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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Justin Robertson

Bib: 8846 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 27%
Gender (Male)
#0 / 16340
Top 40%
Masters (Masters Men)
#0 / 10617
Top 27%
Age Group (M40-44)
#0 / 2198
Race Day Weather
51°/41°F
overcast clouds

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
21:28
3.11 mi
Rank: #7826
Start → 5K
21:28 | 6:55/mi
10K
43:09
6.21 mi
Rank: #8169 (-343)
5K → 10K
21:41 | 6:59/mi
15K
1:04:55
9.32 mi
Rank: #8317 (-148)
10K → 15K
21:46 | 7:01/mi
20K
1:27:50
12.43 mi
Rank: #8841 (-524)
15K → 20K
22:55 | 7:23/mi
HALF
1:32:36
13.11 mi
Rank: #8822 (+19)
20K → HALF
4:46 | 7:00/mi
25K
1:50:07
15.53 mi
Rank: #8825 (-3)
HALF → 25K
17:31 | 7:14/mi
30K
2:12:56
18.64 mi
Rank: #8682 (+143)
25K → 30K
22:49 | 7:21/mi
20M
2:22:55
20.00 mi
Rank: #8572 (+110)
30K → 20M
9:59 | 7:21/mi
21M
2:30:34
21.00 mi
Rank: #8472 (+100)
20M → 21M
7:39 | 7:39/mi
35K
2:35:48
21.75 mi
Rank: #8393 (+79)
21M → 35K
5:14 | 7:00/mi
23M
2:44:51
23.00 mi
Rank: #8253 (+140)
35K → 23M
9:03 | 7:14/mi
24M
2:51:53
24.00 mi
Rank: #8149 (+104)
23M → 24M
7:02 | 7:02/mi
40K
2:57:55
24.85 mi
Rank: #8015 (+134)
24M → 40K
6:02 | 7:04/mi
25.2M
3:00:34
25.20 mi
Rank: #7959 (+56)
40K → 25.2M
2:39 | 7:42/mi
FINISH
3:07:46
26.22 mi
Rank: #7924 (+35)
25.2M → FINISH
7:12 | 7:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:36
Pace7:04 /mi
2nd Half
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:4921:286:5521:28
6:55
-
10K
6.21 mi10:58:3043:096:5721:41
6:59
+0:04
15K
9.32 mi11:20:161:04:556:5821:46
7:01
+0:02
20K
12.43 mi11:43:111:27:507:0522:55
7:23
+0:22
HALF
13.11 mi11:47:571:32:367:044:46
7:00
-0:23
25K
15.53 mi12:05:281:50:077:0617:31
7:14
+0:14
30K
18.64 mi12:28:172:12:567:0822:49
7:21
+0:07
20M
20.00 mi12:38:162:22:557:099:59
7:21
0:00
21M
21.00 mi12:45:552:30:347:117:39
7:39
+0:18
35K
21.75 mi12:51:092:35:487:105:14
7:00
-0:39
23M
23.00 mi13:00:122:44:517:119:03
7:14
+0:14
24M
24.00 mi13:07:142:51:537:107:02
7:02
-0:12
40K
24.85 mi13:13:162:57:557:106:02
7:04
+0:02
25.2M
25.20 mi13:15:553:00:347:102:39
7:42
+0:38
FINISH
26.22 mi13:23:073:07:467:107:12
7:04
-0:38

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

6:55 /mi

Average Pace

7:10 /mi

Slowest Pace

7:42 /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

2:57:28

95% of race

Time at Steady Pace

10:18

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:10 /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 mi10:36:4921:286:5521:28
6:55
#7826
10K
6.21 mi10:58:3043:096:5721:41
6:59
#8169
15K
9.32 mi11:20:161:04:556:5821:46
7:01
#8317
20K
12.43 mi11:43:111:27:507:0522:55
7:23
#8841
HALF
13.11 mi11:47:571:32:367:044:46
7:00
#8822
25K
15.53 mi12:05:281:50:077:0617:31
7:14
#8825
30K
18.64 mi12:28:172:12:567:0822:49
7:21
#8682
20M
20.00 mi12:38:162:22:557:099:59
7:21
#8572
21M
21.00 mi12:45:552:30:347:117:39
7:39
#8472
35K
21.75 mi12:51:092:35:487:105:14
7:00
#8393
23M
23.00 mi13:00:122:44:517:119:03
7:14
#8253
24M
24.00 mi13:07:142:51:537:107:02
7:02
#8149
40K
24.85 mi13:13:162:57:557:106:02
7:04
#8015
25.2M
25.20 mi13:15:553:00:347:102:39
7:42
#7959
FINISH
26.22 mi13:23:073:07:467:107:12
7:04
#7924
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 mi7826678567858601(Top 30%)7242(Top 44%)7242(Top 329%)
10K6.21 mi3.10 mi8169-3437002-2177002-2178521(Top 29%)7214(Top 44%)7214(Top 328%)
15K9.32 mi3.11 mi8317-1487077-757077-758601(Top 30%)7242(Top 44%)7242(Top 329%)
20K12.43 mi3.11 mi8841-5247397-3207397-32010884(Top 38%)8327(Top 51%)8327(Top 379%)
HALF13.11 mi0.68 mi8822+197382+157382+158552(Top 29%)7199(Top 44%)7199(Top 328%)
25K15.53 mi2.42 mi8825-37362+207362+209032(Top 31%)7338(Top 45%)7338(Top 334%)
30K18.64 mi3.11 mi8682+1437241+1217241+1218433(Top 29%)6847(Top 42%)6847(Top 312%)
20M20.00 mi1.36 mi8572+1107146+957146+958011(Top 28%)6505(Top 40%)6505(Top 296%)
21M21.00 mi1.00 mi8472+1007057+897057+897489(Top 26%)6070(Top 37%)6070(Top 276%)
35K21.75 mi0.75 mi8393+796996+616996+617062(Top 24%)5864(Top 36%)5864(Top 267%)
23M23.00 mi1.25 mi8253+1406885+1116885+1116983(Top 24%)5743(Top 35%)5743(Top 261%)
24M24.00 mi1.00 mi8149+1046794+916794+916700(Top 23%)5502(Top 34%)5502(Top 250%)
40K24.85 mi0.85 mi8015+1346691+1036691+1035847(Top 20%)4893(Top 30%)4893(Top 223%)
25.2M25.20 mi0.35 mi7959+566648+436648+436340(Top 22%)5143(Top 31%)5143(Top 234%)
FINISH26.22 mi1.02 mi7924+356596+526596+528067(Top 28%)6076(Top 37%)6076(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21
+97ft-345ft

Overall

8601

Males

7242

M40-44

7242

5K→10K

3.1 - 6.2 mi

Top 29%
×5
+79ft-138ft

Overall

8521

Males

7214

M40-44

7214

10K→15K

6.2 - 9.3 mi

Top 30%
×3
+67ft-78ft

Overall

8601

Males

7242

M40-44

7242

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

10884

Males

8327

M40-44

8327

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8552

Males

7199

M40-44

7199

HALF→25K

13.1 - 15.5 mi

Top 31%
×4
+66ft-88ft

Overall

9032

Males

7338

M40-44

7338

25K→30K

15.5 - 18.6 mi

Top 29%
×9
+181ft-148ft

Overall

8433

Males

6847

M40-44

6847

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8011

Males

6505

M40-44

6505

20M→21M

20.0 - 21.0 mi

Top 26%
×8
+106ft-24ft

Overall

7489

Males

6070

M40-44

6070

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

7062

Males

5864

M40-44

5864

35K→23M

21.8 - 23.0 mi

Top 24%
×5
+23ft-63ft

Overall

6983

Males

5743

M40-44

5743

23M→24M

23.0 - 24.0 mi

Top 23%
×6
+12ft-82ft

Overall

6700

Males

5502

M40-44

5502

24M→40K

24.0 - 24.9 mi

Top 20%
×1
+6ft-20ft

Overall

5847

Males

4893

M40-44

4893

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1
+13ft-16ft

Overall

6340

Males

5143

M40-44

5143

25.2M→FINISH

25.2 - 26.2 mi

Top 28%
×2
+22ft-21ft

Overall

8067

Males

6076

M40-44

6076

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1536*
Passed By
1006
Net Change
-98
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7826
5K → 10K101200-343#7826#8169
10K → 15K79200-148#8169#8317
15K → 20K33200-524#8317#8841
20K → HALF3718+19#8841#8822
HALF → 25K102105-3#8822#8825
25K → 30K248*105+143#8825#8682
30K → 20M13929+110#8682#8572
20M → 21M13232+100#8572#8472
21M → 35K9213+79#8472#8393
35K → 23M15919+140#8393#8253
23M → 24M11915+104#8253#8149
24M → 40K14511+134#8149#8015
40K → 25.2M604+56#8015#7959
25.2M → FINISH9055+35#7959#7924
TOTALS1536*1006-98

* 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

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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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