Boston Marathon logo
BOSTON MARATHON 2024

Katherine Louscher

Bib: 12643•F

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 38%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:59
Rank: #9926
Start → 5K
22:59 | 7:24/mi
10K· 6.21 mi
46:16
Rank: #10008 (-82)
5K → 10K
23:17 | 7:30/mi
15K· 9.32 mi
1:09:53
Rank: #10164 (-156)
10K → 15K
23:37 | 7:36/mi
20K· 12.43 mi
1:34:01
Rank: #10137 (+27)
15K → 20K
24:08 | 7:46/mi
Half· 13.11 mi
1:39:17
Rank: #10175 (-38)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
1:58:45
Rank: #10132 (+43)
Half → 25K
19:28 | 8:02/mi
30K· 18.64 mi
2:25:06
Rank: #10132
25K → 30K
26:21 | 8:29/mi
20M
2:36:54
Rank: #10109 (+23)
30K → 20M
11:48 | 8:41/mi
21M
2:46:03
Rank: #9994 (+115)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
2:52:10
Rank: #9915 (+79)
21M → 35K
6:07 | 8:11/mi
23M
3:03:06
Rank: #9848 (+67)
35K → 23M
10:56 | 8:44/mi
24M
3:11:54
Rank: #9889 (-41)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:19:03
Rank: #9776 (+113)
24M → 40K
7:09 | 8:22/mi
25.2M
3:22:10
Rank: #9705 (+71)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:30:03
Rank: #9584 (+121)
25.2M → Finish
7:53 | 7:44/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:50:46
Pace8:27 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4422:597:2422:59
7:24
-
10K
6.21 mi11:15:0146:167:2723:17
7:30
+0:06
15K
9.32 mi11:38:381:09:537:3023:37
7:36
+0:06
20K
12.43 mi12:02:461:34:017:3424:08
7:46
+0:10
Half
13.11 mi12:08:021:39:177:345:16
7:43
-0:03
25K
15.53 mi12:27:301:58:457:3919:28
8:02
+0:19
30K
18.64 mi12:53:512:25:067:4726:21
8:29
+0:27
20M
20.00 mi13:05:392:36:547:5111:48
8:41
+0:12
21M
21.00 mi13:14:482:46:037:549:09
9:09
+0:28
35K
21.75 mi13:20:552:52:107:556:07
8:11
-0:58
23M
23.00 mi13:31:513:03:067:5810:56
8:44
+0:33
24M
24.00 mi13:40:393:11:548:008:48
8:48
+0:04
40K
24.85 mi13:47:483:19:038:017:09
8:22
-0:26
25.2M
25.20 mi13:50:553:22:108:013:07
9:02
+0:40
Finish
26.22 mi13:58:483:30:038:017:53
7:44
-1:18

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

8:01 /mi

Slowest Pace

9:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:10

51% of race

Time at Steady Pace

32:44

16% of race

Time at Slower Pace

1:10:09

33% of race

Average Pace: 8:01 /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 mi10:51:4422:597:2422:59
7:24
#9926
10K
6.21 mi11:15:0146:167:2723:17
7:30
#10008
15K
9.32 mi11:38:381:09:537:3023:37
7:36
#10164
20K
12.43 mi12:02:461:34:017:3424:08
7:46
#10137
Half
13.11 mi12:08:021:39:177:345:16
7:43
#10175
25K
15.53 mi12:27:301:58:457:3919:28
8:02
#10132
30K
18.64 mi12:53:512:25:067:4726:21
8:29
#10132
20M
20.00 mi13:05:392:36:547:5111:48
8:41
#10109
21M
21.00 mi13:14:482:46:037:549:09
9:09
#9994
35K
21.75 mi13:20:552:52:107:556:07
8:11
#9915
23M
23.00 mi13:31:513:03:067:5810:56
8:44
#9848
24M
24.00 mi13:40:393:11:548:008:48
8:48
#9889
40K
24.85 mi13:47:483:19:038:017:09
8:22
#9776
25.2M
25.20 mi13:50:553:22:108:013:07
9:02
#9705
Finish
26.22 mi13:58:483:30:038:017:53
7:44
#9584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99261983198310444(Top 41%)2403(Top 22%)2403(Top 52%)
10K6.21 mi3.10 mi10008-822051-682051-6810244(Top 40%)2216(Top 20%)2216(Top 48%)
15K9.32 mi3.11 mi10164-1562178-1272178-12710444(Top 41%)2403(Top 22%)2403(Top 52%)
20K12.43 mi3.11 mi10137+272222-442222-4410211(Top 40%)2433(Top 22%)2433(Top 52%)
Half13.11 mi0.68 mi10175-382246-242246-2410789(Top 42%)2686(Top 25%)2686(Top 58%)
25K15.53 mi2.42 mi10132+432279-332279-3310381(Top 41%)2675(Top 24%)2675(Top 57%)
30K18.64 mi3.11 mi101322388-1092388-10910568(Top 41%)2971(Top 27%)2971(Top 64%)
20M20.00 mi1.36 mi10109+232434-462434-4610457(Top 41%)3181(Top 29%)3181(Top 68%)
21M21.00 mi1.00 mi9994+1152439-52439-59281(Top 36%)2830(Top 26%)2830(Top 61%)
35K21.75 mi0.75 mi9915+792425+142425+148871(Top 35%)2652(Top 24%)2652(Top 57%)
23M23.00 mi1.25 mi9848+672459-342459-349743(Top 38%)3257(Top 30%)3257(Top 70%)
24M24.00 mi1.00 mi9889-412519-602519-6011119(Top 44%)3969(Top 36%)3969(Top 85%)
40K24.85 mi0.85 mi9776+1132499+202499+207685(Top 30%)2455(Top 22%)2455(Top 53%)
25.2M25.20 mi0.35 mi9705+712482+172482+176782(Top 27%)2076(Top 19%)2076(Top 45%)
Finish26.22 mi1.02 mi9584+1212459+232459+236993(Top 27%)2120(Top 19%)2120(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10444

Females

2403

F18-39

2403

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10244

Females

2216

F18-39

2216

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10444

Females

2403

F18-39

2403

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10211

Females

2433

F18-39

2433

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

10789

Females

2686

F18-39

2686

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10381

Females

2675

F18-39

2675

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

10568

Females

2971

F18-39

2971

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10457

Females

3181

F18-39

3181

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9281

Females

2830

F18-39

2830

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

8871

Females

2652

F18-39

2652

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

9743

Females

3257

F18-39

3257

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11119

Females

3969

F18-39

3969

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7685

Females

2455

F18-39

2455

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

6782

Females

2076

F18-39

2076

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

6993

Females

2120

F18-39

2120

Passing Analysis

Category:
Athletes Passed
2230*
Passed By
1883
Net Change
+342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9926
5K → 10K232313-82#9926#10008
10K → 15K162317-156#10008#10164
15K → 20K239212+27#10164#10137
20K → Half2260-38#10137#10175
Half → 25K219175+43#10175#10132
25K → 30K2892880#10132#10132
30K → 20M146122+23#10132#10109
20M → 21M19378+115#10109#9994
21M → 35K11031+79#9994#9915
35K → 23M16699+67#9915#9848
23M → 24M92*133-41#9848#9889
24M → 40K14027+113#9889#9776
40K → 25.2M8312+71#9776#9705
25.2M → Finish13716+121#9705#9584
TOTALS2230*1883+342

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing