All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jacob Zielinski

Bib: 2366 •M •Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 27%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast clouds
Personalized for Jacob

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 6:23/mi at mile 3.1

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Potential Focus Areas
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
19:49
3.11 mi
Rank: #3285
Start → 5K
19:49 | 6:23/mi
10K
39:48
6.21 mi
Rank: #3530 (-245)
5K → 10K
19:59 | 6:26/mi
15K
59:47
9.32 mi
Rank: #3582 (-52)
10K → 15K
19:59 | 6:26/mi
20K
1:19:52
12.43 mi
Rank: #3536 (+46)
15K → 20K
20:05 | 6:28/mi
HALF
1:24:14
13.11 mi
Rank: #3542 (-6)
20K → HALF
4:22 | 6:25/mi
25K
1:40:13
15.53 mi
Rank: #3605 (-63)
HALF → 25K
15:59 | 6:36/mi
30K
2:01:38
18.64 mi
Rank: #3791 (-186)
25K → 30K
21:25 | 6:54/mi
20M
2:11:22
20.00 mi
Rank: #3956 (-165)
30K → 20M
9:44 | 7:10/mi
21M
2:19:00
21.00 mi
Rank: #4099 (-143)
20M → 21M
7:38 | 7:38/mi
35K
2:24:14
21.75 mi
Rank: #4169 (-70)
21M → 35K
5:14 | 7:00/mi
23M
2:33:30
23.00 mi
Rank: #4349 (-180)
35K → 23M
9:16 | 7:25/mi
24M
2:40:38
24.00 mi
Rank: #4478 (-129)
23M → 24M
7:08 | 7:08/mi
40K
2:46:53
24.85 mi
Rank: #4562 (-84)
24M → 40K
6:15 | 7:19/mi
25.2M
2:49:37
25.20 mi
Rank: #4618 (-56)
40K → 25.2M
2:44 | 7:56/mi
FINISH
2:57:05
26.22 mi
Rank: #4812 (-194)
25.2M → FINISH
7:28 | 7:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:24:14
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:32:51
Pace7:05 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:496:2319:49
6:23
-
10K
6.21 mi10:40:5339:486:2519:59
6:26
+0:03
15K
9.32 mi11:00:5259:476:2519:59
6:26
0:00
20K
12.43 mi11:20:571:19:526:2620:05
6:28
+0:02
HALF
13.11 mi11:25:191:24:146:264:22
6:25
-0:03
25K
15.53 mi11:41:181:40:136:2815:59
6:36
+0:11
30K
18.64 mi12:02:432:01:386:3221:25
6:54
+0:18
20M
20.00 mi12:12:272:11:226:359:44
7:10
+0:16
21M
21.00 mi12:20:052:19:006:387:38
7:38
+0:28
35K
21.75 mi12:25:192:24:146:385:14
7:00
-0:38
23M
23.00 mi12:34:352:33:306:419:16
7:25
+0:25
24M
24.00 mi12:41:432:40:386:427:08
7:08
-0:17
40K
24.85 mi12:47:582:46:536:436:15
7:19
+0:11
25.2M
25.20 mi12:50:422:49:376:442:44
7:56
+0:37
FINISH
26.22 mi12:58:102:57:056:467:28
7:20
-0:36

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

6:23 /mi

Average Pace

6:46 /mi

Slowest Pace

7:56 /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

1:40:13

57% of race

Time at Steady Pace

43:31

25% of race

Time at Slower Pace

33:21

19% of race

Average Pace: 6:45 /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 mi10:20:5419:496:2319:49
6:23
#3285
10K
6.21 mi10:40:5339:486:2519:59
6:26
#3530
15K
9.32 mi11:00:5259:476:2519:59
6:26
#3582
20K
12.43 mi11:20:571:19:526:2620:05
6:28
#3536
HALF
13.11 mi11:25:191:24:146:264:22
6:25
#3542
25K
15.53 mi11:41:181:40:136:2815:59
6:36
#3605
30K
18.64 mi12:02:432:01:386:3221:25
6:54
#3791
20M
20.00 mi12:12:272:11:226:359:44
7:10
#3956
21M
21.00 mi12:20:052:19:006:387:38
7:38
#4099
35K
21.75 mi12:25:192:24:146:385:14
7:00
#4169
23M
23.00 mi12:34:352:33:306:419:16
7:25
#4349
24M
24.00 mi12:41:432:40:386:427:08
7:08
#4478
40K
24.85 mi12:47:582:46:536:436:15
7:19
#4562
25.2M
25.20 mi12:50:422:49:376:442:44
7:56
#4618
FINISH
26.22 mi12:58:102:57:056:467:28
7:20
#4812
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 mi3285313931393730(Top 13%)3560(Top 22%)3560(Top 62%)
10K6.21 mi3.10 mi3530-2453374-2353374-2353738(Top 13%)3556(Top 22%)3556(Top 62%)
15K9.32 mi3.11 mi3582-523418-443418-443730(Top 13%)3560(Top 22%)3560(Top 62%)
20K12.43 mi3.11 mi3536+463379+393379+393549(Top 12%)3391(Top 21%)3391(Top 59%)
HALF13.11 mi0.68 mi3542-63386-73386-73796(Top 13%)3613(Top 22%)3613(Top 63%)
25K15.53 mi2.42 mi3605-633443-573443-574066(Top 14%)3817(Top 23%)3817(Top 67%)
30K18.64 mi3.11 mi3791-1863604-1613604-1615097(Top 18%)4605(Top 28%)4605(Top 80%)
20M20.00 mi1.36 mi3956-1653733-1293733-1296663(Top 23%)5684(Top 35%)5684(Top 99%)
21M21.00 mi1.00 mi4099-1433853-1203853-1207325(Top 25%)5954(Top 36%)5954(Top 104%)
35K21.75 mi0.75 mi4169-703913-603913-606971(Top 24%)5773(Top 35%)5773(Top 101%)
23M23.00 mi1.25 mi4349-1804054-1414054-1418133(Top 28%)6394(Top 39%)6394(Top 112%)
24M24.00 mi1.00 mi4478-1294150-964150-967340(Top 25%)5871(Top 36%)5871(Top 103%)
40K24.85 mi0.85 mi4562-844214-644214-647459(Top 26%)5851(Top 36%)5851(Top 102%)
25.2M25.20 mi0.35 mi4618-564260-464260-467789(Top 27%)5959(Top 36%)5959(Top 104%)
FINISH26.22 mi1.02 mi4812-1944405-1454405-14510028(Top 35%)7118(Top 44%)7118(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3730

Males

3560

M18-39

3560

5K→10K

3.1 - 6.2 mi

Top 13%
×5
+79ft-138ft

Overall

3738

Males

3556

M18-39

3556

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3730

Males

3560

M18-39

3560

15K→20K

9.3 - 12.4 mi

Top 12%
×5
+106ft-86ft

Overall

3549

Males

3391

M18-39

3391

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3796

Males

3613

M18-39

3613

HALF→25K

13.1 - 15.5 mi

Top 14%
×4
+66ft-88ft

Overall

4066

Males

3817

M18-39

3817

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5097

Males

4605

M18-39

4605

30K→20M

18.6 - 20.0 mi

Top 23%
×5
+64ft-50ft

Overall

6663

Males

5684

M18-39

5684

20M→21M

20.0 - 21.0 mi

Top 25%
×8
+106ft-24ft

Overall

7325

Males

5954

M18-39

5954

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

6971

Males

5773

M18-39

5773

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8133

Males

6394

M18-39

6394

23M→24M

23.0 - 24.0 mi

Top 25%
×6
+12ft-82ft

Overall

7340

Males

5871

M18-39

5871

24M→40K

24.0 - 24.9 mi

Top 26%
×1
+6ft-20ft

Overall

7459

Males

5851

M18-39

5851

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1
+13ft-16ft

Overall

7789

Males

5959

M18-39

5959

25.2M→FINISH

25.2 - 26.2 mi

Top 35%
×2
+22ft-21ft

Overall

10028

Males

7118

M18-39

7118

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
526
Passed By
1883
Net Change
-1527
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3285
5K → 10K59200-245#3285#3530
10K → 15K60112-52#3530#3582
15K → 20K10256+46#3582#3536
20K → HALF1319-6#3536#3542
HALF → 25K57120-63#3542#3605
25K → 30K56200-186#3605#3791
30K → 20M29194-165#3791#3956
20M → 21M19162-143#3956#4099
21M → 35K1989-70#4099#4169
35K → 23M33200-180#4169#4349
23M → 24M27156-129#4349#4478
24M → 40K27111-84#4478#4562
40K → 25.2M864-56#4562#4618
25.2M → FINISH17200-194#4618#4812
TOTALS5261883-1527
📊

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