Boston Marathon logo
BOSTON MARATHON 2024

Margaret Kopacz

Bib: 22445•F

VA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 49%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:24
Rank: #19368
Start → 5K
8:49/mi
27:24 split
10K· 6.21 mi
55:31
Rank: #19634 (-266)
5K → 10K
9:03/mi
28:07 split
15K· 9.32 mi
1:24:37
Rank: #19870 (-236)
10K → 15K
9:22/mi
29:06 split
20K· 12.43 mi
1:55:39
Rank: #20130 (-260)
15K → 20K
9:59/mi
31:02 split
Half· 13.11 mi
2:02:21
Rank: #20180 (-50)
20K → Half
9:49/mi
6:42 split
25K· 15.53 mi
2:27:02
Rank: #20052 (+128)
Half → 25K
10:11/mi
24:41 split
30K· 18.64 mi
2:58:59
Rank: #19675 (+377)
25K → 30K
10:17/mi
31:57 split
20M
3:12:48
Rank: #19468 (+207)
30K → 20M
10:10/mi
13:49 split
21M
3:23:32
Rank: #19215 (+253)
20M → 21M
10:44/mi
10:44 split
35K· 21.75 mi
3:30:46
Rank: #19089 (+126)
21M → 35K
9:40/mi
7:14 split
23M
3:43:07
Rank: #18817 (+272)
35K → 23M
9:52/mi
12:21 split
24M
3:52:41
Rank: #18637 (+180)
23M → 24M
9:34/mi
9:34 split
40K· 24.85 mi
4:00:49
Rank: #18446 (+191)
24M → 40K
9:31/mi
8:08 split
25.2M
4:04:24
Rank: #18340 (+106)
40K → 25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
4:13:54
Rank: #18221 (+119)
25.2M → Finish
9:19/mi
9:30 split

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
Time2:02:21
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:11:33
Pace10:02 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5227:248:4927:24
8:49
-
10K
6.21 mi11:54:5955:318:5628:07
9:03
+0:14
15K
9.32 mi12:24:051:24:379:0529:06
9:22
+0:19
20K
12.43 mi12:55:071:55:399:1831:02
9:59
+0:37
Half
13.11 mi13:01:492:02:219:206:42
9:49
-0:10
25K
15.53 mi13:26:302:27:029:2824:41
10:11
+0:22
30K
18.64 mi13:58:272:58:599:3631:57
10:17
+0:06
20M
20.00 mi14:12:163:12:489:3813:49
10:10
-0:07
21M
21.00 mi14:23:003:23:329:4210:44
10:44
+0:34
35K
21.75 mi14:30:143:30:469:417:14
9:40
-1:04
23M
23.00 mi14:42:353:43:079:4212:21
9:52
+0:12
24M
24.00 mi14:52:093:52:419:429:34
9:34
-0:18
40K
24.85 mi15:00:174:00:499:418:08
9:31
-0:03
25.2M
25.20 mi15:03:524:04:249:423:35
10:23
+0:52
Finish
26.22 mi15:13:224:13:549:419:30
9:19
-1:04

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

8:49 /mi

Average Pace

9:41 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:15

40% of race

Time at Steady Pace

1:06:53

26% of race

Time at Slower Pace

1:24:46

33% of race

Average Pace: 9:41 /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 mi11:26:5227:248:4927:24
8:49
#19368
10K
6.21 mi11:54:5955:318:5628:07
9:03
#19634
15K
9.32 mi12:24:051:24:379:0529:06
9:22
#19870
20K
12.43 mi12:55:071:55:399:1831:02
9:59
#20130
Half
13.11 mi13:01:492:02:219:206:42
9:49
#20180
25K
15.53 mi13:26:302:27:029:2824:41
10:11
#20052
30K
18.64 mi13:58:272:58:599:3631:57
10:17
#19675
20M
20.00 mi14:12:163:12:489:3813:49
10:10
#19468
21M
21.00 mi14:23:003:23:329:4210:44
10:44
#19215
35K
21.75 mi14:30:143:30:469:417:14
9:40
#19089
23M
23.00 mi14:42:353:43:079:4212:21
9:52
#18817
24M
24.00 mi14:52:093:52:419:429:34
9:34
#18637
40K
24.85 mi15:00:174:00:499:418:08
9:31
#18446
25.2M
25.20 mi15:03:524:04:249:423:35
10:23
#18340
Finish
26.22 mi15:13:224:13:549:419:30
9:19
#18221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi193687568756820242(Top 79%)7907(Top 72%)7907(Top 903%)
10K6.21 mi3.10 mi19634-2667662-947662-9419933(Top 78%)7792(Top 71%)7792(Top 889%)
15K9.32 mi3.11 mi19870-2367776-1147776-11420242(Top 79%)7907(Top 72%)7907(Top 903%)
20K12.43 mi3.11 mi20130-2607885-1097885-10920554(Top 80%)8118(Top 74%)8118(Top 927%)
Half13.11 mi0.68 mi20180-507914-297914-2921015(Top 82%)8405(Top 77%)8405(Top 959%)
25K15.53 mi2.42 mi20052+1287861+537861+5319611(Top 77%)7704(Top 71%)7704(Top 879%)
30K18.64 mi3.11 mi19675+3777727+1347727+13418210(Top 71%)7151(Top 65%)7151(Top 816%)
20M20.00 mi1.36 mi19468+2077652+757652+7517029(Top 67%)6733(Top 62%)6733(Top 769%)
21M21.00 mi1.00 mi19215+2537537+1157537+11515600(Top 61%)6119(Top 56%)6119(Top 699%)
35K21.75 mi0.75 mi19089+1267480+577480+5716122(Top 63%)6414(Top 59%)6414(Top 732%)
23M23.00 mi1.25 mi18817+2727363+1177363+11715012(Top 59%)5930(Top 54%)5930(Top 677%)
24M24.00 mi1.00 mi18637+1807292+717292+7114774(Top 58%)5836(Top 53%)5836(Top 666%)
40K24.85 mi0.85 mi18446+1917201+917201+9113199(Top 52%)5156(Top 47%)5156(Top 589%)
25.2M25.20 mi0.35 mi18340+1067161+407161+4012523(Top 49%)4888(Top 45%)4888(Top 558%)
Finish26.22 mi1.02 mi18221+1197131+307131+3015747(Top 62%)6392(Top 59%)6392(Top 730%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20242

Females

7907

F55-59

7907

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

19933

Females

7792

F55-59

7792

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20242

Females

7907

F55-59

7907

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

20554

Females

8118

F55-59

8118

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21015

Females

8405

F55-59

8405

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

19611

Females

7704

F55-59

7704

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18210

Females

7151

F55-59

7151

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17029

Females

6733

F55-59

6733

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15600

Females

6119

F55-59

6119

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

16122

Females

6414

F55-59

6414

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15012

Females

5930

F55-59

5930

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14774

Females

5836

F55-59

5836

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13199

Females

5156

F55-59

5156

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12523

Females

4888

F55-59

4888

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15747

Females

6392

F55-59

6392

Passing Analysis

Category:
Athletes Passed
2579
Passed By
1432
Net Change
+1147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19368
5K → 10K149415-266#19368#19634
10K → 15K142378-236#19634#19870
15K → 20K144404-260#19870#20130
20K → Half1262-50#20130#20180
Half → 25K21991+128#20180#20052
25K → 30K40528+377#20052#19675
30K → 20M21912+207#19675#19468
20M → 21M26310+253#19468#19215
21M → 35K1359+126#19215#19089
35K → 23M2731+272#19089#18817
23M → 24M1822+180#18817#18637
24M → 40K1921+191#18637#18446
40K → 25.2M1071+106#18446#18340
25.2M → Finish13718+119#18340#18221
TOTALS25791432+1147
📊

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