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BOSTON MARATHON 2025

Marjorie Simon

Bib: 17451•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Female)
#0 / 12228
Top 28%
Masters (Masters Women)
#0 / 6759
Top 13%
Division (F45-49)
#0 / 1813
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #11322
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
46:25
Rank: #11872 (-550)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:10:13
Rank: #12277 (-405)
10K → 15K
23:48 | 7:40/mi
20K· 12.43 mi
1:34:22
Rank: #12443 (-166)
15K → 20K
24:09 | 7:46/mi
Half· 13.11 mi
1:39:40
Rank: #12522 (-79)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
1:58:49
Rank: #12587 (-65)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:24:10
Rank: #12535 (+52)
25K → 30K
25:21 | 8:10/mi
20M
2:35:30
Rank: #12516 (+19)
30K → 20M
11:20 | 8:20/mi
21M
2:44:16
Rank: #12482 (+34)
20M → 21M
8:46 | 8:46/mi
35K· 21.75 mi
2:50:11
Rank: #12421 (+61)
21M → 35K
5:55 | 7:55/mi
23M
3:00:32
Rank: #12346 (+75)
35K → 23M
10:21 | 8:16/mi
24M
3:08:46
Rank: #12361 (-15)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:15:55
Rank: #12355 (+6)
24M → 40K
7:09 | 8:22/mi
25.2M
3:19:04
Rank: #12352 (+3)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:27:27
Rank: #12433 (-81)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:40
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:47:47
Pace8:13 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0522:597:2422:59
7:24
-
10K
6.21 mi11:36:3146:257:2823:26
7:33
+0:09
15K
9.32 mi12:00:191:10:137:3223:48
7:40
+0:07
20K
12.43 mi12:24:281:34:227:3624:09
7:46
+0:06
Half
13.11 mi12:29:461:39:407:365:18
7:46
0:00
25K
15.53 mi12:48:551:58:497:3919:09
7:54
+0:08
30K
18.64 mi13:14:162:24:107:4425:21
8:10
+0:16
20M
20.00 mi13:25:362:35:307:4611:20
8:20
+0:10
21M
21.00 mi13:34:222:44:167:498:46
8:46
+0:26
35K
21.75 mi13:40:172:50:117:505:55
7:55
-0:51
23M
23.00 mi13:50:383:00:327:5110:21
8:16
+0:21
24M
24.00 mi13:58:523:08:467:528:14
8:14
-0:02
40K
24.85 mi14:06:013:15:557:537:09
8:22
+0:08
25.2M
25.20 mi14:09:103:19:047:543:09
9:08
+0:46
Finish
26.22 mi14:17:333:27:277:558:23
8:14
-0:54

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

7:24 /mi

Average Pace

7:55 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:44

60% of race

Time at Steady Pace

1:10:48

34% of race

Time at Slower Pace

11:55

6% of race

Average Pace: 7:55 /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 mi11:13:0522:597:2422:59
7:24
#11322
10K
6.21 mi11:36:3146:257:2823:26
7:33
#11872
15K
9.32 mi12:00:191:10:137:3223:48
7:40
#12277
20K
12.43 mi12:24:281:34:227:3624:09
7:46
#12443
Half
13.11 mi12:29:461:39:407:365:18
7:46
#12522
25K
15.53 mi12:48:551:58:497:3919:09
7:54
#12587
30K
18.64 mi13:14:162:24:107:4425:21
8:10
#12535
20M
20.00 mi13:25:362:35:307:4611:20
8:20
#12516
21M
21.00 mi13:34:222:44:167:498:46
8:46
#12482
35K
21.75 mi13:40:172:50:117:505:55
7:55
#12421
23M
23.00 mi13:50:383:00:327:5110:21
8:16
#12346
24M
24.00 mi13:58:523:08:467:528:14
8:14
#12361
40K
24.85 mi14:06:013:15:557:537:09
8:22
#12355
25.2M
25.20 mi14:09:103:19:047:543:09
9:08
#12352
Finish
26.22 mi14:17:333:27:277:558:23
8:14
#12433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi113222445244513153(Top 46%)3533(Top 29%)3533(Top 195%)
10K6.21 mi3.10 mi11872-5502740-2952740-29512504(Top 44%)3092(Top 25%)3092(Top 171%)
15K9.32 mi3.11 mi12277-4052987-2472987-24713153(Top 46%)3533(Top 29%)3533(Top 195%)
20K12.43 mi3.11 mi12443-1663113-1263113-12613060(Top 46%)3583(Top 29%)3583(Top 198%)
Half13.11 mi0.68 mi12522-793159-463159-4614017(Top 49%)4050(Top 33%)4050(Top 223%)
25K15.53 mi2.42 mi12587-653239-803239-8013085(Top 46%)3714(Top 30%)3714(Top 205%)
30K18.64 mi3.11 mi12535+523287-483287-4812528(Top 44%)3580(Top 29%)3580(Top 197%)
20M20.00 mi1.36 mi12516+193318-313318-3112775(Top 45%)3841(Top 31%)3841(Top 212%)
21M21.00 mi1.00 mi12482+343328-103328-1012111(Top 43%)3656(Top 30%)3656(Top 202%)
35K21.75 mi0.75 mi12421+613322+63322+611673(Top 41%)3475(Top 28%)3475(Top 192%)
23M23.00 mi1.25 mi12346+753319+33319+311844(Top 42%)3655(Top 30%)3655(Top 202%)
24M24.00 mi1.00 mi12361-153358-393358-3912821(Top 45%)4221(Top 35%)4221(Top 233%)
40K24.85 mi0.85 mi12355+63380-223380-2212564(Top 44%)4217(Top 34%)4217(Top 233%)
25.2M25.20 mi0.35 mi12352+33396-163396-1612598(Top 44%)4277(Top 35%)4277(Top 236%)
Finish26.22 mi1.02 mi12433-813465-693465-6914450(Top 51%)5173(Top 42%)5173(Top 285%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

13153

Females

3533

F45-49

3533

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

12504

Females

3092

F45-49

3092

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

13153

Females

3533

F45-49

3533

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

13060

Females

3583

F45-49

3583

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

14017

Females

4050

F45-49

4050

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13085

Females

3714

F45-49

3714

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12528

Females

3580

F45-49

3580

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12775

Females

3841

F45-49

3841

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12111

Females

3656

F45-49

3656

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11673

Females

3475

F45-49

3475

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11844

Females

3655

F45-49

3655

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12821

Females

4221

F45-49

4221

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12564

Females

4217

F45-49

4217

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12598

Females

4277

F45-49

4277

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14450

Females

5173

F45-49

5173

Passing Analysis

Category:
Athletes Passed
1400
Passed By
2511
Net Change
-1111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11322
5K → 10K78628-550#11322#11872
10K → 15K78483-405#11872#12277
15K → 20K135301-166#12277#12443
20K → Half1291-79#12443#12522
Half → 25K135200-65#12522#12587
25K → 30K264212+52#12587#12535
30K → 20M11798+19#12535#12516
20M → 21M12692+34#12516#12482
21M → 35K9231+61#12482#12421
35K → 23M14469+75#12421#12346
23M → 24M6883-15#12346#12361
24M → 40K6963+6#12361#12355
40K → 25.2M3330+3#12355#12352
25.2M → Finish49130-81#12352#12433
TOTALS14002511-1111
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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