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BOSTON MARATHON 2025

Margaret Kopacz

Bib: 25232•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 24%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:32
Rank: #21818
Start → 5K
27:32 | 8:52/mi
10K· 6.21 mi
55:22
Rank: #22004 (-186)
5K → 10K
27:50 | 8:58/mi
15K· 9.32 mi
1:23:16
Rank: #21987 (+17)
10K → 15K
27:54 | 8:59/mi
20K· 12.43 mi
1:51:22
Rank: #21762 (+225)
15K → 20K
28:06 | 9:03/mi
Half· 13.11 mi
1:57:25
Rank: #21723 (+39)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:19:36
Rank: #21494 (+229)
Half → 25K
22:11 | 9:09/mi
30K· 18.64 mi
2:48:58
Rank: #21169 (+325)
25K → 30K
29:22 | 9:27/mi
20M
3:01:53
Rank: #21002 (+167)
30K → 20M
12:55 | 9:30/mi
21M
3:11:51
Rank: #20811 (+191)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:18:36
Rank: #20716 (+95)
21M → 35K
6:45 | 9:01/mi
23M
3:30:00
Rank: #20509 (+207)
35K → 23M
11:24 | 9:06/mi
24M
3:38:55
Rank: #20388 (+121)
23M → 24M
8:55 | 8:55/mi
40K· 24.85 mi
3:46:39
Rank: #20267 (+121)
24M → 40K
7:44 | 9:03/mi
25.2M
3:50:06
Rank: #20223 (+44)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:59:07
Rank: #20180 (+43)
25.2M → Finish
9:01 | 8:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:25
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:01:42
Pace9:17 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:1627:328:5227:32
8:52
-
10K
6.21 mi11:56:0655:228:5527:50
8:58
+0:06
15K
9.32 mi12:24:001:23:168:5627:54
8:59
+0:01
20K
12.43 mi12:52:061:51:228:5828:06
9:03
+0:04
Half
13.11 mi12:58:091:57:258:576:03
8:52
-0:11
25K
15.53 mi13:20:202:19:368:5922:11
9:09
+0:17
30K
18.64 mi13:49:422:48:589:0429:22
9:27
+0:18
20M
20.00 mi14:02:373:01:539:0612:55
9:30
+0:03
21M
21.00 mi14:12:353:11:519:089:58
9:58
+0:28
35K
21.75 mi14:19:203:18:369:086:45
9:01
-0:57
23M
23.00 mi14:30:443:30:009:0811:24
9:06
+0:05
24M
24.00 mi14:39:393:38:559:078:55
8:55
-0:11
40K
24.85 mi14:47:233:46:399:077:44
9:03
+0:08
25.2M
25.20 mi14:50:503:50:069:083:27
10:00
+0:57
Finish
26.22 mi14:59:513:59:079:089:01
8:51
-1:09

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

8:51 /mi

Average Pace

9:08 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:42

94% of race

Time at Steady Pace

13:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:07 /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 mi11:28:1627:328:5227:32
8:52
#21818
10K
6.21 mi11:56:0655:228:5527:50
8:58
#22004
15K
9.32 mi12:24:001:23:168:5627:54
8:59
#21987
20K
12.43 mi12:52:061:51:228:5828:06
9:03
#21762
Half
13.11 mi12:58:091:57:258:576:03
8:52
#21723
25K
15.53 mi13:20:202:19:368:5922:11
9:09
#21494
30K
18.64 mi13:49:422:48:589:0429:22
9:27
#21169
20M
20.00 mi14:02:373:01:539:0612:55
9:30
#21002
21M
21.00 mi14:12:353:11:519:089:58
9:58
#20811
35K
21.75 mi14:19:203:18:369:086:45
9:01
#20716
23M
23.00 mi14:30:443:30:009:0811:24
9:06
#20509
24M
24.00 mi14:39:393:38:559:078:55
8:55
#20388
40K
24.85 mi14:47:233:46:399:077:44
9:03
#20267
25.2M
25.20 mi14:50:503:50:069:083:27
10:00
#20223
Finish
26.22 mi14:59:513:59:079:089:01
8:51
#20180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi218188524852421955(Top 77%)8522(Top 70%)8522(Top 1366%)
10K6.21 mi3.10 mi22004-1868614-908614-9022202(Top 78%)8709(Top 71%)8709(Top 1396%)
15K9.32 mi3.11 mi21987+178595+198595+1921955(Top 77%)8522(Top 70%)8522(Top 1366%)
20K12.43 mi3.11 mi21762+2258473+1228473+12221205(Top 75%)8158(Top 67%)8158(Top 1307%)
Half13.11 mi0.68 mi21723+398450+238450+2321256(Top 75%)8170(Top 67%)8170(Top 1309%)
25K15.53 mi2.42 mi21494+2298317+1338317+13320565(Top 72%)7851(Top 64%)7851(Top 1258%)
30K18.64 mi3.11 mi21169+3258179+1388179+13819760(Top 70%)7530(Top 62%)7530(Top 1207%)
20M20.00 mi1.36 mi21002+1678103+768103+7619217(Top 68%)7382(Top 60%)7382(Top 1183%)
21M21.00 mi1.00 mi20811+1918016+878016+8718196(Top 64%)6900(Top 56%)6900(Top 1106%)
35K21.75 mi0.75 mi20716+957980+367980+3618385(Top 65%)7128(Top 58%)7128(Top 1142%)
23M23.00 mi1.25 mi20509+2077891+897891+8916885(Top 59%)6392(Top 52%)6392(Top 1024%)
24M24.00 mi1.00 mi20388+1217842+497842+4916969(Top 60%)6493(Top 53%)6493(Top 1041%)
40K24.85 mi0.85 mi20267+1217803+397803+3916627(Top 59%)6397(Top 52%)6397(Top 1025%)
25.2M25.20 mi0.35 mi20223+447781+227781+2217148(Top 60%)6686(Top 55%)6686(Top 1071%)
Finish26.22 mi1.02 mi20180+437769+127769+1218315(Top 64%)7253(Top 59%)7253(Top 1162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

21955

Females

8522

F60-64

8522

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22202

Females

8709

F60-64

8709

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

21955

Females

8522

F60-64

8522

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21205

Females

8158

F60-64

8158

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21256

Females

8170

F60-64

8170

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20565

Females

7851

F60-64

7851

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19760

Females

7530

F60-64

7530

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19217

Females

7382

F60-64

7382

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18196

Females

6900

F60-64

6900

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18385

Females

7128

F60-64

7128

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16885

Females

6392

F60-64

6392

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16969

Females

6493

F60-64

6493

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16627

Females

6397

F60-64

6397

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17148

Females

6686

F60-64

6686

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18315

Females

7253

F60-64

7253

Passing Analysis

Category:
Athletes Passed
2495
Passed By
857
Net Change
+1638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21818
5K → 10K180366-186#21818#22004
10K → 15K210193+17#22004#21987
15K → 20K30075+225#21987#21762
20K → Half5718+39#21762#21723
Half → 25K27142+229#21723#21494
25K → 30K37045+325#21494#21169
30K → 20M19023+167#21169#21002
20M → 21M20615+191#21002#20811
21M → 35K10611+95#20811#20716
35K → 23M2125+207#20716#20509
23M → 24M1287+121#20509#20388
24M → 40K1309+121#20388#20267
40K → 25.2M5410+44#20267#20223
25.2M → Finish8138+43#20223#20180
TOTALS2495857+1638
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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