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BOSTON MARATHON 2026

Daniel Duran Sidera

Bib: 1299 M ES

0:00
0:00
/ mi
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Overall
#0 / 29021
Top 4%
Gender (Male)
#0 / 16340
Top 6%
Division (M18-39)
#0 / 5723
Top 16%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:01/mi
18:39
↑ 97↓ 345
10K· 6.21 mi
5:54/mi
36:58
↑ 79↓ 138
15K· 9.32 mi
5:53/mi
55:14
↑ 67↓ 78
20K· 12.43 mi
5:53/mi
1:13:29
↑ 106↓ 86
HALF· 13.11 mi
5:51/mi
1:17:28
↑ 19↓ 37
25K· 15.53 mi
5:56/mi
1:31:50
↑ 66↓ 88
30K· 18.64 mi
6:12/mi
1:51:03
↑ 181↓ 148
20M
6:14/mi
1:59:31
↑ 64↓ 50
21M
6:35/mi
2:06:06
↑ 106↓ 24
35K· 21.75 mi
6:09/mi
2:10:42
↑ 17↓ 86
23M
6:30/mi
2:18:50
↑ 23↓ 63
24M
6:07/mi
2:24:57
↓ 82
40K· 24.85 mi
6:21/mi
2:30:22
↓ 20
25.2M
7:07/mi
2:32:49
↑ 13↓ 16
FINISH· 26.22 mi
6:16/mi
2:39:12
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via HALF
1:17:285:55 /mi⚡ faster
2nd Half
1:21:446:15 /mi+5.5%
Positive split — 5.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
18:396:013.11 mi18:39
6:01
-
10K
36:585:573.10 mi18:19
5:54
-0:07
15K
55:145:563.11 mi18:16
5:53
-0:01
20K
1:13:295:553.11 mi18:15
5:53
0:00
HALF(13.11 mi)
1:17:285:550.68 mi3:59
5:51
-0:02
25K
1:31:505:552.42 mi14:22
5:56
+0:05
30K
1:51:035:583.11 mi19:13
6:12
+0:16
20M
1:59:315:591.36 mi8:28
6:14
+0:02
21M
2:06:066:011.00 mi6:35
6:35
+0:21
35K
2:10:426:010.75 mi4:36
6:09
-0:26
23M
2:18:506:031.25 mi8:08
6:30
+0:21
24M
2:24:576:031.00 mi6:07
6:07
-0:23
40K
2:30:226:030.85 mi5:25
6:21
+0:14
25.2M
2:32:496:040.35 mi2:27
7:07
+0:46
FINISH(26.22 mi)
2:39:126:051.02 mi6:23
6:16
-0:51
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:51 /mi

Average Pace

6:05 /mi

Slowest Pace

7:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:13:11

46% of race

Time at Steady Pace

1:03:26

40% of race

Time at Slower Pace

22:35

14% of race

Average Pace: 6:04 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi118911351135881846846
10K3.10 mi1067+1221019+1161019+116974934934
15K3.11 mi995+72954+65954+65881846846
20K3.11 mi920+75881+73881+73730704704
HALF(13.11 mi)0.68 mi917+3879+2879+2846812812
25K2.42 mi881+36843+36843+36802772772
30K3.11 mi916-35878-35878-35122011771177
20M1.36 mi945-29907-29907-29127712251225
21M1.00 mi966-21925-18925-18152014551455
35K0.75 mi980-14937-12937-12175016701670
23M1.25 mi1025-45980-43980-43238122372237
24M1.00 mi1026-1981-1981-1142313511351
40K0.85 mi1036-10992-11992-11183817261726
25.2M0.35 mi1062-261018-261018-26301726872687
FINISH(26.22 mi)1.02 mi1104-421059-411059-41278424982498

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

881

Males

846

M18-39

846

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

974

Males

934

M18-39

934

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

881

Males

846

M18-39

846

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

730

Males

704

M18-39

704

20K→HALF

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

846

Males

812

M18-39

812

HALF→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

802

Males

772

M18-39

772

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1220

Males

1177

M18-39

1177

30K→20M

18.6 - 20.0 mi

Top 4%
×5story building
+64ft-50ft

Overall

1277

Males

1225

M18-39

1225

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1520

Males

1455

M18-39

1455

21M→35K

21.0 - 21.8 mi

Top 6%
×7story building
+17ft-86ft

Overall

1750

Males

1670

M18-39

1670

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2381

Males

2237

M18-39

2237

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1423

Males

1351

M18-39

1351

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1838

Males

1726

M18-39

1726

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

3017

Males

2687

M18-39

2687

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2784

Males

2498

M18-39

2498

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1189
5K → 10K
18140+122
#1189 → #1067
10K → 15K
1183+72
#1067 → #995
15K → 20K
378+75
#995 → #920
20K → HALF
58+3
#920 → #917
HALF → 25K
844+36
#917 → #881
25K → 30K
6732-35
#881 → #916
30K → 20M
378-29
#916 → #945
20M → 21M
3312-21
#945 → #966
21M → 35K
228-14
#966 → #980
35K → 23M
6015-45
#980 → #1025
23M → 24M
1716-1
#1025 → #1026
24M → 40K
2313-10
#1026 → #1036
40K → 25.2M
293-26
#1036 → #1062
25.2M → FINISH
5412-42
#1062 → #1104
TOTALS
387472+85
#1189 → #1104

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing