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BOSTON MARATHON 2025

Molly Andrews

Bib: 25731•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
8:57/mi
27:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
55:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:22:11
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:49:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:55:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:17:44
↑ 66↓ 880.2%
30K· 18.64 mi
9:45/mi
2:48:02
↑ 181↓ 1480.2%
20M
10:17/mi
3:02:01
↑ 64↓ 500.2%
21M
10:23/mi
3:12:24
↑ 106↓ 241.6%
35K· 21.75 mi
13:31/mi
3:22:31
↑ 17↓ 861.7%
23M
10:39/mi
3:35:51
↑ 23↓ 630.6%
24M
13:24/mi
3:49:15
↓ 821.3%
40K· 24.85 mi
8:54/mi
3:56:52
↓ 200.3%
25.2M
10:35/mi
4:00:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:59/mi
4:09:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:37
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:14:03
Pace10:14 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5427:478:5727:47
8:57
-
10K
6.21 mi12:10:1655:098:5327:22
8:49
-0:08
15K
9.32 mi12:37:181:22:118:4927:02
8:42
-0:07
20K
12.43 mi13:04:511:49:448:5027:33
8:52
+0:10
Half
13.11 mi13:10:441:55:378:495:53
8:37
-0:15
25K
15.53 mi13:32:512:17:448:5222:07
9:07
+0:30
30K
18.64 mi14:03:092:48:029:0130:18
9:45
+0:38
20M
20.00 mi14:17:083:02:019:0613:59
10:17
+0:32
21M
21.00 mi14:27:313:12:249:1010:23
10:23
+0:06
35K
21.75 mi14:37:383:22:319:1910:07
13:31
+3:08
23M
23.00 mi14:50:583:35:519:2313:20
10:39
-2:52
24M
24.00 mi15:04:223:49:159:3313:24
13:24
+2:45
40K
24.85 mi15:11:593:56:529:327:37
8:54
-4:30
25.2M
25.20 mi15:15:384:00:319:333:39
10:35
+1:41
Finish
26.22 mi15:24:474:09:409:329:09
8:59
-1:36

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

8:37 /mi

Average Pace

9:32 /mi

Slowest Pace

13:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:04:48

74% of race

Time at Slower Pace

1:04:52

26% of race

Average Pace: 9:31 /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 mi11:42:5427:478:5727:47
8:57
#22188
10K
6.21 mi12:10:1655:098:5327:22
8:49
#21850
15K
9.32 mi12:37:181:22:118:4927:02
8:42
#21357
20K
12.43 mi13:04:511:49:448:5027:33
8:52
#21067
Half
13.11 mi13:10:441:55:378:495:53
8:37
#21025
25K
15.53 mi13:32:512:17:448:5222:07
9:07
#20938
30K
18.64 mi14:03:092:48:029:0130:18
9:45
#20940
20M
20.00 mi14:17:083:02:019:0613:59
10:17
#21029
21M
21.00 mi14:27:313:12:249:1010:23
10:23
#20945
35K
21.75 mi14:37:383:22:319:1910:07
13:31
#21512
23M
23.00 mi14:50:583:35:519:2313:20
10:39
#21565
24M
24.00 mi15:04:223:49:159:3313:24
13:24
#22025
40K
24.85 mi15:11:593:56:529:327:37
8:54
#21837
25.2M
25.20 mi15:15:384:00:319:333:39
10:35
#21797
Finish
26.22 mi15:24:474:09:409:329:09
8:59
#21695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221888732873220515(Top 72%)7725(Top 63%)7725(Top 141%)
10K6.21 mi3.10 mi21850+3388522+2108522+21021452(Top 76%)8282(Top 68%)8282(Top 151%)
15K9.32 mi3.11 mi21357+4938222+3008222+30020515(Top 72%)7725(Top 63%)7725(Top 141%)
20K12.43 mi3.11 mi21067+2908068+1548068+15420329(Top 72%)7672(Top 63%)7672(Top 140%)
Half13.11 mi0.68 mi21025+428043+258043+2520007(Top 70%)7495(Top 61%)7495(Top 137%)
25K15.53 mi2.42 mi20938+878006+378006+3720467(Top 72%)7794(Top 64%)7794(Top 143%)
30K18.64 mi3.11 mi20940-28057-518057-5120855(Top 73%)8151(Top 67%)8151(Top 149%)
20M20.00 mi1.36 mi21029-898120-638120-6321852(Top 77%)8812(Top 72%)8812(Top 161%)
21M21.00 mi1.00 mi20945+848093+278093+2719670(Top 69%)7727(Top 63%)7727(Top 141%)
35K21.75 mi0.75 mi21512-5678409-3168409-31627392(Top 96%)11789(Top 96%)11789(Top 216%)
23M23.00 mi1.25 mi21565-538472-638472-6322404(Top 79%)9287(Top 76%)9287(Top 170%)
24M24.00 mi1.00 mi22025-4608754-2828754-28227248(Top 96%)11777(Top 96%)11777(Top 215%)
40K24.85 mi0.85 mi21837+1888674+808674+8015850(Top 56%)5979(Top 49%)5979(Top 109%)
25.2M25.20 mi0.35 mi21797+408654+208654+2019357(Top 68%)7845(Top 64%)7845(Top 143%)
Finish26.22 mi1.02 mi21695+1028612+428612+4218958(Top 67%)7579(Top 62%)7579(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20515

Females

7725

F18-39

7725

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21452

Females

8282

F18-39

8282

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20515

Females

7725

F18-39

7725

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20329

Females

7672

F18-39

7672

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

20007

Females

7495

F18-39

7495

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20467

Females

7794

F18-39

7794

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20855

Females

8151

F18-39

8151

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21852

Females

8812

F18-39

8812

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19670

Females

7727

F18-39

7727

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27392

Females

11789

F18-39

11789

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22404

Females

9287

F18-39

9287

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

27248

Females

11777

F18-39

11777

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15850

Females

5979

F18-39

5979

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19357

Females

7845

F18-39

7845

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

18958

Females

7579

F18-39

7579

Passing Analysis

Category:
Athletes Passed
2452
Passed By
1959
Net Change
+493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22188
5K → 10K467129+338#22188#21850
10K → 15K54249+493#21850#21357
15K → 20K35464+290#21357#21067
20K → Half5715+42#21067#21025
Half → 25K18295+87#21025#20938
25K → 30K210212-2#20938#20940
30K → 20M77166-89#20940#21029
20M → 21M13652+84#21029#20945
21M → 35K5572-567#20945#21512
35K → 23M71124-53#21512#21565
23M → 24M3463-460#21565#22025
24M → 40K1880+188#22025#21837
40K → 25.2M488+40#21837#21797
25.2M → Finish11210+102#21797#21695
TOTALS24521959+493
📊

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