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BOSTON MARATHON 2026

Ivan Gastelum Serrano

Bib: 16850β€’X

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0:00
0:00
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Overall
#0 / 29021
Top 33%
Gender (Other)
#0 / 103
Top 33%
Age Group
Not available
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
21:51
3.11 mi
Rank: #8825
Start β†’ 5K
21:51 | 7:02/mi
10K
44:19
6.21 mi
Rank: #9604 (-779)
5K β†’ 10K
22:28 | 7:14/mi
15K
1:06:54
9.32 mi
Rank: #9941 (-337)
10K β†’ 15K
22:35 | 7:17/mi
20K
1:29:52
12.43 mi
Rank: #10180 (-239)
15K β†’ 20K
22:58 | 7:24/mi
HALF
1:34:51
13.11 mi
Rank: #10235 (-55)
20K β†’ HALF
4:59 | 7:19/mi
25K
1:53:10
15.53 mi
Rank: #10451 (-216)
HALF β†’ 25K
18:19 | 7:34/mi
30K
2:17:05
18.64 mi
Rank: #10558 (-107)
25K β†’ 30K
23:55 | 7:42/mi
20M
2:27:37
20.00 mi
Rank: #10592 (-34)
30K β†’ 20M
10:32 | 7:46/mi
21M
2:35:45
21.00 mi
Rank: #10567 (+25)
20M β†’ 21M
8:08 | 8:08/mi
35K
2:41:11
21.75 mi
Rank: #10484 (+83)
21M β†’ 35K
5:26 | 7:16/mi
23M
2:50:31
23.00 mi
Rank: #10305 (+179)
35K β†’ 23M
9:20 | 7:28/mi
24M
2:57:37
24.00 mi
Rank: #10113 (+192)
23M β†’ 24M
7:06 | 7:06/mi
40K
3:03:41
24.85 mi
Rank: #9914 (+199)
24M β†’ 40K
6:04 | 7:06/mi
25.2M
3:06:16
25.20 mi
Rank: #9810 (+104)
40K β†’ 25.2M
2:35 | 7:30/mi
FINISH
3:13:27
26.22 mi
Rank: #9694 (+116)
25.2M β†’ FINISH
7:11 | 7:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:51
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:38:36
Pace7:32 /mi
πŸ“ŠPositive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:03:1521:517:0221:51
7:02
-
10K
6.21 mi11:25:4344:197:0822:28
7:14
+0:12
15K
9.32 mi11:48:181:06:547:1122:35
7:17
+0:03
20K
12.43 mi12:11:161:29:527:1422:58
7:24
+0:07
HALF
13.11 mi12:16:151:34:517:154:59
7:19
-0:05
25K
15.53 mi12:34:341:53:107:1818:19
7:34
+0:15
30K
18.64 mi12:58:292:17:057:2223:55
7:42
+0:08
20M
20.00 mi13:09:012:27:377:2310:32
7:46
+0:04
21M
21.00 mi13:17:092:35:457:268:08
8:08
+0:22
35K
21.75 mi13:22:352:41:117:255:26
7:16
-0:52
23M
23.00 mi13:31:552:50:317:259:20
7:28
+0:12
24M
24.00 mi13:39:012:57:377:257:06
7:06
-0:22
40K
24.85 mi13:45:053:03:417:246:04
7:06
0:00
25.2M
25.20 mi13:47:403:06:167:242:35
7:30
+0:24
FINISH
26.22 mi13:54:513:13:277:247:11
7:03
-0:27

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

7:02 /mi

Average Pace

7:23 /mi

Slowest Pace

8:08 /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

2:54:47

90% of race

Time at Steady Pace

18:40

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi11:03:1521:517:0221:51
7:02
#8825
10K
6.21 mi11:25:4344:197:0822:28
7:14
#9604
15K
9.32 mi11:48:181:06:547:1122:35
7:17
#9941
20K
12.43 mi12:11:161:29:527:1422:58
7:24
#10180
HALF
13.11 mi12:16:151:34:517:154:59
7:19
#10235
25K
15.53 mi12:34:341:53:107:1818:19
7:34
#10451
30K
18.64 mi12:58:292:17:057:2223:55
7:42
#10558
20M
20.00 mi13:09:012:27:377:2310:32
7:46
#10592
21M
21.00 mi13:17:092:35:457:268:08
8:08
#10567
35K
21.75 mi13:22:352:41:117:255:26
7:16
#10484
23M
23.00 mi13:31:552:50:317:259:20
7:28
#10305
24M
24.00 mi13:39:012:57:377:257:06
7:06
#10113
40K
24.85 mi13:45:053:03:417:246:04
7:06
#9914
25.2M
25.20 mi13:47:403:06:167:242:35
7:30
#9810
FINISH
26.22 mi13:54:513:13:277:247:11
7:03
#9694
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi8825313110791(Top 37%)42(Top 41%)42
10K6.21 mi3.10 mi9604-77933-233-210562(Top 36%)38(Top 37%)38
15K9.32 mi3.11 mi9941-33735-235-210791(Top 37%)42(Top 41%)42
20K12.43 mi3.11 mi10180-23936-136-111085(Top 38%)39(Top 38%)39
HALF13.11 mi0.68 mi10235-55363611409(Top 39%)41(Top 40%)41
25K15.53 mi2.42 mi10451-21635+135+111891(Top 41%)46(Top 45%)46
30K18.64 mi3.11 mi10558-107353511239(Top 39%)36(Top 35%)36
20M20.00 mi1.36 mi10592-3436-136-111042(Top 38%)36(Top 35%)36
21M21.00 mi1.00 mi10567+2534+234+210842(Top 37%)37(Top 36%)37
35K21.75 mi0.75 mi10484+8334349110(Top 31%)29(Top 28%)29
23M23.00 mi1.25 mi10305+17933+133+18599(Top 30%)27(Top 26%)27
24M24.00 mi1.00 mi10113+19232+132+17221(Top 25%)22(Top 21%)22
40K24.85 mi0.85 mi9914+19932326156(Top 21%)20(Top 19%)20
25.2M25.20 mi0.35 mi9810+10432325324(Top 18%)17(Top 17%)17
FINISH26.22 mi1.02 mi9694+11632328036(Top 28%)31(Top 30%)31

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
Γ—21
+97ft-345ft

Overall

10791

X

42

Age Div

42

5K→10K

3.1 - 6.2 mi

Top 36%
Γ—5
+79ft-138ft

Overall

10562

X

38

Age Div

38

10K→15K

6.2 - 9.3 mi

Top 37%
Γ—3
+67ft-78ft

Overall

10791

X

42

Age Div

42

15K→20K

9.3 - 12.4 mi

Top 38%
Γ—5
+106ft-86ft

Overall

11085

X

39

Age Div

39

20K→HALF

12.4 - 13.1 mi

Top 39%
Γ—2
+19ft-37ft

Overall

11409

X

41

Age Div

41

HALF→25K

13.1 - 15.5 mi

Top 41%
Γ—4
+66ft-88ft

Overall

11891

X

46

Age Div

46

25K→30K

15.5 - 18.6 mi

Top 39%
Γ—9
+181ft-148ft

Overall

11239

X

36

Age Div

36

30K→20M

18.6 - 20.0 mi

Top 38%
Γ—5
+64ft-50ft

Overall

11042

X

36

Age Div

36

20M→21M

20.0 - 21.0 mi

Top 37%
Γ—8
+106ft-24ft

Overall

10842

X

37

Age Div

37

21M→35K

21.0 - 21.8 mi

Top 31%
Γ—7
+17ft-86ft

Overall

9110

X

29

Age Div

29

35K→23M

21.8 - 23.0 mi

Top 30%
Γ—5
+23ft-63ft

Overall

8599

X

27

Age Div

27

23M→24M

23.0 - 24.0 mi

Top 25%
Γ—6
+12ft-82ft

Overall

7221

X

22

Age Div

22

24M→40K

24.0 - 24.9 mi

Top 21%
Γ—1
+6ft-20ft

Overall

6156

X

20

Age Div

20

40K→25.2M

24.9 - 25.2 mi

Top 18%
Γ—1
+13ft-16ft

Overall

5324

X

17

Age Div

17

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
Γ—2
+22ft-21ft

Overall

8036

X

31

Age Div

31

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1585*
Passed By
1348
Net Change
-869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#8825
5K β†’ 10K41200-779#8825#9604
10K β†’ 15K74200-337#9604#9941
15K β†’ 20K93200-239#9941#10180
20K β†’ HALF1671-55#10180#10235
HALF β†’ 25K62200-216#10235#10451
25K β†’ 30K157200-107#10451#10558
30K β†’ 20M84118-34#10558#10592
20M β†’ 21M11085+25#10592#10567
21M β†’ 35K9613+83#10567#10484
35K β†’ 23M206*27+179#10484#10305
23M β†’ 24M2008+192#10305#10113
24M β†’ 40K201*2+199#10113#9914
40K β†’ 25.2M1062+104#9914#9810
25.2M β†’ FINISH13922+116#9810#9694
TOTALS1585*1348-869

* 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