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BOSTON MARATHON 2026

Craig Castelli

Bib: 11036 •M •Age: N/A

IL

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 26%
Gender (Male)
#0 / 16340
Top 39%
Masters (Masters Men)
#0 / 10617
Top 25%
Age Group (M45-49)
#0 / 2413
Top 38%
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
21:33
3.11 mi
Rank: #8029
Start → 5K
21:33 | 6:57/mi
10K
43:35
6.21 mi
Rank: #8684 (-655)
5K → 10K
22:02 | 7:06/mi
15K
1:05:18
9.32 mi
Rank: #8612 (+72)
10K → 15K
21:43 | 7:00/mi
20K
1:27:07
12.43 mi
Rank: #8437 (+175)
15K → 20K
21:49 | 7:02/mi
HALF
1:31:43
13.11 mi
Rank: #8349 (+88)
20K → HALF
4:36 | 6:45/mi
25K
1:48:40
15.53 mi
Rank: #8128 (+221)
HALF → 25K
16:57 | 7:00/mi
30K
2:11:07
18.64 mi
Rank: #7958 (+170)
25K → 30K
22:27 | 7:14/mi
20M
2:20:57
20.00 mi
Rank: #7859 (+99)
30K → 20M
9:50 | 7:15/mi
21M
2:28:38
21.00 mi
Rank: #7788 (+71)
20M → 21M
7:41 | 7:41/mi
35K
2:33:48
21.75 mi
Rank: #7707 (+81)
21M → 35K
5:10 | 6:55/mi
23M
2:43:06
23.00 mi
Rank: #7682 (+25)
35K → 23M
9:18 | 7:26/mi
24M
2:50:18
24.00 mi
Rank: #7635 (+47)
23M → 24M
7:12 | 7:12/mi
40K
2:56:35
24.85 mi
Rank: #7593 (+42)
24M → 40K
6:17 | 7:21/mi
25.2M
2:59:13
25.20 mi
Rank: #7550 (+43)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:06:14
26.22 mi
Rank: #7485 (+65)
25.2M → FINISH
7:01 | 6:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:31:43
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:39:5421:336:5721:33
6:57
-
10K
6.21 mi11:01:5643:357:0122:02
7:06
+0:09
15K
9.32 mi11:23:391:05:187:0121:43
7:00
-0:06
20K
12.43 mi11:45:281:27:077:0121:49
7:02
+0:02
HALF
13.11 mi11:50:041:31:437:004:36
6:45
-0:17
25K
15.53 mi12:07:011:48:407:0016:57
7:00
+0:15
30K
18.64 mi12:29:282:11:077:0322:27
7:14
+0:14
20M
20.00 mi12:39:182:20:577:039:50
7:15
+0:01
21M
21.00 mi12:46:592:28:387:057:41
7:41
+0:26
35K
21.75 mi12:52:092:33:487:055:10
6:55
-0:46
23M
23.00 mi13:01:272:43:067:069:18
7:26
+0:31
24M
24.00 mi13:08:392:50:187:067:12
7:12
-0:14
40K
24.85 mi13:14:562:56:357:076:17
7:21
+0:09
25.2M
25.20 mi13:17:342:59:137:072:38
7:39
+0:18
FINISH
26.22 mi13:24:353:06:147:077:01
6:54
-0:45

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

6:45 /mi

Average Pace

7:06 /mi

Slowest Pace

7:41 /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

2:46:37

89% of race

Time at Steady Pace

19:37

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:06 /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 mi10:39:5421:336:5721:33
6:57
#8029
10K
6.21 mi11:01:5643:357:0122:02
7:06
#8684
15K
9.32 mi11:23:391:05:187:0121:43
7:00
#8612
20K
12.43 mi11:45:281:27:077:0121:49
7:02
#8437
HALF
13.11 mi11:50:041:31:437:004:36
6:45
#8349
25K
15.53 mi12:07:011:48:407:0016:57
7:00
#8128
30K
18.64 mi12:29:282:11:077:0322:27
7:14
#7958
20M
20.00 mi12:39:182:20:577:039:50
7:15
#7859
21M
21.00 mi12:46:592:28:387:057:41
7:41
#7788
35K
21.75 mi12:52:092:33:487:055:10
6:55
#7707
23M
23.00 mi13:01:272:43:067:069:18
7:26
#7682
24M
24.00 mi13:08:392:50:187:067:12
7:12
#7635
40K
24.85 mi13:14:562:56:357:076:17
7:21
#7593
25.2M
25.20 mi13:17:342:59:137:072:38
7:39
#7550
FINISH
26.22 mi13:24:353:06:147:077:01
6:54
#7485
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8029691369138505(Top 29%)7178(Top 44%)7178(Top 297%)
10K6.21 mi3.10 mi8684-6557317-4047317-4049342(Top 32%)7696(Top 47%)7696(Top 319%)
15K9.32 mi3.11 mi8612+727271+467271+468505(Top 29%)7178(Top 44%)7178(Top 297%)
20K12.43 mi3.11 mi8437+1757148+1237148+1238024(Top 28%)6851(Top 42%)6851(Top 284%)
HALF13.11 mi0.68 mi8349+887089+597089+596646(Top 23%)5926(Top 36%)5926(Top 246%)
25K15.53 mi2.42 mi8128+2216947+1426947+1427326(Top 25%)6334(Top 39%)6334(Top 262%)
30K18.64 mi3.11 mi7958+1706800+1476800+1477568(Top 26%)6351(Top 39%)6351(Top 263%)
20M20.00 mi1.36 mi7859+996722+786722+787230(Top 25%)6051(Top 37%)6051(Top 251%)
21M21.00 mi1.00 mi7788+716651+716651+717705(Top 27%)6195(Top 38%)6195(Top 257%)
35K21.75 mi0.75 mi7707+816591+606591+606444(Top 22%)5465(Top 33%)5465(Top 226%)
23M23.00 mi1.25 mi7682+256546+456546+458336(Top 29%)6512(Top 40%)6512(Top 270%)
24M24.00 mi1.00 mi7635+476497+496497+497847(Top 27%)6162(Top 38%)6162(Top 255%)
40K24.85 mi0.85 mi7593+426439+586439+587775(Top 27%)6046(Top 37%)6046(Top 251%)
25.2M25.20 mi0.35 mi7550+436401+386401+386032(Top 21%)4951(Top 30%)4951(Top 205%)
FINISH26.22 mi1.02 mi7485+656340+616340+616684(Top 23%)5311(Top 33%)5311(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21
+97ft-345ft

Overall

8505

Males

7178

M45-49

7178

5K→10K

3.1 - 6.2 mi

Top 32%
×5
+79ft-138ft

Overall

9342

Males

7696

M45-49

7696

10K→15K

6.2 - 9.3 mi

Top 29%
×3
+67ft-78ft

Overall

8505

Males

7178

M45-49

7178

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8024

Males

6851

M45-49

6851

20K→HALF

12.4 - 13.1 mi

Top 23%
×2
+19ft-37ft

Overall

6646

Males

5926

M45-49

5926

HALF→25K

13.1 - 15.5 mi

Top 25%
×4
+66ft-88ft

Overall

7326

Males

6334

M45-49

6334

25K→30K

15.5 - 18.6 mi

Top 26%
×9
+181ft-148ft

Overall

7568

Males

6351

M45-49

6351

30K→20M

18.6 - 20.0 mi

Top 25%
×5
+64ft-50ft

Overall

7230

Males

6051

M45-49

6051

20M→21M

20.0 - 21.0 mi

Top 27%
×8
+106ft-24ft

Overall

7705

Males

6195

M45-49

6195

21M→35K

21.0 - 21.8 mi

Top 22%
×7
+17ft-86ft

Overall

6444

Males

5465

M45-49

5465

35K→23M

21.8 - 23.0 mi

Top 29%
×5
+23ft-63ft

Overall

8336

Males

6512

M45-49

6512

23M→24M

23.0 - 24.0 mi

Top 27%
×6
+12ft-82ft

Overall

7847

Males

6162

M45-49

6162

24M→40K

24.0 - 24.9 mi

Top 27%
×1
+6ft-20ft

Overall

7775

Males

6046

M45-49

6046

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

6032

Males

4951

M45-49

4951

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
×2
+22ft-21ft

Overall

6684

Males

5311

M45-49

5311

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1764*
Passed By
714
Net Change
+544
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8029
5K → 10K51200-655#8029#8684
10K → 15K187115+72#8684#8612
15K → 20K220*45+175#8612#8437
20K → HALF902+88#8437#8349
HALF → 25K240*19+221#8349#8128
25K → 30K241*71+170#8128#7958
30K → 20M12122+99#7958#7859
20M → 21M10332+71#7859#7788
21M → 35K909+81#7788#7707
35K → 23M9570+25#7707#7682
23M → 24M8841+47#7682#7635
24M → 40K9452+42#7635#7593
40K → 25.2M474+43#7593#7550
25.2M → FINISH9732+65#7550#7485
TOTALS1764*714+544

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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