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BOSTON MARATHON 2025

Karen Harte

Bib: 23519•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:10
Rank: #19448
Start → 5K
26:10 | 8:25/mi
10K· 6.21 mi
53:03
Rank: #20068 (-620)
5K → 10K
26:53 | 8:39/mi
15K· 9.32 mi
1:20:34
Rank: #20444 (-376)
10K → 15K
27:31 | 8:51/mi
20K· 12.43 mi
1:49:02
Rank: #20794 (-350)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:55:15
Rank: #20878 (-84)
20K → Half
6:13 | 9:07/mi
25K· 15.53 mi
2:17:50
Rank: #20958 (-80)
Half → 25K
22:35 | 9:19/mi
30K· 18.64 mi
2:49:26
Rank: #21292 (-334)
25K → 30K
31:36 | 10:10/mi
20M
3:03:47
Rank: #21408 (-116)
30K → 20M
14:21 | 10:34/mi
21M
3:14:46
Rank: #21420 (-12)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:22:27
Rank: #21499 (-79)
21M → 35K
7:41 | 10:16/mi
23M
3:35:26
Rank: #21493 (+6)
35K → 23M
12:59 | 10:22/mi
24M
3:45:16
Rank: #21460 (+33)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:53:54
Rank: #21425 (+35)
24M → 40K
8:38 | 10:06/mi
25.2M
3:57:35
Rank: #21388 (+37)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
4:07:02
Rank: #21348 (+40)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:15
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:11:47
Pace10:03 /mi
📊Positive Split: 14.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:1426:108:2526:10
8:25
-
10K
6.21 mi11:51:0753:038:3226:53
8:39
+0:14
15K
9.32 mi12:18:381:20:348:3927:31
8:51
+0:12
20K
12.43 mi12:47:061:49:028:4628:28
9:10
+0:19
Half
13.11 mi12:53:191:55:158:476:13
9:07
-0:03
25K
15.53 mi13:15:542:17:508:5222:35
9:19
+0:12
30K
18.64 mi13:47:302:49:269:0531:36
10:10
+0:51
20M
20.00 mi14:01:513:03:479:1114:21
10:34
+0:24
21M
21.00 mi14:12:503:14:469:1610:59
10:59
+0:25
35K
21.75 mi14:20:313:22:279:197:41
10:16
-0:43
23M
23.00 mi14:33:303:35:269:2212:59
10:22
+0:06
24M
24.00 mi14:43:203:45:169:239:50
9:50
-0:32
40K
24.85 mi14:51:583:53:549:258:38
10:06
+0:16
25.2M
25.20 mi14:55:393:57:359:263:41
10:41
+0:35
Finish
26.22 mi15:05:064:07:029:269:27
9:16
-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

8:25 /mi

Average Pace

9:26 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:17

60% of race

Time at Steady Pace

50:04

20% of race

Time at Slower Pace

49:41

20% of race

Average Pace: 9:25 /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 mi11:24:1426:108:2526:10
8:25
#19448
10K
6.21 mi11:51:0753:038:3226:53
8:39
#20068
15K
9.32 mi12:18:381:20:348:3927:31
8:51
#20444
20K
12.43 mi12:47:061:49:028:4628:28
9:10
#20794
Half
13.11 mi12:53:191:55:158:476:13
9:07
#20878
25K
15.53 mi13:15:542:17:508:5222:35
9:19
#20958
30K
18.64 mi13:47:302:49:269:0531:36
10:10
#21292
20M
20.00 mi14:01:513:03:479:1114:21
10:34
#21408
21M
21.00 mi14:12:503:14:469:1610:59
10:59
#21420
35K
21.75 mi14:20:313:22:279:197:41
10:16
#21499
23M
23.00 mi14:33:303:35:269:2212:59
10:22
#21493
24M
24.00 mi14:43:203:45:169:239:50
9:50
#21460
40K
24.85 mi14:51:583:53:549:258:38
10:06
#21425
25.2M
25.20 mi14:55:393:57:359:263:41
10:41
#21388
Finish
26.22 mi15:05:064:07:029:269:27
9:16
#21348
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi194487167716721321(Top 75%)8179(Top 67%)8179(Top 628%)
10K6.21 mi3.10 mi20068-6207512-3457512-34520631(Top 73%)7820(Top 64%)7820(Top 600%)
15K9.32 mi3.11 mi20444-3767726-2147726-21421321(Top 75%)8179(Top 67%)8179(Top 628%)
20K12.43 mi3.11 mi20794-3507926-2007926-20021750(Top 77%)8458(Top 69%)8458(Top 649%)
Half13.11 mi0.68 mi20878-847965-397965-3922284(Top 78%)8766(Top 72%)8766(Top 673%)
25K15.53 mi2.42 mi20958-808015-508015-5021250(Top 75%)8232(Top 67%)8232(Top 632%)
30K18.64 mi3.11 mi21292-3348245-2308245-23022114(Top 78%)8828(Top 72%)8828(Top 678%)
20M20.00 mi1.36 mi21408-1168331-868331-8622600(Top 80%)9204(Top 75%)9204(Top 706%)
21M21.00 mi1.00 mi21420-128347-168347-1621364(Top 75%)8630(Top 71%)8630(Top 662%)
35K21.75 mi0.75 mi21499-798401-548401-5422618(Top 80%)9341(Top 76%)9341(Top 717%)
23M23.00 mi1.25 mi21493+68428-278428-2721652(Top 76%)8893(Top 73%)8893(Top 683%)
24M24.00 mi1.00 mi21460+338429-18429-120855(Top 73%)8527(Top 70%)8527(Top 654%)
40K24.85 mi0.85 mi21425+358431-28431-220784(Top 73%)8553(Top 70%)8553(Top 656%)
25.2M25.20 mi0.35 mi21388+378421+108421+1019711(Top 69%)8022(Top 66%)8022(Top 616%)
Finish26.22 mi1.02 mi21348+408416+58416+520294(Top 71%)8292(Top 68%)8292(Top 636%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21321

Females

8179

F50-54

8179

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20631

Females

7820

F50-54

7820

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21321

Females

8179

F50-54

8179

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21750

Females

8458

F50-54

8458

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22284

Females

8766

F50-54

8766

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21250

Females

8232

F50-54

8232

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22114

Females

8828

F50-54

8828

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22600

Females

9204

F50-54

9204

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21364

Females

8630

F50-54

8630

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22618

Females

9341

F50-54

9341

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21652

Females

8893

F50-54

8893

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20855

Females

8527

F50-54

8527

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20784

Females

8553

F50-54

8553

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19711

Females

8022

F50-54

8022

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20294

Females

8292

F50-54

8292

Passing Analysis

Category:
Athletes Passed
1042
Passed By
2942
Net Change
-1900
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19448
5K → 10K86706-620#19448#20068
10K → 15K88464-376#20068#20444
15K → 20K95445-350#20444#20794
20K → Half892-84#20794#20878
Half → 25K123203-80#20878#20958
25K → 30K119453-334#20958#21292
30K → 20M73189-116#21292#21408
20M → 21M7688-12#21408#21420
21M → 35K35114-79#21420#21499
35K → 23M8882+6#21499#21493
23M → 24M7340+33#21493#21460
24M → 40K7136+35#21460#21425
40K → 25.2M414+37#21425#21388
25.2M → Finish6626+40#21388#21348
TOTALS10422942-1900
📊

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