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BOSTON MARATHON 2026

Daniel Caso

Bib: 1551β€’M

MA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 4%
Gender (Male)
#0 / 16340
Top 8%
Age Group (M18-39)
#0 / 5723
Top 19%
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
18:59
3.11 mi
Rank: #1632
Start β†’ 5K
18:59 | 6:07/mi
10K
37:25
6.21 mi
Rank: #1342 (+290)
5K β†’ 10K
18:26 | 5:56/mi
15K
55:41
9.32 mi
Rank: #1179 (+163)
10K β†’ 15K
18:16 | 5:53/mi
20K
1:14:07
12.43 mi
Rank: #1092 (+87)
15K β†’ 20K
18:26 | 5:56/mi
HALF
1:18:08
13.11 mi
Rank: #1082 (+10)
20K β†’ HALF
4:01 | 5:54/mi
25K
1:32:24
15.53 mi
Rank: #997 (+85)
HALF β†’ 25K
14:16 | 5:53/mi
30K
1:51:32
18.64 mi
Rank: #1014 (-17)
25K β†’ 30K
19:08 | 6:10/mi
20M
2:01:11
20.00 mi
Rank: #1249 (-235)
30K β†’ 20M
9:39 | 7:07/mi
21M
2:07:38
21.00 mi
Rank: #1223 (+26)
20M β†’ 21M
6:27 | 6:27/mi
35K
2:12:09
21.75 mi
Rank: #1218 (+5)
21M β†’ 35K
4:31 | 6:03/mi
23M
2:20:00
23.00 mi
Rank: #1204 (+14)
35K β†’ 23M
7:51 | 6:17/mi
24M
2:26:22
24.00 mi
Rank: #1245 (-41)
23M β†’ 24M
6:22 | 6:22/mi
40K
2:31:57
24.85 mi
Rank: #1270 (-25)
24M β†’ 40K
5:35 | 6:32/mi
25.2M
2:34:19
25.20 mi
Rank: #1272 (-2)
40K β†’ 25.2M
2:22 | 6:52/mi
FINISH
2:40:45
26.22 mi
Rank: #1303 (-31)
25.2M β†’ FINISH
6:26 | 6:19/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:18:08
Pace5:58 /mi
2nd Half
Distance13.11 mi
Time1:22:37
Pace6:19 /mi
πŸ“ŠPositive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4318:596:0718:59
6:07
-
10K
6.21 mi10:38:0937:256:0218:26
5:56
-0:11
15K
9.32 mi10:56:2555:415:5918:16
5:53
-0:03
20K
12.43 mi11:14:511:14:075:5818:26
5:56
+0:03
HALF
13.11 mi11:18:521:18:085:584:01
5:54
-0:02
25K
15.53 mi11:33:081:32:245:5714:16
5:53
-0:01
30K
18.64 mi11:52:161:51:325:5919:08
6:10
+0:17
20M
20.00 mi12:01:552:01:116:049:39
7:07
+0:57
21M
21.00 mi12:08:222:07:386:056:27
6:27
-0:40
35K
21.75 mi12:12:532:12:096:054:31
6:03
-0:24
23M
23.00 mi12:20:442:20:006:067:51
6:17
+0:14
24M
24.00 mi12:27:062:26:226:066:22
6:22
+0:05
40K
24.85 mi12:32:412:31:576:075:35
6:32
+0:10
25.2M
25.20 mi12:35:032:34:196:082:22
6:52
+0:20
FINISH
26.22 mi12:41:292:40:456:096:26
6:19
-0:33

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

5:53 /mi

Average Pace

6:08 /mi

Slowest Pace

7:07 /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

1:13:25

46% of race

Time at Steady Pace

56:55

35% of race

Time at Slower Pace

30:25

19% of race

Average Pace: 6:08 /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 mi10:19:4318:596:0718:59
6:07
#1632
10K
6.21 mi10:38:0937:256:0218:26
5:56
#1342
15K
9.32 mi10:56:2555:415:5918:16
5:53
#1179
20K
12.43 mi11:14:511:14:075:5818:26
5:56
#1092
HALF
13.11 mi11:18:521:18:085:584:01
5:54
#1082
25K
15.53 mi11:33:081:32:245:5714:16
5:53
#997
30K
18.64 mi11:52:161:51:325:5919:08
6:10
#1014
20M
20.00 mi12:01:552:01:116:049:39
7:07
#1249
21M
21.00 mi12:08:222:07:386:056:27
6:27
#1223
35K
21.75 mi12:12:532:12:096:054:31
6:03
#1218
23M
23.00 mi12:20:442:20:006:067:51
6:17
#1204
24M
24.00 mi12:27:062:26:226:066:22
6:22
#1245
40K
24.85 mi12:32:412:31:576:075:35
6:32
#1270
25.2M
25.20 mi12:35:032:34:196:082:22
6:52
#1272
FINISH
26.22 mi12:41:292:40:456:096:26
6:19
#1303
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 mi163215671567886(Top 3%)851(Top 5%)851(Top 15%)
10K6.21 mi3.10 mi1342+2901288+2791288+2791087(Top 4%)1043(Top 6%)1043(Top 18%)
15K9.32 mi3.11 mi1179+1631129+1591129+159886(Top 3%)851(Top 5%)851(Top 15%)
20K12.43 mi3.11 mi1092+871047+821047+82917(Top 3%)885(Top 5%)885(Top 15%)
HALF13.11 mi0.68 mi1082+101038+91038+91003(Top 3%)966(Top 6%)966(Top 17%)
25K15.53 mi2.42 mi997+85957+81957+81699(Top 2%)676(Top 4%)676(Top 12%)
30K18.64 mi3.11 mi1014-17972-15972-151137(Top 4%)1095(Top 7%)1095(Top 19%)
20M20.00 mi1.36 mi1249-2351203-2311203-2316232(Top 21%)5386(Top 33%)5386(Top 94%)
21M21.00 mi1.00 mi1223+261177+261177+261101(Top 4%)1057(Top 6%)1057(Top 18%)
35K21.75 mi0.75 mi1218+51172+51172+51323(Top 5%)1271(Top 8%)1271(Top 22%)
23M23.00 mi1.25 mi1204+141159+131159+131448(Top 5%)1384(Top 8%)1384(Top 24%)
24M24.00 mi1.00 mi1245-411198-391198-392467(Top 9%)2291(Top 14%)2291(Top 40%)
40K24.85 mi0.85 mi1270-251221-231221-232646(Top 9%)2429(Top 15%)2429(Top 42%)
25.2M25.20 mi0.35 mi1272-2122112212025(Top 7%)1873(Top 11%)1873(Top 33%)
FINISH26.22 mi1.02 mi1303-311252-311252-313060(Top 11%)2719(Top 17%)2719(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

886

Males

851

M18-39

851

5K→10K

3.1 - 6.2 mi

Top 4%
Γ—5
+79ft-138ft

Overall

1087

Males

1043

M18-39

1043

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

886

Males

851

M18-39

851

15K→20K

9.3 - 12.4 mi

Top 3%
Γ—5
+106ft-86ft

Overall

917

Males

885

M18-39

885

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

1003

Males

966

M18-39

966

HALF→25K

13.1 - 15.5 mi

Top 2%
Γ—4
+66ft-88ft

Overall

699

Males

676

M18-39

676

25K→30K

15.5 - 18.6 mi

Top 4%
Γ—9
+181ft-148ft

Overall

1137

Males

1095

M18-39

1095

30K→20M

18.6 - 20.0 mi

Top 21%
Γ—5
+64ft-50ft

Overall

6232

Males

5386

M18-39

5386

20M→21M

20.0 - 21.0 mi

Top 4%
Γ—8
+106ft-24ft

Overall

1101

Males

1057

M18-39

1057

21M→35K

21.0 - 21.8 mi

Top 5%
Γ—7
+17ft-86ft

Overall

1323

Males

1271

M18-39

1271

35K→23M

21.8 - 23.0 mi

Top 5%
Γ—5
+23ft-63ft

Overall

1448

Males

1384

M18-39

1384

23M→24M

23.0 - 24.0 mi

Top 9%
Γ—6
+12ft-82ft

Overall

2467

Males

2291

M18-39

2291

24M→40K

24.0 - 24.9 mi

Top 9%
Γ—1
+6ft-20ft

Overall

2646

Males

2429

M18-39

2429

40K→25.2M

24.9 - 25.2 mi

Top 7%
Γ—1
+13ft-16ft

Overall

2025

Males

1873

M18-39

1873

25.2M→FINISH

25.2 - 26.2 mi

Top 11%
Γ—2
+22ft-21ft

Overall

3060

Males

2719

M18-39

2719

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
829
Passed By
500
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1632
5K β†’ 10K2966+290#1632#1342
10K β†’ 15K1652+163#1342#1179
15K β†’ 20K947+87#1179#1092
20K β†’ HALF133+10#1092#1082
HALF β†’ 25K872+85#1082#997
25K β†’ 30K4461-17#997#1014
30K β†’ 20M1236-235#1014#1249
20M β†’ 21M348+26#1249#1223
21M β†’ 35K1510+5#1223#1218
35K β†’ 23M3925+14#1218#1204
23M β†’ 24M1354-41#1204#1245
24M β†’ 40K1136-25#1245#1270
40K β†’ 25.2M79-2#1270#1272
25.2M β†’ FINISH1041-31#1272#1303
TOTALS829500+329
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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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