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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jonathan Rosenblum

Bib: 8971 •M •Age: N/A

MD

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 17%
Gender (Male)
#0 / 16340
Top 28%
Masters (Masters Men)
#0 / 10617
Top 13%
Age Group (M40-44)
#0 / 2198
Top 35%
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
20:56
3.11 mi
Rank: #6243
Start → 5K
20:56 | 6:45/mi
10K
41:45
6.21 mi
Rank: #6089 (+154)
5K → 10K
20:49 | 6:43/mi
15K
1:02:36
9.32 mi
Rank: #5983 (+106)
10K → 15K
20:51 | 6:43/mi
20K
1:23:44
12.43 mi
Rank: #5977 (+6)
15K → 20K
21:08 | 6:49/mi
HALF
1:28:18
13.11 mi
Rank: #5987 (-10)
20K → HALF
4:34 | 6:42/mi
25K
1:44:51
15.53 mi
Rank: #5977 (+10)
HALF → 25K
16:33 | 6:50/mi
30K
2:06:17
18.64 mi
Rank: #5768 (+209)
25K → 30K
21:26 | 6:54/mi
20M
2:15:37
20.00 mi
Rank: #5662 (+106)
30K → 20M
9:20 | 6:53/mi
21M
2:22:49
21.00 mi
Rank: #5562 (+100)
20M → 21M
7:12 | 7:12/mi
35K
2:27:50
21.75 mi
Rank: #5518 (+44)
21M → 35K
5:01 | 6:43/mi
23M
2:36:28
23.00 mi
Rank: #5441 (+77)
35K → 23M
8:38 | 6:54/mi
24M
2:43:09
24.00 mi
Rank: #5360 (+81)
23M → 24M
6:41 | 6:41/mi
40K
2:48:55
24.85 mi
Rank: #5261 (+99)
24M → 40K
5:46 | 6:45/mi
25.2M
2:51:24
25.20 mi
Rank: #5215 (+46)
40K → 25.2M
2:29 | 7:13/mi
FINISH
2:57:46
26.22 mi
Rank: #5035 (+180)
25.2M → FINISH
6:22 | 6:15/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:18
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:29:28
Pace6:50 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0520:566:4520:56
6:45
-
10K
6.21 mi10:56:5441:456:4420:49
6:43
-0:02
15K
9.32 mi11:17:451:02:366:4320:51
6:43
0:00
20K
12.43 mi11:38:531:23:446:4521:08
6:49
+0:06
HALF
13.11 mi11:43:271:28:186:454:34
6:42
-0:07
25K
15.53 mi12:00:001:44:516:4516:33
6:50
+0:08
30K
18.64 mi12:21:262:06:176:4721:26
6:54
+0:04
20M
20.00 mi12:30:462:15:376:479:20
6:53
-0:01
21M
21.00 mi12:37:582:22:496:497:12
7:12
+0:19
35K
21.75 mi12:42:592:27:506:485:01
6:43
-0:29
23M
23.00 mi12:51:372:36:286:498:38
6:54
+0:11
24M
24.00 mi12:58:182:43:096:486:41
6:41
-0:13
40K
24.85 mi13:04:042:48:556:485:46
6:45
+0:04
25.2M
25.20 mi13:06:332:51:246:492:29
7:13
+0:28
FINISH
26.22 mi13:12:552:57:466:486:22
6:15
-0:58

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

6:15 /mi

Average Pace

6:47 /mi

Slowest Pace

7:13 /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

2:08:41

72% of race

Time at Steady Pace

49:05

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:36:0520:566:4520:56
6:45
#6243
10K
6.21 mi10:56:5441:456:4420:49
6:43
#6089
15K
9.32 mi11:17:451:02:366:4320:51
6:43
#5983
20K
12.43 mi11:38:531:23:446:4521:08
6:49
#5977
HALF
13.11 mi11:43:271:28:186:454:34
6:42
#5987
25K
15.53 mi12:00:001:44:516:4516:33
6:50
#5977
30K
18.64 mi12:21:262:06:176:4721:26
6:54
#5768
20M
20.00 mi12:30:462:15:376:479:20
6:53
#5662
21M
21.00 mi12:37:582:22:496:497:12
7:12
#5562
35K
21.75 mi12:42:592:27:506:485:01
6:43
#5518
23M
23.00 mi12:51:372:36:286:498:38
6:54
#5441
24M
24.00 mi12:58:182:43:096:486:41
6:41
#5360
40K
24.85 mi13:04:042:48:556:485:46
6:45
#5261
25.2M
25.20 mi13:06:332:51:246:492:29
7:13
#5215
FINISH
26.22 mi13:12:552:57:466:486:22
6:15
#5035
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 mi6243565656565934(Top 20%)5379(Top 33%)5379(Top 245%)
10K6.21 mi3.10 mi6089+1545541+1155541+1155951(Top 21%)5415(Top 33%)5415(Top 246%)
15K9.32 mi3.11 mi5983+1065460+815460+815934(Top 20%)5379(Top 33%)5379(Top 245%)
20K12.43 mi3.11 mi5977+65440+205440+206203(Top 21%)5560(Top 34%)5560(Top 253%)
HALF13.11 mi0.68 mi5987-105448-85448-86074(Top 21%)5461(Top 33%)5461(Top 248%)
25K15.53 mi2.42 mi5977+105432+165432+166001(Top 21%)5364(Top 33%)5364(Top 244%)
30K18.64 mi3.11 mi5768+2095240+1925240+1925142(Top 18%)4640(Top 28%)4640(Top 211%)
20M20.00 mi1.36 mi5662+1065148+925148+924644(Top 16%)4197(Top 26%)4197(Top 191%)
21M21.00 mi1.00 mi5562+1005066+825066+824625(Top 16%)4112(Top 25%)4112(Top 187%)
35K21.75 mi0.75 mi5518+445018+485018+484972(Top 17%)4399(Top 27%)4399(Top 200%)
23M23.00 mi1.25 mi5441+774942+764942+764737(Top 16%)4193(Top 26%)4193(Top 191%)
24M24.00 mi1.00 mi5360+814872+704872+704332(Top 15%)3829(Top 23%)3829(Top 174%)
40K24.85 mi0.85 mi5261+994784+884784+883889(Top 13%)3443(Top 21%)3443(Top 157%)
25.2M25.20 mi0.35 mi5215+464743+414743+413600(Top 12%)3177(Top 19%)3177(Top 145%)
FINISH26.22 mi1.02 mi5035+1804583+1604583+1602758(Top 10%)2489(Top 15%)2489(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21
+97ft-345ft

Overall

5934

Males

5379

M40-44

5379

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

5951

Males

5415

M40-44

5415

10K→15K

6.2 - 9.3 mi

Top 20%
×3
+67ft-78ft

Overall

5934

Males

5379

M40-44

5379

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6203

Males

5560

M40-44

5560

20K→HALF

12.4 - 13.1 mi

Top 21%
×2
+19ft-37ft

Overall

6074

Males

5461

M40-44

5461

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

6001

Males

5364

M40-44

5364

25K→30K

15.5 - 18.6 mi

Top 18%
×9
+181ft-148ft

Overall

5142

Males

4640

M40-44

4640

30K→20M

18.6 - 20.0 mi

Top 16%
×5
+64ft-50ft

Overall

4644

Males

4197

M40-44

4197

20M→21M

20.0 - 21.0 mi

Top 16%
×8
+106ft-24ft

Overall

4625

Males

4112

M40-44

4112

21M→35K

21.0 - 21.8 mi

Top 17%
×7
+17ft-86ft

Overall

4972

Males

4399

M40-44

4399

35K→23M

21.8 - 23.0 mi

Top 16%
×5
+23ft-63ft

Overall

4737

Males

4193

M40-44

4193

23M→24M

23.0 - 24.0 mi

Top 15%
×6
+12ft-82ft

Overall

4332

Males

3829

M40-44

3829

24M→40K

24.0 - 24.9 mi

Top 13%
×1
+6ft-20ft

Overall

3889

Males

3443

M40-44

3443

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1
+13ft-16ft

Overall

3600

Males

3177

M40-44

3177

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2
+22ft-21ft

Overall

2758

Males

2489

M40-44

2489

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1829*
Passed By
621
Net Change
+1208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6243
5K → 10K276*122+154#6243#6089
10K → 15K19488+106#6089#5983
15K → 20K134128+6#5983#5977
20K → HALF2030-10#5977#5987
HALF → 25K10393+10#5987#5977
25K → 30K246*37+209#5977#5768
30K → 20M12115+106#5768#5662
20M → 21M12323+100#5662#5562
21M → 35K6723+44#5562#5518
35K → 23M10225+77#5518#5441
23M → 24M9716+81#5441#5360
24M → 40K11112+99#5360#5261
40K → 25.2M515+46#5261#5215
25.2M → FINISH1844+180#5215#5035
TOTALS1829*621+1208

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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