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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Chris Mazepink

Bib: 10359 •M •Age: N/A

OR

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 25%
Gender (Male)
#0 / 16340
Top 38%
Masters (Masters Men)
#0 / 10617
Top 24%
Age Group (M45-49)
#0 / 2413
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
20:58
3.11 mi
Rank: #6382
Start → 5K
20:58 | 6:45/mi
10K
41:50
6.21 mi
Rank: #6230 (+152)
5K → 10K
20:52 | 6:43/mi
15K
1:02:29
9.32 mi
Rank: #5868 (+362)
10K → 15K
20:39 | 6:39/mi
20K
1:24:16
12.43 mi
Rank: #6436 (-568)
15K → 20K
21:47 | 7:01/mi
HALF
1:28:51
13.11 mi
Rank: #6437 (-1)
20K → HALF
4:35 | 6:44/mi
25K
1:45:21
15.53 mi
Rank: #6322 (+115)
HALF → 25K
16:30 | 6:49/mi
30K
2:07:14
18.64 mi
Rank: #6280 (+42)
25K → 30K
21:53 | 7:03/mi
20M
2:16:50
20.00 mi
Rank: #6240 (+40)
30K → 20M
9:36 | 7:05/mi
21M
2:24:21
21.00 mi
Rank: #6263 (-23)
20M → 21M
7:31 | 7:31/mi
35K
2:29:35
21.75 mi
Rank: #6283 (-20)
21M → 35K
5:14 | 7:00/mi
23M
2:39:24
23.00 mi
Rank: #6541 (-258)
35K → 23M
9:49 | 7:51/mi
24M
2:47:11
24.00 mi
Rank: #6722 (-181)
23M → 24M
7:47 | 7:47/mi
40K
2:54:17
24.85 mi
Rank: #6931 (-209)
24M → 40K
7:06 | 8:19/mi
25.2M
2:57:18
25.20 mi
Rank: #6997 (-66)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:05:08
26.22 mi
Rank: #7162 (-165)
25.2M → FINISH
7:50 | 7:42/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:51
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:36:17
Pace7:21 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:37:4220:586:4520:58
6:45
-
10K
6.21 mi10:58:3441:506:4420:52
6:43
-0:02
15K
9.32 mi11:19:131:02:296:4320:39
6:39
-0:04
20K
12.43 mi11:41:001:24:166:4721:47
7:01
+0:22
HALF
13.11 mi11:45:351:28:516:474:35
6:44
-0:17
25K
15.53 mi12:02:051:45:216:4716:30
6:49
+0:05
30K
18.64 mi12:23:582:07:146:5021:53
7:03
+0:14
20M
20.00 mi12:33:342:16:506:519:36
7:05
+0:02
21M
21.00 mi12:41:052:24:216:537:31
7:31
+0:26
35K
21.75 mi12:46:192:29:356:535:14
7:00
-0:31
23M
23.00 mi12:56:082:39:246:569:49
7:51
+0:51
24M
24.00 mi13:03:552:47:116:587:47
7:47
-0:04
40K
24.85 mi13:11:012:54:177:017:06
8:19
+0:32
25.2M
25.20 mi13:14:022:57:187:033:01
8:45
+0:26
FINISH
26.22 mi13:21:523:05:087:047:50
7:42
-1:03

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

6:39 /mi

Average Pace

7:04 /mi

Slowest Pace

8:45 /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

46:06

25% of race

Time at Steady Pace

1:35:58

52% of race

Time at Slower Pace

43:04

23% of race

Average Pace: 7:04 /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 mi10:37:4220:586:4520:58
6:45
#6382
10K
6.21 mi10:58:3441:506:4420:52
6:43
#6230
15K
9.32 mi11:19:131:02:296:4320:39
6:39
#5868
20K
12.43 mi11:41:001:24:166:4721:47
7:01
#6436
HALF
13.11 mi11:45:351:28:516:474:35
6:44
#6437
25K
15.53 mi12:02:051:45:216:4716:30
6:49
#6322
30K
18.64 mi12:23:582:07:146:5021:53
7:03
#6280
20M
20.00 mi12:33:342:16:506:519:36
7:05
#6240
21M
21.00 mi12:41:052:24:216:537:31
7:31
#6263
35K
21.75 mi12:46:192:29:356:535:14
7:00
#6283
23M
23.00 mi12:56:082:39:246:569:49
7:51
#6541
24M
24.00 mi13:03:552:47:116:587:47
7:47
#6722
40K
24.85 mi13:11:012:54:177:017:06
8:19
#6931
25.2M
25.20 mi13:14:022:57:187:033:01
8:45
#6997
FINISH
26.22 mi13:21:523:05:087:047:50
7:42
#7162
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6382577357735324(Top 18%)4933(Top 30%)4933(Top 204%)
10K6.21 mi3.10 mi6230+1525651+1225651+1226131(Top 21%)5570(Top 34%)5570(Top 231%)
15K9.32 mi3.11 mi5868+3625381+2705381+2705324(Top 18%)4933(Top 30%)4933(Top 204%)
20K12.43 mi3.11 mi6436-5685789-4085789-4087935(Top 27%)6794(Top 42%)6794(Top 282%)
HALF13.11 mi0.68 mi6437-15795-65795-66410(Top 22%)5754(Top 35%)5754(Top 238%)
25K15.53 mi2.42 mi6322+1155687+1085687+1085850(Top 20%)5261(Top 32%)5261(Top 218%)
30K18.64 mi3.11 mi6280+425622+655622+656260(Top 22%)5497(Top 34%)5497(Top 228%)
20M20.00 mi1.36 mi6240+405581+415581+416035(Top 21%)5280(Top 32%)5280(Top 219%)
21M21.00 mi1.00 mi6263-235589-85589-86588(Top 23%)5510(Top 34%)5510(Top 228%)
35K21.75 mi0.75 mi6283-205594-55594-57038(Top 24%)5840(Top 36%)5840(Top 242%)
23M23.00 mi1.25 mi6541-2585783-1895783-18911297(Top 39%)7989(Top 49%)7989(Top 331%)
24M24.00 mi1.00 mi6722-1815898-1155898-11512119(Top 42%)8288(Top 51%)8288(Top 343%)
40K24.85 mi0.85 mi6931-2096019-1216019-12114418(Top 50%)9233(Top 57%)9233(Top 383%)
25.2M25.20 mi0.35 mi6997-666051-326051-3213070(Top 45%)8578(Top 52%)8578(Top 355%)
FINISH26.22 mi1.02 mi7162-1656135-846135-8412825(Top 44%)8470(Top 52%)8470(Top 351%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21
+97ft-345ft

Overall

5324

Males

4933

M45-49

4933

5K→10K

3.1 - 6.2 mi

Top 21%
×5
+79ft-138ft

Overall

6131

Males

5570

M45-49

5570

10K→15K

6.2 - 9.3 mi

Top 18%
×3
+67ft-78ft

Overall

5324

Males

4933

M45-49

4933

15K→20K

9.3 - 12.4 mi

Top 27%
×5
+106ft-86ft

Overall

7935

Males

6794

M45-49

6794

20K→HALF

12.4 - 13.1 mi

Top 22%
×2
+19ft-37ft

Overall

6410

Males

5754

M45-49

5754

HALF→25K

13.1 - 15.5 mi

Top 20%
×4
+66ft-88ft

Overall

5850

Males

5261

M45-49

5261

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6260

Males

5497

M45-49

5497

30K→20M

18.6 - 20.0 mi

Top 21%
×5
+64ft-50ft

Overall

6035

Males

5280

M45-49

5280

20M→21M

20.0 - 21.0 mi

Top 23%
×8
+106ft-24ft

Overall

6588

Males

5510

M45-49

5510

21M→35K

21.0 - 21.8 mi

Top 24%
×7
+17ft-86ft

Overall

7038

Males

5840

M45-49

5840

35K→23M

21.8 - 23.0 mi

Top 39%
×5
+23ft-63ft

Overall

11297

Males

7989

M45-49

7989

23M→24M

23.0 - 24.0 mi

Top 42%
×6
+12ft-82ft

Overall

12119

Males

8288

M45-49

8288

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14418

Males

9233

M45-49

9233

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1
+13ft-16ft

Overall

13070

Males

8578

M45-49

8578

25.2M→FINISH

25.2 - 26.2 mi

Top 44%
×2
+22ft-21ft

Overall

12825

Males

8470

M45-49

8470

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1354*
Passed By
1599
Net Change
-780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6382
5K → 10K268*116+152#6382#6230
10K → 15K379*17+362#6230#5868
15K → 20K50200-568#5868#6436
20K → HALF2526-1#6436#6437
HALF → 25K15843+115#6437#6322
25K → 30K174132+42#6322#6280
30K → 20M9555+40#6280#6240
20M → 21M6487-23#6240#6263
21M → 35K4262-20#6263#6283
35K → 23M29200-258#6283#6541
23M → 24M18199-181#6541#6722
24M → 40K21200-209#6722#6931
40K → 25.2M1480-66#6931#6997
25.2M → FINISH17182-165#6997#7162
TOTALS1354*1599-780

* 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

Activity Data

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