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BOSTON MARATHON 2025

Kristin Hadenfeldt

Bib: 22144•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 47%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:58
Rank: #19064
Start → 5K
25:58 | 8:21/mi
10K· 6.21 mi
52:19
Rank: #19368 (-304)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:18:28
Rank: #19148 (+220)
10K → 15K
26:09 | 8:25/mi
20K· 12.43 mi
1:44:45
Rank: #18829 (+319)
15K → 20K
26:17 | 8:28/mi
Half· 13.11 mi
1:50:19
Rank: #18739 (+90)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:11:29
Rank: #18686 (+53)
Half → 25K
21:10 | 8:44/mi
30K· 18.64 mi
2:42:22
Rank: #19370 (-684)
25K → 30K
30:53 | 9:56/mi
20M
2:54:37
Rank: #19178 (+192)
30K → 20M
12:15 | 9:01/mi
21M
3:04:22
Rank: #19070 (+108)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
3:10:41
Rank: #18922 (+148)
21M → 35K
6:19 | 8:27/mi
23M
3:21:51
Rank: #18734 (+188)
35K → 23M
11:10 | 8:55/mi
24M
3:30:41
Rank: #18633 (+101)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:38:33
Rank: #18574 (+59)
24M → 40K
7:52 | 9:12/mi
25.2M
3:41:53
Rank: #18512 (+62)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:50:32
Rank: #18439 (+73)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:00:13
Pace9:10 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5625:588:2125:58
8:21
-
10K
6.21 mi11:48:1752:198:2526:21
8:29
+0:08
15K
9.32 mi12:14:261:18:288:2526:09
8:25
-0:04
20K
12.43 mi12:40:431:44:458:2626:17
8:28
+0:03
Half
13.11 mi12:46:171:50:198:255:34
8:10
-0:18
25K
15.53 mi13:07:272:11:298:2821:10
8:44
+0:34
30K
18.64 mi13:38:202:42:228:4330:53
9:56
+1:12
20M
20.00 mi13:50:352:54:378:4412:15
9:01
-0:55
21M
21.00 mi14:00:203:04:228:479:45
9:45
+0:44
35K
21.75 mi14:06:393:10:418:466:19
8:27
-1:18
23M
23.00 mi14:17:493:21:518:4711:10
8:55
+0:28
24M
24.00 mi14:26:393:30:418:478:50
8:50
-0:05
40K
24.85 mi14:34:313:38:338:487:52
9:12
+0:22
25.2M
25.20 mi14:37:513:41:538:483:20
9:40
+0:28
Finish
26.22 mi14:46:303:50:328:488:39
8:29
-1:11

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

8:10 /mi

Average Pace

8:48 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:00

28% of race

Time at Steady Pace

1:42:27

44% of race

Time at Slower Pace

1:04:05

28% of race

Average Pace: 8:48 /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 mi11:21:5625:588:2125:58
8:21
#19064
10K
6.21 mi11:48:1752:198:2526:21
8:29
#19368
15K
9.32 mi12:14:261:18:288:2526:09
8:25
#19148
20K
12.43 mi12:40:431:44:458:2626:17
8:28
#18829
Half
13.11 mi12:46:171:50:198:255:34
8:10
#18739
25K
15.53 mi13:07:272:11:298:2821:10
8:44
#18686
30K
18.64 mi13:38:202:42:228:4330:53
9:56
#19370
20M
20.00 mi13:50:352:54:378:4412:15
9:01
#19178
21M
21.00 mi14:00:203:04:228:479:45
9:45
#19070
35K
21.75 mi14:06:393:10:418:466:19
8:27
#18922
23M
23.00 mi14:17:493:21:518:4711:10
8:55
#18734
24M
24.00 mi14:26:393:30:418:478:50
8:50
#18633
40K
24.85 mi14:34:313:38:338:487:52
9:12
#18574
25.2M
25.20 mi14:37:513:41:538:483:20
9:40
#18512
Finish
26.22 mi14:46:303:50:328:488:39
8:29
#18439
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190646946694618820(Top 66%)6792(Top 56%)6792(Top 375%)
10K6.21 mi3.10 mi19368-3047103-1577103-15719698(Top 69%)7302(Top 60%)7302(Top 403%)
15K9.32 mi3.11 mi19148+2206986+1176986+11718820(Top 66%)6792(Top 56%)6792(Top 375%)
20K12.43 mi3.11 mi18829+3196809+1776809+17717960(Top 63%)6320(Top 52%)6320(Top 349%)
Half13.11 mi0.68 mi18739+906755+546755+5417098(Top 60%)5836(Top 48%)5836(Top 322%)
25K15.53 mi2.42 mi18686+536739+166739+1618586(Top 65%)6747(Top 55%)6747(Top 372%)
30K18.64 mi3.11 mi19370-6847172-4337172-43321423(Top 75%)8465(Top 69%)8465(Top 467%)
20M20.00 mi1.36 mi19178+1927080+927080+9216881(Top 59%)6080(Top 50%)6080(Top 335%)
21M21.00 mi1.00 mi19070+1087043+377043+3717282(Top 61%)6422(Top 53%)6422(Top 354%)
35K21.75 mi0.75 mi18922+1486982+616982+6115188(Top 53%)5350(Top 44%)5350(Top 295%)
23M23.00 mi1.25 mi18734+1886898+846898+8415830(Top 56%)5801(Top 47%)5801(Top 320%)
24M24.00 mi1.00 mi18633+1016863+356863+3516526(Top 58%)6224(Top 51%)6224(Top 343%)
40K24.85 mi0.85 mi18574+596862+16862+117378(Top 61%)6796(Top 56%)6796(Top 375%)
25.2M25.20 mi0.35 mi18512+626840+226840+2215526(Top 55%)5850(Top 48%)5850(Top 323%)
Finish26.22 mi1.02 mi18439+736826+146826+1416188(Top 57%)6132(Top 50%)6132(Top 338%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

18820

Females

6792

F45-49

6792

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19698

Females

7302

F45-49

7302

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

18820

Females

6792

F45-49

6792

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17960

Females

6320

F45-49

6320

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17098

Females

5836

F45-49

5836

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18586

Females

6747

F45-49

6747

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21423

Females

8465

F45-49

8465

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16881

Females

6080

F45-49

6080

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17282

Females

6422

F45-49

6422

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

15188

Females

5350

F45-49

5350

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15830

Females

5801

F45-49

5801

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16526

Females

6224

F45-49

6224

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17378

Females

6796

F45-49

6796

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15526

Females

5850

F45-49

5850

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16188

Females

6132

F45-49

6132

Passing Analysis

Category:
Athletes Passed
2313
Passed By
1688
Net Change
+625
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19064
5K → 10K139443-304#19064#19368
10K → 15K320100+220#19368#19148
15K → 20K37455+319#19148#18829
20K → Half999+90#18829#18739
Half → 25K182129+53#18739#18686
25K → 30K80764-684#18686#19370
30K → 20M21422+192#19370#19178
20M → 21M14840+108#19178#19070
21M → 35K1546+148#19070#18922
35K → 23M20921+188#18922#18734
23M → 24M11312+101#18734#18633
24M → 40K11051+59#18633#18574
40K → 25.2M697+62#18574#18512
25.2M → Finish10229+73#18512#18439
TOTALS23131688+625
📊

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