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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Dax Crum

Bib: 7854 •M •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds
Personalized for Dax

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 · 8:11/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
25:24
3.11 mi
Rank: #18076
Start → 5K
25:24 | 8:11/mi
10K
51:02
6.21 mi
Rank: #18476 (-400)
5K → 10K
25:38 | 8:16/mi
15K
1:18:46
9.32 mi
Rank: #19845 (-1369)
10K → 15K
27:44 | 8:56/mi
20K
1:46:50
12.43 mi
Rank: #20464 (-619)
15K → 20K
28:04 | 9:03/mi
HALF
1:52:45
13.11 mi
Rank: #20502 (-38)
20K → HALF
5:55 | 8:41/mi
25K
2:16:36
15.53 mi
Rank: #21284 (-782)
HALF → 25K
23:51 | 9:51/mi
30K
2:45:48
18.64 mi
Rank: #21290 (-6)
25K → 30K
29:12 | 9:24/mi
20M
2:58:38
20.00 mi
Rank: #21230 (+60)
30K → 20M
12:50 | 9:27/mi
21M
3:10:32
21.00 mi
Rank: #21601 (-371)
20M → 21M
11:54 | 11:54/mi
35K
3:18:52
21.75 mi
Rank: #21822 (-221)
21M → 35K
8:20 | 11:09/mi
23M
3:32:07
23.00 mi
Rank: #22017 (-195)
35K → 23M
13:15 | 10:36/mi
24M
3:43:43
24.00 mi
Rank: #22313 (-296)
23M → 24M
11:36 | 11:36/mi
40K
3:53:18
24.85 mi
Rank: #22423 (-110)
24M → 40K
9:35 | 11:13/mi
25.2M
3:57:30
25.20 mi
Rank: #22470 (-47)
40K → 25.2M
4:12 | 12:11/mi
FINISH
4:07:38
26.22 mi
Rank: #22529 (-59)
25.2M → FINISH
10:08 | 9:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:45
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:14:53
Pace10:18 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:5125:248:1125:24
8:11
-
10K
6.21 mi11:35:2951:028:1325:38
8:16
+0:05
15K
9.32 mi12:03:131:18:468:2827:44
8:56
+0:40
20K
12.43 mi12:31:171:46:508:3628:04
9:03
+0:07
HALF
13.11 mi12:37:121:52:458:375:55
8:41
-0:22
25K
15.53 mi13:01:032:16:368:4823:51
9:51
+1:10
30K
18.64 mi13:30:152:45:488:5429:12
9:24
-0:27
20M
20.00 mi13:43:052:58:388:5612:50
9:27
+0:03
21M
21.00 mi13:54:593:10:329:0511:54
11:54
+2:27
35K
21.75 mi14:03:193:18:529:098:20
11:09
-0:45
23M
23.00 mi14:16:343:32:079:1413:15
10:36
-0:33
24M
24.00 mi14:28:103:43:439:2011:36
11:36
+1:00
40K
24.85 mi14:37:453:53:189:249:35
11:13
-0:23
25.2M
25.20 mi14:41:573:57:309:264:12
12:11
+0:58
FINISH
26.22 mi14:52:054:07:389:2810:08
9:57
-2:14

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

8:11 /mi

Average Pace

9:27 /mi

Slowest Pace

12:11 /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

1:52:45

46% of race

Time at Steady Pace

1:16:01

31% of race

Time at Slower Pace

58:52

24% of race

Average Pace: 9:27 /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 mi11:09:5125:248:1125:24
8:11
#18076
10K
6.21 mi11:35:2951:028:1325:38
8:16
#18476
15K
9.32 mi12:03:131:18:468:2827:44
8:56
#19845
20K
12.43 mi12:31:171:46:508:3628:04
9:03
#20464
HALF
13.11 mi12:37:121:52:458:375:55
8:41
#20502
25K
15.53 mi13:01:032:16:368:4823:51
9:51
#21284
30K
18.64 mi13:30:152:45:488:5429:12
9:24
#21290
20M
20.00 mi13:43:052:58:388:5612:50
9:27
#21230
21M
21.00 mi13:54:593:10:329:0511:54
11:54
#21601
35K
21.75 mi14:03:193:18:529:098:20
11:09
#21822
23M
23.00 mi14:16:343:32:079:1413:15
10:36
#22017
24M
24.00 mi14:28:103:43:439:2011:36
11:36
#22313
40K
24.85 mi14:37:453:53:189:249:35
11:13
#22423
25.2M
25.20 mi14:41:573:57:309:264:12
12:11
#22470
FINISH
26.22 mi14:52:054:07:389:2810:08
9:57
#22529
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi18076114491144922340(Top 77%)13446(Top 82%)13446(Top 612%)
10K6.21 mi3.10 mi18476-40011640-19111640-19118871(Top 65%)11836(Top 72%)11836(Top 538%)
15K9.32 mi3.11 mi19845-136912235-59512235-59522340(Top 77%)13446(Top 82%)13446(Top 612%)
20K12.43 mi3.11 mi20464-61912514-27912514-27922063(Top 76%)13280(Top 81%)13280(Top 604%)
HALF13.11 mi0.68 mi20502-3812531-1712531-1721210(Top 73%)12906(Top 79%)12906(Top 587%)
25K15.53 mi2.42 mi21284-78212883-35212883-35223884(Top 82%)14127(Top 86%)14127(Top 643%)
30K18.64 mi3.11 mi21290-612885-212885-221305(Top 73%)12805(Top 78%)12805(Top 583%)
20M20.00 mi1.36 mi21230+6012832+5312832+5320869(Top 72%)12517(Top 77%)12517(Top 569%)
21M21.00 mi1.00 mi21601-37113005-17313005-17324890(Top 86%)14350(Top 88%)14350(Top 653%)
35K21.75 mi0.75 mi21822-22113103-9813103-9825479(Top 88%)14613(Top 89%)14613(Top 665%)
23M23.00 mi1.25 mi22017-19513168-6513168-6523579(Top 81%)13666(Top 84%)13666(Top 622%)
24M24.00 mi1.00 mi22313-29613308-14013308-14026080(Top 90%)14830(Top 91%)14830(Top 675%)
40K24.85 mi0.85 mi22423-11013341-3313341-3324640(Top 85%)14088(Top 86%)14088(Top 641%)
25.2M25.20 mi0.35 mi22470-4713351-1013351-1024754(Top 85%)14132(Top 86%)14132(Top 643%)
FINISH26.22 mi1.02 mi22529-5913376-2513376-2523668(Top 82%)13627(Top 83%)13627(Top 620%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22340

Males

13446

M40-44

13446

5K→10K

3.1 - 6.2 mi

Top 65%
×5
+79ft-138ft

Overall

18871

Males

11836

M40-44

11836

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22340

Males

13446

M40-44

13446

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22063

Males

13280

M40-44

13280

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21210

Males

12906

M40-44

12906

HALF→25K

13.1 - 15.5 mi

Top 82%
×4
+66ft-88ft

Overall

23884

Males

14127

M40-44

14127

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21305

Males

12805

M40-44

12805

30K→20M

18.6 - 20.0 mi

Top 72%
×5
+64ft-50ft

Overall

20869

Males

12517

M40-44

12517

20M→21M

20.0 - 21.0 mi

Top 86%
×8
+106ft-24ft

Overall

24890

Males

14350

M40-44

14350

21M→35K

21.0 - 21.8 mi

Top 88%
×7
+17ft-86ft

Overall

25479

Males

14613

M40-44

14613

35K→23M

21.8 - 23.0 mi

Top 81%
×5
+23ft-63ft

Overall

23579

Males

13666

M40-44

13666

23M→24M

23.0 - 24.0 mi

Top 90%
×6
+12ft-82ft

Overall

26080

Males

14830

M40-44

14830

24M→40K

24.0 - 24.9 mi

Top 85%
×1
+6ft-20ft

Overall

24640

Males

14088

M40-44

14088

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24754

Males

14132

M40-44

14132

25.2M→FINISH

25.2 - 26.2 mi

Top 82%
×2
+22ft-21ft

Overall

23668

Males

13627

M40-44

13627

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
629
Passed By
2150
Net Change
-4453
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18076
5K → 10K129200-400#18076#18476
10K → 15K8200-1369#18476#19845
15K → 20K48200-619#19845#20464
20K → HALF1957-38#20464#20502
HALF → 25K22200-782#20502#21284
25K → 30K166172-6#21284#21290
30K → 20M11353+60#21290#21230
20M → 21M14200-371#21230#21601
21M → 35K8200-221#21601#21822
35K → 23M39200-195#21822#22017
23M → 24M11200-296#22017#22313
24M → 40K24134-110#22313#22423
40K → 25.2M855-47#22423#22470
25.2M → FINISH2079-59#22470#22529
TOTALS6292150-4453
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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