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BOSTON MARATHON 2025

Kathryn Yerry

Bib: 25933•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
24:59
Rank: #16937
Start → 5K
24:59 | 8:02/mi
10K· 6.21 mi
50:04
Rank: #16965 (-28)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:15:40
Rank: #17220 (-255)
10K → 15K
25:36 | 8:14/mi
20K· 12.43 mi
1:41:59
Rank: #17387 (-167)
15K → 20K
26:19 | 8:28/mi
Half· 13.11 mi
1:47:46
Rank: #17474 (-87)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:08:47
Rank: #17544 (-70)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:36:37
Rank: #17479 (+65)
25K → 30K
27:50 | 8:58/mi
20M
2:49:19
Rank: #17557 (-78)
30K → 20M
12:42 | 9:21/mi
21M
2:58:37
Rank: #17402 (+155)
20M → 21M
9:18 | 9:18/mi
35K· 21.75 mi
3:05:14
Rank: #17384 (+18)
21M → 35K
6:37 | 8:51/mi
23M
3:16:36
Rank: #17330 (+54)
35K → 23M
11:22 | 9:05/mi
24M
3:25:37
Rank: #17339 (-9)
23M → 24M
9:01 | 9:01/mi
40K· 24.85 mi
3:33:28
Rank: #17335 (+4)
24M → 40K
7:51 | 9:11/mi
25.2M
3:36:57
Rank: #17339 (-4)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:45:35
Rank: #17288 (+51)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:46
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:57:49
Pace8:59 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:2624:598:0224:59
8:02
-
10K
6.21 mi12:05:3150:048:0325:05
8:04
+0:02
15K
9.32 mi12:31:071:15:408:0725:36
8:14
+0:10
20K
12.43 mi12:57:261:41:598:1226:19
8:28
+0:14
Half
13.11 mi13:03:131:47:468:135:47
8:29
+0:01
25K
15.53 mi13:24:142:08:478:1721:01
8:40
+0:11
30K
18.64 mi13:52:042:36:378:2427:50
8:58
+0:18
20M
20.00 mi14:04:462:49:198:2812:42
9:21
+0:23
21M
21.00 mi14:14:042:58:378:309:18
9:18
-0:03
35K
21.75 mi14:20:413:05:148:316:37
8:51
-0:27
23M
23.00 mi14:32:033:16:368:3311:22
9:05
+0:14
24M
24.00 mi14:41:043:25:378:349:01
9:01
-0:04
40K
24.85 mi14:48:553:33:288:357:51
9:11
+0:10
25.2M
25.20 mi14:52:243:36:578:373:29
10:06
+0:55
Finish
26.22 mi15:01:023:45:358:378:38
8:28
-1:38

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

8:37 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:24

52% of race

Time at Steady Pace

1:15:51

34% of race

Time at Slower Pace

33:20

15% of race

Average Pace: 8:36 /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 mi11:40:2624:598:0224:59
8:02
#16937
10K
6.21 mi12:05:3150:048:0325:05
8:04
#16965
15K
9.32 mi12:31:071:15:408:0725:36
8:14
#17220
20K
12.43 mi12:57:261:41:598:1226:19
8:28
#17387
Half
13.11 mi13:03:131:47:468:135:47
8:29
#17474
25K
15.53 mi13:24:142:08:478:1721:01
8:40
#17544
30K
18.64 mi13:52:042:36:378:2427:50
8:58
#17479
20M
20.00 mi14:04:462:49:198:2812:42
9:21
#17557
21M
21.00 mi14:14:042:58:378:309:18
9:18
#17402
35K
21.75 mi14:20:413:05:148:316:37
8:51
#17384
23M
23.00 mi14:32:033:16:368:3311:22
9:05
#17330
24M
24.00 mi14:41:043:25:378:349:01
9:01
#17339
40K
24.85 mi14:48:553:33:288:357:51
9:11
#17335
25.2M
25.20 mi14:52:243:36:578:373:29
10:06
#17339
Finish
26.22 mi15:01:023:45:358:378:38
8:28
#17288
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi169375709570917667(Top 62%)6121(Top 50%)6121(Top 112%)
10K6.21 mi3.10 mi16965-285705+45705+417030(Top 60%)5722(Top 47%)5722(Top 105%)
15K9.32 mi3.11 mi17220-2555843-1385843-13817667(Top 62%)6121(Top 50%)6121(Top 112%)
20K12.43 mi3.11 mi17387-1675969-1265969-12618033(Top 63%)6361(Top 52%)6361(Top 116%)
Half13.11 mi0.68 mi17474-876019-506019-5019067(Top 67%)6926(Top 57%)6926(Top 127%)
25K15.53 mi2.42 mi17544-706087-686087-6818200(Top 64%)6531(Top 53%)6531(Top 119%)
30K18.64 mi3.11 mi17479+656109-226109-2217461(Top 61%)6283(Top 51%)6283(Top 115%)
20M20.00 mi1.36 mi17557-786179-706179-7018512(Top 65%)7005(Top 57%)7005(Top 128%)
21M21.00 mi1.00 mi17402+1556117+626117+6215181(Top 53%)5285(Top 43%)5285(Top 97%)
35K21.75 mi0.75 mi17384+186129-126129-1217498(Top 62%)6624(Top 54%)6624(Top 121%)
23M23.00 mi1.25 mi17330+546127+26127+216718(Top 59%)6285(Top 51%)6285(Top 115%)
24M24.00 mi1.00 mi17339-96158-316158-3117470(Top 62%)6747(Top 55%)6747(Top 123%)
40K24.85 mi0.85 mi17335+46176-186176-1817277(Top 61%)6735(Top 55%)6735(Top 123%)
25.2M25.20 mi0.35 mi17339-46188-126188-1217504(Top 62%)6858(Top 56%)6858(Top 125%)
Finish26.22 mi1.02 mi17288+516183+56183+516059(Top 57%)6054(Top 50%)6054(Top 111%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17667

Females

6121

F18-39

6121

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17030

Females

5722

F18-39

5722

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17667

Females

6121

F18-39

6121

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

18033

Females

6361

F18-39

6361

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19067

Females

6926

F18-39

6926

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18200

Females

6531

F18-39

6531

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17461

Females

6283

F18-39

6283

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18512

Females

7005

F18-39

7005

20M→21M

20.0 - 21.0 mi

Top 53%
×8stories
+106ft-24ft

Overall

15181

Females

5285

F18-39

5285

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17498

Females

6624

F18-39

6624

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16718

Females

6285

F18-39

6285

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17470

Females

6747

F18-39

6747

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17277

Females

6735

F18-39

6735

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17504

Females

6858

F18-39

6858

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16059

Females

6054

F18-39

6054

Passing Analysis

Category:
Athletes Passed
1705
Passed By
2056
Net Change
-351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16937
5K → 10K283311-28#16937#16965
10K → 15K110365-255#16965#17220
15K → 20K136303-167#17220#17387
20K → Half1097-87#17387#17474
Half → 25K153223-70#17474#17544
25K → 30K252187+65#17544#17479
30K → 20M87165-78#17479#17557
20M → 21M19035+155#17557#17402
21M → 35K7254+18#17402#17384
35K → 23M14288+54#17384#17330
23M → 24M7887-9#17330#17339
24M → 40K7167+4#17339#17335
40K → 25.2M3034-4#17335#17339
25.2M → Finish9140+51#17339#17288
TOTALS17052056-351
📊

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