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BOSTON MARATHON 2025

Molly Kash

Bib: 11404•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Masters (Masters Women)
#0 / 6759
Top 2%
Division (F50-54)
#0 / 1303
Top 0.6%
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
7:06/mi
22:04
↑ 97↓ 3451.5%
10K· 6.21 mi
6:56/mi
43:38
↑ 79↓ 1380.4%
15K· 9.32 mi
6:52/mi
1:04:57
↑ 67↓ 78
20K· 12.43 mi
6:54/mi
1:26:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:31:06
↑ 19↓ 370.5%
25K· 15.53 mi
6:58/mi
1:48:00
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:10:28
↑ 181↓ 1480.2%
20M
7:19/mi
2:20:25
↑ 64↓ 500.2%
21M
7:49/mi
2:28:14
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:33:25
↑ 17↓ 861.7%
23M
7:23/mi
2:42:40
↑ 23↓ 630.6%
24M
7:19/mi
2:49:59
↓ 821.3%
40K· 24.85 mi
7:30/mi
2:56:24
↓ 200.3%
25.2M
9:28/mi
2:59:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:07:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:06
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1522:047:0622:04
7:06
-
10K
6.21 mi11:10:4943:387:0121:34
6:56
-0:10
15K
9.32 mi11:32:081:04:576:5821:19
6:52
-0:04
20K
12.43 mi11:53:341:26:236:5721:26
6:54
+0:02
Half
13.11 mi11:58:171:31:066:574:43
6:55
+0:01
25K
15.53 mi12:15:111:48:006:5716:54
6:58
+0:03
30K
18.64 mi12:37:392:10:287:0022:28
7:14
+0:16
20M
20.00 mi12:47:362:20:257:019:57
7:19
+0:05
21M
21.00 mi12:55:252:28:147:047:49
7:49
+0:30
35K
21.75 mi13:00:362:33:257:035:11
6:56
-0:53
23M
23.00 mi13:09:512:42:407:049:15
7:23
+0:27
24M
24.00 mi13:17:102:49:597:057:19
7:19
-0:04
40K
24.85 mi13:23:352:56:247:066:25
7:30
+0:11
25.2M
25.20 mi13:26:512:59:407:083:16
9:28
+1:58
Finish
26.22 mi13:34:443:07:337:107:53
7:44
-1:44

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

6:52 /mi

Average Pace

7:10 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:45

23% of race

Time at Steady Pace

2:05:50

67% of race

Time at Slower Pace

18:58

10% of race

Average Pace: 7:09 /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 mi10:49:1522:047:0622:04
7:06
#8672
10K
6.21 mi11:10:4943:387:0121:34
6:56
#8042
15K
9.32 mi11:32:081:04:576:5821:19
6:52
#7561
20K
12.43 mi11:53:341:26:236:5721:26
6:54
#7181
Half
13.11 mi11:58:171:31:066:574:43
6:55
#7184
25K
15.53 mi12:15:111:48:006:5716:54
6:58
#6952
30K
18.64 mi12:37:392:10:287:0022:28
7:14
#6658
20M
20.00 mi12:47:362:20:257:019:57
7:19
#6516
21M
21.00 mi12:55:252:28:147:047:49
7:49
#6431
35K
21.75 mi13:00:362:33:257:035:11
6:56
#6343
23M
23.00 mi13:09:512:42:407:049:15
7:23
#6260
24M
24.00 mi13:17:102:49:597:057:19
7:19
#6209
40K
24.85 mi13:23:352:56:247:066:25
7:30
#6179
25.2M
25.20 mi13:26:512:59:407:083:16
9:28
#6280
Finish
26.22 mi13:34:443:07:337:107:53
7:44
#6370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi8672122712276694(Top 24%)659(Top 5%)659(Top 51%)
10K6.21 mi3.10 mi8042+6301007+2201007+2207568(Top 27%)858(Top 7%)858(Top 66%)
15K9.32 mi3.11 mi7561+481860+147860+1476694(Top 24%)659(Top 5%)659(Top 51%)
20K12.43 mi3.11 mi7181+380759+101759+1016203(Top 22%)600(Top 5%)600(Top 46%)
Half13.11 mi0.68 mi7184-3761-2761-27061(Top 25%)786(Top 6%)786(Top 60%)
25K15.53 mi2.42 mi6952+232718+43718+436149(Top 22%)632(Top 5%)632(Top 49%)
30K18.64 mi3.11 mi6658+294692+26692+266086(Top 21%)700(Top 6%)700(Top 54%)
20M20.00 mi1.36 mi6516+142683+9683+95953(Top 21%)773(Top 6%)773(Top 59%)
21M21.00 mi1.00 mi6431+85677+6677+66311(Top 22%)1028(Top 8%)1028(Top 79%)
35K21.75 mi0.75 mi6343+88669+8669+84977(Top 18%)608(Top 5%)608(Top 47%)
23M23.00 mi1.25 mi6260+83672-3672-36006(Top 21%)1016(Top 8%)1016(Top 78%)
24M24.00 mi1.00 mi6209+51675-3675-36532(Top 23%)1266(Top 10%)1266(Top 97%)
40K24.85 mi0.85 mi6179+30687-12687-126839(Top 24%)1479(Top 12%)1479(Top 114%)
25.2M25.20 mi0.35 mi6280-101730-43730-4314441(Top 51%)5230(Top 43%)5230(Top 401%)
Finish26.22 mi1.02 mi6370-90779-49779-4910963(Top 39%)3431(Top 28%)3431(Top 263%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6694

Females

659

F50-54

659

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7568

Females

858

F50-54

858

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6694

Females

659

F50-54

659

15K→20K

9.3 - 12.4 mi

Top 22%
×5story building
+106ft-86ft

Overall

6203

Females

600

F50-54

600

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7061

Females

786

F50-54

786

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6149

Females

632

F50-54

632

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

6086

Females

700

F50-54

700

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5953

Females

773

F50-54

773

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6311

Females

1028

F50-54

1028

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4977

Females

608

F50-54

608

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6006

Females

1016

F50-54

1016

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6532

Females

1266

F50-54

1266

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6839

Females

1479

F50-54

1479

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14441

Females

5230

F50-54

5230

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10963

Females

3431

F50-54

3431

Passing Analysis

Category:
Athletes Passed
2819
Passed By
517
Net Change
+2302
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8672
5K → 10K66838+630#8672#8042
10K → 15K4898+481#8042#7561
15K → 20K3877+380#7561#7181
20K → Half1619-3#7181#7184
Half → 25K24614+232#7184#6952
25K → 30K34349+294#6952#6658
30K → 20M16422+142#6658#6516
20M → 21M10823+85#6516#6431
21M → 35K935+88#6431#6343
35K → 23M11532+83#6343#6260
23M → 24M8332+51#6260#6209
24M → 40K7040+30#6209#6179
40K → 25.2M9110-101#6179#6280
25.2M → Finish28118-90#6280#6370
TOTALS2819517+2302
📊

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