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BOSTON MARATHON 2025

Lisa Simmons

Bib: 29325•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F45-49)
#0 / 1813
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
9:08/mi
28:22
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:54
↑ 79↓ 1380.4%
15K· 9.32 mi
9:07/mi
1:25:15
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:54:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:00:25
↑ 19↓ 370.5%
25K· 15.53 mi
10:02/mi
2:24:45
↑ 66↓ 880.2%
30K· 18.64 mi
10:36/mi
2:57:42
↑ 181↓ 1480.2%
20M
10:28/mi
3:11:55
↑ 64↓ 500.2%
21M
10:53/mi
3:22:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:31/mi
3:29:55
↑ 17↓ 861.7%
23M
10:30/mi
3:43:04
↑ 23↓ 630.6%
24M
9:49/mi
3:52:53
↓ 821.3%
40K· 24.85 mi
9:52/mi
4:01:19
↓ 200.3%
25.2M
10:35/mi
4:04:58
↑ 13↓ 160.2%
Finish· 26.22 mi
9:02/mi
4:14:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:25
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:13:45
Pace10:12 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:2328:229:0828:22
9:08
-
10K
6.21 mi12:15:5556:549:0928:32
9:11
+0:03
15K
9.32 mi12:44:161:25:159:0928:21
9:07
-0:04
20K
12.43 mi13:13:071:54:069:1128:51
9:17
+0:10
Half
13.11 mi13:19:262:00:259:116:19
9:16
-0:01
25K
15.53 mi13:43:462:24:459:1924:20
10:02
+0:46
30K
18.64 mi14:16:432:57:429:3232:57
10:36
+0:34
20M
20.00 mi14:30:563:11:559:3614:13
10:28
-0:08
21M
21.00 mi14:41:493:22:489:3910:53
10:53
+0:25
35K
21.75 mi14:48:563:29:559:397:07
9:31
-1:22
23M
23.00 mi15:02:053:43:049:4213:09
10:30
+0:59
24M
24.00 mi15:11:543:52:539:429:49
9:49
-0:41
40K
24.85 mi15:20:204:01:199:438:26
9:52
+0:03
25.2M
25.20 mi15:23:594:04:589:433:39
10:35
+0:43
Finish
26.22 mi15:33:114:14:109:429:12
9:02
-1:33

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

9:02 /mi

Average Pace

9:42 /mi

Slowest Pace

10:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:37

51% of race

Time at Steady Pace

49:42

20% of race

Time at Slower Pace

1:14:51

29% of race

Average Pace: 9:42 /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 mi11:47:2328:229:0828:22
9:08
#22965
10K
6.21 mi12:15:5556:549:0928:32
9:11
#23052
15K
9.32 mi12:44:161:25:159:0928:21
9:07
#22900
20K
12.43 mi13:13:071:54:069:1128:51
9:17
#22705
Half
13.11 mi13:19:262:00:259:116:19
9:16
#22713
25K
15.53 mi13:43:462:24:459:1924:20
10:02
#22853
30K
18.64 mi14:16:432:57:429:3232:57
10:36
#22893
20M
20.00 mi14:30:563:11:559:3614:13
10:28
#22846
21M
21.00 mi14:41:493:22:489:3910:53
10:53
#22751
35K
21.75 mi14:48:563:29:559:397:07
9:31
#22641
23M
23.00 mi15:02:053:43:049:4213:09
10:30
#22589
24M
24.00 mi15:11:543:52:539:429:49
9:49
#22499
40K
24.85 mi15:20:204:01:199:438:26
9:52
#22398
25.2M
25.20 mi15:23:594:04:589:433:39
10:35
#22350
Finish
26.22 mi15:33:114:14:109:429:12
9:02
#22246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi229659149914922574(Top 79%)8876(Top 73%)8876(Top 490%)
10K6.21 mi3.10 mi23052-879177-289177-2823140(Top 81%)9208(Top 75%)9208(Top 508%)
15K9.32 mi3.11 mi22900+1529069+1089069+10822574(Top 79%)8876(Top 73%)8876(Top 490%)
20K12.43 mi3.11 mi22705+1958955+1148955+11422235(Top 78%)8717(Top 71%)8717(Top 481%)
Half13.11 mi0.68 mi22713-88964-98964-922837(Top 80%)9053(Top 74%)9053(Top 499%)
25K15.53 mi2.42 mi22853-1409064-1009064-10023353(Top 82%)9393(Top 77%)9393(Top 518%)
30K18.64 mi3.11 mi22893-409123-599123-5923182(Top 82%)9427(Top 77%)9427(Top 520%)
20M20.00 mi1.36 mi22846+479131-89131-822321(Top 79%)9071(Top 74%)9071(Top 500%)
21M21.00 mi1.00 mi22751+959089+429089+4221098(Top 74%)8499(Top 70%)8499(Top 469%)
35K21.75 mi0.75 mi22641+1109041+489041+4820405(Top 72%)8196(Top 67%)8196(Top 452%)
23M23.00 mi1.25 mi22589+529038+39038+322037(Top 78%)9087(Top 74%)9087(Top 501%)
24M24.00 mi1.00 mi22499+909010+289010+2820795(Top 73%)8503(Top 70%)8503(Top 469%)
40K24.85 mi0.85 mi22398+1018978+328978+3220027(Top 71%)8181(Top 67%)8181(Top 451%)
25.2M25.20 mi0.35 mi22350+488959+198959+1919362(Top 68%)7850(Top 64%)7850(Top 433%)
Finish26.22 mi1.02 mi22246+1048923+368923+3619219(Top 68%)7735(Top 63%)7735(Top 427%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22574

Females

8876

F45-49

8876

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23140

Females

9208

F45-49

9208

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22574

Females

8876

F45-49

8876

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22235

Females

8717

F45-49

8717

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22837

Females

9053

F45-49

9053

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23353

Females

9393

F45-49

9393

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23182

Females

9427

F45-49

9427

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

22321

Females

9071

F45-49

9071

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21098

Females

8499

F45-49

8499

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20405

Females

8196

F45-49

8196

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22037

Females

9087

F45-49

9087

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20795

Females

8503

F45-49

8503

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20027

Females

8181

F45-49

8181

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19362

Females

7850

F45-49

7850

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19219

Females

7735

F45-49

7735

Passing Analysis

Category:
Athletes Passed
1783
Passed By
1064
Net Change
+719
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22965
5K → 10K186273-87#22965#23052
10K → 15K24492+152#23052#22900
15K → 20K28590+195#22900#22705
20K → Half2937-8#22705#22713
Half → 25K106246-140#22713#22853
25K → 30K142182-40#22853#22893
30K → 20M9750+47#22893#22846
20M → 21M11621+95#22846#22751
21M → 35K1133+110#22751#22641
35K → 23M10048+52#22641#22589
23M → 24M10010+90#22589#22499
24M → 40K1054+101#22499#22398
40K → 25.2M513+48#22398#22350
25.2M → Finish1095+104#22350#22246
TOTALS17831064+719
📊

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