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BOSTON MARATHON 2025

Wendy Simas

Bib: 24538•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 (F55-59)
#0 / 994
Top 47%
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
28:24
↑ 97↓ 3451.5%
10K· 6.21 mi
9:09/mi
56:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:59/mi
1:24:44
↑ 67↓ 78
20K· 12.43 mi
9:06/mi
1:53:00
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:58:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:20:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:50:42
↑ 181↓ 1480.2%
20M
9:08/mi
3:03:07
↑ 64↓ 500.2%
21M
9:58/mi
3:13:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:05/mi
3:19:53
↑ 17↓ 861.7%
23M
9:27/mi
3:31:43
↑ 23↓ 630.6%
24M
8:58/mi
3:40:41
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:48:25
↓ 200.3%
25.2M
10:15/mi
3:51:57
↑ 13↓ 160.2%
Finish· 26.22 mi
8:50/mi
4:00:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:58
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:01:59
Pace9:18 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0228:249:0828:24
9:08
-
10K
6.21 mi11:57:2756:499:0928:25
9:09
+0:01
15K
9.32 mi12:25:221:24:449:0527:55
8:59
-0:10
20K
12.43 mi12:53:381:53:009:0628:16
9:06
+0:07
Half
13.11 mi12:59:361:58:589:045:58
8:45
-0:21
25K
15.53 mi13:21:292:20:519:0421:53
9:02
+0:17
30K
18.64 mi13:51:202:50:429:0929:51
9:36
+0:34
20M
20.00 mi14:03:453:03:079:0912:25
9:08
-0:28
21M
21.00 mi14:13:433:13:059:129:58
9:58
+0:50
35K
21.75 mi14:20:313:19:539:116:48
9:05
-0:53
23M
23.00 mi14:32:213:31:439:1211:50
9:27
+0:22
24M
24.00 mi14:41:193:40:419:128:58
8:58
-0:29
40K
24.85 mi14:49:033:48:259:117:44
9:03
+0:05
25.2M
25.20 mi14:52:353:51:579:123:32
10:15
+1:12
Finish
26.22 mi15:01:354:00:579:129:00
8:50
-1:25

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

8:45 /mi

Average Pace

9:12 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:47:27

94% of race

Time at Steady Pace

13:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:11 /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 mi11:29:0228:249:0828:24
9:08
#23010
10K
6.21 mi11:57:2756:499:0928:25
9:09
#22996
15K
9.32 mi12:25:221:24:449:0527:55
8:59
#22660
20K
12.43 mi12:53:381:53:009:0628:16
9:06
#22330
Half
13.11 mi12:59:361:58:589:045:58
8:45
#22240
25K
15.53 mi13:21:292:20:519:0421:53
9:02
#21881
30K
18.64 mi13:51:202:50:429:0929:51
9:36
#21578
20M
20.00 mi14:03:453:03:079:0912:25
9:08
#21270
21M
21.00 mi14:13:433:13:059:129:58
9:58
#21094
35K
21.75 mi14:20:313:19:539:116:48
9:05
#20989
23M
23.00 mi14:32:213:31:439:1211:50
9:27
#20850
24M
24.00 mi14:41:193:40:419:128:58
8:58
#20707
40K
24.85 mi14:49:033:48:259:117:44
9:03
#20581
25.2M
25.20 mi14:52:353:51:579:123:32
10:15
#20553
Finish
26.22 mi15:01:354:00:579:129:00
8:50
#20502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi230109174917421972(Top 77%)8534(Top 70%)8534(Top 859%)
10K6.21 mi3.10 mi22996+149147+279147+2722983(Top 81%)9124(Top 75%)9124(Top 918%)
15K9.32 mi3.11 mi22660+3368942+2058942+20521972(Top 77%)8534(Top 70%)8534(Top 859%)
20K12.43 mi3.11 mi22330+3308777+1658777+16521438(Top 75%)8282(Top 68%)8282(Top 833%)
Half13.11 mi0.68 mi22240+908729+488729+4820677(Top 73%)7862(Top 64%)7862(Top 791%)
25K15.53 mi2.42 mi21881+3598542+1878542+18720031(Top 71%)7552(Top 62%)7552(Top 760%)
30K18.64 mi3.11 mi21578+3038390+1528390+15220382(Top 72%)7868(Top 64%)7868(Top 792%)
20M20.00 mi1.36 mi21270+3088255+1358255+13517503(Top 62%)6425(Top 53%)6425(Top 646%)
21M21.00 mi1.00 mi21094+1768174+818174+8118200(Top 64%)6904(Top 56%)6904(Top 695%)
35K21.75 mi0.75 mi20989+1058129+458129+4518701(Top 66%)7309(Top 60%)7309(Top 735%)
23M23.00 mi1.25 mi20850+1398077+528077+5218497(Top 65%)7239(Top 59%)7239(Top 728%)
24M24.00 mi1.00 mi20707+1438020+578020+5717234(Top 61%)6623(Top 54%)6623(Top 666%)
40K24.85 mi0.85 mi20581+1267970+507970+5016630(Top 59%)6400(Top 52%)6400(Top 644%)
25.2M25.20 mi0.35 mi20553+287962+87962+818160(Top 64%)7235(Top 59%)7235(Top 728%)
Finish26.22 mi1.02 mi20502+517944+187944+1818240(Top 64%)7214(Top 59%)7214(Top 726%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21972

Females

8534

F55-59

8534

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

22983

Females

9124

F55-59

9124

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21972

Females

8534

F55-59

8534

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21438

Females

8282

F55-59

8282

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20677

Females

7862

F55-59

7862

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

20031

Females

7552

F55-59

7552

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20382

Females

7868

F55-59

7868

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17503

Females

6425

F55-59

6425

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18200

Females

6904

F55-59

6904

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18701

Females

7309

F55-59

7309

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18497

Females

7239

F55-59

7239

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17234

Females

6623

F55-59

6623

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16630

Females

6400

F55-59

6400

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18160

Females

7235

F55-59

7235

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18240

Females

7214

F55-59

7214

Passing Analysis

Category:
Athletes Passed
2999
Passed By
491
Net Change
+2508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23010
5K → 10K238224+14#23010#22996
10K → 15K38044+336#22996#22660
15K → 20K36535+330#22660#22330
20K → Half922+90#22330#22240
Half → 25K37415+359#22240#21881
25K → 30K36562+303#21881#21578
30K → 20M3102+308#21578#21270
20M → 21M19317+176#21270#21094
21M → 35K11914+105#21094#20989
35K → 23M16425+139#20989#20850
23M → 24M1518+143#20850#20707
24M → 40K13610+126#20707#20581
40K → 25.2M3911+28#20581#20553
25.2M → Finish7322+51#20553#20502
TOTALS2999491+2508
📊

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