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BOSTON MARATHON 2025

Devon Cohen

Bib: 15166•F

OH

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0:00
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Division (F18-39)
#0 / 5469
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #13874
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
47:55
Rank: #14002 (-128)
5K → 10K
24:02 | 7:44/mi
15K· 9.32 mi
1:11:59
Rank: #13957 (+45)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:12
Rank: #13728 (+229)
15K → 20K
24:13 | 7:48/mi
Half· 13.11 mi
1:41:21
Rank: #13633 (+95)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
2:00:13
Rank: #13344 (+289)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:24:47
Rank: #12796 (+548)
25K → 30K
24:34 | 7:54/mi
20M
2:35:40
Rank: #12592 (+204)
30K → 20M
10:53 | 8:01/mi
21M
2:43:58
Rank: #12364 (+228)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:49:36
Rank: #12212 (+152)
21M → 35K
5:38 | 7:32/mi
23M
2:59:29
Rank: #11993 (+219)
35K → 23M
9:53 | 7:54/mi
24M
3:07:03
Rank: #11802 (+191)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:13:52
Rank: #11683 (+119)
24M → 40K
6:49 | 7:58/mi
25.2M
3:16:49
Rank: #11630 (+53)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:24:19
Rank: #11450 (+180)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:21
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:42:58
Pace7:51 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3023:537:4123:53
7:41
-
10K
6.21 mi11:19:3247:557:4324:02
7:44
+0:03
15K
9.32 mi11:43:361:11:597:4324:04
7:45
+0:01
20K
12.43 mi12:07:491:36:127:4424:13
7:48
+0:03
Half
13.11 mi12:12:581:41:217:445:09
7:33
-0:15
25K
15.53 mi12:31:502:00:137:4418:52
7:47
+0:14
30K
18.64 mi12:56:242:24:477:4624:34
7:54
+0:07
20M
20.00 mi13:07:172:35:407:4710:53
8:01
+0:07
21M
21.00 mi13:15:352:43:587:488:18
8:18
+0:17
35K
21.75 mi13:21:132:49:367:485:38
7:32
-0:46
23M
23.00 mi13:31:062:59:297:489:53
7:54
+0:22
24M
24.00 mi13:38:403:07:037:487:34
7:34
-0:20
40K
24.85 mi13:45:293:13:527:486:49
7:58
+0:24
25.2M
25.20 mi13:48:263:16:497:492:57
8:33
+0:35
Finish
26.22 mi13:55:563:24:197:487:30
7:22
-1:11

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

7:22 /mi

Average Pace

7:48 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:04

94% of race

Time at Steady Pace

11:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:55:3023:537:4123:53
7:41
#13874
10K
6.21 mi11:19:3247:557:4324:02
7:44
#14002
15K
9.32 mi11:43:361:11:597:4324:04
7:45
#13957
20K
12.43 mi12:07:491:36:127:4424:13
7:48
#13728
Half
13.11 mi12:12:581:41:217:445:09
7:33
#13633
25K
15.53 mi12:31:502:00:137:4418:52
7:47
#13344
30K
18.64 mi12:56:242:24:477:4624:34
7:54
#12796
20M
20.00 mi13:07:172:35:407:4710:53
8:01
#12592
21M
21.00 mi13:15:352:43:587:488:18
8:18
#12364
35K
21.75 mi13:21:132:49:367:485:38
7:32
#12212
23M
23.00 mi13:31:062:59:297:489:53
7:54
#11993
24M
24.00 mi13:38:403:07:037:487:34
7:34
#11802
40K
24.85 mi13:45:293:13:527:486:49
7:58
#11683
25.2M
25.20 mi13:48:263:16:497:492:57
8:33
#11630
Finish
26.22 mi13:55:563:24:197:487:30
7:22
#11450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi138743820382013907(Top 49%)3953(Top 32%)3953(Top 72%)
10K6.21 mi3.10 mi14002-1283941-1213941-12114209(Top 50%)4080(Top 33%)4080(Top 75%)
15K9.32 mi3.11 mi13957+453940+13940+113907(Top 49%)3953(Top 32%)3953(Top 72%)
20K12.43 mi3.11 mi13728+2293858+823858+8213228(Top 47%)3667(Top 30%)3667(Top 67%)
Half13.11 mi0.68 mi13633+953804+543804+5412190(Top 43%)3051(Top 25%)3051(Top 56%)
25K15.53 mi2.42 mi13344+2893678+1263678+12612195(Top 43%)3216(Top 26%)3216(Top 59%)
30K18.64 mi3.11 mi12796+5483417+2613417+26110711(Top 38%)2653(Top 22%)2653(Top 49%)
20M20.00 mi1.36 mi12592+2043358+593358+5910533(Top 37%)2707(Top 22%)2707(Top 49%)
21M21.00 mi1.00 mi12364+2283268+903268+909257(Top 33%)2281(Top 19%)2281(Top 42%)
35K21.75 mi0.75 mi12212+1523212+563212+568904(Top 31%)2098(Top 17%)2098(Top 38%)
23M23.00 mi1.25 mi11993+2193128+843128+849279(Top 33%)2395(Top 20%)2395(Top 44%)
24M24.00 mi1.00 mi11802+1913073+553073+558221(Top 29%)1975(Top 16%)1975(Top 36%)
40K24.85 mi0.85 mi11683+1193040+333040+3310026(Top 35%)2938(Top 24%)2938(Top 54%)
25.2M25.20 mi0.35 mi11630+533025+153025+159202(Top 32%)2639(Top 22%)2639(Top 48%)
Finish26.22 mi1.02 mi11450+1802980+452980+458240(Top 29%)2176(Top 18%)2176(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13907

Females

3953

F18-39

3953

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14209

Females

4080

F18-39

4080

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13907

Females

3953

F18-39

3953

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13228

Females

3667

F18-39

3667

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12190

Females

3051

F18-39

3051

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12195

Females

3216

F18-39

3216

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10711

Females

2653

F18-39

2653

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10533

Females

2707

F18-39

2707

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9257

Females

2281

F18-39

2281

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8904

Females

2098

F18-39

2098

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9279

Females

2395

F18-39

2395

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8221

Females

1975

F18-39

1975

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

10026

Females

2938

F18-39

2938

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9202

Females

2639

F18-39

2639

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

8240

Females

2176

F18-39

2176

Passing Analysis

Category:
Athletes Passed
3199
Passed By
775
Net Change
+2424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13874
5K → 10K211339-128#13874#14002
10K → 15K212167+45#14002#13957
15K → 20K329100+229#13957#13728
20K → Half972+95#13728#13633
Half → 25K32031+289#13633#13344
25K → 30K56719+548#13344#12796
30K → 20M23430+204#12796#12592
20M → 21M24315+228#12592#12364
21M → 35K1553+152#12364#12212
35K → 23M23314+219#12212#11993
23M → 24M1987+191#11993#11802
24M → 40K14425+119#11802#11683
40K → 25.2M585+53#11683#11630
25.2M → Finish19818+180#11630#11450
TOTALS3199775+2424
📊

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