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BOSTON MARATHON 2025

Kathy Sparling

Bib: 25338•F

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F60-64)
#0 / 624
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:24
Rank: #23013
Start → 5K
28:24 | 9:08/mi
10K· 6.21 mi
57:02
Rank: #23134 (-121)
5K → 10K
28:38 | 9:13/mi
15K· 9.32 mi
1:25:42
Rank: #23081 (+53)
10K → 15K
28:40 | 9:14/mi
20K· 12.43 mi
1:54:43
Rank: #22918 (+163)
15K → 20K
29:01 | 9:20/mi
Half· 13.11 mi
2:01:09
Rank: #22932 (-14)
20K → Half
6:26 | 9:26/mi
25K· 15.53 mi
2:23:43
Rank: #22621 (+311)
Half → 25K
22:34 | 9:18/mi
30K· 18.64 mi
2:53:39
Rank: #22211 (+410)
25K → 30K
29:56 | 9:38/mi
20M
3:06:37
Rank: #22003 (+208)
30K → 20M
12:58 | 9:33/mi
21M
3:16:52
Rank: #21820 (+183)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:23:50
Rank: #21732 (+88)
21M → 35K
6:58 | 9:19/mi
23M
3:35:42
Rank: #21543 (+189)
35K → 23M
11:52 | 9:29/mi
24M
3:45:08
Rank: #21430 (+113)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:53:30
Rank: #21366 (+64)
24M → 40K
8:22 | 9:47/mi
25.2M
3:57:06
Rank: #21322 (+44)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:06:56
Rank: #21333 (-11)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:09
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:05:47
Pace9:36 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3428:249:0828:24
9:08
-
10K
6.21 mi12:13:1257:029:1128:38
9:13
+0:05
15K
9.32 mi12:41:521:25:429:1228:40
9:14
+0:01
20K
12.43 mi13:10:531:54:439:1429:01
9:20
+0:06
Half
13.11 mi13:17:192:01:099:146:26
9:26
+0:06
25K
15.53 mi13:39:532:23:439:1522:34
9:18
-0:08
30K
18.64 mi14:09:492:53:399:1929:56
9:38
+0:20
20M
20.00 mi14:22:473:06:379:2012:58
9:33
-0:05
21M
21.00 mi14:33:023:16:529:2210:15
10:15
+0:42
35K
21.75 mi14:40:003:23:509:226:58
9:19
-0:56
23M
23.00 mi14:51:523:35:429:2311:52
9:29
+0:10
24M
24.00 mi15:01:183:45:089:239:26
9:26
-0:03
40K
24.85 mi15:09:403:53:309:248:22
9:47
+0:21
25.2M
25.20 mi15:13:163:57:069:253:36
10:26
+0:39
Finish
26.22 mi15:23:064:06:569:259:50
9:39
-0:47

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

9:08 /mi

Average Pace

9:25 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:05

94% of race

Time at Steady Pace

13:51

6% of race

Time at Slower Pace

0:00

0% 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 mi11:44:3428:249:0828:24
9:08
#23013
10K
6.21 mi12:13:1257:029:1128:38
9:13
#23134
15K
9.32 mi12:41:521:25:429:1228:40
9:14
#23081
20K
12.43 mi13:10:531:54:439:1429:01
9:20
#22918
Half
13.11 mi13:17:192:01:099:146:26
9:26
#22932
25K
15.53 mi13:39:532:23:439:1522:34
9:18
#22621
30K
18.64 mi14:09:492:53:399:1929:56
9:38
#22211
20M
20.00 mi14:22:473:06:379:2012:58
9:33
#22003
21M
21.00 mi14:33:023:16:529:2210:15
10:15
#21820
35K
21.75 mi14:40:003:23:509:226:58
9:19
#21732
23M
23.00 mi14:51:523:35:429:2311:52
9:29
#21543
24M
24.00 mi15:01:183:45:089:239:26
9:26
#21430
40K
24.85 mi15:09:403:53:309:248:22
9:47
#21366
25.2M
25.20 mi15:13:163:57:069:253:36
10:26
#21322
Finish
26.22 mi15:23:064:06:569:259:50
9:39
#21333
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi230139177917722953(Top 81%)9076(Top 74%)9076(Top 1454%)
10K6.21 mi3.10 mi23134-1219221-449221-4423259(Top 82%)9270(Top 76%)9270(Top 1486%)
15K9.32 mi3.11 mi23081+539174+479174+4722953(Top 81%)9076(Top 74%)9076(Top 1454%)
20K12.43 mi3.11 mi22918+1639081+939081+9322393(Top 79%)8798(Top 72%)8798(Top 1410%)
Half13.11 mi0.68 mi22932-149087-69087-623355(Top 82%)9341(Top 76%)9341(Top 1497%)
25K15.53 mi2.42 mi22621+3118938+1498938+14921226(Top 75%)8219(Top 67%)8219(Top 1317%)
30K18.64 mi3.11 mi22211+4108739+1998739+19920503(Top 72%)7936(Top 65%)7936(Top 1272%)
20M20.00 mi1.36 mi22003+2088640+998640+9919380(Top 68%)7470(Top 61%)7470(Top 1197%)
21M21.00 mi1.00 mi21820+1838563+778563+7719216(Top 68%)7451(Top 61%)7451(Top 1194%)
35K21.75 mi0.75 mi21732+888527+368527+3619663(Top 69%)7811(Top 64%)7811(Top 1252%)
23M23.00 mi1.25 mi21543+1898456+718456+7118619(Top 66%)7312(Top 60%)7312(Top 1172%)
24M24.00 mi1.00 mi21430+1138408+488408+4819403(Top 68%)7777(Top 64%)7777(Top 1246%)
40K24.85 mi0.85 mi21366+648400+88400+819789(Top 70%)8041(Top 66%)8041(Top 1289%)
25.2M25.20 mi0.35 mi21322+448386+148386+1418865(Top 66%)7576(Top 62%)7576(Top 1214%)
Finish26.22 mi1.02 mi21333-118404-188404-1821738(Top 77%)9031(Top 74%)9031(Top 1447%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

22953

Females

9076

F60-64

9076

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

23259

Females

9270

F60-64

9270

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

22953

Females

9076

F60-64

9076

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22393

Females

8798

F60-64

8798

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

23355

Females

9341

F60-64

9341

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21226

Females

8219

F60-64

8219

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20503

Females

7936

F60-64

7936

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19380

Females

7470

F60-64

7470

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19216

Females

7451

F60-64

7451

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19663

Females

7811

F60-64

7811

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18619

Females

7312

F60-64

7312

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19403

Females

7777

F60-64

7777

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19789

Females

8041

F60-64

8041

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18865

Females

7576

F60-64

7576

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21738

Females

9031

F60-64

9031

Passing Analysis

Category:
Athletes Passed
2421
Passed By
741
Net Change
+1680
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23013
5K → 10K175296-121#23013#23134
10K → 15K198145+53#23134#23081
15K → 20K25390+163#23081#22918
20K → Half2741-14#22918#22932
Half → 25K32918+311#22932#22621
25K → 30K43828+410#22621#22211
30K → 20M21810+208#22211#22003
20M → 21M1907+183#22003#21820
21M → 35K935+88#21820#21732
35K → 23M19910+189#21732#21543
23M → 24M12310+113#21543#21430
24M → 40K8925+64#21430#21366
40K → 25.2M528+44#21366#21322
25.2M → Finish3748-11#21322#21333
TOTALS2421741+1680
📊

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