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BOSTON MARATHON 2026

Shelly Nash

Bib: 15679β€’F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F40-44)
#0 / 1737
Race Day Weather
51Β°/41Β°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
30:27
3.11 mi
Rank: #25393
Start β†’ 5K
30:27 | 9:49/mi
10K
1:01:17
6.21 mi
Rank: #25551 (-158)
5K β†’ 10K
30:50 | 9:56/mi
15K
1:32:49
9.32 mi
Rank: #25726 (-175)
10K β†’ 15K
31:32 | 10:09/mi
20K
2:04:41
12.43 mi
Rank: #25681 (+45)
15K β†’ 20K
31:52 | 10:16/mi
HALF
2:11:24
13.11 mi
Rank: #25659 (+22)
20K β†’ HALF
6:43 | 9:52/mi
25K
2:39:07
15.53 mi
Rank: #25955 (-296)
HALF β†’ 25K
27:43 | 11:26/mi
30K
3:13:32
18.64 mi
Rank: #25868 (+87)
25K β†’ 30K
34:25 | 11:05/mi
20M
3:28:37
20.00 mi
Rank: #25814 (+54)
30K β†’ 20M
15:05 | 11:07/mi
21M
3:41:22
21.00 mi
Rank: #25840 (-26)
20M β†’ 21M
12:45 | 12:45/mi
35K
3:49:09
21.75 mi
Rank: #25781 (+59)
21M β†’ 35K
7:47 | 10:25/mi
23M
4:03:35
23.00 mi
Rank: #25784 (-3)
35K β†’ 23M
14:26 | 11:33/mi
24M
4:14:19
24.00 mi
Rank: #25734 (+50)
23M β†’ 24M
10:44 | 10:44/mi
40K
4:23:48
24.85 mi
Rank: #25684 (+50)
24M β†’ 40K
9:29 | 11:06/mi
25.2M
4:27:53
25.20 mi
Rank: #25664 (+20)
40K β†’ 25.2M
4:05 | 11:51/mi
FINISH
4:38:13
26.22 mi
Rank: #25606 (+58)
25.2M β†’ FINISH
10:20 | 10:09/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:11:24
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:26:49
Pace11:12 /mi
πŸ“ŠPositive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:0730:279:4930:27
9:49
-
10K
6.21 mi11:33:571:01:179:5230:50
9:56
+0:07
15K
9.32 mi12:05:291:32:499:5831:32
10:09
+0:13
20K
12.43 mi12:37:212:04:4110:0231:52
10:16
+0:07
HALF
13.11 mi12:44:042:11:2410:026:43
9:52
-0:24
25K
15.53 mi13:11:472:39:0710:1527:43
11:26
+1:34
30K
18.64 mi13:46:123:13:3210:2334:25
11:05
-0:21
20M
20.00 mi14:01:173:28:3710:2615:05
11:07
+0:02
21M
21.00 mi14:14:023:41:2210:3312:45
12:45
+1:38
35K
21.75 mi14:21:493:49:0910:337:47
10:25
-2:20
23M
23.00 mi14:36:154:03:3510:3614:26
11:33
+1:08
24M
24.00 mi14:46:594:14:1910:3610:44
10:44
-0:49
40K
24.85 mi14:56:284:23:4810:379:29
11:06
+0:22
25.2M
25.20 mi15:00:334:27:5310:384:05
11:51
+0:45
FINISH
26.22 mi15:10:534:38:1310:3810:20
10:09
-1:42

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

9:49 /mi

Average Pace

10:37 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:21:44

51% of race

Time at Steady Pace

1:17:30

28% of race

Time at Slower Pace

58:59

21% of race

Average Pace: 10:37 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:03:0730:279:4930:27
9:49
#25393
10K
6.21 mi11:33:571:01:179:5230:50
9:56
#25551
15K
9.32 mi12:05:291:32:499:5831:32
10:09
#25726
20K
12.43 mi12:37:212:04:4110:0231:52
10:16
#25681
HALF
13.11 mi12:44:042:11:2410:026:43
9:52
#25659
25K
15.53 mi13:11:472:39:0710:1527:43
11:26
#25955
30K
18.64 mi13:46:123:13:3210:2334:25
11:05
#25868
20M
20.00 mi14:01:173:28:3710:2615:05
11:07
#25814
21M
21.00 mi14:14:023:41:2210:3312:45
12:45
#25840
35K
21.75 mi14:21:493:49:0910:337:47
10:25
#25781
23M
23.00 mi14:36:154:03:3510:3614:26
11:33
#25784
24M
24.00 mi14:46:594:14:1910:3610:44
10:44
#25734
40K
24.85 mi14:56:284:23:4810:379:29
11:06
#25684
25.2M
25.20 mi15:00:334:27:5310:384:05
11:51
#25664
FINISH
26.22 mi15:10:534:38:1310:3810:20
10:09
#25606
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25393103961039626027(Top 90%)10740(Top 85%)10740(Top 618%)
10K6.21 mi3.10 mi25551-15810471-7510471-7525655(Top 88%)10534(Top 84%)10534(Top 606%)
15K9.32 mi3.11 mi25726-17510564-9310564-9326027(Top 90%)10740(Top 85%)10740(Top 618%)
20K12.43 mi3.11 mi25681+4510545+1910545+1925620(Top 88%)10540(Top 84%)10540(Top 607%)
HALF13.11 mi0.68 mi25659+2210536+910536+925325(Top 87%)10396(Top 83%)10396(Top 599%)
25K15.53 mi2.42 mi25955-29610715-17910715-17926933(Top 93%)11325(Top 90%)11325(Top 652%)
30K18.64 mi3.11 mi25868+8710685+3010685+3025478(Top 88%)10613(Top 84%)10613(Top 611%)
20M20.00 mi1.36 mi25814+5410679+610679+625119(Top 87%)10502(Top 83%)10502(Top 605%)
21M21.00 mi1.00 mi25840-2610712-3310712-3326080(Top 90%)11060(Top 88%)11060(Top 637%)
35K21.75 mi0.75 mi25781+5910690+2210690+2224133(Top 83%)10065(Top 80%)10065(Top 579%)
23M23.00 mi1.25 mi25784-310704-1410704-1425494(Top 88%)10821(Top 86%)10821(Top 623%)
24M24.00 mi1.00 mi25734+5010692+1210692+1224598(Top 85%)10395(Top 83%)10395(Top 598%)
40K24.85 mi0.85 mi25684+5010682+1010682+1024434(Top 84%)10357(Top 82%)10357(Top 596%)
25.2M25.20 mi0.35 mi25664+2010679+310679+324190(Top 83%)10233(Top 81%)10233(Top 589%)
FINISH26.22 mi1.02 mi25606+5810660+1910660+1924229(Top 83%)10239(Top 81%)10239(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
Γ—21
+97ft-345ft

Overall

26027

Females

10740

F40-44

10740

5K→10K

3.1 - 6.2 mi

Top 88%
Γ—5
+79ft-138ft

Overall

25655

Females

10534

F40-44

10534

10K→15K

6.2 - 9.3 mi

Top 90%
Γ—3
+67ft-78ft

Overall

26027

Females

10740

F40-44

10740

15K→20K

9.3 - 12.4 mi

Top 88%
Γ—5
+106ft-86ft

Overall

25620

Females

10540

F40-44

10540

20K→HALF

12.4 - 13.1 mi

Top 87%
Γ—2
+19ft-37ft

Overall

25325

Females

10396

F40-44

10396

HALF→25K

13.1 - 15.5 mi

Top 93%
Γ—4
+66ft-88ft

Overall

26933

Females

11325

F40-44

11325

25K→30K

15.5 - 18.6 mi

Top 88%
Γ—9
+181ft-148ft

Overall

25478

Females

10613

F40-44

10613

30K→20M

18.6 - 20.0 mi

Top 87%
Γ—5
+64ft-50ft

Overall

25119

Females

10502

F40-44

10502

20M→21M

20.0 - 21.0 mi

Top 90%
Γ—8
+106ft-24ft

Overall

26080

Females

11060

F40-44

11060

21M→35K

21.0 - 21.8 mi

Top 83%
Γ—7
+17ft-86ft

Overall

24133

Females

10065

F40-44

10065

35K→23M

21.8 - 23.0 mi

Top 88%
Γ—5
+23ft-63ft

Overall

25494

Females

10821

F40-44

10821

23M→24M

23.0 - 24.0 mi

Top 85%
Γ—6
+12ft-82ft

Overall

24598

Females

10395

F40-44

10395

24M→40K

24.0 - 24.9 mi

Top 84%
Γ—1
+6ft-20ft

Overall

24434

Females

10357

F40-44

10357

40K→25.2M

24.9 - 25.2 mi

Top 83%
Γ—1
+13ft-16ft

Overall

24190

Females

10233

F40-44

10233

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
Γ—2
+22ft-21ft

Overall

24229

Females

10239

F40-44

10239

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1070
Passed By
1283
Net Change
-213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25393
5K β†’ 10K143301-158#25393#25551
10K β†’ 15K77252-175#25551#25726
15K β†’ 20K14297+45#25726#25681
20K β†’ HALF3210+22#25681#25659
HALF β†’ 25K29325-296#25659#25955
25K β†’ 30K16780+87#25955#25868
30K β†’ 20M8531+54#25868#25814
20M β†’ 21M4773-26#25814#25840
21M β†’ 35K689+59#25840#25781
35K β†’ 23M5255-3#25781#25784
23M β†’ 24M6515+50#25784#25734
24M β†’ 40K7020+50#25734#25684
40K β†’ 25.2M299+20#25684#25664
25.2M β†’ FINISH646+58#25664#25606
TOTALS10701283-213
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing