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BOSTON MARATHON 2025

Nicole Williams

Bib: 15508•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F40-44)
#0 / 1718
Top 14%
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
7:28/mi
23:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:32/mi
46:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:29/mi
1:09:49
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:33:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:38:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:56:25
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:20:24
↑ 181↓ 1480.2%
20M
7:46/mi
2:30:57
↑ 64↓ 500.2%
21M
8:11/mi
2:39:08
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:44:43
↑ 17↓ 861.7%
23M
7:41/mi
2:54:20
↑ 23↓ 630.6%
24M
7:31/mi
3:01:51
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:08:19
↓ 200.3%
25.2M
8:22/mi
3:11:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:18:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:10
Pace7:29 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0323:127:2823:12
7:28
-
10K
6.21 mi11:18:2646:357:3023:23
7:32
+0:04
15K
9.32 mi11:41:401:09:497:2923:14
7:29
-0:03
20K
12.43 mi12:04:581:33:077:3023:18
7:30
+0:01
Half
13.11 mi12:10:011:38:107:295:03
7:24
-0:06
25K
15.53 mi12:28:161:56:257:3018:15
7:32
+0:08
30K
18.64 mi12:52:152:20:247:3223:59
7:43
+0:11
20M
20.00 mi13:02:482:30:577:3310:33
7:46
+0:03
21M
21.00 mi13:10:592:39:087:358:11
8:11
+0:25
35K
21.75 mi13:16:342:44:437:345:35
7:28
-0:43
23M
23.00 mi13:26:112:54:207:359:37
7:41
+0:13
24M
24.00 mi13:33:423:01:517:357:31
7:31
-0:10
40K
24.85 mi13:40:103:08:197:356:28
7:34
+0:03
25.2M
25.20 mi13:43:033:11:127:352:53
8:22
+0:48
Finish
26.22 mi13:50:243:18:337:357:21
7:13
-1:09

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

7:13 /mi

Average Pace

7:35 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:29

94% of race

Time at Steady Pace

11:04

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:55:0323:127:2823:12
7:28
#11959
10K
6.21 mi11:18:2646:357:3023:23
7:32
#12104
15K
9.32 mi11:41:401:09:497:2923:14
7:29
#11898
20K
12.43 mi12:04:581:33:077:3023:18
7:30
#11573
Half
13.11 mi12:10:011:38:107:295:03
7:24
#11536
25K
15.53 mi12:28:161:56:257:3018:15
7:32
#11283
30K
18.64 mi12:52:152:20:247:3223:59
7:43
#10883
20M
20.00 mi13:02:482:30:577:3310:33
7:46
#10667
21M
21.00 mi13:10:592:39:087:358:11
8:11
#10513
35K
21.75 mi13:16:342:44:437:345:35
7:28
#10403
23M
23.00 mi13:26:112:54:207:359:37
7:41
#10189
24M
24.00 mi13:33:423:01:517:357:31
7:31
#10039
40K
24.85 mi13:40:103:08:197:356:28
7:34
#9877
25.2M
25.20 mi13:43:033:11:127:352:53
8:22
#9827
Finish
26.22 mi13:50:243:18:337:357:21
7:13
#9703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi119592772277211584(Top 41%)2676(Top 22%)2676(Top 156%)
10K6.21 mi3.10 mi12104-1452861-892861-8912342(Top 43%)2994(Top 24%)2994(Top 174%)
15K9.32 mi3.11 mi11898+2062767+942767+9411584(Top 41%)2676(Top 22%)2676(Top 156%)
20K12.43 mi3.11 mi11573+3252654+1132654+11310778(Top 38%)2356(Top 19%)2356(Top 137%)
Half13.11 mi0.68 mi11536+372630+242630+2410943(Top 39%)2385(Top 20%)2385(Top 139%)
25K15.53 mi2.42 mi11283+2532529+1012529+10110202(Top 36%)2188(Top 18%)2188(Top 127%)
30K18.64 mi3.11 mi10883+4002402+1272402+1279335(Top 33%)1976(Top 16%)1976(Top 115%)
20M20.00 mi1.36 mi10667+2162336+662336+668817(Top 31%)1898(Top 16%)1898(Top 110%)
21M21.00 mi1.00 mi10513+1542301+352301+358508(Top 30%)1943(Top 16%)1943(Top 113%)
35K21.75 mi0.75 mi10403+1102264+372264+378414(Top 30%)1855(Top 15%)1855(Top 108%)
23M23.00 mi1.25 mi10189+2142204+602204+607807(Top 27%)1744(Top 14%)1744(Top 102%)
24M24.00 mi1.00 mi10039+1502165+392165+397862(Top 28%)1811(Top 15%)1811(Top 105%)
40K24.85 mi0.85 mi9877+1622122+432122+437225(Top 25%)1655(Top 14%)1655(Top 96%)
25.2M25.20 mi0.35 mi9827+502115+72115+78026(Top 28%)2084(Top 17%)2084(Top 121%)
Finish26.22 mi1.02 mi9703+1242094+212094+217154(Top 25%)1713(Top 14%)1713(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11584

Females

2676

F40-44

2676

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

12342

Females

2994

F40-44

2994

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11584

Females

2676

F40-44

2676

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

10778

Females

2356

F40-44

2356

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10943

Females

2385

F40-44

2385

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10202

Females

2188

F40-44

2188

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9335

Females

1976

F40-44

1976

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8817

Females

1898

F40-44

1898

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8508

Females

1943

F40-44

1943

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8414

Females

1855

F40-44

1855

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7807

Females

1744

F40-44

1744

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7862

Females

1811

F40-44

1811

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7225

Females

1655

F40-44

1655

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

8026

Females

2084

F40-44

2084

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7154

Females

1713

F40-44

1713

Passing Analysis

Category:
Athletes Passed
2959
Passed By
703
Net Change
+2256
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11959
5K → 10K186331-145#11959#12104
10K → 15K29488+206#12104#11898
15K → 20K38055+325#11898#11573
20K → Half4710+37#11573#11536
Half → 25K29441+253#11536#11283
25K → 30K45252+400#11283#10883
30K → 20M23519+216#10883#10667
20M → 21M18733+154#10667#10513
21M → 35K12212+110#10513#10403
35K → 23M22612+214#10403#10189
23M → 24M16616+150#10189#10039
24M → 40K17311+162#10039#9877
40K → 25.2M566+50#9877#9827
25.2M → Finish14117+124#9827#9703
TOTALS2959703+2256
📊

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