20:42 | 6:40/mi
20M
2:10:58
Rank: #2376 (+34)
30K → 20M
9:06 | 6:42/mi
21M
2:18:06
Rank: #2371 (+5)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:22:56
Rank: #2347 (+24)
21M → 35K
4:50 | 6:28/mi
23M
2:31:29
Rank: #2350 (-3)
35K → 23M
8:33 | 6:50/mi
24M
2:38:15
Rank: #2360 (-10)
23M → 24M
6:46 | 6:46/mi
40K· 24.85 mi
2:44:20
Rank: #2392 (-32)
24M → 40K
6:05 | 7:07/mi
25.2M
2:46:56
Rank: #2391 (+1)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:54:06
Rank: #2494 (-103)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:24
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1020:556:4420:55
6:44
-
10K
6.21 mi10:42:0540:506:3419:55
6:25
-0:19
15K
9.32 mi11:02:101:00:556:3220:05
6:28
+0:03
20K
12.43 mi11:22:151:21:006:3120:05
6:28
0:00
Half
13.11 mi11:26:391:25:246:314:24
6:27
-0:01
25K
15.53 mi11:42:251:41:106:3115:46
6:30
+0:03
30K
18.64 mi12:03:072:01:526:3220:42
6:40
+0:10
20M
20.00 mi12:12:132:10:586:339:06
6:42
+0:02
21M
21.00 mi12:19:212:18:066:357:08
7:08
+0:26
35K
21.75 mi12:24:112:22:566:344:50
6:28
-0:40
23M
23.00 mi12:32:442:31:296:358:33
6:50
+0:22
24M
24.00 mi12:39:302:38:156:366:46
6:46
-0:04
40K
24.85 mi12:45:352:44:206:376:05
7:07
+0:21
25.2M
25.20 mi12:48:112:46:566:372:36
7:32
+0:25
Finish
26.22 mi12:55:212:54:066:397:10
7:02
-0:30

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

6:25 /mi

Average Pace

6:39 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:17

91% of race

Time at Steady Pace

15:49

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:1020:556:4420:55
6:44
#3934
10K
6.21 mi10:42:0540:506:3419:55
6:25
#2948
15K
9.32 mi11:02:101:00:556:3220:05
6:28
#2731
20K
12.43 mi11:22:151:21:006:3120:05
6:28
#2554
Half
13.11 mi11:26:391:25:246:314:24
6:27
#2543
25K
15.53 mi11:42:251:41:106:3115:46
6:30
#2487
30K
18.64 mi12:03:072:01:526:3220:42
6:40
#2410
20M
20.00 mi12:12:132:10:586:339:06
6:42
#2376
21M
21.00 mi12:19:212:18:066:357:08
7:08
#2371
35K
21.75 mi12:24:112:22:566:344:50
6:28
#2347
23M
23.00 mi12:32:442:31:296:358:33
6:50
#2350
24M
24.00 mi12:39:302:38:156:366:46
6:46
#2360
40K
24.85 mi12:45:352:44:206:376:05
7:07
#2392
25.2M
25.20 mi12:48:112:46:566:372:36
7:32
#2391
Finish
26.22 mi12:55:212:54:066:397:10
7:02
#2494
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3934369136912434(Top 9%)2335(Top 15%)2335(Top 44%)
10K6.21 mi3.10 mi2948+9862812+8792812+8792299(Top 9%)2200(Top 14%)2200(Top 42%)
15K9.32 mi3.11 mi2731+2172607+2052607+2052434(Top 9%)2335(Top 15%)2335(Top 44%)
20K12.43 mi3.11 mi2554+1772443+1642443+1642101(Top 8%)2016(Top 13%)2016(Top 38%)
Half13.11 mi0.68 mi2543+112436+72436+72494(Top 9%)2393(Top 16%)2393(Top 45%)
25K15.53 mi2.42 mi2487+562381+552381+552185(Top 8%)2096(Top 14%)2096(Top 40%)
30K18.64 mi3.11 mi2410+772310+712310+712233(Top 8%)2129(Top 14%)2129(Top 40%)
20M20.00 mi1.36 mi2376+342276+342276+342262(Top 8%)2151(Top 14%)2151(Top 41%)
21M21.00 mi1.00 mi2371+52272+42272+42747(Top 10%)2581(Top 17%)2581(Top 49%)
35K21.75 mi0.75 mi2347+242248+242248+242240(Top 8%)2127(Top 14%)2127(Top 40%)
23M23.00 mi1.25 mi2350-32251-32251-32796(Top 11%)2612(Top 17%)2612(Top 49%)
24M24.00 mi1.00 mi2360-102259-82259-83444(Top 13%)3169(Top 21%)3169(Top 60%)
40K24.85 mi0.85 mi2392-322287-282287-284411(Top 17%)3912(Top 26%)3912(Top 74%)
25.2M25.20 mi0.35 mi2391+1228722873991(Top 15%)3533(Top 23%)3533(Top 67%)
Finish26.22 mi1.02 mi2494-1032381-942381-945368(Top 20%)4507(Top 30%)4507(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2434

Males

2335

M18-39

2335

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2299

Males

2200

M18-39

2200

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2434

Males

2335

M18-39

2335

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2101

Males

2016

M18-39

2016

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2494

Males

2393

M18-39

2393

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2185

Males

2096

M18-39

2096

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2233

Males

2129

M18-39

2129

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2262

Males

2151

M18-39

2151

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2747

Males

2581

M18-39

2581

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2240

Males

2127

M18-39

2127

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2796

Males

2612

M18-39

2612

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3444

Males

3169

M18-39

3169

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4411

Males

3912

M18-39

3912

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3991

Males

3533

M18-39

3533

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5368

Males

4507

M18-39

4507

Passing Analysis

Category:
Athletes Passed
1843
Passed By
403
Net Change
+1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3934
5K → 10K9937+986#3934#2948
10K → 15K23720+217#2948#2731
15K → 20K18811+177#2731#2554
20K → Half198+11#2554#2543
Half → 25K8327+56#2543#2487
25K → 30K11134+77#2487#2410
30K → 20M5117+34#2410#2376
20M → 21M3328+5#2376#2371
21M → 35K3410+24#2371#2347
35K → 23M3437-3#2347#2350
23M → 24M2030-10#2350#2360
24M → 40K1648-32#2360#2392
40K → 25.2M1514+1#2392#2391
25.2M → Finish9112-103#2391#2494
TOTALS1843403+1440
📊

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