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BOSTON MARATHON 2025

Kathleen Felten

Bib: 30236•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:13
Rank: #21325
Start → 5K
27:13 | 8:46/mi
10K· 6.21 mi
54:31
Rank: #21316 (+9)
5K → 10K
27:18 | 8:47/mi
15K· 9.32 mi
1:21:46
Rank: #21110 (+206)
10K → 15K
27:15 | 8:46/mi
20K· 12.43 mi
1:49:38
Rank: #21033 (+77)
15K → 20K
27:52 | 8:58/mi
Half· 13.11 mi
1:55:39
Rank: #21040 (-7)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:18:30
Rank: #21179 (-139)
Half → 25K
22:51 | 9:25/mi
30K· 18.64 mi
2:48:43
Rank: #21112 (+67)
25K → 30K
30:13 | 9:44/mi
20M
3:03:39
Rank: #21384 (-272)
30K → 20M
14:56 | 10:59/mi
21M
3:16:23
Rank: #21727 (-343)
20M → 21M
12:44 | 12:44/mi
35K· 21.75 mi
3:24:30
Rank: #21846 (-119)
21M → 35K
8:07 | 10:51/mi
23M
3:37:39
Rank: #21833 (+13)
35K → 23M
13:09 | 10:30/mi
24M
3:48:50
Rank: #21972 (-139)
23M → 24M
11:11 | 11:11/mi
40K· 24.85 mi
3:59:20
Rank: #22173 (-201)
24M → 40K
10:30 | 12:17/mi
25.2M
4:04:15
Rank: #22280 (-107)
40K → 25.2M
4:55 | 14:15/mi
Finish· 26.22 mi
4:15:05
Rank: #22361 (-81)
25.2M → Finish
10:50 | 10:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:39
Pace8:49 /mi
2nd Half
Distance13.11 mi
Time2:19:26
Pace10:38 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0127:138:4627:13
8:46
-
10K
6.21 mi12:14:1954:318:4627:18
8:47
+0:01
15K
9.32 mi12:41:341:21:468:4627:15
8:46
-0:01
20K
12.43 mi13:09:261:49:388:4927:52
8:58
+0:12
Half
13.11 mi13:15:271:55:398:496:01
8:49
-0:09
25K
15.53 mi13:38:182:18:308:5522:51
9:25
+0:36
30K
18.64 mi14:08:312:48:439:0330:13
9:44
+0:19
20M
20.00 mi14:23:273:03:399:1114:56
10:59
+1:15
21M
21.00 mi14:36:113:16:239:2112:44
12:44
+1:45
35K
21.75 mi14:44:183:24:309:248:07
10:51
-1:53
23M
23.00 mi14:57:273:37:399:2813:09
10:30
-0:21
24M
24.00 mi15:08:383:48:509:3211:11
11:11
+0:41
40K
24.85 mi15:19:083:59:209:3810:30
12:17
+1:06
25.2M
25.20 mi15:24:034:04:159:424:55
14:15
+1:58
Finish
26.22 mi15:34:534:15:059:4410:50
10:38
-3:37

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

8:46 /mi

Average Pace

9:44 /mi

Slowest Pace

14:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:30

54% of race

Time at Steady Pace

1:28:26

35% of race

Time at Slower Pace

28:09

11% of race

Average Pace: 9:44 /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 mi11:47:0127:138:4627:13
8:46
#21325
10K
6.21 mi12:14:1954:318:4627:18
8:47
#21316
15K
9.32 mi12:41:341:21:468:4627:15
8:46
#21110
20K
12.43 mi13:09:261:49:388:4927:52
8:58
#21033
Half
13.11 mi13:15:271:55:398:496:01
8:49
#21040
25K
15.53 mi13:38:182:18:308:5522:51
9:25
#21179
30K
18.64 mi14:08:312:48:439:0330:13
9:44
#21112
20M
20.00 mi14:23:273:03:399:1114:56
10:59
#21384
21M
21.00 mi14:36:113:16:239:2112:44
12:44
#21727
35K
21.75 mi14:44:183:24:309:248:07
10:51
#21846
23M
23.00 mi14:57:273:37:399:2813:09
10:30
#21833
24M
24.00 mi15:08:383:48:509:3211:11
11:11
#21972
40K
24.85 mi15:19:083:59:209:3810:30
12:17
#22173
25.2M
25.20 mi15:24:034:04:159:424:55
14:15
#22280
Finish
26.22 mi15:34:534:15:059:4410:50
10:38
#22361
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213258253825320894(Top 74%)7943(Top 65%)7943(Top 145%)
10K6.21 mi3.10 mi21316+98226+278226+2721357(Top 75%)8230(Top 67%)8230(Top 150%)
15K9.32 mi3.11 mi21110+2068096+1308096+13020894(Top 74%)7943(Top 65%)7943(Top 145%)
20K12.43 mi3.11 mi21033+778052+448052+4420821(Top 73%)7962(Top 65%)7962(Top 146%)
Half13.11 mi0.68 mi21040-78053-18053-121051(Top 74%)8084(Top 66%)8084(Top 148%)
25K15.53 mi2.42 mi21179-1398143-908143-9021641(Top 76%)8450(Top 69%)8450(Top 155%)
30K18.64 mi3.11 mi21112+678146-38146-320772(Top 73%)8104(Top 66%)8104(Top 148%)
20M20.00 mi1.36 mi21384-2728317-1718317-17123559(Top 83%)9715(Top 79%)9715(Top 178%)
21M21.00 mi1.00 mi21727-3438510-1938510-19324715(Top 87%)10412(Top 85%)10412(Top 190%)
35K21.75 mi0.75 mi21846-1198594-848594-8423920(Top 84%)10011(Top 82%)10011(Top 183%)
23M23.00 mi1.25 mi21833+138627-338627-3322038(Top 78%)9088(Top 74%)9088(Top 166%)
24M24.00 mi1.00 mi21972-1398723-968723-9624363(Top 86%)10303(Top 84%)10303(Top 188%)
40K24.85 mi0.85 mi22173-2018852-1298852-12925360(Top 89%)10847(Top 89%)10847(Top 198%)
25.2M25.20 mi0.35 mi22280-1078914-628914-6226558(Top 94%)11450(Top 94%)11450(Top 209%)
Finish26.22 mi1.02 mi22361-818977-638977-6324583(Top 87%)10445(Top 85%)10445(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20894

Females

7943

F18-39

7943

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21357

Females

8230

F18-39

8230

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20894

Females

7943

F18-39

7943

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20821

Females

7962

F18-39

7962

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21051

Females

8084

F18-39

8084

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21641

Females

8450

F18-39

8450

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20772

Females

8104

F18-39

8104

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23559

Females

9715

F18-39

9715

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

24715

Females

10412

F18-39

10412

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23920

Females

10011

F18-39

10011

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22038

Females

9088

F18-39

9088

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

24363

Females

10303

F18-39

10303

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25360

Females

10847

F18-39

10847

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26558

Females

11450

F18-39

11450

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24583

Females

10445

F18-39

10445

Passing Analysis

Category:
Athletes Passed
1412
Passed By
2448
Net Change
-1036
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21325
5K → 10K288279+9#21325#21316
10K → 15K30397+206#21316#21110
15K → 20K230153+77#21110#21033
20K → Half3037-7#21033#21040
Half → 25K106245-139#21040#21179
25K → 30K234167+67#21179#21112
30K → 20M46318-272#21112#21384
20M → 21M16359-343#21384#21727
21M → 35K20139-119#21727#21846
35K → 23M8875+13#21846#21833
23M → 24M20159-139#21833#21972
24M → 40K10211-201#21972#22173
40K → 25.2M3110-107#22173#22280
25.2M → Finish1899-81#22280#22361
TOTALS14122448-1036
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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