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BOSTON MARATHON 2025

Marleen Housselt

Bib: 24414•F

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 39%
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
9:00/mi
27:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
55:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:52/mi
1:23:07
↑ 67↓ 78
20K· 12.43 mi
8:57/mi
1:50:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:48/mi
1:56:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:18:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:13/mi
2:47:22
↑ 181↓ 1480.2%
20M
9:17/mi
2:59:59
↑ 64↓ 500.2%
21M
10:04/mi
3:10:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:37/mi
3:16:30
↑ 17↓ 861.7%
23M
8:50/mi
3:27:33
↑ 23↓ 630.6%
24M
8:42/mi
3:36:15
↓ 821.3%
40K· 24.85 mi
9:05/mi
3:44:01
↓ 200.3%
25.2M
10:03/mi
3:47:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:56:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:55
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:3827:599:0027:59
9:00
-
10K
6.21 mi11:55:1455:358:5727:36
8:53
-0:07
15K
9.32 mi12:22:461:23:078:5527:32
8:52
-0:01
20K
12.43 mi12:50:341:50:558:5627:48
8:57
+0:05
Half
13.11 mi12:56:341:56:558:556:00
8:48
-0:09
25K
15.53 mi13:18:242:18:458:5621:50
9:00
+0:12
30K
18.64 mi13:47:012:47:228:5928:37
9:13
+0:13
20M
20.00 mi13:59:382:59:599:0012:37
9:17
+0:04
21M
21.00 mi14:09:423:10:039:0310:04
10:04
+0:47
35K
21.75 mi14:16:093:16:309:026:27
8:37
-1:27
23M
23.00 mi14:27:123:27:339:0111:03
8:50
+0:13
24M
24.00 mi14:35:543:36:159:018:42
8:42
-0:08
40K
24.85 mi14:43:403:44:019:017:46
9:05
+0:23
25.2M
25.20 mi14:47:083:47:299:023:28
10:03
+0:58
Finish
26.22 mi14:56:023:56:239:018:54
8:44
-1:19

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

9:01 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:51

94% of race

Time at Steady Pace

13:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:01 /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 mi11:27:3827:599:0027:59
9:00
#22439
10K
6.21 mi11:55:1455:358:5727:36
8:53
#22179
15K
9.32 mi12:22:461:23:078:5527:32
8:52
#21899
20K
12.43 mi12:50:341:50:558:5627:48
8:57
#21577
Half
13.11 mi12:56:341:56:558:556:00
8:48
#21534
25K
15.53 mi13:18:242:18:458:5621:50
9:00
#21263
30K
18.64 mi13:47:012:47:228:5928:37
9:13
#20766
20M
20.00 mi13:59:382:59:599:0012:37
9:17
#20549
21M
21.00 mi14:09:423:10:039:0310:04
10:04
#20431
35K
21.75 mi14:16:093:16:309:026:27
8:37
#20280
23M
23.00 mi14:27:123:27:339:0111:03
8:50
#20028
24M
24.00 mi14:35:543:36:159:018:42
8:42
#19855
40K
24.85 mi14:43:403:44:019:017:46
9:05
#19740
25.2M
25.20 mi14:47:083:47:299:023:28
10:03
#19705
Finish
26.22 mi14:56:023:56:239:018:54
8:44
#19638
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi224398874887421357(Top 75%)8192(Top 67%)8192(Top 824%)
10K6.21 mi3.10 mi22179+2608713+1618713+16121831(Top 77%)8500(Top 70%)8500(Top 855%)
15K9.32 mi3.11 mi21899+2808541+1728541+17221357(Top 75%)8192(Top 67%)8192(Top 824%)
20K12.43 mi3.11 mi21577+3228364+1778364+17720713(Top 73%)7895(Top 65%)7895(Top 794%)
Half13.11 mi0.68 mi21534+438336+288336+2820894(Top 74%)7977(Top 65%)7977(Top 803%)
25K15.53 mi2.42 mi21263+2718189+1478189+14719931(Top 70%)7496(Top 61%)7496(Top 754%)
30K18.64 mi3.11 mi20766+4977965+2247965+22418697(Top 66%)6953(Top 57%)6953(Top 699%)
20M20.00 mi1.36 mi20549+2177853+1127853+11218243(Top 64%)6861(Top 56%)6861(Top 690%)
21M21.00 mi1.00 mi20431+1187814+397814+3918575(Top 65%)7100(Top 58%)7100(Top 714%)
35K21.75 mi0.75 mi20280+1517752+627752+6216254(Top 57%)5939(Top 49%)5939(Top 597%)
23M23.00 mi1.25 mi20028+2527631+1217631+12115286(Top 54%)5496(Top 45%)5496(Top 553%)
24M24.00 mi1.00 mi19855+1737570+617570+6115806(Top 56%)5824(Top 48%)5824(Top 586%)
40K24.85 mi0.85 mi19740+1157514+567514+5616814(Top 59%)6494(Top 53%)6494(Top 653%)
25.2M25.20 mi0.35 mi19705+357506+87506+817331(Top 61%)6781(Top 55%)6781(Top 682%)
Finish26.22 mi1.02 mi19638+677485+217485+2117706(Top 62%)6931(Top 57%)6931(Top 697%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21357

Females

8192

F55-59

8192

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21831

Females

8500

F55-59

8500

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21357

Females

8192

F55-59

8192

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20713

Females

7895

F55-59

7895

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20894

Females

7977

F55-59

7977

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19931

Females

7496

F55-59

7496

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

18697

Females

6953

F55-59

6953

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

18243

Females

6861

F55-59

6861

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18575

Females

7100

F55-59

7100

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16254

Females

5939

F55-59

5939

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15286

Females

5496

F55-59

5496

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15806

Females

5824

F55-59

5824

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16814

Females

6494

F55-59

6494

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17331

Females

6781

F55-59

6781

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17706

Females

6931

F55-59

6931

Passing Analysis

Category:
Athletes Passed
3222
Passed By
421
Net Change
+2801
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22439
5K → 10K406146+260#22439#22179
10K → 15K35171+280#22179#21899
15K → 20K37351+322#21899#21577
20K → Half5613+43#21577#21534
Half → 25K30433+271#21534#21263
25K → 30K50811+497#21263#20766
30K → 20M23215+217#20766#20549
20M → 21M14729+118#20549#20431
21M → 35K1532+151#20431#20280
35K → 23M2542+252#20280#20028
23M → 24M1785+173#20028#19855
24M → 40K1227+115#19855#19740
40K → 25.2M438+35#19740#19705
25.2M → Finish9528+67#19705#19638
TOTALS3222421+2801
📊

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