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BOSTON MARATHON 2026

Nicole Shelton

Bib: 13033•F

NJ

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 16%
Gender (Female)
#0 / 12578
Top 3%
Age Group (F18-39)
#0 / 5716
Top 6%
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
21:34
3.11 mi
Rank: #8105
Start → 5K
21:34 | 6:57/mi
10K
42:38
6.21 mi
Rank: #7482 (+623)
5K → 10K
21:04 | 6:47/mi
15K
1:03:24
9.32 mi
Rank: #6875 (+607)
10K → 15K
20:46 | 6:42/mi
20K
1:24:18
12.43 mi
Rank: #6464 (+411)
15K → 20K
20:54 | 6:44/mi
HALF
1:28:53
13.11 mi
Rank: #6465 (-1)
20K → HALF
4:35 | 6:44/mi
25K
1:45:11
15.53 mi
Rank: #6192 (+273)
HALF → 25K
16:18 | 6:44/mi
30K
2:06:09
18.64 mi
Rank: #5719 (+473)
25K → 30K
20:58 | 6:45/mi
20M
2:15:21
20.00 mi
Rank: #5547 (+172)
30K → 20M
9:12 | 6:47/mi
21M
2:22:18
21.00 mi
Rank: #5345 (+202)
20M → 21M
6:57 | 6:57/mi
35K
2:27:12
21.75 mi
Rank: #5265 (+80)
21M → 35K
4:54 | 6:33/mi
23M
2:35:39
23.00 mi
Rank: #5123 (+142)
35K → 23M
8:27 | 6:46/mi
24M
2:42:13
24.00 mi
Rank: #5020 (+103)
23M → 24M
6:34 | 6:34/mi
40K
2:47:55
24.85 mi
Rank: #4902 (+118)
24M → 40K
5:42 | 6:40/mi
25.2M
2:50:22
25.20 mi
Rank: #4850 (+52)
40K → 25.2M
2:27 | 7:07/mi
FINISH
2:56:54
26.22 mi
Rank: #4757 (+93)
25.2M → FINISH
6:32 | 6:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:28:53
Pace6:47 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:01
Pace6:43 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3021:346:5721:34
6:57
-
10K
6.21 mi11:11:3442:386:5221:04
6:47
-0:10
15K
9.32 mi11:32:201:03:246:4920:46
6:42
-0:05
20K
12.43 mi11:53:141:24:186:4820:54
6:44
+0:02
HALF
13.11 mi11:57:491:28:536:474:35
6:44
0:00
25K
15.53 mi12:14:071:45:116:4716:18
6:44
0:00
30K
18.64 mi12:35:052:06:096:4720:58
6:45
+0:01
20M
20.00 mi12:44:172:15:216:479:12
6:47
+0:02
21M
21.00 mi12:51:142:22:186:476:57
6:57
+0:10
35K
21.75 mi12:56:082:27:126:474:54
6:33
-0:24
23M
23.00 mi13:04:352:35:396:478:27
6:46
+0:13
24M
24.00 mi13:11:092:42:136:466:34
6:34
-0:12
40K
24.85 mi13:16:512:47:556:465:42
6:40
+0:06
25.2M
25.20 mi13:19:182:50:226:462:27
7:07
+0:27
FINISH
26.22 mi13:25:502:56:546:466:32
6:25
-0:42

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

6:25 /mi

Average Pace

6:45 /mi

Slowest Pace

7:07 /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

2:54:27

99% of race

Time at Steady Pace

2:27

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:50:3021:346:5721:34
6:57
#8105
10K
6.21 mi11:11:3442:386:5221:04
6:47
#7482
15K
9.32 mi11:32:201:03:246:4920:46
6:42
#6875
20K
12.43 mi11:53:141:24:186:4820:54
6:44
#6464
HALF
13.11 mi11:57:491:28:536:474:35
6:44
#6465
25K
15.53 mi12:14:071:45:116:4716:18
6:44
#6192
30K
18.64 mi12:35:052:06:096:4720:58
6:45
#5719
20M
20.00 mi12:44:172:15:216:479:12
6:47
#5547
21M
21.00 mi12:51:142:22:186:476:57
6:57
#5345
35K
21.75 mi12:56:082:27:126:474:54
6:33
#5265
23M
23.00 mi13:04:352:35:396:478:27
6:46
#5123
24M
24.00 mi13:11:092:42:136:466:34
6:34
#5020
40K
24.85 mi13:16:512:47:556:465:42
6:40
#4902
25.2M
25.20 mi13:19:182:50:226:462:27
7:07
#4850
FINISH
26.22 mi13:25:502:56:546:466:32
6:25
#4757
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 mi8105111211125721(Top 20%)483(Top 4%)483(Top 8%)
10K6.21 mi3.10 mi7482+623918+194918+1946800(Top 23%)727(Top 6%)727(Top 13%)
15K9.32 mi3.11 mi6875+607753+165753+1655721(Top 20%)483(Top 4%)483(Top 8%)
20K12.43 mi3.11 mi6464+411638+115638+1155466(Top 19%)451(Top 4%)451(Top 8%)
HALF13.11 mi0.68 mi6465-16386386460(Top 22%)652(Top 5%)652(Top 11%)
25K15.53 mi2.42 mi6192+273591+47591+475105(Top 18%)428(Top 3%)428(Top 7%)
30K18.64 mi3.11 mi5719+473507+84507+844012(Top 14%)280(Top 2%)280(Top 5%)
20M20.00 mi1.36 mi5547+172478+29478+293976(Top 14%)315(Top 3%)315(Top 6%)
21M21.00 mi1.00 mi5345+202438+40438+403223(Top 11%)240(Top 2%)240(Top 4%)
35K21.75 mi0.75 mi5265+80424+14424+143957(Top 14%)349(Top 3%)349(Top 6%)
23M23.00 mi1.25 mi5123+142415+9415+93815(Top 13%)363(Top 3%)363(Top 6%)
24M24.00 mi1.00 mi5020+103407+8407+83588(Top 12%)340(Top 3%)340(Top 6%)
40K24.85 mi0.85 mi4902+118402+5402+53450(Top 12%)346(Top 3%)346(Top 6%)
25.2M25.20 mi0.35 mi4850+52396+6396+63205(Top 11%)342(Top 3%)342(Top 6%)
FINISH26.22 mi1.02 mi4757+93391+5391+53662(Top 13%)441(Top 4%)441(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5721

Females

483

F18-39

483

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6800

Females

727

F18-39

727

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5721

Females

483

F18-39

483

15K→20K

9.3 - 12.4 mi

Top 19%
×5
+106ft-86ft

Overall

5466

Females

451

F18-39

451

20K→HALF

12.4 - 13.1 mi

Top 22%
×2
+19ft-37ft

Overall

6460

Females

652

F18-39

652

HALF→25K

13.1 - 15.5 mi

Top 18%
×4
+66ft-88ft

Overall

5105

Females

428

F18-39

428

25K→30K

15.5 - 18.6 mi

Top 14%
×9
+181ft-148ft

Overall

4012

Females

280

F18-39

280

30K→20M

18.6 - 20.0 mi

Top 14%
×5
+64ft-50ft

Overall

3976

Females

315

F18-39

315

20M→21M

20.0 - 21.0 mi

Top 11%
×8
+106ft-24ft

Overall

3223

Females

240

F18-39

240

21M→35K

21.0 - 21.8 mi

Top 14%
×7
+17ft-86ft

Overall

3957

Females

349

F18-39

349

35K→23M

21.8 - 23.0 mi

Top 13%
×5
+23ft-63ft

Overall

3815

Females

363

F18-39

363

23M→24M

23.0 - 24.0 mi

Top 12%
×6
+12ft-82ft

Overall

3588

Females

340

F18-39

340

24M→40K

24.0 - 24.9 mi

Top 12%
×1
+6ft-20ft

Overall

3450

Females

346

F18-39

346

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1
+13ft-16ft

Overall

3205

Females

342

F18-39

342

25.2M→FINISH

25.2 - 26.2 mi

Top 13%
×2
+22ft-21ft

Overall

3662

Females

441

F18-39

441

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3497
Passed By
149
Net Change
+3348
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8105
5K → 10K65936+623#8105#7482
10K → 15K6125+607#7482#6875
15K → 20K4198+411#6875#6464
20K → HALF2122-1#6464#6465
HALF → 25K28310+273#6465#6192
25K → 30K4796+473#6192#5719
30K → 20M1775+172#5719#5547
20M → 21M2053+202#5547#5345
21M → 35K888+80#5345#5265
35K → 23M15412+142#5265#5123
23M → 24M1118+103#5123#5020
24M → 40K1257+118#5020#4902
40K → 25.2M564+52#4902#4850
25.2M → FINISH10815+93#4850#4757
TOTALS3497149+3348
📊

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