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BOSTON MARATHON 2025

Kathryn Kogge

Bib: 18128•F

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Female)
#0 / 12228
Top 20%
Division (F18-39)
#0 / 5469
Top 35%
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
7:37/mi
23:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:28/mi
46:51
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:12
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:33:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:38:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:29/mi
1:56:37
↑ 66↓ 880.2%
30K· 18.64 mi
7:48/mi
2:20:50
↑ 181↓ 1480.2%
20M
7:55/mi
2:31:35
↑ 64↓ 500.2%
21M
8:25/mi
2:40:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:45:41
↑ 17↓ 861.7%
23M
7:57/mi
2:55:38
↑ 23↓ 630.6%
24M
7:48/mi
3:03:26
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:10:25
↓ 200.3%
25.2M
8:59/mi
3:13:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:35/mi
3:21:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:42:47
Pace7:50 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4223:397:3723:39
7:37
-
10K
6.21 mi11:37:5446:517:3223:12
7:28
-0:09
15K
9.32 mi12:01:151:10:127:3223:21
7:31
+0:03
20K
12.43 mi12:24:331:33:307:3123:18
7:30
-0:01
Half
13.11 mi12:29:311:38:287:314:58
7:17
-0:13
25K
15.53 mi12:47:401:56:377:3018:09
7:29
+0:12
30K
18.64 mi13:11:532:20:507:3324:13
7:48
+0:19
20M
20.00 mi13:22:382:31:357:3510:45
7:55
+0:07
21M
21.00 mi13:31:032:40:007:378:25
8:25
+0:30
35K
21.75 mi13:36:442:45:417:375:41
7:36
-0:49
23M
23.00 mi13:46:412:55:387:389:57
7:57
+0:21
24M
24.00 mi13:54:293:03:267:397:48
7:48
-0:09
40K
24.85 mi14:01:283:10:257:406:59
8:10
+0:22
25.2M
25.20 mi14:04:343:13:317:413:06
8:59
+0:49
Finish
26.22 mi14:12:183:21:157:417:44
7:35
-1:24

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

7:17 /mi

Average Pace

7:41 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:58

2% of race

Time at Steady Pace

2:37:05

78% of race

Time at Slower Pace

39:12

19% of race

Average Pace: 7:41 /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 mi11:14:4223:397:3723:39
7:37
#13228
10K
6.21 mi11:37:5446:517:3223:12
7:28
#12484
15K
9.32 mi12:01:151:10:127:3223:21
7:31
#12258
20K
12.43 mi12:24:331:33:307:3123:18
7:30
#11844
Half
13.11 mi12:29:311:38:287:314:58
7:17
#11730
25K
15.53 mi12:47:401:56:377:3018:09
7:29
#11394
30K
18.64 mi13:11:532:20:507:3324:13
7:48
#11079
20M
20.00 mi13:22:382:31:357:3510:45
7:55
#10922
21M
21.00 mi13:31:032:40:007:378:25
8:25
#10833
35K
21.75 mi13:36:442:45:417:375:41
7:36
#10758
23M
23.00 mi13:46:412:55:387:389:57
7:57
#10636
24M
24.00 mi13:54:293:03:267:397:48
7:48
#10565
40K
24.85 mi14:01:283:10:257:406:59
8:10
#10569
25.2M
25.20 mi14:04:343:13:317:413:06
8:59
#10563
Finish
26.22 mi14:12:183:21:157:417:44
7:35
#10505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132283451345111906(Top 42%)2849(Top 23%)2849(Top 52%)
10K6.21 mi3.10 mi12484+7443060+3913060+39111799(Top 42%)2713(Top 22%)2713(Top 50%)
15K9.32 mi3.11 mi12258+2262977+832977+8311906(Top 42%)2849(Top 23%)2849(Top 52%)
20K12.43 mi3.11 mi11844+4142783+1942783+19410781(Top 38%)2359(Top 19%)2359(Top 43%)
Half13.11 mi0.68 mi11730+1142729+542729+549912(Top 35%)1928(Top 16%)1928(Top 35%)
25K15.53 mi2.42 mi11394+3362591+1382591+1389867(Top 35%)2053(Top 17%)2053(Top 38%)
30K18.64 mi3.11 mi11079+3152509+822509+829905(Top 35%)2247(Top 18%)2247(Top 41%)
20M20.00 mi1.36 mi10922+1572466+432466+439844(Top 35%)2369(Top 19%)2369(Top 43%)
21M21.00 mi1.00 mi10833+892465+12465+19972(Top 35%)2595(Top 21%)2595(Top 47%)
35K21.75 mi0.75 mi10758+752443+222443+229367(Top 33%)2308(Top 19%)2308(Top 42%)
23M23.00 mi1.25 mi10636+1222421+222421+229653(Top 34%)2572(Top 21%)2572(Top 47%)
24M24.00 mi1.00 mi10565+712423-22423-29832(Top 35%)2720(Top 22%)2720(Top 50%)
40K24.85 mi0.85 mi10569-42448-252448-2511380(Top 40%)3589(Top 29%)3589(Top 66%)
25.2M25.20 mi0.35 mi10563+62466-182466-1811771(Top 41%)3847(Top 31%)3847(Top 70%)
Finish26.22 mi1.02 mi10505+582477-112477-119861(Top 35%)2920(Top 24%)2920(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11906

Females

2849

F18-39

2849

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11799

Females

2713

F18-39

2713

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11906

Females

2849

F18-39

2849

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10781

Females

2359

F18-39

2359

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9912

Females

1928

F18-39

1928

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9867

Females

2053

F18-39

2053

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9905

Females

2247

F18-39

2247

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9844

Females

2369

F18-39

2369

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9972

Females

2595

F18-39

2595

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

9367

Females

2308

F18-39

2308

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9653

Females

2572

F18-39

2572

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9832

Females

2720

F18-39

2720

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11380

Females

3589

F18-39

3589

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11771

Females

3847

F18-39

3847

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9861

Females

2920

F18-39

2920

Passing Analysis

Category:
Athletes Passed
3350
Passed By
627
Net Change
+2723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13228
5K → 10K80864+744#13228#12484
10K → 15K31589+226#12484#12258
15K → 20K44329+414#12258#11844
20K → Half1140+114#11844#11730
Half → 25K35519+336#11730#11394
25K → 30K39883+315#11394#11079
30K → 20M19437+157#11079#10922
20M → 21M13647+89#10922#10833
21M → 35K9823+75#10833#10758
35K → 23M16240+122#10758#10636
23M → 24M11140+71#10636#10565
24M → 40K6266-4#10565#10569
40K → 25.2M4741+6#10569#10563
25.2M → Finish10749+58#10563#10505
TOTALS3350627+2723
📊

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