Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sam Felsenfeld

Bib: 28725MAge: N/A

PA

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 (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds
Unlock Your Full

AI Performance Report

New

Understand What Really Happened During Your Race

Go deeper with personalized analysis powered by your official race data.

Your AI Performance Report includes:
  • Fatigue & pacing analysis
  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
Shareable via link — view it anywhere, share with anyone
AI Report Preview
Generating your preview…
$4.99
One-time purchase for this race
Includes a shareable link

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
23:54
3.11 mi
Rank: #14466
Start5K
23:54 | 7:42/mi
10K
47:52
6.21 mi
Rank: #14666 (-200)
5K10K
23:58 | 7:43/mi
15K
1:12:35
9.32 mi
Rank: #15320 (-654)
10K15K
24:43 | 7:58/mi
20K
1:37:43
12.43 mi
Rank: #15666 (-346)
15K20K
25:08 | 8:06/mi
HALF
1:43:08
13.11 mi
Rank: #15735 (-69)
20KHALF
5:25 | 7:57/mi
25K
2:03:10
15.53 mi
Rank: #16004 (-269)
HALF25K
20:02 | 8:16/mi
30K
2:30:10
18.64 mi
Rank: #16399 (-395)
25K30K
27:00 | 8:42/mi
20M
2:42:04
20.00 mi
Rank: #16494 (-95)
30K20M
11:54 | 8:46/mi
21M
2:51:30
21.00 mi
Rank: #16582 (-88)
20M21M
9:26 | 9:26/mi
35K
2:57:31
21.75 mi
Rank: #16483 (+99)
21M35K
6:01 | 8:03/mi
23M
3:08:26
23.00 mi
Rank: #16487 (-4)
35K23M
10:55 | 8:44/mi
24M
3:16:58
24.00 mi
Rank: #16511 (-24)
23M24M
8:32 | 8:32/mi
40K
3:24:27
24.85 mi
Rank: #16513 (-2)
24M40K
7:29 | 8:46/mi
25.2M
3:27:38
25.20 mi
Rank: #16496 (+17)
40K25.2M
3:11 | 9:14/mi
FINISH
3:35:51
26.22 mi
Rank: #16443 (+53)
25.2MFINISH
8:13 | 8:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:08
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:52:43
Pace8:36 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2823:547:4223:54
7:42
-
10K
6.21 mi12:10:2647:527:4323:58
7:43
+0:01
15K
9.32 mi12:35:091:12:357:4824:43
7:58
+0:15
20K
12.43 mi13:00:171:37:437:5225:08
8:06
+0:08
HALF
13.11 mi13:05:421:43:087:535:25
7:57
-0:09
25K
15.53 mi13:25:442:03:107:5620:02
8:16
+0:19
30K
18.64 mi13:52:442:30:108:0427:00
8:42
+0:26
20M
20.00 mi14:04:382:42:048:0711:54
8:46
+0:04
21M
21.00 mi14:14:042:51:308:119:26
9:26
+0:40
35K
21.75 mi14:20:052:57:318:106:01
8:03
-1:23
23M
23.00 mi14:31:003:08:268:1210:55
8:44
+0:41
24M
24.00 mi14:39:323:16:588:138:32
8:32
-0:12
40K
24.85 mi14:47:013:24:278:147:29
8:46
+0:14
25.2M
25.20 mi14:50:123:27:388:153:11
9:14
+0:28
FINISH
26.22 mi14:58:253:35:518:158:13
8:04
-1:10

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

7:42 /mi

Average Pace

8:14 /mi

Slowest Pace

9:26 /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

1:18:00

36% of race

Time at Steady Pace

59:24

28% of race

Time at Slower Pace

1:18:27

36% of race

Average Pace: 8:14 /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 mi11:46:2823:547:4223:54
7:42
#14466
10K
6.21 mi12:10:2647:527:4323:58
7:43
#14666
15K
9.32 mi12:35:091:12:357:4824:43
7:58
#15320
20K
12.43 mi13:00:171:37:437:5225:08
8:06
#15666
HALF
13.11 mi13:05:421:43:087:535:25
7:57
#15735
25K
15.53 mi13:25:442:03:107:5620:02
8:16
#16004
30K
18.64 mi13:52:442:30:108:0427:00
8:42
#16399
20M
20.00 mi14:04:382:42:048:0711:54
8:46
#16494
21M
21.00 mi14:14:042:51:308:119:26
9:26
#16582
35K
21.75 mi14:20:052:57:318:106:01
8:03
#16483
23M
23.00 mi14:31:003:08:268:1210:55
8:44
#16487
24M
24.00 mi14:39:323:16:588:138:32
8:32
#16511
40K
24.85 mi14:47:013:24:278:147:29
8:46
#16513
25.2M
25.20 mi14:50:123:27:388:153:11
9:14
#16496
FINISH
26.22 mi14:58:253:35:518:158:13
8:04
#16443
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14466100641006416646(Top 57%)10872(Top 67%)10872(Top 582%)
10K6.21 mi3.10 mi14666-20010115-5110115-5114873(Top 51%)10194(Top 62%)10194(Top 546%)
15K9.32 mi3.11 mi15320-65410325-21010325-21016646(Top 57%)10872(Top 67%)10872(Top 582%)
20K12.43 mi3.11 mi15666-34610444-11910444-11916775(Top 58%)10895(Top 67%)10895(Top 583%)
HALF13.11 mi0.68 mi15735-6910469-2510469-2516636(Top 57%)10850(Top 66%)10850(Top 581%)
25K15.53 mi2.42 mi16004-26910566-9710566-9717177(Top 59%)11012(Top 67%)11012(Top 590%)
30K18.64 mi3.11 mi16399-39510692-12610692-12617949(Top 62%)11233(Top 69%)11233(Top 601%)
20M20.00 mi1.36 mi16494-9510718-2610718-2617714(Top 61%)11048(Top 68%)11048(Top 591%)
21M21.00 mi1.00 mi16582-8810758-4010758-4018184(Top 63%)11226(Top 69%)11226(Top 601%)
35K21.75 mi0.75 mi16483+9910703+5510703+5514735(Top 51%)9645(Top 59%)9645(Top 516%)
23M23.00 mi1.25 mi16487-410665+3810665+3817015(Top 59%)10508(Top 64%)10508(Top 563%)
24M24.00 mi1.00 mi16511-2410664+110664+117077(Top 59%)10497(Top 64%)10497(Top 562%)
40K24.85 mi0.85 mi16513-210643+2110643+2117092(Top 59%)10458(Top 64%)10458(Top 560%)
25.2M25.20 mi0.35 mi16496+1710622+2110622+2115897(Top 55%)9925(Top 61%)9925(Top 531%)
FINISH26.22 mi1.02 mi16443+5310576+4610576+4615543(Top 54%)9786(Top 60%)9786(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16646

Males

10872

M50-54

10872

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14873

Males

10194

M50-54

10194

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16646

Males

10872

M50-54

10872

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16775

Males

10895

M50-54

10895

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16636

Males

10850

M50-54

10850

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17177

Males

11012

M50-54

11012

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17949

Males

11233

M50-54

11233

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17714

Males

11048

M50-54

11048

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18184

Males

11226

M50-54

11226

21M→35K

21.0 - 21.8 mi

Top 51%
×7
+17ft-86ft

Overall

14735

Males

9645

M50-54

9645

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17015

Males

10508

M50-54

10508

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17077

Males

10497

M50-54

10497

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17092

Males

10458

M50-54

10458

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

15897

Males

9925

M50-54

9925

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15543

Males

9786

M50-54

9786

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1138
Passed By
1732
Net Change
-1977
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14466
5K10K200200-200#14466#14666
10K15K57200-654#14666#15320
15K20K83200-346#15320#15666
20KHALF2190-69#15666#15735
HALF25K80200-269#15735#16004
25K30K99200-395#16004#16399
30K20M64159-95#16399#16494
20M21M65153-88#16494#16582
21M35K11516+99#16582#16483
35K23M96100-4#16483#16487
23M24M6084-24#16487#16511
24M40K7274-2#16511#16513
40K25.2M3922+17#16513#16496
25.2MFINISH8734+53#16496#16443
TOTALS11381732-1977
📊

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