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BOSTON MARATHON 2026

Emily Chilton

Bib: 15355•F

BC

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 41%
Gender (Female)
#0 / 12578
Top 26%
Age Group (F18-39)
#0 / 5716
Top 44%
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
22:44
3.11 mi
Rank: #11220
Start → 5K
22:44 | 7:20/mi
10K
46:03
6.21 mi
Rank: #12075 (-855)
5K → 10K
23:19 | 7:31/mi
15K
1:09:20
9.32 mi
Rank: #12273 (-198)
10K → 15K
23:17 | 7:30/mi
20K
1:32:11
12.43 mi
Rank: #11879 (+394)
15K → 20K
22:51 | 7:22/mi
HALF
1:37:08
13.11 mi
Rank: #11827 (+52)
20K → HALF
4:57 | 7:16/mi
25K
1:55:12
15.53 mi
Rank: #11686 (+141)
HALF → 25K
18:04 | 7:27/mi
30K
2:18:57
18.64 mi
Rank: #11506 (+180)
25K → 30K
23:45 | 7:39/mi
20M
2:29:31
20.00 mi
Rank: #11447 (+59)
30K → 20M
10:34 | 7:47/mi
21M
2:37:30
21.00 mi
Rank: #11300 (+147)
20M → 21M
7:59 | 7:59/mi
35K
2:43:11
21.75 mi
Rank: #11280 (+20)
21M → 35K
5:41 | 7:36/mi
23M
2:53:18
23.00 mi
Rank: #11369 (-89)
35K → 23M
10:07 | 8:06/mi
24M
3:01:50
24.00 mi
Rank: #11639 (-270)
23M → 24M
8:32 | 8:32/mi
40K
3:09:23
24.85 mi
Rank: #11889 (-250)
24M → 40K
7:33 | 8:50/mi
25.2M
3:12:33
25.20 mi
Rank: #11955 (-66)
40K → 25.2M
3:10 | 9:11/mi
FINISH
3:20:16
26.22 mi
Rank: #11944 (+11)
25.2M → FINISH
7:43 | 7:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:08
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:08
Pace7:53 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0122:447:2022:44
7:20
-
10K
6.21 mi11:17:2046:037:2523:19
7:31
+0:11
15K
9.32 mi11:40:371:09:207:2723:17
7:30
-0:01
20K
12.43 mi12:03:281:32:117:2622:51
7:22
-0:08
HALF
13.11 mi12:08:251:37:087:254:57
7:16
-0:06
25K
15.53 mi12:26:291:55:127:2518:04
7:27
+0:11
30K
18.64 mi12:50:142:18:577:2823:45
7:39
+0:12
20M
20.00 mi13:00:482:29:317:2910:34
7:47
+0:08
21M
21.00 mi13:08:472:37:307:317:59
7:59
+0:12
35K
21.75 mi13:14:282:43:117:315:41
7:36
-0:23
23M
23.00 mi13:24:352:53:187:3310:07
8:06
+0:30
24M
24.00 mi13:33:073:01:507:358:32
8:32
+0:26
40K
24.85 mi13:40:403:09:237:387:33
8:50
+0:18
25.2M
25.20 mi13:43:503:12:337:393:10
9:11
+0:21
FINISH
26.22 mi13:51:333:20:167:397:43
7:35
-1:36

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

7:16 /mi

Average Pace

7:39 /mi

Slowest Pace

9:11 /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

4:57

2% of race

Time at Steady Pace

2:37:58

79% of race

Time at Slower Pace

37:21

19% of race

Average Pace: 7:38 /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 mi10:54:0122:447:2022:44
7:20
#11220
10K
6.21 mi11:17:2046:037:2523:19
7:31
#12075
15K
9.32 mi11:40:371:09:207:2723:17
7:30
#12273
20K
12.43 mi12:03:281:32:117:2622:51
7:22
#11879
HALF
13.11 mi12:08:251:37:087:254:57
7:16
#11827
25K
15.53 mi12:26:291:55:127:2518:04
7:27
#11686
30K
18.64 mi12:50:142:18:577:2823:45
7:39
#11506
20M
20.00 mi13:00:482:29:317:2910:34
7:47
#11447
21M
21.00 mi13:08:472:37:307:317:59
7:59
#11300
35K
21.75 mi13:14:282:43:117:315:41
7:36
#11280
23M
23.00 mi13:24:352:53:187:3310:07
8:06
#11369
24M
24.00 mi13:33:073:01:507:358:32
8:32
#11639
40K
24.85 mi13:40:403:09:237:387:33
8:50
#11889
25.2M
25.20 mi13:43:503:12:337:393:10
9:11
#11955
FINISH
26.22 mi13:51:333:20:167:397:43
7:35
#11944
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 mi112202478247812765(Top 44%)3427(Top 27%)3427(Top 60%)
10K6.21 mi3.10 mi12075-8552987-5092987-50912994(Top 45%)3537(Top 28%)3537(Top 62%)
15K9.32 mi3.11 mi12273-1983118-1313118-13112765(Top 44%)3427(Top 27%)3427(Top 60%)
20K12.43 mi3.11 mi11879+3942928+1902928+19010714(Top 37%)2420(Top 19%)2420(Top 42%)
HALF13.11 mi0.68 mi11827+522907+212907+2110959(Top 38%)2472(Top 20%)2472(Top 43%)
25K15.53 mi2.42 mi11686+1412860+472860+4711032(Top 38%)2655(Top 21%)2655(Top 46%)
30K18.64 mi3.11 mi11506+1802808+522808+5210822(Top 37%)2681(Top 21%)2681(Top 47%)
20M20.00 mi1.36 mi11447+592800+82800+811212(Top 39%)3003(Top 24%)3003(Top 53%)
21M21.00 mi1.00 mi11300+1472743+572743+579830(Top 34%)2435(Top 19%)2435(Top 43%)
35K21.75 mi0.75 mi11280+202742+12742+111587(Top 40%)3311(Top 26%)3311(Top 58%)
23M23.00 mi1.25 mi11369-892823-812823-8113041(Top 45%)4176(Top 33%)4176(Top 73%)
24M24.00 mi1.00 mi11639-2703000-1773000-17717103(Top 59%)6523(Top 52%)6523(Top 114%)
40K24.85 mi0.85 mi11889-2503167-1673167-16717551(Top 60%)6797(Top 54%)6797(Top 119%)
25.2M25.20 mi0.35 mi11955-663215-483215-4815712(Top 54%)5785(Top 46%)5785(Top 101%)
FINISH26.22 mi1.02 mi11944+113233-183233-1812012(Top 41%)3861(Top 31%)3861(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21
+97ft-345ft

Overall

12765

Females

3427

F18-39

3427

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

12994

Females

3537

F18-39

3537

10K→15K

6.2 - 9.3 mi

Top 44%
×3
+67ft-78ft

Overall

12765

Females

3427

F18-39

3427

15K→20K

9.3 - 12.4 mi

Top 37%
×5
+106ft-86ft

Overall

10714

Females

2420

F18-39

2420

20K→HALF

12.4 - 13.1 mi

Top 38%
×2
+19ft-37ft

Overall

10959

Females

2472

F18-39

2472

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11032

Females

2655

F18-39

2655

25K→30K

15.5 - 18.6 mi

Top 37%
×9
+181ft-148ft

Overall

10822

Females

2681

F18-39

2681

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11212

Females

3003

F18-39

3003

20M→21M

20.0 - 21.0 mi

Top 34%
×8
+106ft-24ft

Overall

9830

Females

2435

F18-39

2435

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11587

Females

3311

F18-39

3311

35K→23M

21.8 - 23.0 mi

Top 45%
×5
+23ft-63ft

Overall

13041

Females

4176

F18-39

4176

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17103

Females

6523

F18-39

6523

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17551

Females

6797

F18-39

6797

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1
+13ft-16ft

Overall

15712

Females

5785

F18-39

5785

25.2M→FINISH

25.2 - 26.2 mi

Top 41%
×2
+22ft-21ft

Overall

12012

Females

3861

F18-39

3861

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1697
Passed By
2420
Net Change
-724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11220
5K → 10K51905-855#11220#12075
10K → 15K113311-198#12075#12273
15K → 20K41723+394#12273#11879
20K → HALF619+52#11879#11827
HALF → 25K17938+141#11827#11686
25K → 30K286106+180#11686#11506
30K → 20M10950+59#11506#11447
20M → 21M17124+147#11447#11300
21M → 35K6343+20#11300#11280
35K → 23M78167-89#11280#11369
23M → 24M36306-270#11369#11639
24M → 40K35285-250#11639#11889
40K → 25.2M2086-66#11889#11955
25.2M → FINISH7867+11#11955#11944
TOTALS16972420-724
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing