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BOSTON MARATHON 2025

Karen Hildebrand

Bib: 27202•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
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
10:04/mi
31:16
↑ 97↓ 3451.5%
10K· 6.21 mi
9:59/mi
1:02:18
↑ 79↓ 1380.4%
15K· 9.32 mi
10:12/mi
1:33:58
↑ 67↓ 78
20K· 12.43 mi
11:00/mi
2:08:08
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:15:37
↑ 19↓ 370.5%
25K· 15.53 mi
11:19/mi
2:43:04
↑ 66↓ 880.2%
30K· 18.64 mi
11:57/mi
3:20:11
↑ 181↓ 1480.2%
20M
12:16/mi
3:36:51
↑ 64↓ 500.2%
21M
14:12/mi
3:51:03
↑ 106↓ 241.6%
35K· 21.75 mi
11:34/mi
3:59:42
↑ 17↓ 861.7%
23M
12:36/mi
4:15:29
↑ 23↓ 630.6%
24M
13:03/mi
4:28:32
↓ 821.3%
40K· 24.85 mi
12:47/mi
4:39:28
↓ 200.3%
25.2M
11:36/mi
4:43:28
↑ 13↓ 160.2%
Finish· 26.22 mi
10:48/mi
4:54:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:37
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:38:51
Pace12:07 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4931:1610:0431:16
10:04
-
10K
6.21 mi12:18:511:02:1810:0231:02
9:59
-0:05
15K
9.32 mi12:50:311:33:5810:0531:40
10:12
+0:13
20K
12.43 mi13:24:412:08:0810:1934:10
11:00
+0:48
Half
13.11 mi13:32:102:15:3710:217:29
10:58
-0:02
25K
15.53 mi13:59:372:43:0410:3027:27
11:19
+0:21
30K
18.64 mi14:36:443:20:1110:4437:07
11:57
+0:38
20M
20.00 mi14:53:243:36:5110:5116:40
12:16
+0:19
21M
21.00 mi15:07:363:51:0311:0014:12
14:12
+1:56
35K
21.75 mi15:16:153:59:4211:018:39
11:34
-2:38
23M
23.00 mi15:32:024:15:2911:0615:47
12:36
+1:02
24M
24.00 mi15:45:054:28:3211:1113:03
13:03
+0:27
40K
24.85 mi15:56:014:39:2811:1510:56
12:47
-0:16
25.2M
25.20 mi16:00:014:43:2811:154:00
11:36
-1:11
Finish
26.22 mi16:11:014:54:2811:1411:00
10:48
-0:48

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

9:59 /mi

Average Pace

11:14 /mi

Slowest Pace

14:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:27

38% of race

Time at Steady Pace

1:51:23

38% of race

Time at Slower Pace

1:10:38

24% of race

Average Pace: 11:14 /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 mi11:47:4931:1610:0431:16
10:04
#25731
10K
6.21 mi12:18:511:02:1810:0231:02
9:59
#25507
15K
9.32 mi12:50:311:33:5810:0531:40
10:12
#25492
20K
12.43 mi13:24:412:08:0810:1934:10
11:00
#25629
Half
13.11 mi13:32:102:15:3710:217:29
10:58
#25681
25K
15.53 mi13:59:372:43:0410:3027:27
11:19
#25677
30K
18.64 mi14:36:443:20:1110:4437:07
11:57
#25657
20M
20.00 mi14:53:243:36:5110:5116:40
12:16
#25651
21M
21.00 mi15:07:363:51:0311:0014:12
14:12
#25733
35K
21.75 mi15:16:153:59:4211:018:39
11:34
#25720
23M
23.00 mi15:32:024:15:2911:0615:47
12:36
#25761
24M
24.00 mi15:45:054:28:3211:1113:03
13:03
#25833
40K
24.85 mi15:56:014:39:2811:1510:56
12:47
#25864
25.2M
25.20 mi16:00:014:43:2811:154:00
11:36
#25830
Finish
26.22 mi16:11:014:54:2811:1411:00
10:48
#25818
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25731106051060525397(Top 89%)10452(Top 85%)10452(Top 1052%)
10K6.21 mi3.10 mi25507+22410506+9910506+9925287(Top 89%)10393(Top 85%)10393(Top 1046%)
15K9.32 mi3.11 mi25492+1510492+1410492+1425397(Top 89%)10452(Top 85%)10452(Top 1052%)
20K12.43 mi3.11 mi25629-13710580-8810580-8825985(Top 91%)10802(Top 88%)10802(Top 1087%)
Half13.11 mi0.68 mi25681-5210609-2910609-2926440(Top 93%)11084(Top 91%)11084(Top 1115%)
25K15.53 mi2.42 mi25677+410616-710616-725639(Top 90%)10657(Top 87%)10657(Top 1072%)
30K18.64 mi3.11 mi25657+2010649-3310649-3325514(Top 90%)10683(Top 87%)10683(Top 1075%)
20M20.00 mi1.36 mi25651+610659-1010659-1025612(Top 90%)10807(Top 88%)10807(Top 1087%)
21M21.00 mi1.00 mi25733-8210709-5010709-5026435(Top 93%)11274(Top 92%)11274(Top 1134%)
35K21.75 mi0.75 mi25720+1310704+510704+525169(Top 89%)10680(Top 87%)10680(Top 1074%)
23M23.00 mi1.25 mi25761-4110742-3810742-3825925(Top 91%)11063(Top 90%)11063(Top 1113%)
24M24.00 mi1.00 mi25833-7210788-4610788-4626903(Top 95%)11588(Top 95%)11588(Top 1166%)
40K24.85 mi0.85 mi25864-3110809-2110809-2126034(Top 92%)11159(Top 91%)11159(Top 1123%)
25.2M25.20 mi0.35 mi25830+3410801+810801+822240(Top 78%)9290(Top 76%)9290(Top 935%)
Finish26.22 mi1.02 mi25818+1210803-210803-224922(Top 88%)10621(Top 87%)10621(Top 1069%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25397

Females

10452

F55-59

10452

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25287

Females

10393

F55-59

10393

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25397

Females

10452

F55-59

10452

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25985

Females

10802

F55-59

10802

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26440

Females

11084

F55-59

11084

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

25639

Females

10657

F55-59

10657

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25514

Females

10683

F55-59

10683

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25612

Females

10807

F55-59

10807

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26435

Females

11274

F55-59

11274

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25169

Females

10680

F55-59

10680

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25925

Females

11063

F55-59

11063

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26903

Females

11588

F55-59

11588

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26034

Females

11159

F55-59

11159

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22240

Females

9290

F55-59

9290

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24922

Females

10621

F55-59

10621

Passing Analysis

Category:
Athletes Passed
992
Passed By
1079
Net Change
-87
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25731
5K → 10K31389+224#25731#25507
10K → 15K129114+15#25507#25492
15K → 20K80217-137#25492#25629
20K → Half759-52#25629#25681
Half → 25K105101+4#25681#25677
25K → 30K130110+20#25677#25657
30K → 20M5347+6#25657#25651
20M → 21M1698-82#25651#25733
21M → 35K4027+13#25733#25720
35K → 23M2768-41#25720#25761
23M → 24M1688-72#25761#25833
24M → 40K1041-31#25833#25864
40K → 25.2M362+34#25864#25830
25.2M → Finish3018+12#25830#25818
TOTALS9921079-87
📊

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