Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Jackson Gwilliam

Bib: 31428MAge: N/A

MA

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
Personalized for Jackson

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 · 7:10/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
24:08
3.11 mi
Rank: #15136
Start5K
24:08 | 7:47/mi
10K
46:23
6.21 mi
Rank: #12532 (+2604)
5K10K
22:15 | 7:10/mi
15K
1:09:24
9.32 mi
Rank: #12331 (+201)
10K15K
23:01 | 7:25/mi
20K
1:33:33
12.43 mi
Rank: #12844 (-513)
15K20K
24:09 | 7:47/mi
HALF
1:38:54
13.11 mi
Rank: #13000 (-156)
20KHALF
5:21 | 7:51/mi
25K
1:58:54
15.53 mi
Rank: #13682 (-682)
HALF25K
20:00 | 8:15/mi
30K
2:26:27
18.64 mi
Rank: #14817 (-1135)
25K30K
27:33 | 8:53/mi
20M
2:38:37
20.00 mi
Rank: #15176 (-359)
30K20M
12:10 | 8:58/mi
21M
2:49:25
21.00 mi
Rank: #15881 (-705)
20M21M
10:48 | 10:48/mi
35K
2:56:14
21.75 mi
Rank: #16064 (-183)
21M35K
6:49 | 9:07/mi
23M
3:07:36
23.00 mi
Rank: #16236 (-172)
35K23M
11:22 | 9:05/mi
24M
3:17:47
24.00 mi
Rank: #16747 (-511)
23M24M
10:11 | 10:11/mi
40K
3:25:13
24.85 mi
Rank: #16727 (+20)
24M40K
7:26 | 8:42/mi
25.2M
3:28:51
25.20 mi
Rank: #16818 (-91)
40K25.2M
3:38 | 10:33/mi
FINISH
3:37:33
26.22 mi
Rank: #16881 (-63)
25.2MFINISH
8:42 | 8:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:38:54
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:58:39
Pace9:04 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2124:087:4724:08
7:47
-
10K
6.21 mi12:14:3646:237:2822:15
7:10
-0:37
15K
9.32 mi12:37:371:09:247:2723:01
7:25
+0:15
20K
12.43 mi13:01:461:33:337:3224:09
7:47
+0:22
HALF
13.11 mi13:07:071:38:547:335:21
7:51
+0:04
25K
15.53 mi13:27:071:58:547:4020:00
8:15
+0:24
30K
18.64 mi13:54:402:26:277:5227:33
8:53
+0:38
20M
20.00 mi14:06:502:38:377:5612:10
8:58
+0:05
21M
21.00 mi14:17:382:49:258:0510:48
10:48
+1:50
35K
21.75 mi14:24:272:56:148:076:49
9:07
-1:41
23M
23.00 mi14:35:493:07:368:1011:22
9:05
-0:02
24M
24.00 mi14:46:003:17:478:1510:11
10:11
+1:06
40K
24.85 mi14:53:263:25:138:167:26
8:42
-1:29
25.2M
25.20 mi14:57:043:28:518:183:38
10:33
+1:51
FINISH
26.22 mi15:05:463:37:338:198:42
8:33
-2:00

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

7:10 /mi

Average Pace

8:18 /mi

Slowest Pace

10:48 /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

1:38:54

45% of race

Time at Steady Pace

1:34:02

43% of race

Time at Slower Pace

24:37

11% of race

Average Pace: 8:18 /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 mi11:52:2124:087:4724:08
7:47
#15136
10K
6.21 mi12:14:3646:237:2822:15
7:10
#12532
15K
9.32 mi12:37:371:09:247:2723:01
7:25
#12331
20K
12.43 mi13:01:461:33:337:3224:09
7:47
#12844
HALF
13.11 mi13:07:071:38:547:335:21
7:51
#13000
25K
15.53 mi13:27:071:58:547:4020:00
8:15
#13682
30K
18.64 mi13:54:402:26:277:5227:33
8:53
#14817
20M
20.00 mi14:06:502:38:377:5612:10
8:58
#15176
21M
21.00 mi14:17:382:49:258:0510:48
10:48
#15881
35K
21.75 mi14:24:272:56:148:076:49
9:07
#16064
23M
23.00 mi14:35:493:07:368:1011:22
9:05
#16236
24M
24.00 mi14:46:003:17:478:1510:11
10:11
#16747
40K
24.85 mi14:53:263:25:138:167:26
8:42
#16727
25.2M
25.20 mi14:57:043:28:518:183:38
10:33
#16818
FINISH
26.22 mi15:05:463:37:338:198:42
8:33
#16881
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 mi15136103061030612005(Top 41%)8936(Top 55%)8936(Top 156%)
10K6.21 mi3.10 mi12532+26049242+10649242+10649924(Top 34%)8022(Top 49%)8022(Top 140%)
15K9.32 mi3.11 mi12331+2019141+1019141+10112005(Top 41%)8936(Top 55%)8936(Top 156%)
20K12.43 mi3.11 mi12844-5139317-1769317-17614305(Top 49%)9866(Top 60%)9866(Top 172%)
HALF13.11 mi0.68 mi13000-1569367-509367-5015901(Top 55%)10559(Top 65%)10559(Top 185%)
25K15.53 mi2.42 mi13682-6829643-2769643-27617095(Top 59%)10978(Top 67%)10978(Top 192%)
30K18.64 mi3.11 mi14817-113510075-43210075-43218914(Top 65%)11670(Top 71%)11670(Top 204%)
20M20.00 mi1.36 mi15176-35910184-10910184-10918723(Top 65%)11501(Top 70%)11501(Top 201%)
21M21.00 mi1.00 mi15881-70510449-26510449-26522661(Top 78%)13333(Top 82%)13333(Top 233%)
35K21.75 mi0.75 mi16064-18310501-5210501-5220430(Top 70%)12194(Top 75%)12194(Top 213%)
23M23.00 mi1.25 mi16236-17210555-5410555-5418874(Top 65%)11390(Top 70%)11390(Top 199%)
24M24.00 mi1.00 mi16747-51110769-21410769-21423291(Top 80%)13505(Top 83%)13505(Top 236%)
40K24.85 mi0.85 mi16727+2010740+2910740+2916800(Top 58%)10327(Top 63%)10327(Top 180%)
25.2M25.20 mi0.35 mi16818-9110767-2710767-2721095(Top 73%)12392(Top 76%)12392(Top 217%)
FINISH26.22 mi1.02 mi16881-6310762+510762+518333(Top 63%)11045(Top 68%)11045(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21
+97ft-345ft

Overall

12005

Males

8936

M18-39

8936

5K→10K

3.1 - 6.2 mi

Top 34%
×5
+79ft-138ft

Overall

9924

Males

8022

M18-39

8022

10K→15K

6.2 - 9.3 mi

Top 41%
×3
+67ft-78ft

Overall

12005

Males

8936

M18-39

8936

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14305

Males

9866

M18-39

9866

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15901

Males

10559

M18-39

10559

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17095

Males

10978

M18-39

10978

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18914

Males

11670

M18-39

11670

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18723

Males

11501

M18-39

11501

20M→21M

20.0 - 21.0 mi

Top 78%
×8
+106ft-24ft

Overall

22661

Males

13333

M18-39

13333

21M→35K

21.0 - 21.8 mi

Top 70%
×7
+17ft-86ft

Overall

20430

Males

12194

M18-39

12194

35K→23M

21.8 - 23.0 mi

Top 65%
×5
+23ft-63ft

Overall

18874

Males

11390

M18-39

11390

23M→24M

23.0 - 24.0 mi

Top 80%
×6
+12ft-82ft

Overall

23291

Males

13505

M18-39

13505

24M→40K

24.0 - 24.9 mi

Top 58%
×1
+6ft-20ft

Overall

16800

Males

10327

M18-39

10327

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1
+13ft-16ft

Overall

21095

Males

12392

M18-39

12392

25.2M→FINISH

25.2 - 26.2 mi

Top 63%
×2
+22ft-21ft

Overall

18333

Males

11045

M18-39

11045

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3281*
Passed By
2123
Net Change
-1745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15136
5K10K2608*4+2604#15136#12532
10K15K293*92+201#12532#12331
15K20K49200-513#12331#12844
20KHALF6162-156#12844#13000
HALF25K28200-682#13000#13682
25K30K34200-1135#13682#14817
30K20M28200-359#14817#15176
20M21M16200-705#15176#15881
21M35K27200-183#15881#16064
35K23M52200-172#16064#16236
23M24M9200-511#16236#16747
24M40K7252+20#16747#16727
40K25.2M12103-91#16727#16818
25.2MFINISH47110-63#16818#16881
TOTALS3281*2123-1745

* 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