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BOSTON MARATHON 2025

Kathleen Cliffe

Bib: 13396•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 38%
Gender (Female)
#0 / 12228
Top 21%
Division (F18-39)
#0 / 5469
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:34
Rank: #7388
Start → 5K
6:56/mi
21:34 split
10K· 6.21 mi
43:28
Rank: #7832 (-444)
5K → 10K
7:03/mi
21:54 split
15K· 9.32 mi
1:06:07
Rank: #8428 (-596)
10K → 15K
7:17/mi
22:39 split
20K· 12.43 mi
1:30:09
Rank: #9448 (-1020)
15K → 20K
7:44/mi
24:02 split
Half· 13.11 mi
1:35:16
Rank: #9574 (-126)
20K → Half
7:30/mi
5:07 split
25K· 15.53 mi
1:54:18
Rank: #10085 (-511)
Half → 25K
7:51/mi
19:02 split
30K· 18.64 mi
2:19:34
Rank: #10472 (-387)
25K → 30K
8:08/mi
25:16 split
20M
2:30:37
Rank: #10525 (-53)
30K → 20M
8:08/mi
11:03 split
21M
2:39:14
Rank: #10545 (-20)
20M → 21M
8:37/mi
8:37 split
35K· 21.75 mi
2:45:04
Rank: #10524 (+21)
21M → 35K
7:48/mi
5:50 split
23M
2:55:35
Rank: #10623 (-99)
35K → 23M
8:24/mi
10:31 split
24M
3:03:42
Rank: #10654 (-31)
23M → 24M
8:07/mi
8:07 split
40K· 24.85 mi
3:10:46
Rank: #10681 (-27)
24M → 40K
8:16/mi
7:04 split
25.2M
3:13:56
Rank: #10695 (-14)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:22:06
Rank: #10757 (-62)
25.2M → Finish
8:01/mi
8:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:46:50
Pace8:09 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5621:346:5621:34
6:56
-
10K
6.21 mi11:13:5043:287:0021:54
7:03
+0:07
15K
9.32 mi11:36:291:06:077:0622:39
7:17
+0:14
20K
12.43 mi12:00:311:30:097:1524:02
7:44
+0:27
Half
13.11 mi12:05:381:35:167:165:07
7:30
-0:14
25K
15.53 mi12:24:401:54:187:2119:02
7:51
+0:21
30K
18.64 mi12:49:562:19:347:2925:16
8:08
+0:17
20M
20.00 mi13:00:592:30:377:3211:03
8:08
0:00
21M
21.00 mi13:09:362:39:147:358:37
8:37
+0:29
35K
21.75 mi13:15:262:45:047:355:50
7:48
-0:49
23M
23.00 mi13:25:572:55:357:3810:31
8:24
+0:36
24M
24.00 mi13:34:043:03:427:398:07
8:07
-0:17
40K
24.85 mi13:41:083:10:467:417:04
8:16
+0:09
25.2M
25.20 mi13:44:183:13:567:423:10
9:11
+0:55
Finish
26.22 mi13:52:283:22:067:438:10
8:01
-1:10

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

6:56 /mi

Average Pace

7:43 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:14

35% of race

Time at Steady Pace

1:48:34

54% of race

Time at Slower Pace

22:18

11% of race

Average Pace: 7:42 /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 mi10:51:5621:346:5621:34
6:56
#7388
10K
6.21 mi11:13:5043:287:0021:54
7:03
#7832
15K
9.32 mi11:36:291:06:077:0622:39
7:17
#8428
20K
12.43 mi12:00:311:30:097:1524:02
7:44
#9448
Half
13.11 mi12:05:381:35:167:165:07
7:30
#9574
25K
15.53 mi12:24:401:54:187:2119:02
7:51
#10085
30K
18.64 mi12:49:562:19:347:2925:16
8:08
#10472
20M
20.00 mi13:00:592:30:377:3211:03
8:08
#10525
21M
21.00 mi13:09:362:39:147:358:37
8:37
#10545
35K
21.75 mi13:15:262:45:047:355:50
7:48
#10524
23M
23.00 mi13:25:572:55:357:3810:31
8:24
#10623
24M
24.00 mi13:34:043:03:427:398:07
8:07
#10654
40K
24.85 mi13:41:083:10:467:417:04
8:16
#10681
25.2M
25.20 mi13:44:183:13:567:423:10
9:11
#10695
Finish
26.22 mi13:52:283:22:067:438:10
8:01
#10757
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi73887907909942(Top 35%)1865(Top 15%)1865(Top 34%)
10K6.21 mi3.10 mi7832-444939-149939-1498305(Top 29%)1113(Top 9%)1113(Top 20%)
15K9.32 mi3.11 mi8428-5961171-2321171-2329942(Top 35%)1865(Top 15%)1865(Top 34%)
20K12.43 mi3.11 mi9448-10201619-4481619-44812711(Top 45%)3385(Top 28%)3385(Top 62%)
Half13.11 mi0.68 mi9574-1261685-661685-6611753(Top 41%)2792(Top 23%)2792(Top 51%)
25K15.53 mi2.42 mi10085-5111953-2681953-26812753(Top 45%)3524(Top 29%)3524(Top 64%)
30K18.64 mi3.11 mi10472-3872191-2382191-23812323(Top 43%)3461(Top 28%)3461(Top 63%)
20M20.00 mi1.36 mi10525-532267-762267-7611349(Top 40%)3103(Top 25%)3103(Top 57%)
21M21.00 mi1.00 mi10545-202317-502317-5011219(Top 39%)3199(Top 26%)3199(Top 58%)
35K21.75 mi0.75 mi10524+212318-12318-110832(Top 38%)3015(Top 25%)3015(Top 55%)
23M23.00 mi1.25 mi10623-992412-942412-9412687(Top 45%)4085(Top 33%)4085(Top 75%)
24M24.00 mi1.00 mi10654-312474-622474-6212033(Top 42%)3812(Top 31%)3812(Top 70%)
40K24.85 mi0.85 mi10681-272513-392513-3911973(Top 42%)3894(Top 32%)3894(Top 71%)
25.2M25.20 mi0.35 mi10695-142531-182531-1812832(Top 45%)4390(Top 36%)4390(Top 80%)
Finish26.22 mi1.02 mi10757-622609-782609-7812984(Top 46%)4420(Top 36%)4420(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9942

Females

1865

F18-39

1865

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8305

Females

1113

F18-39

1113

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9942

Females

1865

F18-39

1865

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12711

Females

3385

F18-39

3385

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11753

Females

2792

F18-39

2792

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12753

Females

3524

F18-39

3524

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12323

Females

3461

F18-39

3461

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11349

Females

3103

F18-39

3103

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11219

Females

3199

F18-39

3199

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10832

Females

3015

F18-39

3015

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12687

Females

4085

F18-39

4085

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

12033

Females

3812

F18-39

3812

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11973

Females

3894

F18-39

3894

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12832

Females

4390

F18-39

4390

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12984

Females

4420

F18-39

4420

Passing Analysis

Category:
Athletes Passed
887
Passed By
4253
Net Change
-3369
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7388
5K → 10K66510-444#7388#7832
10K → 15K31627-596#7832#8428
15K → 20K361056-1020#8428#9448
20K → Half7133-126#9448#9574
Half → 25K53562-511#9574#10085
25K → 30K130516-387#10085#10472
30K → 20M105158-53#10472#10525
20M → 21M104124-20#10525#10545
21M → 35K6241+21#10545#10524
35K → 23M73172-99#10524#10623
23M → 24M6899-31#10623#10654
24M → 40K6188-27#10654#10681
40K → 25.2M3549-14#10681#10695
25.2M → Finish56118-62#10695#10757
TOTALS8874253-3369
📊

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