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BOSTON MARATHON 2025

Amanda Daws Cohen

Bib: 12921•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 33%
Division (F18-39)
#0 / 5469
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
7:08/mi
22:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:03/mi
44:03
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:06:56
↑ 67↓ 78
20K· 12.43 mi
8:01/mi
1:31:51
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:37:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:20/mi
1:57:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:57/mi
2:25:17
↑ 181↓ 1480.2%
20M
9:04/mi
2:37:36
↑ 64↓ 500.2%
21M
9:35/mi
2:47:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:53:16
↑ 17↓ 861.7%
23M
8:51/mi
3:04:21
↑ 23↓ 630.6%
24M
8:14/mi
3:12:35
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:20:12
↓ 200.3%
25.2M
8:42/mi
3:23:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:26/mi
3:30:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:53:29
Pace8:39 /mi
📊Positive Split: 16.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4622:097:0822:09
7:08
-
10K
6.21 mi11:12:4044:037:0521:54
7:03
-0:05
15K
9.32 mi11:35:331:06:567:1122:53
7:22
+0:19
20K
12.43 mi12:00:281:31:517:2324:55
8:01
+0:39
Half
13.11 mi12:05:541:37:177:255:26
7:58
-0:03
25K
15.53 mi12:26:071:57:307:3420:13
8:20
+0:22
30K
18.64 mi12:53:542:25:177:4827:47
8:57
+0:37
20M
20.00 mi13:06:132:37:367:5312:19
9:04
+0:07
21M
21.00 mi13:15:482:47:117:589:35
9:35
+0:31
35K
21.75 mi13:21:532:53:167:586:05
8:08
-1:27
23M
23.00 mi13:32:583:04:218:0111:05
8:51
+0:43
24M
24.00 mi13:41:123:12:358:018:14
8:14
-0:37
40K
24.85 mi13:48:493:20:128:037:37
8:54
+0:40
25.2M
25.20 mi13:51:493:23:128:043:00
8:42
-0:12
Finish
26.22 mi13:59:233:30:468:037:34
7:26
-1:16

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

7:03 /mi

Average Pace

8:03 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:30

35% of race

Time at Steady Pace

1:04:53

31% of race

Time at Slower Pace

1:11:23

34% of race

Average Pace: 8:02 /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 mi10:50:4622:097:0822:09
7:08
#8900
10K
6.21 mi11:12:4044:037:0521:54
7:03
#8573
15K
9.32 mi11:35:331:06:567:1122:53
7:22
#9178
20K
12.43 mi12:00:281:31:517:2324:55
8:01
#10682
Half
13.11 mi12:05:541:37:177:255:26
7:58
#10941
25K
15.53 mi12:26:071:57:307:3420:13
8:20
#11879
30K
18.64 mi12:53:542:25:177:4827:47
8:57
#13030
20M
20.00 mi13:06:132:37:367:5312:19
9:04
#13376
21M
21.00 mi13:15:482:47:117:589:35
9:35
#13566
35K
21.75 mi13:21:532:53:167:586:05
8:08
#13531
23M
23.00 mi13:32:583:04:218:0111:05
8:51
#13629
24M
24.00 mi13:41:123:12:358:018:14
8:14
#13588
40K
24.85 mi13:48:493:20:128:037:37
8:54
#13672
25.2M
25.20 mi13:51:493:23:128:043:00
8:42
#13613
Finish
26.22 mi13:59:233:30:468:037:34
7:26
#13411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi89001332133210570(Top 37%)2160(Top 18%)2160(Top 39%)
10K6.21 mi3.10 mi8573+3271219+1131219+1138307(Top 29%)1115(Top 9%)1115(Top 20%)
15K9.32 mi3.11 mi9178-6051468-2491468-24910570(Top 37%)2160(Top 18%)2160(Top 39%)
20K12.43 mi3.11 mi10682-15042188-7202188-72015085(Top 53%)4683(Top 38%)4683(Top 86%)
Half13.11 mi0.68 mi10941-2592314-1262314-12615623(Top 55%)4943(Top 40%)4943(Top 90%)
25K15.53 mi2.42 mi11879-9382861-5472861-54716166(Top 57%)5403(Top 44%)5403(Top 99%)
30K18.64 mi3.11 mi13030-11513572-7113572-71117378(Top 61%)6231(Top 51%)6231(Top 114%)
20M20.00 mi1.36 mi13376-3463792-2203792-22017137(Top 60%)6208(Top 51%)6208(Top 114%)
21M21.00 mi1.00 mi13566-1903929-1373929-13716459(Top 58%)5947(Top 49%)5947(Top 109%)
35K21.75 mi0.75 mi13531+353930-13930-113171(Top 46%)4255(Top 35%)4255(Top 78%)
23M23.00 mi1.25 mi13629-984026-964026-9615409(Top 54%)5543(Top 45%)5543(Top 101%)
24M24.00 mi1.00 mi13588+414028-24028-212829(Top 45%)4229(Top 35%)4229(Top 77%)
40K24.85 mi0.85 mi13672-844101-734101-7315806(Top 56%)5935(Top 49%)5935(Top 109%)
25.2M25.20 mi0.35 mi13613+594078+234078+2310116(Top 36%)3103(Top 25%)3103(Top 57%)
Finish26.22 mi1.02 mi13411+2023991+873991+878716(Top 31%)2407(Top 20%)2407(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10570

Females

2160

F18-39

2160

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8307

Females

1115

F18-39

1115

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10570

Females

2160

F18-39

2160

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15085

Females

4683

F18-39

4683

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15623

Females

4943

F18-39

4943

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

16166

Females

5403

F18-39

5403

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17378

Females

6231

F18-39

6231

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17137

Females

6208

F18-39

6208

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16459

Females

5947

F18-39

5947

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13171

Females

4255

F18-39

4255

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15409

Females

5543

F18-39

5543

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12829

Females

4229

F18-39

4229

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15806

Females

5935

F18-39

5935

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10116

Females

3103

F18-39

3103

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

8716

Females

2407

F18-39

2407

Passing Analysis

Category:
Athletes Passed
1268
Passed By
5777
Net Change
-4511
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8900
5K → 10K41790+327#8900#8573
10K → 15K39644-605#8573#9178
15K → 20K151517-1504#9178#10682
20K → Half6265-259#10682#10941
Half → 25K34972-938#10941#11879
25K → 30K561207-1151#11879#13030
30K → 20M47393-346#13030#13376
20M → 21M61251-190#13376#13566
21M → 35K6833+35#13566#13531
35K → 23M88186-98#13531#13629
23M → 24M10059+41#13629#13588
24M → 40K57141-84#13588#13672
40K → 25.2M7011+59#13672#13613
25.2M → Finish2108+202#13613#13411
TOTALS12685777-4511
📊

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