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BOSTON MARATHON 2025

Stefanie Houseknecht

Bib: 18290•F

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Female)
#0 / 12228
Top 24%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F40-44)
#0 / 1718
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #12803
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:33
Rank: #12055 (+748)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:52
Rank: #11955 (+100)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:33:46
Rank: #12038 (-83)
15K → 20K
23:54 | 7:42/mi
Half· 13.11 mi
1:38:55
Rank: #12047 (-9)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:58
Rank: #12126 (-79)
Half → 25K
19:03 | 7:51/mi
30K· 18.64 mi
2:22:58
Rank: #11995 (+131)
25K → 30K
25:00 | 8:03/mi
20M
2:33:57
Rank: #11890 (+105)
30K → 20M
10:59 | 8:05/mi
21M
2:42:30
Rank: #11802 (+88)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:48:21
Rank: #11749 (+53)
21M → 35K
5:51 | 7:49/mi
23M
2:58:25
Rank: #11620 (+129)
35K → 23M
10:04 | 8:02/mi
24M
3:06:14
Rank: #11497 (+123)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:13:08
Rank: #11443 (+54)
24M → 40K
6:54 | 8:04/mi
25.2M
3:16:05
Rank: #11370 (+73)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:23:42
Rank: #11237 (+133)
25.2M → Finish
7:37 | 7:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:55
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:44:47
Pace8:00 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1223:307:3423:30
7:34
-
10K
6.21 mi11:37:1546:337:2923:03
7:25
-0:09
15K
9.32 mi12:00:341:09:527:3023:19
7:30
+0:05
20K
12.43 mi12:24:281:33:467:3323:54
7:42
+0:12
Half
13.11 mi12:29:371:38:557:335:09
7:33
-0:09
25K
15.53 mi12:48:401:57:587:3619:03
7:51
+0:18
30K
18.64 mi13:13:402:22:587:4025:00
8:03
+0:12
20M
20.00 mi13:24:392:33:577:4210:59
8:05
+0:02
21M
21.00 mi13:33:122:42:307:448:33
8:33
+0:28
35K
21.75 mi13:39:032:48:217:445:51
7:49
-0:44
23M
23.00 mi13:49:072:58:257:4510:04
8:02
+0:13
24M
24.00 mi13:56:563:06:147:467:49
7:49
-0:13
40K
24.85 mi14:03:503:13:087:466:54
8:04
+0:15
25.2M
25.20 mi14:06:473:16:057:472:57
8:33
+0:29
Finish
26.22 mi14:14:243:23:427:467:37
7:28
-1:05

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

7:25 /mi

Average Pace

7:46 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:12

94% of race

Time at Steady Pace

11:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:46 /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 mi11:14:1223:307:3423:30
7:34
#12803
10K
6.21 mi11:37:1546:337:2923:03
7:25
#12055
15K
9.32 mi12:00:341:09:527:3023:19
7:30
#11955
20K
12.43 mi12:24:281:33:467:3323:54
7:42
#12038
Half
13.11 mi12:29:371:38:557:335:09
7:33
#12047
25K
15.53 mi12:48:401:57:587:3619:03
7:51
#12126
30K
18.64 mi13:13:402:22:587:4025:00
8:03
#11995
20M
20.00 mi13:24:392:33:577:4210:59
8:05
#11890
21M
21.00 mi13:33:122:42:307:448:33
8:33
#11802
35K
21.75 mi13:39:032:48:217:445:51
7:49
#11749
23M
23.00 mi13:49:072:58:257:4510:04
8:02
#11620
24M
24.00 mi13:56:563:06:147:467:49
7:49
#11497
40K
24.85 mi14:03:503:13:087:466:54
8:04
#11443
25.2M
25.20 mi14:06:473:16:057:472:57
8:33
#11370
Finish
26.22 mi14:14:243:23:427:467:37
7:28
#11237
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi128033208320811812(Top 42%)2806(Top 23%)2806(Top 163%)
10K6.21 mi3.10 mi12055+7482841+3672841+36711369(Top 40%)2500(Top 20%)2500(Top 146%)
15K9.32 mi3.11 mi11955+1002807+342807+3411812(Top 42%)2806(Top 23%)2806(Top 163%)
20K12.43 mi3.11 mi12038-832892-852892-8512350(Top 43%)3192(Top 26%)3192(Top 186%)
Half13.11 mi0.68 mi12047-92902-102902-1012185(Top 43%)3046(Top 25%)3046(Top 177%)
25K15.53 mi2.42 mi12126-792986-842986-8412813(Top 45%)3564(Top 29%)3564(Top 207%)
30K18.64 mi3.11 mi11995+1312992-62992-611727(Top 41%)3151(Top 26%)3151(Top 183%)
20M20.00 mi1.36 mi11890+1052972+202972+2010993(Top 39%)2934(Top 24%)2934(Top 171%)
21M21.00 mi1.00 mi11802+882968+42968+410820(Top 38%)3007(Top 25%)3007(Top 175%)
35K21.75 mi0.75 mi11749+532954+142954+1411010(Top 39%)3108(Top 25%)3108(Top 181%)
23M23.00 mi1.25 mi11620+1292939+152939+1510356(Top 36%)2914(Top 24%)2914(Top 170%)
24M24.00 mi1.00 mi11497+1232916+232916+239973(Top 35%)2803(Top 23%)2803(Top 163%)
40K24.85 mi0.85 mi11443+542927-112927-1110687(Top 38%)3256(Top 27%)3256(Top 190%)
25.2M25.20 mi0.35 mi11370+732907+202907+209198(Top 32%)2635(Top 22%)2635(Top 153%)
Finish26.22 mi1.02 mi11237+1332876+312876+319045(Top 32%)2563(Top 21%)2563(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11812

Females

2806

F40-44

2806

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11369

Females

2500

F40-44

2500

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11812

Females

2806

F40-44

2806

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12350

Females

3192

F40-44

3192

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12185

Females

3046

F40-44

3046

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12813

Females

3564

F40-44

3564

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11727

Females

3151

F40-44

3151

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10993

Females

2934

F40-44

2934

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10820

Females

3007

F40-44

3007

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11010

Females

3108

F40-44

3108

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10356

Females

2914

F40-44

2914

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9973

Females

2803

F40-44

2803

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10687

Females

3256

F40-44

3256

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9198

Females

2635

F40-44

2635

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

9045

Females

2563

F40-44

2563

Passing Analysis

Category:
Athletes Passed
2736
Passed By
1170
Net Change
+1566
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12803
5K → 10K80658+748#12803#12055
10K → 15K235135+100#12055#11955
15K → 20K166249-83#11955#12038
20K → Half3039-9#12038#12047
Half → 25K137216-79#12047#12126
25K → 30K310179+131#12126#11995
30K → 20M16661+105#11995#11890
20M → 21M14153+88#11890#11802
21M → 35K8128+53#11802#11749
35K → 23M17546+129#11749#11620
23M → 24M15229+123#11620#11497
24M → 40K10450+54#11497#11443
40K → 25.2M763+73#11443#11370
25.2M → Finish15724+133#11370#11237
TOTALS27361170+1566
📊

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