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BOSTON MARATHON 2026

Alejandro Troncoso

Bib: 968β€’M

NM

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Overall
#0 / 29021
Top 5%
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
18:28
3.11 mi
Rank: #974
Start β†’ 5K
18:28 | 5:57/mi
10K
36:44
6.21 mi
Rank: #947 (+27)
5K β†’ 10K
18:16 | 5:53/mi
15K
54:53
9.32 mi
Rank: #884 (+63)
10K β†’ 15K
18:09 | 5:51/mi
20K
1:13:09
12.43 mi
Rank: #835 (+49)
15K β†’ 20K
18:16 | 5:53/mi
HALF
1:17:05
13.11 mi
Rank: #820 (+15)
20K β†’ HALF
3:56 | 5:47/mi
25K
1:31:20
15.53 mi
Rank: #789 (+31)
HALF β†’ 25K
14:15 | 5:53/mi
30K
1:49:58
18.64 mi
Rank: #743 (+46)
25K β†’ 30K
18:38 | 6:00/mi
20M
1:58:18
20.00 mi
Rank: #751 (-8)
30K β†’ 20M
8:20 | 6:09/mi
21M
2:05:03
21.00 mi
Rank: #794 (-43)
20M β†’ 21M
6:45 | 6:45/mi
35K
2:09:38
21.75 mi
Rank: #817 (-23)
21M β†’ 35K
4:35 | 6:08/mi
23M
2:17:58
23.00 mi
Rank: #900 (-83)
35K β†’ 23M
8:20 | 6:40/mi
24M
2:24:34
24.00 mi
Rank: #979 (-79)
23M β†’ 24M
6:36 | 6:36/mi
40K
2:30:42
24.85 mi
Rank: #1088 (-109)
24M β†’ 40K
6:08 | 7:11/mi
25.2M
2:33:32
25.20 mi
Rank: #1173 (-85)
40K β†’ 25.2M
2:50 | 8:13/mi
FINISH
2:40:52
26.22 mi
Rank: #1318 (-145)
25.2M β†’ FINISH
7:20 | 7:12/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:17:05
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:23:47
Pace6:24 /mi
πŸ“ŠPositive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5018:285:5718:28
5:57
-
10K
6.21 mi10:37:0636:445:5518:16
5:53
-0:04
15K
9.32 mi10:55:1554:535:5418:09
5:51
-0:02
20K
12.43 mi11:13:311:13:095:5418:16
5:53
+0:02
HALF
13.11 mi11:17:271:17:055:533:56
5:47
-0:06
25K
15.53 mi11:31:421:31:205:5314:15
5:53
+0:06
30K
18.64 mi11:50:201:49:585:5418:38
6:00
+0:07
20M
20.00 mi11:58:401:58:185:558:20
6:09
+0:09
21M
21.00 mi12:05:252:05:035:586:45
6:45
+0:36
35K
21.75 mi12:10:002:09:385:584:35
6:08
-0:37
23M
23.00 mi12:18:202:17:586:008:20
6:40
+0:32
24M
24.00 mi12:24:562:24:346:026:36
6:36
-0:04
40K
24.85 mi12:31:042:30:426:046:08
7:11
+0:35
25.2M
25.20 mi12:33:542:33:326:062:50
8:13
+1:02
FINISH
26.22 mi12:41:142:40:526:097:20
7:12
-1:01

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

5:47 /mi

Average Pace

6:08 /mi

Slowest Pace

8:13 /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

3:56

2% of race

Time at Steady Pace

1:58:57

74% of race

Time at Slower Pace

37:59

24% 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 mi10:18:5018:285:5718:28
5:57
#974
10K
6.21 mi10:37:0636:445:5518:16
5:53
#947
15K
9.32 mi10:55:1554:535:5418:09
5:51
#884
20K
12.43 mi11:13:311:13:095:5418:16
5:53
#835
HALF
13.11 mi11:17:271:17:055:533:56
5:47
#820
25K
15.53 mi11:31:421:31:205:5314:15
5:53
#789
30K
18.64 mi11:50:201:49:585:5418:38
6:00
#743
20M
20.00 mi11:58:401:58:185:558:20
6:09
#751
21M
21.00 mi12:05:252:05:035:586:45
6:45
#794
35K
21.75 mi12:10:002:09:385:584:35
6:08
#817
23M
23.00 mi12:18:202:17:586:008:20
6:40
#900
24M
24.00 mi12:24:562:24:346:026:36
6:36
#979
40K
24.85 mi12:31:042:30:426:046:08
7:11
#1088
25.2M
25.20 mi12:33:542:33:326:062:50
8:13
#1173
FINISH
26.22 mi12:41:142:40:526:097:20
7:12
#1318
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 mi974926926759(Top 3%)727(Top 4%)727(Top 13%)
10K6.21 mi3.10 mi947+27905+21905+21918(Top 3%)879(Top 5%)879(Top 15%)
15K9.32 mi3.11 mi884+63845+60845+60759(Top 3%)727(Top 4%)727(Top 13%)
20K12.43 mi3.11 mi835+49800+45800+45746(Top 3%)720(Top 4%)720(Top 13%)
HALF13.11 mi0.68 mi820+15785+15785+15669(Top 2%)647(Top 4%)647(Top 11%)
25K15.53 mi2.42 mi789+31753+32753+32684(Top 2%)661(Top 4%)661(Top 12%)
30K18.64 mi3.11 mi743+46709+44709+44685(Top 2%)658(Top 4%)658(Top 11%)
20M20.00 mi1.36 mi751-8717-8717-81020(Top 4%)981(Top 6%)981(Top 17%)
21M21.00 mi1.00 mi794-43759-42759-422212(Top 8%)2095(Top 13%)2095(Top 37%)
35K21.75 mi0.75 mi817-23782-23782-231665(Top 6%)1587(Top 10%)1587(Top 28%)
23M23.00 mi1.25 mi900-83861-79861-793209(Top 11%)2944(Top 18%)2944(Top 51%)
24M24.00 mi1.00 mi979-79934-73934-733695(Top 13%)3323(Top 20%)3323(Top 58%)
40K24.85 mi0.85 mi1088-1091044-1101044-1106516(Top 22%)5304(Top 32%)5304(Top 93%)
25.2M25.20 mi0.35 mi1173-851128-841128-849563(Top 33%)6852(Top 42%)6852(Top 120%)
FINISH26.22 mi1.02 mi1318-1451267-1391267-1399044(Top 31%)6592(Top 40%)6592(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
Γ—21
+97ft-345ft

Overall

759

Males

727

M18-39

727

5K→10K

3.1 - 6.2 mi

Top 3%
Γ—5
+79ft-138ft

Overall

918

Males

879

M18-39

879

10K→15K

6.2 - 9.3 mi

Top 3%
Γ—3
+67ft-78ft

Overall

759

Males

727

M18-39

727

15K→20K

9.3 - 12.4 mi

Top 3%
Γ—5
+106ft-86ft

Overall

746

Males

720

M18-39

720

20K→HALF

12.4 - 13.1 mi

Top 2%
Γ—2
+19ft-37ft

Overall

669

Males

647

M18-39

647

HALF→25K

13.1 - 15.5 mi

Top 2%
Γ—4
+66ft-88ft

Overall

684

Males

661

M18-39

661

25K→30K

15.5 - 18.6 mi

Top 2%
Γ—9
+181ft-148ft

Overall

685

Males

658

M18-39

658

30K→20M

18.6 - 20.0 mi

Top 4%
Γ—5
+64ft-50ft

Overall

1020

Males

981

M18-39

981

20M→21M

20.0 - 21.0 mi

Top 8%
Γ—8
+106ft-24ft

Overall

2212

Males

2095

M18-39

2095

21M→35K

21.0 - 21.8 mi

Top 6%
Γ—7
+17ft-86ft

Overall

1665

Males

1587

M18-39

1587

35K→23M

21.8 - 23.0 mi

Top 11%
Γ—5
+23ft-63ft

Overall

3209

Males

2944

M18-39

2944

23M→24M

23.0 - 24.0 mi

Top 13%
Γ—6
+12ft-82ft

Overall

3695

Males

3323

M18-39

3323

24M→40K

24.0 - 24.9 mi

Top 22%
Γ—1
+6ft-20ft

Overall

6516

Males

5304

M18-39

5304

40K→25.2M

24.9 - 25.2 mi

Top 33%
Γ—1
+13ft-16ft

Overall

9563

Males

6852

M18-39

6852

25.2M→FINISH

25.2 - 26.2 mi

Top 31%
Γ—2
+22ft-21ft

Overall

9044

Males

6592

M18-39

6592

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
354
Passed By
698
Net Change
-344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#974
5K β†’ 10K6942+27#974#947
10K β†’ 15K718+63#947#884
15K β†’ 20K6112+49#884#835
20K β†’ HALF150+15#835#820
HALF β†’ 25K4211+31#820#789
25K β†’ 30K559+46#789#743
30K β†’ 20M1321-8#743#751
20M β†’ 21M750-43#751#794
21M β†’ 35K730-23#794#817
35K β†’ 23M790-83#817#900
23M β†’ 24M382-79#900#979
24M β†’ 40K3112-109#979#1088
40K β†’ 25.2M085-85#1088#1173
25.2M β†’ FINISH1146-145#1173#1318
TOTALS354698-344
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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing