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BOSTON MARATHON 2026

Daniel Shellhouse

Bib: 1770•M

CA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 0.9%
Gender (Male)
#0 / 16340
Top 2%
Age Group (M18-39)
#0 / 5723
Top 4%
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
17:54
3.11 mi
Rank: #566
Start → 5K
17:54 | 5:46/mi
10K
35:32
6.21 mi
Rank: #488 (+78)
5K → 10K
17:38 | 5:41/mi
15K
53:11
9.32 mi
Rank: #475 (+13)
10K → 15K
17:39 | 5:41/mi
20K
1:10:53
12.43 mi
Rank: #453 (+22)
15K → 20K
17:42 | 5:42/mi
HALF
1:14:46
13.11 mi
Rank: #459 (-6)
20K → HALF
3:53 | 5:42/mi
25K
1:28:33
15.53 mi
Rank: #423 (+36)
HALF → 25K
13:47 | 5:42/mi
30K
1:46:24
18.64 mi
Rank: #384 (+39)
25K → 30K
17:51 | 5:45/mi
20M
1:54:00
20.00 mi
Rank: #349 (+35)
30K → 20M
7:36 | 5:36/mi
21M
1:59:53
21.00 mi
Rank: #325 (+24)
20M → 21M
5:53 | 5:53/mi
35K
2:03:56
21.75 mi
Rank: #316 (+9)
21M → 35K
4:03 | 5:25/mi
23M
2:11:00
23.00 mi
Rank: #308 (+8)
35K → 23M
7:04 | 5:39/mi
24M
2:16:30
24.00 mi
Rank: #298 (+10)
23M → 24M
5:30 | 5:30/mi
40K
2:21:12
24.85 mi
Rank: #277 (+21)
24M → 40K
4:42 | 5:30/mi
25.2M
2:23:16
25.20 mi
Rank: #270 (+7)
40K → 25.2M
2:04 | 6:00/mi
FINISH
2:28:41
26.22 mi
Rank: #265 (+5)
25.2M → FINISH
5:25 | 5:19/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:14:46
Pace5:43 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:13:55
Pace5:39 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1117:545:4617:54
5:46
-
10K
6.21 mi10:35:4935:325:4417:38
5:41
-0:05
15K
9.32 mi10:53:2853:115:4317:39
5:41
0:00
20K
12.43 mi11:11:101:10:535:4317:42
5:42
+0:01
HALF
13.11 mi11:15:031:14:465:433:53
5:42
0:00
25K
15.53 mi11:28:501:28:335:4313:47
5:42
0:00
30K
18.64 mi11:46:411:46:245:4317:51
5:45
+0:03
20M
20.00 mi11:54:171:54:005:437:36
5:36
-0:09
21M
21.00 mi12:00:101:59:535:435:53
5:53
+0:17
35K
21.75 mi12:04:132:03:565:424:03
5:25
-0:28
23M
23.00 mi12:11:172:11:005:427:04
5:39
+0:14
24M
24.00 mi12:16:472:16:305:425:30
5:30
-0:09
40K
24.85 mi12:21:292:21:125:414:42
5:30
0:00
25.2M
25.20 mi12:23:332:23:165:422:04
6:00
+0:30
FINISH
26.22 mi12:28:582:28:415:415:25
5:19
-0:41

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

5:19 /mi

Average Pace

5:40 /mi

Slowest Pace

6:00 /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

2:20:44

95% of race

Time at Steady Pace

7:57

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:40 /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 mi10:18:1117:545:4617:54
5:46
#566
10K
6.21 mi10:35:4935:325:4417:38
5:41
#488
15K
9.32 mi10:53:2853:115:4317:39
5:41
#475
20K
12.43 mi11:11:101:10:535:4317:42
5:42
#453
HALF
13.11 mi11:15:031:14:465:433:53
5:42
#459
25K
15.53 mi11:28:501:28:335:4313:47
5:42
#423
30K
18.64 mi11:46:411:46:245:4317:51
5:45
#384
20M
20.00 mi11:54:171:54:005:437:36
5:36
#349
21M
21.00 mi12:00:101:59:535:435:53
5:53
#325
35K
21.75 mi12:04:132:03:565:424:03
5:25
#316
23M
23.00 mi12:11:172:11:005:427:04
5:39
#308
24M
24.00 mi12:16:472:16:305:425:30
5:30
#298
40K
24.85 mi12:21:292:21:125:414:42
5:30
#277
25.2M
25.20 mi12:23:332:23:165:422:04
6:00
#270
FINISH
26.22 mi12:28:582:28:415:415:25
5:19
#265
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi566530530418(Top 1%)392(Top 2%)392(Top 7%)
10K6.21 mi3.10 mi488+78462+68462+68445(Top 2%)419(Top 3%)419(Top 7%)
15K9.32 mi3.11 mi475+13449+13449+13418(Top 1%)392(Top 2%)392(Top 7%)
20K12.43 mi3.11 mi453+22427+22427+22389(Top 1%)368(Top 2%)368(Top 6%)
HALF13.11 mi0.68 mi459-6433-6433-6524(Top 2%)502(Top 3%)502(Top 9%)
25K15.53 mi2.42 mi423+36399+34399+34334(Top 1%)313(Top 2%)313(Top 5%)
30K18.64 mi3.11 mi384+39363+36363+36286(Top 1.0%)267(Top 2%)267(Top 5%)
20M20.00 mi1.36 mi349+35328+35328+35156(Top 0.5%)142(Top 0.9%)142(Top 2%)
21M21.00 mi1.00 mi325+24304+24304+24189(Top 0.7%)178(Top 1%)178(Top 3%)
35K21.75 mi0.75 mi316+9296+8296+8168(Top 0.6%)154(Top 0.9%)154(Top 3%)
23M23.00 mi1.25 mi308+8288+8288+8210(Top 0.7%)196(Top 1%)196(Top 3%)
24M24.00 mi1.00 mi298+10278+10278+10207(Top 0.7%)192(Top 1%)192(Top 3%)
40K24.85 mi0.85 mi277+21258+20258+20133(Top 0.5%)125(Top 0.8%)125(Top 2%)
25.2M25.20 mi0.35 mi270+7251+7251+7188(Top 0.6%)177(Top 1%)177(Top 3%)
FINISH26.22 mi1.02 mi265+5246+5246+5167(Top 0.6%)158(Top 1.0%)158(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21
+97ft-345ft

Overall

418

Males

392

M18-39

392

5K→10K

3.1 - 6.2 mi

Top 2%
×5
+79ft-138ft

Overall

445

Males

419

M18-39

419

10K→15K

6.2 - 9.3 mi

Top 1%
×3
+67ft-78ft

Overall

418

Males

392

M18-39

392

15K→20K

9.3 - 12.4 mi

Top 1%
×5
+106ft-86ft

Overall

389

Males

368

M18-39

368

20K→HALF

12.4 - 13.1 mi

Top 2%
×2
+19ft-37ft

Overall

524

Males

502

M18-39

502

HALF→25K

13.1 - 15.5 mi

Top 1%
×4
+66ft-88ft

Overall

334

Males

313

M18-39

313

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9
+181ft-148ft

Overall

286

Males

267

M18-39

267

30K→20M

18.6 - 20.0 mi

Top 0.5%
×5
+64ft-50ft

Overall

156

Males

142

M18-39

142

20M→21M

20.0 - 21.0 mi

Top 0.7%
×8
+106ft-24ft

Overall

189

Males

178

M18-39

178

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7
+17ft-86ft

Overall

168

Males

154

M18-39

154

35K→23M

21.8 - 23.0 mi

Top 0.7%
×5
+23ft-63ft

Overall

210

Males

196

M18-39

196

23M→24M

23.0 - 24.0 mi

Top 0.7%
×6
+12ft-82ft

Overall

207

Males

192

M18-39

192

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1
+6ft-20ft

Overall

133

Males

125

M18-39

125

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1
+13ft-16ft

Overall

188

Males

177

M18-39

177

25.2M→FINISH

25.2 - 26.2 mi

Top 0.6%
×2
+22ft-21ft

Overall

167

Males

158

M18-39

158

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
345
Passed By
44
Net Change
+301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#566
5K → 10K8810+78#566#488
10K → 15K2411+13#488#475
15K → 20K275+22#475#453
20K → HALF06-6#453#459
HALF → 25K371+36#459#423
25K → 30K456+39#423#384
30K → 20M350+35#384#349
20M → 21M240+24#349#325
21M → 35K90+9#325#316
35K → 23M102+8#316#308
23M → 24M100+10#308#298
24M → 40K210+21#298#277
40K → 25.2M70+7#277#270
25.2M → FINISH83+5#270#265
TOTALS34544+301
📊

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