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BOSTON MARATHON 2025

Kay Mcwilliam

Bib: 21924 F GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Female)
#0 / 12228
Top 31%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F60-64)
#0 / 624
Top 2%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:09/mi
25:20
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:58/mi
50:05
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:55/mi
1:14:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:56/mi
1:39:19
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:39/mi
1:44:32
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:50/mi
2:03:32
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:01/mi
2:28:25
↑ 181↓ 1480.2%
138 ft elev
20M
8:06/mi
2:39:25
↑ 64↓ 500.2%
148 ft elev
21M
8:36/mi
2:48:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:51/mi
2:53:53
↑ 17↓ 861.7%
156 ft elev
23M
8:06/mi
3:04:02
↑ 23↓ 630.6%
116 ft elev
24M
7:52/mi
3:11:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:01/mi
3:18:45
↓ 200.3%
20 ft elev
25.2M
8:48/mi
3:21:47
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:50/mi
3:29:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:44:327:58 /mi⚖️ balanced
2nd Half
1:45:148:02 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:208:093.11 mi25:20
8:09
-
10K
50:058:043.10 mi24:45
7:58
-0:11
15K
1:14:418:013.11 mi24:36
7:55
-0:03
20K
1:39:198:003.11 mi24:38
7:56
+0:01
Half(13.11 mi)
1:44:327:580.68 mi5:13
7:39
-0:17
25K
2:03:327:572.42 mi19:00
7:50
+0:11
30K
2:28:257:583.11 mi24:53
8:01
+0:11
20M
2:39:257:581.36 mi11:00
8:06
+0:05
21M
2:48:018:001.00 mi8:36
8:36
+0:30
35K
2:53:538:000.75 mi5:52
7:51
-0:45
23M
3:04:028:001.25 mi10:09
8:06
+0:15
24M
3:11:548:001.00 mi7:52
7:52
-0:14
40K
3:18:458:000.85 mi6:51
8:01
+0:09
25.2M
3:21:478:000.35 mi3:02
8:48
+0:47
Finish(26.22 mi)
3:29:468:001.02 mi7:59
7:50
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:39 /mi

Average Pace

8:00 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:18:08

94% of race

Time at Steady Pace

11:38

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi17774619561951537747934793
10K3.10 mi16974+8005709+4865709+4861619852385238
15K3.11 mi16430+5445393+3165393+3161537747934793
20K3.11 mi15856+5745066+3275066+3271435742814281
Half(13.11 mi)0.68 mi15729+1275001+655001+651304335293529
25K2.42 mi15175+5544707+2944707+2941265634803480
30K3.11 mi14380+7954323+3844323+3841146330183018
20M1.36 mi14078+3024182+1414182+1411110430013001
21M1.00 mi13861+2174090+924090+921113031703170
35K0.75 mi13736+1254044+464044+461119232183218
23M1.25 mi13526+2103969+753969+751082031433143
24M1.00 mi13366+1603900+693900+691036629882988
40K0.85 mi13239+1273863+373863+371034731113111
25.2M0.35 mi13195+443849+143849+141069933553355
Finish(26.22 mi)1.02 mi13151+443848+13848+11171038013801

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15377

Females

4793

F60-64

4793

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16198

Females

5238

F60-64

5238

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15377

Females

4793

F60-64

4793

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

14357

Females

4281

F60-64

4281

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

13043

Females

3529

F60-64

3529

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12656

Females

3480

F60-64

3480

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11463

Females

3018

F60-64

3018

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11104

Females

3001

F60-64

3001

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11130

Females

3170

F60-64

3170

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

11192

Females

3218

F60-64

3218

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10820

Females

3143

F60-64

3143

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10366

Females

2988

F60-64

2988

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10347

Females

3111

F60-64

3111

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10699

Females

3355

F60-64

3355

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11710

Females

3801

F60-64

3801

Passing Analysis

Category:
Passed
4870
Passed By
247
Net Change
+4623
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17774
5K → 10K86666+800#17774#16974
10K → 15K56622+544#16974#16430
15K → 20K59117+574#16430#15856
20K → Half1292+127#15856#15729
Half → 25K5573+554#15729#15175
25K → 30K8016+795#15175#14380
30K → 20M3108+302#14380#14078
20M → 21M23114+217#14078#13861
21M → 35K1338+125#13861#13736
35K → 23M23424+210#13736#13526
23M → 24M17212+160#13526#13366
24M → 40K14518+127#13366#13239
40K → 25.2M528+44#13239#13195
25.2M → Finish8339+44#13195#13151
TOTALS4870247+4623

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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