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BOSTON MARATHON 2025

Courtney Kopache

Bib: 18301•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Division (F18-39)
#0 / 5469
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
8:19/mi
25:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:16:23
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:41:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:47:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:07:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:34:56
↑ 181↓ 1480.2%
20M
8:54/mi
2:47:02
↑ 64↓ 500.2%
21M
9:31/mi
2:56:33
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:03:06
↑ 17↓ 861.7%
23M
9:12/mi
3:14:37
↑ 23↓ 630.6%
24M
9:13/mi
3:23:50
↓ 821.3%
40K· 24.85 mi
9:25/mi
3:31:53
↓ 200.3%
25.2M
10:23/mi
3:35:28
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:44:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:25
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2925:498:1925:49
8:19
-
10K
6.21 mi11:48:0451:248:1625:35
8:14
-0:05
15K
9.32 mi12:13:031:16:238:1224:59
8:02
-0:12
20K
12.43 mi12:38:231:41:438:1125:20
8:09
+0:07
Half
13.11 mi12:44:051:47:258:125:42
8:21
+0:12
25K
15.53 mi13:04:112:07:318:1320:06
8:17
-0:04
30K
18.64 mi13:31:362:34:568:1927:25
8:49
+0:32
20M
20.00 mi13:43:422:47:028:2112:06
8:54
+0:05
21M
21.00 mi13:53:132:56:338:249:31
9:31
+0:37
35K
21.75 mi13:59:463:03:068:256:33
8:45
-0:46
23M
23.00 mi14:11:173:14:378:2811:31
9:12
+0:27
24M
24.00 mi14:20:303:23:508:309:13
9:13
+0:01
40K
24.85 mi14:28:333:31:538:318:03
9:25
+0:12
25.2M
25.20 mi14:32:083:35:288:333:35
10:23
+0:58
Finish
26.22 mi14:40:553:44:158:348:47
8:37
-1:46

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

8:02 /mi

Average Pace

8:34 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:31

57% of race

Time at Steady Pace

54:51

24% of race

Time at Slower Pace

41:53

19% of race

Average Pace: 8:33 /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 mi11:22:2925:498:1925:49
8:19
#18783
10K
6.21 mi11:48:0451:248:1625:35
8:14
#18447
15K
9.32 mi12:13:031:16:238:1224:59
8:02
#17733
20K
12.43 mi12:38:231:41:438:1125:20
8:09
#17249
Half
13.11 mi12:44:051:47:258:125:42
8:21
#17286
25K
15.53 mi13:04:112:07:318:1320:06
8:17
#17014
30K
18.64 mi13:31:362:34:568:1927:25
8:49
#16901
20M
20.00 mi13:43:422:47:028:2112:06
8:54
#16833
21M
21.00 mi13:53:132:56:338:249:31
9:31
#16751
35K
21.75 mi13:59:463:03:068:256:33
8:45
#16749
23M
23.00 mi14:11:173:14:378:2811:31
9:12
#16762
24M
24.00 mi14:20:303:23:508:309:13
9:13
#16848
40K
24.85 mi14:28:333:31:538:318:03
9:25
#16914
25.2M
25.20 mi14:32:083:35:288:333:35
10:23
#16958
Finish
26.22 mi14:40:553:44:158:348:47
8:37
#16963
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi187836787678716370(Top 58%)5358(Top 44%)5358(Top 98%)
10K6.21 mi3.10 mi18447+3366586+2016586+20118137(Top 64%)6383(Top 52%)6383(Top 117%)
15K9.32 mi3.11 mi17733+7146167+4196167+41916370(Top 58%)5358(Top 44%)5358(Top 98%)
20K12.43 mi3.11 mi17249+4845888+2795888+27916028(Top 56%)5230(Top 43%)5230(Top 96%)
Half13.11 mi0.68 mi17286-375920-325920-3218323(Top 65%)6500(Top 53%)6500(Top 119%)
25K15.53 mi2.42 mi17014+2725771+1495771+14915871(Top 56%)5242(Top 43%)5242(Top 96%)
30K18.64 mi3.11 mi16901+1135754+175754+1716753(Top 59%)5895(Top 48%)5895(Top 108%)
20M20.00 mi1.36 mi16833+685737+175737+1716287(Top 57%)5769(Top 47%)5769(Top 105%)
21M21.00 mi1.00 mi16751+825731+65731+616177(Top 57%)5804(Top 47%)5804(Top 106%)
35K21.75 mi0.75 mi16749+25743-125743-1217046(Top 60%)6367(Top 52%)6367(Top 116%)
23M23.00 mi1.25 mi16762-135789-465789-4617325(Top 61%)6617(Top 54%)6617(Top 121%)
24M24.00 mi1.00 mi16848-865870-815870-8118438(Top 65%)7267(Top 59%)7267(Top 133%)
40K24.85 mi0.85 mi16914-665940-705940-7018355(Top 65%)7304(Top 60%)7304(Top 134%)
25.2M25.20 mi0.35 mi16958-445980-405980-4018625(Top 66%)7436(Top 61%)7436(Top 136%)
Finish26.22 mi1.02 mi16963-55997-175997-1716980(Top 60%)6548(Top 54%)6548(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16370

Females

5358

F18-39

5358

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18137

Females

6383

F18-39

6383

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16370

Females

5358

F18-39

5358

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

16028

Females

5230

F18-39

5230

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18323

Females

6500

F18-39

6500

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15871

Females

5242

F18-39

5242

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

16753

Females

5895

F18-39

5895

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16287

Females

5769

F18-39

5769

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16177

Females

5804

F18-39

5804

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17046

Females

6367

F18-39

6367

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17325

Females

6617

F18-39

6617

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18438

Females

7267

F18-39

7267

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18355

Females

7304

F18-39

7304

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18625

Females

7436

F18-39

7436

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16980

Females

6548

F18-39

6548

Passing Analysis

Category:
Athletes Passed
2946
Passed By
1126
Net Change
+1820
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18783
5K → 10K474138+336#18783#18447
10K → 15K72713+714#18447#17733
15K → 20K49713+484#17733#17249
20K → Half1956-37#17249#17286
Half → 25K31038+272#17286#17014
25K → 30K273160+113#17014#16901
30K → 20M12658+68#16901#16833
20M → 21M14866+82#16833#16751
21M → 35K6159+2#16751#16749
35K → 23M111124-13#16749#16762
23M → 24M56142-86#16762#16848
24M → 40K55121-66#16848#16914
40K → 25.2M2771-44#16914#16958
25.2M → Finish6267-5#16958#16963
TOTALS29461126+1820
📊

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