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BOSTON MARATHON 2025

Katherine Koniuch

Bib: 13697•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
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
22:16
Rank: #9220
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
44:19
Rank: #8895 (+325)
5K → 10K
22:03 | 7:06/mi
15K· 9.32 mi
1:06:30
Rank: #8793 (+102)
10K → 15K
22:11 | 7:08/mi
20K· 12.43 mi
1:30:01
Rank: #9373 (-580)
15K → 20K
23:31 | 7:34/mi
Half· 13.11 mi
1:35:14
Rank: #9547 (-174)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:55:12
Rank: #10585 (-1038)
Half → 25K
19:58 | 8:14/mi
30K· 18.64 mi
2:23:10
Rank: #12084 (-1499)
25K → 30K
27:58 | 9:00/mi
20M
2:35:59
Rank: #12719 (-635)
30K → 20M
12:49 | 9:26/mi
21M
2:45:51
Rank: #13078 (-359)
20M → 21M
9:52 | 9:52/mi
35K· 21.75 mi
2:52:21
Rank: #13209 (-131)
21M → 35K
6:30 | 8:41/mi
23M
3:03:44
Rank: #13427 (-218)
35K → 23M
11:23 | 9:05/mi
24M
3:12:40
Rank: #13614 (-187)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:20:32
Rank: #13789 (-175)
24M → 40K
7:52 | 9:12/mi
25.2M
3:23:58
Rank: #13843 (-54)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:32:40
Rank: #13940 (-97)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:14
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:57:26
Pace8:57 /mi
📊Positive Split: 23.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4322:167:1022:16
7:10
-
10K
6.21 mi11:13:4644:197:0822:03
7:06
-0:04
15K
9.32 mi11:35:571:06:307:0822:11
7:08
+0:02
20K
12.43 mi11:59:281:30:017:1523:31
7:34
+0:26
Half
13.11 mi12:04:411:35:147:165:13
7:39
+0:05
25K
15.53 mi12:24:391:55:127:2519:58
8:14
+0:35
30K
18.64 mi12:52:372:23:107:4127:58
9:00
+0:46
20M
20.00 mi13:05:262:35:597:4812:49
9:26
+0:26
21M
21.00 mi13:15:182:45:517:549:52
9:52
+0:26
35K
21.75 mi13:21:482:52:217:556:30
8:41
-1:11
23M
23.00 mi13:33:113:03:447:5911:23
9:05
+0:24
24M
24.00 mi13:42:073:12:408:028:56
8:56
-0:09
40K
24.85 mi13:49:593:20:328:047:52
9:12
+0:16
25.2M
25.20 mi13:53:253:23:588:063:26
9:57
+0:45
Finish
26.22 mi14:02:073:32:408:078:42
8:32
-1:25

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

7:06 /mi

Average Pace

8:07 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:14

45% of race

Time at Steady Pace

1:23:27

39% of race

Time at Slower Pace

33:59

16% of race

Average Pace: 8:07 /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 mi10:51:4322:167:1022:16
7:10
#9220
10K
6.21 mi11:13:4644:197:0822:03
7:06
#8895
15K
9.32 mi11:35:571:06:307:0822:11
7:08
#8793
20K
12.43 mi11:59:281:30:017:1523:31
7:34
#9373
Half
13.11 mi12:04:411:35:147:165:13
7:39
#9547
25K
15.53 mi12:24:391:55:127:2519:58
8:14
#10585
30K
18.64 mi12:52:372:23:107:4127:58
9:00
#12084
20M
20.00 mi13:05:262:35:597:4812:49
9:26
#12719
21M
21.00 mi13:15:182:45:517:549:52
9:52
#13078
35K
21.75 mi13:21:482:52:217:556:30
8:41
#13209
23M
23.00 mi13:33:113:03:447:5911:23
9:05
#13427
24M
24.00 mi13:42:073:12:408:028:56
8:56
#13614
40K
24.85 mi13:49:593:20:328:047:52
9:12
#13789
25.2M
25.20 mi13:53:253:23:588:063:26
9:57
#13843
Finish
26.22 mi14:02:073:32:408:078:42
8:32
#13940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9220147014708650(Top 30%)1289(Top 11%)1289(Top 24%)
10K6.21 mi3.10 mi8895+3251345+1251345+1258678(Top 31%)1256(Top 10%)1256(Top 23%)
15K9.32 mi3.11 mi8793+1021312+331312+338650(Top 30%)1289(Top 11%)1289(Top 24%)
20K12.43 mi3.11 mi9373-5801586-2741586-27411363(Top 40%)2667(Top 22%)2667(Top 49%)
Half13.11 mi0.68 mi9547-1741672-861672-8613059(Top 46%)3545(Top 29%)3545(Top 65%)
25K15.53 mi2.42 mi10585-10382175-5032175-50315527(Top 55%)5035(Top 41%)5035(Top 92%)
30K18.64 mi3.11 mi12084-14993038-8633038-86317707(Top 62%)6415(Top 52%)6415(Top 117%)
20M20.00 mi1.36 mi12719-6353427-3893427-38918865(Top 66%)7191(Top 59%)7191(Top 131%)
21M21.00 mi1.00 mi13078-3593647-2203647-22017772(Top 63%)6669(Top 55%)6669(Top 122%)
35K21.75 mi0.75 mi13209-1313747-1003747-10016619(Top 59%)6115(Top 50%)6115(Top 112%)
23M23.00 mi1.25 mi13427-2183914-1673914-16716771(Top 59%)6310(Top 52%)6310(Top 115%)
24M24.00 mi1.00 mi13614-1874042-1284042-12817027(Top 60%)6509(Top 53%)6509(Top 119%)
40K24.85 mi0.85 mi13789-1754178-1364178-13617354(Top 61%)6772(Top 55%)6772(Top 124%)
25.2M25.20 mi0.35 mi13843-544220-424220-4216833(Top 59%)6487(Top 53%)6487(Top 119%)
Finish26.22 mi1.02 mi13940-974285-654285-6516466(Top 58%)6276(Top 51%)6276(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8650

Females

1289

F18-39

1289

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8678

Females

1256

F18-39

1256

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8650

Females

1289

F18-39

1289

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11363

Females

2667

F18-39

2667

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13059

Females

3545

F18-39

3545

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15527

Females

5035

F18-39

5035

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17707

Females

6415

F18-39

6415

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18865

Females

7191

F18-39

7191

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17772

Females

6669

F18-39

6669

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16619

Females

6115

F18-39

6115

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16771

Females

6310

F18-39

6310

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17027

Females

6509

F18-39

6509

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17354

Females

6772

F18-39

6772

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16833

Females

6487

F18-39

6487

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16466

Females

6276

F18-39

6276

Passing Analysis

Category:
Athletes Passed
1037
Passed By
5754
Net Change
-4720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9220
5K → 10K40580+325#9220#8895
10K → 15K213111+102#8895#8793
15K → 20K60640-580#8793#9373
20K → Half4178-174#9373#9547
Half → 25K301066-1038#9547#10585
25K → 30K341532-1499#10585#12084
30K → 20M25660-635#12084#12719
20M → 21M38397-359#12719#13078
21M → 35K24155-131#13078#13209
35K → 23M56274-218#13209#13427
23M → 24M44231-187#13427#13614
24M → 40K46221-175#13614#13789
40K → 25.2M1771-54#13789#13843
25.2M → Finish41138-97#13843#13940
TOTALS10375754-4720
📊

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