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BOSTON MARATHON 2026

Luci Williams

Bib: 15353•F

AL

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0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 49%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:24
3.11 mi
Rank: #13065
Start → 5K
23:24 | 7:32/mi
10K
46:43
6.21 mi
Rank: #13004 (+61)
5K → 10K
23:19 | 7:31/mi
15K
1:09:49
9.32 mi
Rank: #12740 (+264)
10K → 15K
23:06 | 7:27/mi
20K
1:35:01
12.43 mi
Rank: #13830 (-1090)
15K → 20K
25:12 | 8:07/mi
HALF
1:40:12
13.11 mi
Rank: #13822 (+8)
20K → HALF
5:11 | 7:37/mi
25K
2:00:00
15.53 mi
Rank: #14287 (-465)
HALF → 25K
19:48 | 8:10/mi
30K
2:30:21
18.64 mi
Rank: #16496 (-2209)
25K → 30K
30:21 | 9:47/mi
20M
2:43:29
20.00 mi
Rank: #16972 (-476)
30K → 20M
13:08 | 9:41/mi
21M
2:53:16
21.00 mi
Rank: #17140 (-168)
20M → 21M
9:47 | 9:47/mi
35K
2:59:49
21.75 mi
Rank: #17202 (-62)
21M → 35K
6:33 | 8:46/mi
23M
3:11:39
23.00 mi
Rank: #17428 (-226)
35K → 23M
11:50 | 9:28/mi
24M
3:20:27
24.00 mi
Rank: #17453 (-25)
23M → 24M
8:48 | 8:48/mi
40K
3:27:41
24.85 mi
Rank: #17350 (+103)
24M → 40K
7:14 | 8:28/mi
25.2M
3:30:39
25.20 mi
Rank: #17257 (+93)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:38:21
26.22 mi
Rank: #17066 (+191)
25.2M → FINISH
7:42 | 7:34/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:12
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:58:09
Pace9:01 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4723:247:3223:24
7:32
-
10K
6.21 mi11:18:0646:437:3223:19
7:31
-0:01
15K
9.32 mi11:41:121:09:497:3023:06
7:27
-0:04
20K
12.43 mi12:06:241:35:017:3925:12
8:07
+0:40
HALF
13.11 mi12:11:351:40:127:395:11
7:37
-0:30
25K
15.53 mi12:31:232:00:007:4419:48
8:10
+0:33
30K
18.64 mi13:01:442:30:218:0430:21
9:47
+1:37
20M
20.00 mi13:14:522:43:298:1113:08
9:41
-0:06
21M
21.00 mi13:24:392:53:168:169:47
9:47
+0:06
35K
21.75 mi13:31:122:59:498:176:33
8:46
-1:01
23M
23.00 mi13:43:023:11:398:2011:50
9:28
+0:42
24M
24.00 mi13:51:503:20:278:228:48
8:48
-0:40
40K
24.85 mi13:59:043:27:418:227:14
8:28
-0:20
25.2M
25.20 mi14:02:023:30:398:222:58
8:37
+0:09
FINISH
26.22 mi14:09:443:38:218:217:42
7:34
-1:03

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:27 /mi

Average Pace

8:20 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:22:42

38% of race

Time at Steady Pace

1:10:33

32% of race

Time at Slower Pace

1:05:06

30% of race

Average Pace: 8:20 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:4723:247:3223:24
7:32
#13065
10K
6.21 mi11:18:0646:437:3223:19
7:31
#13004
15K
9.32 mi11:41:121:09:497:3023:06
7:27
#12740
20K
12.43 mi12:06:241:35:017:3925:12
8:07
#13830
HALF
13.11 mi12:11:351:40:127:395:11
7:37
#13822
25K
15.53 mi12:31:232:00:007:4419:48
8:10
#14287
30K
18.64 mi13:01:442:30:218:0430:21
9:47
#16496
20M
20.00 mi13:14:522:43:298:1113:08
9:41
#16972
21M
21.00 mi13:24:392:53:168:169:47
9:47
#17140
35K
21.75 mi13:31:122:59:498:176:33
8:46
#17202
23M
23.00 mi13:43:023:11:398:2011:50
9:28
#17428
24M
24.00 mi13:51:503:20:278:228:48
8:48
#17453
40K
24.85 mi13:59:043:27:418:227:14
8:28
#17350
25.2M
25.20 mi14:02:023:30:398:222:58
8:37
#17257
FINISH
26.22 mi14:09:443:38:218:217:42
7:34
#17066
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130653529352912282(Top 42%)3172(Top 25%)3172(Top 55%)
10K6.21 mi3.10 mi13004+613525+43525+413009(Top 45%)3552(Top 28%)3552(Top 62%)
15K9.32 mi3.11 mi12740+2643383+1423383+14212282(Top 42%)3172(Top 25%)3172(Top 55%)
20K12.43 mi3.11 mi13830-10904049-6664049-66616943(Top 58%)5912(Top 47%)5912(Top 103%)
HALF13.11 mi0.68 mi13822+84043+64043+614022(Top 48%)4184(Top 33%)4184(Top 73%)
25K15.53 mi2.42 mi14287-4654336-2934336-29316597(Top 57%)5769(Top 46%)5769(Top 101%)
30K18.64 mi3.11 mi16496-22095694-13585694-135822479(Top 77%)9015(Top 72%)9015(Top 158%)
20M20.00 mi1.36 mi16972-4765960-2665960-26621634(Top 75%)8661(Top 69%)8661(Top 152%)
21M21.00 mi1.00 mi17140-1686073-1136073-11319696(Top 68%)7689(Top 61%)7689(Top 135%)
35K21.75 mi0.75 mi17202-626126-536126-5318898(Top 65%)7365(Top 59%)7365(Top 129%)
23M23.00 mi1.25 mi17428-2266282-1566282-15620469(Top 71%)8190(Top 65%)8190(Top 143%)
24M24.00 mi1.00 mi17453-256326-446326-4418527(Top 64%)7251(Top 58%)7251(Top 127%)
40K24.85 mi0.85 mi17350+1036282+446282+4415457(Top 53%)5671(Top 45%)5671(Top 99%)
25.2M25.20 mi0.35 mi17257+936237+456237+4512421(Top 43%)4097(Top 33%)4097(Top 72%)
FINISH26.22 mi1.02 mi17066+1916149+886149+8811926(Top 41%)3836(Top 30%)3836(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21
+97ft-345ft

Overall

12282

Females

3172

F18-39

3172

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

13009

Females

3552

F18-39

3552

10K→15K

6.2 - 9.3 mi

Top 42%
×3
+67ft-78ft

Overall

12282

Females

3172

F18-39

3172

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16943

Females

5912

F18-39

5912

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14022

Females

4184

F18-39

4184

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16597

Females

5769

F18-39

5769

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22479

Females

9015

F18-39

9015

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21634

Females

8661

F18-39

8661

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19696

Females

7689

F18-39

7689

21M→35K

21.0 - 21.8 mi

Top 65%
×7
+17ft-86ft

Overall

18898

Females

7365

F18-39

7365

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20469

Females

8190

F18-39

8190

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18527

Females

7251

F18-39

7251

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15457

Females

5671

F18-39

5671

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12421

Females

4097

F18-39

4097

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

11926

Females

3836

F18-39

3836

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1377
Passed By
5378
Net Change
-4001
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13065
5K → 10K304243+61#13065#13004
10K → 15K33874+264#13004#12740
15K → 20K211111-1090#12740#13830
20K → HALF3830+8#13830#13822
HALF → 25K47512-465#13822#14287
25K → 30K132222-2209#14287#16496
30K → 20M14490-476#16496#16972
20M → 21M45213-168#16972#17140
21M → 35K44106-62#17140#17202
35K → 23M42268-226#17202#17428
23M → 24M6691-25#17428#17453
24M → 40K11613+103#17453#17350
40K → 25.2M952+93#17350#17257
25.2M → FINISH1943+191#17257#17066
TOTALS13775378-4001
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing