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BOSTON MARATHON 2025

Kysa Fredrickson

Bib: 28104•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
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
10:14/mi
31:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:07/mi
1:03:14
↑ 79↓ 1380.4%
15K· 9.32 mi
10:20/mi
1:35:21
↑ 67↓ 78
20K· 12.43 mi
10:28/mi
2:07:53
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:15:01
↑ 19↓ 370.5%
25K· 15.53 mi
10:49/mi
2:41:14
↑ 66↓ 880.2%
30K· 18.64 mi
11:36/mi
3:17:17
↑ 181↓ 1480.2%
20M
11:32/mi
3:32:58
↑ 64↓ 500.2%
21M
12:38/mi
3:45:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:56/mi
3:53:47
↑ 17↓ 861.7%
23M
11:45/mi
4:08:30
↑ 23↓ 630.6%
24M
10:53/mi
4:19:23
↓ 821.3%
40K· 24.85 mi
11:13/mi
4:28:58
↓ 200.3%
25.2M
12:11/mi
4:33:10
↑ 13↓ 160.2%
Finish· 26.22 mi
10:30/mi
4:43:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:01
Pace10:18 /mi
2nd Half
Distance13.11 mi
Time2:28:51
Pace11:21 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4231:4810:1431:48
10:14
-
10K
6.21 mi12:20:081:03:1410:1131:26
10:07
-0:07
15K
9.32 mi12:52:151:35:2110:1432:07
10:20
+0:13
20K
12.43 mi13:24:472:07:5310:1732:32
10:28
+0:08
Half
13.11 mi13:31:552:15:0110:187:08
10:27
-0:01
25K
15.53 mi13:58:082:41:1410:2326:13
10:49
+0:22
30K
18.64 mi14:34:113:17:1710:3536:03
11:36
+0:47
20M
20.00 mi14:49:523:32:5810:3915:41
11:32
-0:04
21M
21.00 mi15:02:303:45:3610:4512:38
12:38
+1:06
35K
21.75 mi15:10:413:53:4710:458:11
10:56
-1:42
23M
23.00 mi15:25:244:08:3010:4814:43
11:45
+0:49
24M
24.00 mi15:36:174:19:2310:4810:53
10:53
-0:52
40K
24.85 mi15:45:524:28:5810:499:35
11:13
+0:20
25.2M
25.20 mi15:50:044:33:1010:504:12
12:11
+0:58
Finish
26.22 mi16:00:464:43:5210:5010:42
10:30
-1:41

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

10:07 /mi

Average Pace

10:50 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:43

51% of race

Time at Steady Pace

54:52

19% of race

Time at Slower Pace

1:23:17

29% of race

Average Pace: 10:50 /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 mi11:48:4231:4810:1431:48
10:14
#26149
10K
6.21 mi12:20:081:03:1410:1131:26
10:07
#25866
15K
9.32 mi12:52:151:35:2110:1432:07
10:20
#25782
20K
12.43 mi13:24:472:07:5310:1732:32
10:28
#25592
Half
13.11 mi13:31:552:15:0110:187:08
10:27
#25603
25K
15.53 mi13:58:082:41:1410:2326:13
10:49
#25465
30K
18.64 mi14:34:113:17:1710:3536:03
11:36
#25384
20M
20.00 mi14:49:523:32:5810:3915:41
11:32
#25333
21M
21.00 mi15:02:303:45:3610:4512:38
12:38
#25289
35K
21.75 mi15:10:413:53:4710:458:11
10:56
#25264
23M
23.00 mi15:25:244:08:3010:4814:43
11:45
#25227
24M
24.00 mi15:36:174:19:2310:4810:53
10:53
#25181
40K
24.85 mi15:45:524:28:5810:499:35
11:13
#25139
25.2M
25.20 mi15:50:044:33:1010:504:12
12:11
#25123
Finish
26.22 mi16:00:464:43:5210:5010:42
10:30
#25107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26149108401084025654(Top 90%)10590(Top 87%)10590(Top 616%)
10K6.21 mi3.10 mi25866+28310693+14710693+14725559(Top 90%)10560(Top 86%)10560(Top 615%)
15K9.32 mi3.11 mi25782+8410658+3510658+3525654(Top 90%)10590(Top 87%)10590(Top 616%)
20K12.43 mi3.11 mi25592+19010558+10010558+10025136(Top 88%)10338(Top 85%)10338(Top 602%)
Half13.11 mi0.68 mi25603-1110562-410562-425699(Top 90%)10659(Top 87%)10659(Top 620%)
25K15.53 mi2.42 mi25465+13810502+6010502+6024930(Top 88%)10248(Top 84%)10248(Top 597%)
30K18.64 mi3.11 mi25384+8110497+510497+524997(Top 88%)10412(Top 85%)10412(Top 606%)
20M20.00 mi1.36 mi25333+5110486+1110486+1124592(Top 87%)10267(Top 84%)10267(Top 598%)
21M21.00 mi1.00 mi25289+4410471+1510471+1524560(Top 86%)10327(Top 84%)10327(Top 601%)
35K21.75 mi0.75 mi25264+2510461+1010461+1024050(Top 85%)10090(Top 83%)10090(Top 587%)
23M23.00 mi1.25 mi25227+3710453+810453+824669(Top 87%)10433(Top 85%)10433(Top 607%)
24M24.00 mi1.00 mi25181+4610438+1510438+1523719(Top 84%)9990(Top 82%)9990(Top 581%)
40K24.85 mi0.85 mi25139+4210423+1510423+1523559(Top 83%)9969(Top 82%)9969(Top 580%)
25.2M25.20 mi0.35 mi25123+1610419+410419+423530(Top 83%)9933(Top 81%)9933(Top 578%)
Finish26.22 mi1.02 mi25107+1610417+210417+224259(Top 85%)10295(Top 84%)10295(Top 599%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

25654

Females

10590

F40-44

10590

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

25559

Females

10560

F40-44

10560

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

25654

Females

10590

F40-44

10590

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25136

Females

10338

F40-44

10338

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

25699

Females

10659

F40-44

10659

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24930

Females

10248

F40-44

10248

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

24997

Females

10412

F40-44

10412

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24592

Females

10267

F40-44

10267

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24560

Females

10327

F40-44

10327

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24050

Females

10090

F40-44

10090

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24669

Females

10433

F40-44

10433

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

23719

Females

9990

F40-44

9990

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23559

Females

9969

F40-44

9969

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23530

Females

9933

F40-44

9933

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24259

Females

10295

F40-44

10295

Passing Analysis

Category:
Athletes Passed
1515
Passed By
473
Net Change
+1042
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26149
5K → 10K34259+283#26149#25866
10K → 15K17389+84#25866#25782
15K → 20K22939+190#25782#25592
20K → Half1526-11#25592#25603
Half → 25K17638+138#25603#25465
25K → 30K16483+81#25465#25384
30K → 20M8130+51#25384#25333
20M → 21M6824+44#25333#25289
21M → 35K4015+25#25289#25264
35K → 23M6124+37#25264#25227
23M → 24M6216+46#25227#25181
24M → 40K508+42#25181#25139
40K → 25.2M182+16#25139#25123
25.2M → Finish3620+16#25123#25107
TOTALS1515473+1042
📊

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