All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Jacob Katz

Bib: 32930•M

CO

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°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
26:45
3.11 mi
Rank: #20682
Start → 5K
26:45 | 8:37/mi
10K
53:46
6.21 mi
Rank: #21058 (-376)
5K → 10K
27:01 | 8:42/mi
15K
1:19:46
9.32 mi
Rank: #20474 (+584)
10K → 15K
26:00 | 8:23/mi
20K
1:46:37
12.43 mi
Rank: #20353 (+121)
15K → 20K
26:51 | 8:39/mi
HALF
1:52:20
13.11 mi
Rank: #20314 (+39)
20K → HALF
5:43 | 8:24/mi
25K
2:13:57
15.53 mi
Rank: #20404 (-90)
HALF → 25K
21:37 | 8:55/mi
30K
2:43:11
18.64 mi
Rank: #20623 (-219)
25K → 30K
29:14 | 9:25/mi
20M
2:56:52
20.00 mi
Rank: #20842 (-219)
30K → 20M
13:41 | 10:05/mi
21M
3:07:16
21.00 mi
Rank: #20884 (-42)
20M → 21M
10:24 | 10:24/mi
35K
3:14:43
21.75 mi
Rank: #21017 (-133)
21M → 35K
7:27 | 9:58/mi
23M
3:27:14
23.00 mi
Rank: #21122 (-105)
35K → 23M
12:31 | 10:01/mi
24M
3:37:13
24.00 mi
Rank: #21252 (-130)
23M → 24M
9:59 | 9:59/mi
40K
3:45:39
24.85 mi
Rank: #21284 (-32)
24M → 40K
8:26 | 9:52/mi
25.2M
3:49:21
25.20 mi
Rank: #21303 (-19)
40K → 25.2M
3:42 | 10:44/mi
FINISH
3:58:02
26.22 mi
Rank: #21197 (+106)
25.2M → FINISH
8:41 | 8:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:20
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:05:42
Pace9:36 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:0026:458:3726:45
8:37
-
10K
6.21 mi12:25:0153:468:4027:01
8:42
+0:05
15K
9.32 mi12:51:011:19:468:3426:00
8:23
-0:19
20K
12.43 mi13:17:521:46:378:3526:51
8:39
+0:16
HALF
13.11 mi13:23:351:52:208:355:43
8:24
-0:15
25K
15.53 mi13:45:122:13:578:3821:37
8:55
+0:31
30K
18.64 mi14:14:262:43:118:4629:14
9:25
+0:30
20M
20.00 mi14:28:072:56:528:5113:41
10:05
+0:40
21M
21.00 mi14:38:313:07:168:5610:24
10:24
+0:19
35K
21.75 mi14:45:583:14:438:587:27
9:58
-0:26
23M
23.00 mi14:58:293:27:149:0112:31
10:01
+0:03
24M
24.00 mi15:08:283:37:139:049:59
9:59
-0:02
40K
24.85 mi15:16:543:45:399:058:26
9:52
-0:07
25.2M
25.20 mi15:20:363:49:219:073:42
10:44
+0:52
FINISH
26.22 mi15:29:173:58:029:068:41
8:32
-2:12

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace 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

8:23 /mi

Average Pace

9:05 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

2:22:38

60% of race

Time at Steady Pace

29:14

12% of race

Time at Slower Pace

1:06:10

28% of race

Average Pace: 9:05 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ 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 mi11:58:0026:458:3726:45
8:37
#20682
10K
6.21 mi12:25:0153:468:4027:01
8:42
#21058
15K
9.32 mi12:51:011:19:468:3426:00
8:23
#20474
20K
12.43 mi13:17:521:46:378:3526:51
8:39
#20353
HALF
13.11 mi13:23:351:52:208:355:43
8:24
#20314
25K
15.53 mi13:45:122:13:578:3821:37
8:55
#20404
30K
18.64 mi14:14:262:43:118:4629:14
9:25
#20623
20M
20.00 mi14:28:072:56:528:5113:41
10:05
#20842
21M
21.00 mi14:38:313:07:168:5610:24
10:24
#20884
35K
21.75 mi14:45:583:14:438:587:27
9:58
#21017
23M
23.00 mi14:58:293:27:149:0112:31
10:01
#21122
24M
24.00 mi15:08:283:37:139:049:59
9:59
#21252
40K
24.85 mi15:16:543:45:399:058:26
9:52
#21284
25.2M
25.20 mi15:20:363:49:219:073:42
10:44
#21303
FINISH
26.22 mi15:29:173:58:029:068:41
8:32
#21197
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 mi20682125921259219391(Top 67%)12052(Top 74%)12052(Top 211%)
10K6.21 mi3.10 mi21058-37612789-19712789-19721399(Top 74%)12966(Top 79%)12966(Top 227%)
15K9.32 mi3.11 mi20474+58412533+25612533+25619391(Top 67%)12052(Top 74%)12052(Top 211%)
20K12.43 mi3.11 mi20353+12112457+7612457+7620111(Top 69%)12341(Top 76%)12341(Top 216%)
HALF13.11 mi0.68 mi20314+3912436+2112436+2119543(Top 67%)12125(Top 74%)12125(Top 212%)
25K15.53 mi2.42 mi20404-9012481-4512481-4520769(Top 72%)12635(Top 77%)12635(Top 221%)
30K18.64 mi3.11 mi20623-21912547-6612547-6621327(Top 73%)12811(Top 78%)12811(Top 224%)
20M20.00 mi1.36 mi20842-21912646-9912646-9922763(Top 78%)13427(Top 82%)13427(Top 235%)
21M21.00 mi1.00 mi20884-4212658-1212658-1221669(Top 75%)12866(Top 79%)12866(Top 225%)
35K21.75 mi0.75 mi21017-13312721-6312721-6323021(Top 79%)13468(Top 82%)13468(Top 235%)
23M23.00 mi1.25 mi21122-10512758-3712758-3722122(Top 76%)12972(Top 79%)12972(Top 227%)
24M24.00 mi1.00 mi21252-13012806-4812806-4822738(Top 78%)13245(Top 81%)13245(Top 231%)
40K24.85 mi0.85 mi21284-3212812-612812-621530(Top 74%)12593(Top 77%)12593(Top 220%)
25.2M25.20 mi0.35 mi21303-1912818-612818-621697(Top 75%)12696(Top 78%)12696(Top 222%)
FINISH26.22 mi1.02 mi21197+10612761+5712761+5718266(Top 63%)11022(Top 67%)11022(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19391

Males

12052

M18-39

12052

5K→10K

3.1 - 6.2 mi

Top 74%
×5
+79ft-138ft

Overall

21399

Males

12966

M18-39

12966

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19391

Males

12052

M18-39

12052

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20111

Males

12341

M18-39

12341

20K→HALF

12.4 - 13.1 mi

Top 67%
×2
+19ft-37ft

Overall

19543

Males

12125

M18-39

12125

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20769

Males

12635

M18-39

12635

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21327

Males

12811

M18-39

12811

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22763

Males

13427

M18-39

13427

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21669

Males

12866

M18-39

12866

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

23021

Males

13468

M18-39

13468

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22122

Males

12972

M18-39

12972

23M→24M

23.0 - 24.0 mi

Top 78%
×6
+12ft-82ft

Overall

22738

Males

13245

M18-39

13245

24M→40K

24.0 - 24.9 mi

Top 74%
×1
+6ft-20ft

Overall

21530

Males

12593

M18-39

12593

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21697

Males

12696

M18-39

12696

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18266

Males

11022

M18-39

11022

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1616*
Passed By
1632
Net Change
-515
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20682
5K → 10K140200-376#20682#21058
10K → 15K617*33+584#21058#20474
15K → 20K227*106+121#20474#20353
20K → HALF5415+39#20353#20314
HALF → 25K100190-90#20314#20404
25K → 30K115200-219#20404#20623
30K → 20M30200-219#20623#20842
20M → 21M5799-42#20842#20884
21M → 35K23156-133#20884#21017
35K → 23M51156-105#21017#21122
23M → 24M25155-130#21122#21252
24M → 40K3870-32#21252#21284
40K → 25.2M1837-19#21284#21303
25.2M → FINISH12115+106#21303#21197
TOTALS1616*1632-515

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing