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BOSTON MARATHON 2023

Nicolas Cofiño

Bib: 4832•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Male)
#0 / 15176
Top 46%
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
21:26
Rank: #5558
Start → 5K
21:26 | 6:54/mi
10K· 6.21 mi
42:43
Rank: #5622 (-64)
5K → 10K
21:17 | 6:51/mi
15K· 9.32 mi
1:03:59
Rank: #5588 (+34)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:25:28
Rank: #5546 (+42)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:30:08
Rank: #5552 (-6)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:47:10
Rank: #5580 (-28)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:10:36
Rank: #5849 (-269)
25K → 30K
23:26 | 7:33/mi
20M
2:21:23
Rank: #6059 (-210)
30K → 20M
10:47 | 7:56/mi
21M
2:30:06
Rank: #6272 (-213)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:36:46
Rank: #6606 (-334)
21M → 35K
6:40 | 8:55/mi
23M
2:47:53
Rank: #6992 (-386)
35K → 23M
11:07 | 8:53/mi
24M
2:56:23
Rank: #7278 (-286)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:04:02
Rank: #7569 (-291)
24M → 40K
7:39 | 8:57/mi
25.2M
3:07:33
Rank: #7784 (-215)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:17:12
Rank: #8361 (-577)
25.2M → Finish
9:39 | 9:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:08
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:47:04
Pace8:10 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1121:266:5421:26
6:54
-
10K
6.21 mi10:46:2842:436:5221:17
6:51
-0:03
15K
9.32 mi11:07:441:03:596:5221:16
6:51
0:00
20K
12.43 mi11:29:131:25:286:5321:29
6:55
+0:04
Half
13.11 mi11:33:531:30:086:534:40
6:50
-0:05
25K
15.53 mi11:50:551:47:106:5417:02
7:02
+0:12
30K
18.64 mi12:14:212:10:367:0023:26
7:33
+0:31
20M
20.00 mi12:25:082:21:237:0410:47
7:56
+0:23
21M
21.00 mi12:33:512:30:067:098:43
8:43
+0:47
35K
21.75 mi12:40:312:36:467:126:40
8:55
+0:12
23M
23.00 mi12:51:382:47:537:1811:07
8:53
-0:02
24M
24.00 mi13:00:082:56:237:218:30
8:30
-0:23
40K
24.85 mi13:07:473:04:027:247:39
8:57
+0:27
25.2M
25.20 mi13:11:183:07:337:273:31
10:12
+1:15
Finish
26.22 mi13:20:573:17:127:329:39
9:28
-0:44

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

6:50 /mi

Average Pace

7:32 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:10

54% of race

Time at Steady Pace

34:13

17% of race

Time at Slower Pace

55:49

28% of race

Average Pace: 7:31 /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 mi10:25:1121:266:5421:26
6:54
#5558
10K
6.21 mi10:46:2842:436:5221:17
6:51
#5622
15K
9.32 mi11:07:441:03:596:5221:16
6:51
#5588
20K
12.43 mi11:29:131:25:286:5321:29
6:55
#5546
Half
13.11 mi11:33:531:30:086:534:40
6:50
#5552
25K
15.53 mi11:50:551:47:106:5417:02
7:02
#5580
30K
18.64 mi12:14:212:10:367:0023:26
7:33
#5849
20M
20.00 mi12:25:082:21:237:0410:47
7:56
#6059
21M
21.00 mi12:33:512:30:067:098:43
8:43
#6272
35K
21.75 mi12:40:312:36:467:126:40
8:55
#6606
23M
23.00 mi12:51:382:47:537:1811:07
8:53
#6992
24M
24.00 mi13:00:082:56:237:218:30
8:30
#7278
40K
24.85 mi13:07:473:04:027:247:39
8:57
#7569
25.2M
25.20 mi13:11:183:07:337:273:31
10:12
#7784
Finish
26.22 mi13:20:573:17:127:329:39
9:28
#8361
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5558512251225534(Top 21%)5097(Top 34%)5097(Top 96%)
10K6.21 mi3.10 mi5622-645178-565178-565767(Top 22%)5279(Top 35%)5279(Top 100%)
15K9.32 mi3.11 mi5588+345147+315147+315534(Top 21%)5097(Top 34%)5097(Top 96%)
20K12.43 mi3.11 mi5546+425115+325115+325449(Top 20%)5030(Top 33%)5030(Top 95%)
Half13.11 mi0.68 mi5552-65125-105125-105651(Top 21%)5211(Top 34%)5211(Top 99%)
25K15.53 mi2.42 mi5580-285142-175142-175733(Top 22%)5251(Top 35%)5251(Top 99%)
30K18.64 mi3.11 mi5849-2695349-2075349-2077521(Top 28%)6402(Top 42%)6402(Top 121%)
20M20.00 mi1.36 mi6059-2105497-1485497-1489762(Top 37%)7611(Top 50%)7611(Top 144%)
21M21.00 mi1.00 mi6272-2135647-1505647-15011725(Top 44%)8441(Top 56%)8441(Top 160%)
35K21.75 mi0.75 mi6606-3345882-2355882-23517452(Top 66%)10890(Top 72%)10890(Top 206%)
23M23.00 mi1.25 mi6992-3866142-2606142-26015396(Top 58%)9975(Top 66%)9975(Top 189%)
24M24.00 mi1.00 mi7278-2866322-1806322-18014442(Top 54%)9495(Top 63%)9495(Top 180%)
40K24.85 mi0.85 mi7569-2916493-1716493-17115821(Top 59%)10042(Top 66%)10042(Top 190%)
25.2M25.20 mi0.35 mi7784-2156623-1306623-13018033(Top 68%)11016(Top 73%)11016(Top 208%)
Finish26.22 mi1.02 mi8361-5776959-3366959-33619992(Top 75%)11970(Top 79%)11970(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5534

Males

5097

M18-39

5097

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5767

Males

5279

M18-39

5279

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5534

Males

5097

M18-39

5097

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5449

Males

5030

M18-39

5030

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5651

Males

5211

M18-39

5211

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5733

Males

5251

M18-39

5251

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7521

Males

6402

M18-39

6402

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9762

Males

7611

M18-39

7611

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11725

Males

8441

M18-39

8441

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17452

Males

10890

M18-39

10890

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15396

Males

9975

M18-39

9975

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14442

Males

9495

M18-39

9495

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15821

Males

10042

M18-39

10042

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18033

Males

11016

M18-39

11016

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19992

Males

11970

M18-39

11970

Passing Analysis

Category:
Athletes Passed
675
Passed By
3478
Net Change
-2803
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5558
5K → 10K174238-64#5558#5622
10K → 15K138104+34#5622#5588
15K → 20K12785+42#5588#5546
20K → Half1824-6#5546#5552
Half → 25K7199-28#5552#5580
25K → 30K55324-269#5580#5849
30K → 20M25235-210#5849#6059
20M → 21M13226-213#6059#6272
21M → 35K5339-334#6272#6606
35K → 23M19405-386#6606#6992
23M → 24M9295-286#6992#7278
24M → 40K13304-291#7278#7569
40K → 25.2M3218-215#7569#7784
25.2M → Finish5582-577#7784#8361
TOTALS6753478-2803
📊

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