All Results|Race Analytics|Course|Contact

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marshall Jackson

Bib: 21446 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Race Day Weather
51°/41°F
overcast clouds
Personalized for Marshall

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 · 7:43/mi at mile 6.2

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
25:29
3.11 mi
Rank: #18232
Start → 5K
25:29 | 8:13/mi
10K
49:27
6.21 mi
Rank: #16762 (+1470)
5K → 10K
23:58 | 7:43/mi
15K
1:13:43
9.32 mi
Rank: #16335 (+427)
10K → 15K
24:16 | 7:49/mi
20K
1:38:46
12.43 mi
Rank: #16420 (-85)
15K → 20K
25:03 | 8:04/mi
HALF
1:44:20
13.11 mi
Rank: #16516 (-96)
20K → HALF
5:34 | 8:10/mi
25K
2:05:07
15.53 mi
Rank: #16949 (-433)
HALF → 25K
20:47 | 8:35/mi
30K
2:33:03
18.64 mi
Rank: #17448 (-499)
25K → 30K
27:56 | 9:00/mi
20M
2:45:23
20.00 mi
Rank: #17581 (-133)
30K → 20M
12:20 | 9:05/mi
21M
2:55:38
21.00 mi
Rank: #17868 (-287)
20M → 21M
10:15 | 10:15/mi
35K
3:02:46
21.75 mi
Rank: #18054 (-186)
21M → 35K
7:08 | 9:33/mi
23M
3:16:15
23.00 mi
Rank: #18633 (-579)
35K → 23M
13:29 | 10:47/mi
24M
3:29:33
24.00 mi
Rank: #19706 (-1073)
23M → 24M
13:18 | 13:18/mi
40K
3:40:31
24.85 mi
Rank: #20311 (-605)
24M → 40K
10:58 | 12:50/mi
25.2M
3:44:22
25.20 mi
Rank: #20367 (-56)
40K → 25.2M
3:51 | 11:10/mi
FINISH
3:53:35
26.22 mi
Rank: #20377 (-10)
25.2M → FINISH
9:13 | 9:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:20
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time2:09:15
Pace9:52 /mi
📊Positive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:4425:298:1325:29
8:13
-
10K
6.21 mi11:50:4249:277:5823:58
7:43
-0:30
15K
9.32 mi12:14:581:13:437:5524:16
7:49
+0:06
20K
12.43 mi12:40:011:38:467:5725:03
8:04
+0:15
HALF
13.11 mi12:45:351:44:207:585:34
8:10
+0:06
25K
15.53 mi13:06:222:05:078:0420:47
8:35
+0:25
30K
18.64 mi13:34:182:33:038:1327:56
9:00
+0:25
20M
20.00 mi13:46:382:45:238:1712:20
9:05
+0:05
21M
21.00 mi13:56:532:55:388:2210:15
10:15
+1:10
35K
21.75 mi14:04:013:02:468:257:08
9:33
-0:42
23M
23.00 mi14:17:303:16:158:3213:29
10:47
+1:14
24M
24.00 mi14:30:483:29:338:4413:18
13:18
+2:31
40K
24.85 mi14:41:463:40:318:5310:58
12:50
-0:28
25.2M
25.20 mi14:45:373:44:228:553:51
11:10
-1:40
FINISH
26.22 mi14:54:503:53:358:559:13
9:03
-2:07

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

7:43 /mi

Average Pace

8:55 /mi

Slowest Pace

13:18 /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

1:18:51

34% of race

Time at Steady Pace

1:42:53

44% of race

Time at Slower Pace

51:51

22% of race

Average Pace: 8:55 /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 mi11:26:4425:298:1325:29
8:13
#18232
10K
6.21 mi11:50:4249:277:5823:58
7:43
#16762
15K
9.32 mi12:14:581:13:437:5524:16
7:49
#16335
20K
12.43 mi12:40:011:38:467:5725:03
8:04
#16420
HALF
13.11 mi12:45:351:44:207:585:34
8:10
#16516
25K
15.53 mi13:06:222:05:078:0420:47
8:35
#16949
30K
18.64 mi13:34:182:33:038:1327:56
9:00
#17448
20M
20.00 mi13:46:382:45:238:1712:20
9:05
#17581
21M
21.00 mi13:56:532:55:388:2210:15
10:15
#17868
35K
21.75 mi14:04:013:02:468:257:08
9:33
#18054
23M
23.00 mi14:17:303:16:158:3213:29
10:47
#18633
24M
24.00 mi14:30:483:29:338:4413:18
13:18
#19706
40K
24.85 mi14:41:463:40:318:5310:58
12:50
#20311
25.2M
25.20 mi14:45:373:44:228:553:51
11:10
#20367
FINISH
26.22 mi14:54:503:53:358:559:13
9:03
#20377
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18232115181151815421(Top 53%)10364(Top 63%)10364(Top 685%)
10K6.21 mi3.10 mi16762+147010899+61910899+61914879(Top 51%)10200(Top 62%)10200(Top 674%)
15K9.32 mi3.11 mi16335+42710723+17610723+17615421(Top 53%)10364(Top 63%)10364(Top 685%)
20K12.43 mi3.11 mi16420-8510761-3810761-3816585(Top 57%)10825(Top 66%)10825(Top 715%)
HALF13.11 mi0.68 mi16516-9610796-3510796-3518198(Top 63%)11544(Top 71%)11544(Top 762%)
25K15.53 mi2.42 mi16949-43310967-17110967-17118995(Top 65%)11795(Top 72%)11795(Top 779%)
30K18.64 mi3.11 mi17448-49911164-19711164-19719533(Top 67%)11956(Top 73%)11956(Top 790%)
20M20.00 mi1.36 mi17581-13311200-3611200-3619307(Top 67%)11799(Top 72%)11799(Top 779%)
21M21.00 mi1.00 mi17868-28711295-9511295-9521203(Top 73%)12630(Top 77%)12630(Top 834%)
35K21.75 mi0.75 mi18054-18611353-5811353-5821853(Top 75%)12885(Top 79%)12885(Top 851%)
23M23.00 mi1.25 mi18633-57911595-24211595-24223989(Top 83%)13847(Top 85%)13847(Top 915%)
24M24.00 mi1.00 mi19706-107312046-45112046-45127868(Top 96%)15720(Top 96%)15720(Top 1038%)
40K24.85 mi0.85 mi20311-60512329-28312329-28326882(Top 93%)15202(Top 93%)15202(Top 1004%)
25.2M25.20 mi0.35 mi20367-5612349-2012349-2022727(Top 78%)13174(Top 81%)13174(Top 870%)
FINISH26.22 mi1.02 mi20377-1012344+512344+520689(Top 71%)12197(Top 75%)12197(Top 806%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15421

Males

10364

M60-64

10364

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14879

Males

10200

M60-64

10200

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15421

Males

10364

M60-64

10364

15K→20K

9.3 - 12.4 mi

Top 57%
×5
+106ft-86ft

Overall

16585

Males

10825

M60-64

10825

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18198

Males

11544

M60-64

11544

HALF→25K

13.1 - 15.5 mi

Top 65%
×4
+66ft-88ft

Overall

18995

Males

11795

M60-64

11795

25K→30K

15.5 - 18.6 mi

Top 67%
×9
+181ft-148ft

Overall

19533

Males

11956

M60-64

11956

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19307

Males

11799

M60-64

11799

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21203

Males

12630

M60-64

12630

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21853

Males

12885

M60-64

12885

35K→23M

21.8 - 23.0 mi

Top 83%
×5
+23ft-63ft

Overall

23989

Males

13847

M60-64

13847

23M→24M

23.0 - 24.0 mi

Top 96%
×6
+12ft-82ft

Overall

27868

Males

15720

M60-64

15720

24M→40K

24.0 - 24.9 mi

Top 93%
×1
+6ft-20ft

Overall

26882

Males

15202

M60-64

15202

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22727

Males

13174

M60-64

13174

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20689

Males

12197

M60-64

12197

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2465*
Passed By
2101
Net Change
-2145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18232
5K → 10K1491*21+1470#18232#16762
10K → 15K482*55+427#16762#16335
15K → 20K158200-85#16335#16420
20K → HALF16112-96#16420#16516
HALF → 25K49200-433#16516#16949
25K → 30K82200-499#16949#17448
30K → 20M50183-133#17448#17581
20M → 21M19200-287#17581#17868
21M → 35K22200-186#17868#18054
35K → 23M19200-579#18054#18633
23M → 24M9200-1073#18633#19706
24M → 40K4200-605#19706#20311
40K → 25.2M662-56#20311#20367
25.2M → FINISH5868-10#20367#20377
TOTALS2465*2101-2145

* 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