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BOSTON MARATHON 2026

Santiago Zepeda Junco

Bib: 1597β€’M

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 2%
Gender (Male)
#0 / 16340
Top 4%
Age Group (M18-39)
#0 / 5723
Top 11%
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
18:55
3.11 mi
Rank: #1558
Start β†’ 5K
18:55 | 6:06/mi
10K
37:25
6.21 mi
Rank: #1353 (+205)
5K β†’ 10K
18:30 | 5:58/mi
15K
56:05
9.32 mi
Rank: #1351 (+2)
10K β†’ 15K
18:40 | 6:01/mi
20K
1:14:45
12.43 mi
Rank: #1309 (+42)
15K β†’ 20K
18:40 | 6:01/mi
HALF
1:18:42
13.11 mi
Rank: #1276 (+33)
20K β†’ HALF
3:57 | 5:48/mi
25K
1:33:12
15.53 mi
Rank: #1216 (+60)
HALF β†’ 25K
14:30 | 5:59/mi
30K
1:51:50
18.64 mi
Rank: #1078 (+138)
25K β†’ 30K
18:38 | 6:00/mi
20M
2:00:01
20.00 mi
Rank: #1025 (+53)
30K β†’ 20M
8:11 | 6:02/mi
21M
2:06:14
21.00 mi
Rank: #986 (+39)
20M β†’ 21M
6:13 | 6:13/mi
35K
2:10:27
21.75 mi
Rank: #942 (+44)
21M β†’ 35K
4:13 | 5:39/mi
23M
2:17:53
23.00 mi
Rank: #889 (+53)
35K β†’ 23M
7:26 | 5:57/mi
24M
2:23:33
24.00 mi
Rank: #833 (+56)
23M β†’ 24M
5:40 | 5:40/mi
40K
2:28:33
24.85 mi
Rank: #805 (+28)
24M β†’ 40K
5:00 | 5:51/mi
25.2M
2:30:35
25.20 mi
Rank: #777 (+28)
40K β†’ 25.2M
2:02 | 5:54/mi
FINISH
2:36:03
26.22 mi
Rank: #725 (+52)
25.2M β†’ FINISH
5:28 | 5:22/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:18:42
Pace6:01 /mi
2nd Halfβœ“ Faster
Distance13.11 mi
Time1:17:21
Pace5:55 /mi
πŸ“ŠNegative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1818:556:0618:55
6:06
-
10K
6.21 mi10:38:4837:256:0218:30
5:58
-0:08
15K
9.32 mi10:57:2856:056:0218:40
6:01
+0:03
20K
12.43 mi11:16:081:14:456:0118:40
6:01
0:00
HALF
13.11 mi11:20:051:18:426:013:57
5:48
-0:13
25K
15.53 mi11:34:351:33:126:0014:30
5:59
+0:11
30K
18.64 mi11:53:131:51:506:0018:38
6:00
+0:01
20M
20.00 mi12:01:242:00:016:018:11
6:02
+0:02
21M
21.00 mi12:07:372:06:146:016:13
6:13
+0:11
35K
21.75 mi12:11:502:10:276:004:13
5:39
-0:34
23M
23.00 mi12:19:162:17:536:007:26
5:57
+0:18
24M
24.00 mi12:24:562:23:335:595:40
5:40
-0:17
40K
24.85 mi12:29:562:28:335:595:00
5:51
+0:11
25.2M
25.20 mi12:31:582:30:355:592:02
5:54
+0:03
FINISH
26.22 mi12:37:262:36:035:585:28
5:22
-0:32

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

5:22 /mi

Average Pace

5:57 /mi

Slowest Pace

6:13 /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

26:20

17% of race

Time at Steady Pace

2:09:43

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:57 /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 mi10:20:1818:556:0618:55
6:06
#1558
10K
6.21 mi10:38:4837:256:0218:30
5:58
#1353
15K
9.32 mi10:57:2856:056:0218:40
6:01
#1351
20K
12.43 mi11:16:081:14:456:0118:40
6:01
#1309
HALF
13.11 mi11:20:051:18:426:013:57
5:48
#1276
25K
15.53 mi11:34:351:33:126:0014:30
5:59
#1216
30K
18.64 mi11:53:131:51:506:0018:38
6:00
#1078
20M
20.00 mi12:01:242:00:016:018:11
6:02
#1025
21M
21.00 mi12:07:372:06:146:016:13
6:13
#986
35K
21.75 mi12:11:502:10:276:004:13
5:39
#942
23M
23.00 mi12:19:162:17:536:007:26
5:57
#889
24M
24.00 mi12:24:562:23:335:595:40
5:40
#833
40K
24.85 mi12:29:562:28:335:595:00
5:51
#805
25.2M
25.20 mi12:31:582:30:355:592:02
5:54
#777
FINISH
26.22 mi12:37:262:36:035:585:28
5:22
#725
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 mi1558150115011399(Top 5%)1344(Top 8%)1344(Top 23%)
10K6.21 mi3.10 mi1353+2051299+2021299+2021183(Top 4%)1139(Top 7%)1139(Top 20%)
15K9.32 mi3.11 mi1351+21297+21297+21399(Top 5%)1344(Top 8%)1344(Top 23%)
20K12.43 mi3.11 mi1309+421258+391258+391202(Top 4%)1156(Top 7%)1156(Top 20%)
HALF13.11 mi0.68 mi1276+331226+321226+32760(Top 3%)733(Top 4%)733(Top 13%)
25K15.53 mi2.42 mi1216+601169+571169+571009(Top 3%)968(Top 6%)968(Top 17%)
30K18.64 mi3.11 mi1078+1381036+1331036+133693(Top 2%)666(Top 4%)666(Top 12%)
20M20.00 mi1.36 mi1025+53983+53983+53737(Top 3%)706(Top 4%)706(Top 12%)
21M21.00 mi1.00 mi986+39943+40943+40579(Top 2%)555(Top 3%)555(Top 10%)
35K21.75 mi0.75 mi942+44902+41902+41409(Top 1%)389(Top 2%)389(Top 7%)
23M23.00 mi1.25 mi889+53850+52850+52567(Top 2%)541(Top 3%)541(Top 9%)
24M24.00 mi1.00 mi833+56799+51799+51388(Top 1%)367(Top 2%)367(Top 6%)
40K24.85 mi0.85 mi805+28771+28771+28490(Top 2%)467(Top 3%)467(Top 8%)
25.2M25.20 mi0.35 mi777+28745+26745+26143(Top 0.5%)134(Top 0.8%)134(Top 2%)
FINISH26.22 mi1.02 mi725+52694+51694+51203(Top 0.7%)193(Top 1%)193(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
Γ—21
+97ft-345ft

Overall

1399

Males

1344

M18-39

1344

5K→10K

3.1 - 6.2 mi

Top 4%
Γ—5
+79ft-138ft

Overall

1183

Males

1139

M18-39

1139

10K→15K

6.2 - 9.3 mi

Top 5%
Γ—3
+67ft-78ft

Overall

1399

Males

1344

M18-39

1344

15K→20K

9.3 - 12.4 mi

Top 4%
Γ—5
+106ft-86ft

Overall

1202

Males

1156

M18-39

1156

20K→HALF

12.4 - 13.1 mi

Top 3%
Γ—2
+19ft-37ft

Overall

760

Males

733

M18-39

733

HALF→25K

13.1 - 15.5 mi

Top 3%
Γ—4
+66ft-88ft

Overall

1009

Males

968

M18-39

968

25K→30K

15.5 - 18.6 mi

Top 2%
Γ—9
+181ft-148ft

Overall

693

Males

666

M18-39

666

30K→20M

18.6 - 20.0 mi

Top 3%
Γ—5
+64ft-50ft

Overall

737

Males

706

M18-39

706

20M→21M

20.0 - 21.0 mi

Top 2%
Γ—8
+106ft-24ft

Overall

579

Males

555

M18-39

555

21M→35K

21.0 - 21.8 mi

Top 1%
Γ—7
+17ft-86ft

Overall

409

Males

389

M18-39

389

35K→23M

21.8 - 23.0 mi

Top 2%
Γ—5
+23ft-63ft

Overall

567

Males

541

M18-39

541

23M→24M

23.0 - 24.0 mi

Top 1%
Γ—6
+12ft-82ft

Overall

388

Males

367

M18-39

367

24M→40K

24.0 - 24.9 mi

Top 2%
Γ—1
+6ft-20ft

Overall

490

Males

467

M18-39

467

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
Γ—1
+13ft-16ft

Overall

143

Males

134

M18-39

134

25.2M→FINISH

25.2 - 26.2 mi

Top 0.7%
Γ—2
+22ft-21ft

Overall

203

Males

193

M18-39

193

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
932*
Passed By
99
Net Change
+833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1558
5K β†’ 10K221*16+205#1558#1353
10K β†’ 15K4139+2#1353#1351
15K β†’ 20K6624+42#1351#1309
20K β†’ HALF330+33#1309#1276
HALF β†’ 25K688+60#1276#1216
25K β†’ 30K1413+138#1216#1078
30K β†’ 20M563+53#1078#1025
20M β†’ 21M423+39#1025#986
21M β†’ 35K440+44#986#942
35K β†’ 23M552+53#942#889
23M β†’ 24M560+56#889#833
24M β†’ 40K280+28#833#805
40K β†’ 25.2M280+28#805#777
25.2M β†’ FINISH531+52#777#725
TOTALS932*99+833

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

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing