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BOSTON MARATHON 2025

Cody Cotner

Bib: 27859•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:39/mi
23:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:47
↑ 79↓ 1380.4%
15K· 9.32 mi
7:56/mi
1:12:27
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:37:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:42:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:01:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:27:18
↑ 181↓ 1480.2%
20M
8:17/mi
2:38:34
↑ 64↓ 500.2%
21M
8:58/mi
2:47:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:53:35
↑ 17↓ 861.7%
23M
8:09/mi
3:03:47
↑ 23↓ 630.6%
24M
8:20/mi
3:12:07
↓ 821.3%
40K· 24.85 mi
8:14/mi
3:19:09
↓ 200.3%
25.2M
9:05/mi
3:22:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:30:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:47:21
Pace8:11 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1323:477:3923:47
7:39
-
10K
6.21 mi12:06:1347:477:4124:00
7:43
+0:04
15K
9.32 mi12:30:531:12:277:4624:40
7:56
+0:13
20K
12.43 mi12:55:451:37:197:5024:52
8:00
+0:04
Half
13.11 mi13:01:101:42:447:505:25
7:56
-0:04
25K
15.53 mi13:20:252:01:597:5119:15
7:56
0:00
30K
18.64 mi13:45:442:27:187:5425:19
8:09
+0:13
20M
20.00 mi13:57:002:38:347:5611:16
8:17
+0:08
21M
21.00 mi14:05:582:47:327:598:58
8:58
+0:41
35K
21.75 mi14:12:012:53:357:596:03
8:05
-0:53
23M
23.00 mi14:22:133:03:477:5910:12
8:09
+0:04
24M
24.00 mi14:30:333:12:078:008:20
8:20
+0:11
40K
24.85 mi14:37:353:19:098:017:02
8:14
-0:06
25.2M
25.20 mi14:40:433:22:178:023:08
9:05
+0:51
Finish
26.22 mi14:48:313:30:058:017:48
7:39
-1:26

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

7:39 /mi

Average Pace

8:01 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:59

94% of race

Time at Steady Pace

8:58

4% of race

Time at Slower Pace

3:08

1% of race

Average Pace: 8:01 /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 mi11:42:1323:477:3923:47
7:39
#13555
10K
6.21 mi12:06:1347:477:4124:00
7:43
#13828
15K
9.32 mi12:30:531:12:277:4624:40
7:56
#14397
20K
12.43 mi12:55:451:37:197:5024:52
8:00
#14493
Half
13.11 mi13:01:101:42:447:505:25
7:56
#14544
25K
15.53 mi13:20:252:01:597:5119:15
7:56
#14323
30K
18.64 mi13:45:442:27:187:5425:19
8:09
#13893
20M
20.00 mi13:57:002:38:347:5611:16
8:17
#13741
21M
21.00 mi14:05:582:47:327:598:58
8:58
#13677
35K
21.75 mi14:12:012:53:357:596:03
8:05
#13637
23M
23.00 mi14:22:133:03:477:5910:12
8:09
#13435
24M
24.00 mi14:30:333:12:078:008:20
8:20
#13426
40K
24.85 mi14:37:353:19:098:017:02
8:14
#13344
25.2M
25.20 mi14:40:433:22:178:023:08
9:05
#13315
Finish
26.22 mi14:48:313:30:058:017:48
7:39
#13240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi135559886988615541(Top 55%)10609(Top 66%)10609(Top 188%)
10K6.21 mi3.10 mi13828-2739948-629948-6214100(Top 50%)10043(Top 62%)10043(Top 178%)
15K9.32 mi3.11 mi14397-56910155-20710155-20715541(Top 55%)10609(Top 66%)10609(Top 188%)
20K12.43 mi3.11 mi14493-9610166-1110166-1114943(Top 53%)10280(Top 64%)10280(Top 182%)
Half13.11 mi0.68 mi14544-5110186-2010186-2015329(Top 54%)10466(Top 65%)10466(Top 186%)
25K15.53 mi2.42 mi14323+22110051+13510051+13513408(Top 47%)9482(Top 59%)9482(Top 168%)
30K18.64 mi3.11 mi13893+4309809+2429809+24212425(Top 44%)8880(Top 55%)8880(Top 157%)
20M20.00 mi1.36 mi13741+1529716+939716+9312420(Top 44%)8739(Top 54%)8739(Top 155%)
21M21.00 mi1.00 mi13677+649647+699647+6913288(Top 47%)8995(Top 56%)8995(Top 159%)
35K21.75 mi0.75 mi13637+409611+369611+3612801(Top 45%)8714(Top 54%)8714(Top 154%)
23M23.00 mi1.25 mi13435+2029478+1339478+13311025(Top 39%)7770(Top 48%)7770(Top 138%)
24M24.00 mi1.00 mi13426+99452+269452+2613460(Top 47%)8879(Top 55%)8879(Top 157%)
40K24.85 mi0.85 mi13344+829389+639389+6311710(Top 41%)7926(Top 49%)7926(Top 140%)
25.2M25.20 mi0.35 mi13315+299363+269363+2612236(Top 43%)8120(Top 50%)8120(Top 144%)
Finish26.22 mi1.02 mi13240+759313+509313+5010345(Top 36%)7175(Top 45%)7175(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

15541

Males

10609

M18-39

10609

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

14100

Males

10043

M18-39

10043

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

15541

Males

10609

M18-39

10609

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14943

Males

10280

M18-39

10280

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15329

Males

10466

M18-39

10466

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13408

Males

9482

M18-39

9482

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12425

Males

8880

M18-39

8880

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12420

Males

8739

M18-39

8739

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13288

Males

8995

M18-39

8995

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12801

Males

8714

M18-39

8714

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11025

Males

7770

M18-39

7770

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13460

Males

8879

M18-39

8879

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11710

Males

7926

M18-39

7926

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12236

Males

8120

M18-39

8120

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10345

Males

7175

M18-39

7175

Passing Analysis

Category:
Athletes Passed
2173
Passed By
1858
Net Change
+315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13555
5K → 10K177450-273#13555#13828
10K → 15K68637-569#13828#14397
15K → 20K170266-96#14397#14493
20K → Half2576-51#14493#14544
Half → 25K27756+221#14544#14323
25K → 30K48757+430#14323#13893
30K → 20M19341+152#13893#13741
20M → 21M12965+64#13741#13677
21M → 35K7535+40#13677#13637
35K → 23M21715+202#13637#13435
23M → 24M8879+9#13435#13426
24M → 40K11129+82#13426#13344
40K → 25.2M5122+29#13344#13315
25.2M → Finish10530+75#13315#13240
TOTALS21731858+315
📊

Passing Visuals

Category:
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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