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BOSTON MARATHON 2026

Shelby Henches

Bib: 15644•F

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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
22:22
3.11 mi
Rank: #10181
Start → 5K
22:22 | 7:12/mi
10K
45:21
6.21 mi
Rank: #11075 (-894)
5K → 10K
22:59 | 7:24/mi
15K
1:10:07
9.32 mi
Rank: #13011 (-1936)
10K → 15K
24:46 | 7:59/mi
20K
1:34:55
12.43 mi
Rank: #13750 (-739)
15K → 20K
24:48 | 7:59/mi
HALF
1:40:06
13.11 mi
Rank: #13753 (-3)
20K → HALF
5:11 | 7:37/mi
25K
2:00:28
15.53 mi
Rank: #14555 (-802)
HALF → 25K
20:22 | 8:24/mi
30K
2:27:55
18.64 mi
Rank: #15474 (-919)
25K → 30K
27:27 | 8:51/mi
20M
2:40:14
20.00 mi
Rank: #15841 (-367)
30K → 20M
12:19 | 9:05/mi
21M
2:50:23
21.00 mi
Rank: #16202 (-361)
20M → 21M
10:09 | 10:09/mi
35K
2:56:47
21.75 mi
Rank: #16250 (-48)
21M → 35K
6:24 | 8:34/mi
23M
3:08:21
23.00 mi
Rank: #16463 (-213)
35K → 23M
11:34 | 9:15/mi
24M
3:17:07
24.00 mi
Rank: #16549 (-86)
23M → 24M
8:46 | 8:46/mi
40K
3:25:33
24.85 mi
Rank: #16827 (-278)
24M → 40K
8:26 | 9:52/mi
25.2M
3:29:06
25.20 mi
Rank: #16900 (-73)
40K → 25.2M
3:33 | 10:18/mi
FINISH
3:38:12
26.22 mi
Rank: #17034 (-134)
25.2M → FINISH
9:06 | 8:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:06
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:58:06
Pace9:01 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5822:227:1222:22
7:12
-
10K
6.21 mi11:16:5745:217:1822:59
7:24
+0:12
15K
9.32 mi11:41:431:10:077:3224:46
7:59
+0:35
20K
12.43 mi12:06:311:34:557:3924:48
7:59
0:00
HALF
13.11 mi12:11:421:40:067:395:11
7:37
-0:22
25K
15.53 mi12:32:042:00:287:4620:22
8:24
+0:47
30K
18.64 mi12:59:312:27:557:5727:27
8:51
+0:27
20M
20.00 mi13:11:502:40:148:0112:19
9:05
+0:14
21M
21.00 mi13:21:592:50:238:0710:09
10:09
+1:04
35K
21.75 mi13:28:232:56:478:086:24
8:34
-1:35
23M
23.00 mi13:39:573:08:218:1211:34
9:15
+0:41
24M
24.00 mi13:48:433:17:078:138:46
8:46
-0:29
40K
24.85 mi13:57:093:25:338:178:26
9:52
+1:06
25.2M
25.20 mi14:00:423:29:068:183:33
10:18
+0:26
FINISH
26.22 mi14:09:483:38:128:209:06
8:56
-1:22

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

7:12 /mi

Average Pace

8:20 /mi

Slowest Pace

10:18 /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

1:40:06

46% of race

Time at Steady Pace

1:24:24

39% of race

Time at Slower Pace

33:42

15% of race

Average Pace: 8:19 /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 mi10:53:5822:227:1222:22
7:12
#10181
10K
6.21 mi11:16:5745:217:1822:59
7:24
#11075
15K
9.32 mi11:41:431:10:077:3224:46
7:59
#13011
20K
12.43 mi12:06:311:34:557:3924:48
7:59
#13750
HALF
13.11 mi12:11:421:40:067:395:11
7:37
#13753
25K
15.53 mi12:32:042:00:287:4620:22
8:24
#14555
30K
18.64 mi12:59:312:27:557:5727:27
8:51
#15474
20M
20.00 mi13:11:502:40:148:0112:19
9:05
#15841
21M
21.00 mi13:21:592:50:238:0710:09
10:09
#16202
35K
21.75 mi13:28:232:56:478:086:24
8:34
#16250
23M
23.00 mi13:39:573:08:218:1211:34
9:15
#16463
24M
24.00 mi13:48:433:17:078:138:46
8:46
#16549
40K
24.85 mi13:57:093:25:338:178:26
9:52
#16827
25.2M
25.20 mi14:00:423:29:068:183:33
10:18
#16900
FINISH
26.22 mi14:09:483:38:128:209:06
8:56
#17034
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 mi101811968196816806(Top 58%)5794(Top 46%)5794(Top 101%)
10K6.21 mi3.10 mi11075-8942444-4762444-47612072(Top 42%)3010(Top 24%)3010(Top 53%)
15K9.32 mi3.11 mi13011-19363549-11053549-110516806(Top 58%)5794(Top 46%)5794(Top 101%)
20K12.43 mi3.11 mi13750-7393998-4493998-44916001(Top 55%)5383(Top 43%)5383(Top 94%)
HALF13.11 mi0.68 mi13753-34000-24000-214021(Top 48%)4183(Top 33%)4183(Top 73%)
25K15.53 mi2.42 mi14555-8024489-4894489-48917976(Top 62%)6541(Top 52%)6541(Top 114%)
30K18.64 mi3.11 mi15474-9195087-5985087-59818754(Top 65%)7080(Top 56%)7080(Top 124%)
20M20.00 mi1.36 mi15841-3675325-2385325-23819260(Top 66%)7408(Top 59%)7408(Top 130%)
21M21.00 mi1.00 mi16202-3615566-2415566-24120920(Top 72%)8328(Top 66%)8328(Top 146%)
35K21.75 mi0.75 mi16250-485604-385604-3817898(Top 62%)6832(Top 54%)6832(Top 120%)
23M23.00 mi1.25 mi16463-2135739-1355739-13519606(Top 68%)7786(Top 62%)7786(Top 136%)
24M24.00 mi1.00 mi16549-865802-635802-6318374(Top 63%)7177(Top 57%)7177(Top 126%)
40K24.85 mi0.85 mi16827-2785981-1795981-17921544(Top 74%)8860(Top 70%)8860(Top 155%)
25.2M25.20 mi0.35 mi16900-736035-546035-5420423(Top 70%)8274(Top 66%)8274(Top 145%)
FINISH26.22 mi1.02 mi17034-1346131-966131-9620226(Top 70%)8190(Top 65%)8190(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16806

Females

5794

F18-39

5794

5K→10K

3.1 - 6.2 mi

Top 42%
×5
+79ft-138ft

Overall

12072

Females

3010

F18-39

3010

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16806

Females

5794

F18-39

5794

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

16001

Females

5383

F18-39

5383

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14021

Females

4183

F18-39

4183

HALF→25K

13.1 - 15.5 mi

Top 62%
×4
+66ft-88ft

Overall

17976

Females

6541

F18-39

6541

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18754

Females

7080

F18-39

7080

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19260

Females

7408

F18-39

7408

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20920

Females

8328

F18-39

8328

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

17898

Females

6832

F18-39

6832

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19606

Females

7786

F18-39

7786

23M→24M

23.0 - 24.0 mi

Top 63%
×6
+12ft-82ft

Overall

18374

Females

7177

F18-39

7177

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21544

Females

8860

F18-39

8860

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20423

Females

8274

F18-39

8274

25.2M→FINISH

25.2 - 26.2 mi

Top 70%
×2
+22ft-21ft

Overall

20226

Females

8190

F18-39

8190

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
461
Passed By
7313
Net Change
-6853
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10181
5K → 10K41934-894#10181#11075
10K → 15K131949-1936#11075#13011
15K → 20K31770-739#13011#13750
20K → HALF3336-3#13750#13753
HALF → 25K26828-802#13753#14555
25K → 30K48967-919#14555#15474
30K → 20M27394-367#15474#15841
20M → 21M36397-361#15841#16202
21M → 35K4795-48#16202#16250
35K → 23M47260-213#16250#16463
23M → 24M43129-86#16463#16549
24M → 40K24302-278#16549#16827
40K → 25.2M1386-73#16827#16900
25.2M → FINISH32166-134#16900#17034
TOTALS4617313-6853
📊

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