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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

John Gulstad

Bib: 10808 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 30%
Gender (Male)
#0 / 16340
Top 43%
Masters (Masters Men)
#0 / 10617
Top 31%
Age Group (M50-54)
#0 / 1868
Top 28%
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
21:03
3.11 mi
Rank: #6636
Start → 5K
21:03 | 6:47/mi
10K
42:02
6.21 mi
Rank: #6546 (+90)
5K → 10K
20:59 | 6:46/mi
15K
1:02:58
9.32 mi
Rank: #6391 (+155)
10K → 15K
20:56 | 6:45/mi
20K
1:24:04
12.43 mi
Rank: #6290 (+101)
15K → 20K
21:06 | 6:48/mi
HALF
1:28:41
13.11 mi
Rank: #6313 (-23)
20K → HALF
4:37 | 6:47/mi
25K
1:45:13
15.53 mi
Rank: #6217 (+96)
HALF → 25K
16:32 | 6:50/mi
30K
2:07:58
18.64 mi
Rank: #6651 (-434)
25K → 30K
22:45 | 7:20/mi
20M
2:18:27
20.00 mi
Rank: #6946 (-295)
30K → 20M
10:29 | 7:44/mi
21M
2:27:06
21.00 mi
Rank: #7272 (-326)
20M → 21M
8:39 | 8:39/mi
35K
2:32:59
21.75 mi
Rank: #7444 (-172)
21M → 35K
5:53 | 7:52/mi
23M
2:43:14
23.00 mi
Rank: #7728 (-284)
35K → 23M
10:15 | 8:12/mi
24M
2:51:36
24.00 mi
Rank: #8063 (-335)
23M → 24M
8:22 | 8:22/mi
40K
2:58:50
24.85 mi
Rank: #8319 (-256)
24M → 40K
7:14 | 8:28/mi
25.2M
3:02:07
25.20 mi
Rank: #8462 (-143)
40K → 25.2M
3:17 | 9:32/mi
FINISH
3:10:21
26.22 mi
Rank: #8706 (-244)
25.2M → FINISH
8:14 | 8:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:41:40
Pace7:46 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:1921:036:4721:03
6:47
-
10K
6.21 mi10:59:1842:026:4620:59
6:46
-0:01
15K
9.32 mi11:20:141:02:586:4620:56
6:45
-0:01
20K
12.43 mi11:41:201:24:046:4621:06
6:48
+0:03
HALF
13.11 mi11:45:571:28:416:464:37
6:47
-0:01
25K
15.53 mi12:02:291:45:136:4716:32
6:50
+0:03
30K
18.64 mi12:25:142:07:586:5222:45
7:20
+0:30
20M
20.00 mi12:35:432:18:276:5610:29
7:44
+0:24
21M
21.00 mi12:44:222:27:067:018:39
8:39
+0:55
35K
21.75 mi12:50:152:32:597:035:53
7:52
-0:47
23M
23.00 mi13:00:302:43:147:0610:15
8:12
+0:20
24M
24.00 mi13:08:522:51:367:108:22
8:22
+0:10
40K
24.85 mi13:16:062:58:507:127:14
8:28
+0:06
25.2M
25.20 mi13:19:233:02:077:143:17
9:32
+1:04
FINISH
26.22 mi13:27:373:10:217:168:14
8:05
-1:27

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

6:45 /mi

Average Pace

7:16 /mi

Slowest Pace

9:32 /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

1:45:13

55% of race

Time at Steady Pace

47:21

25% of race

Time at Slower Pace

37:47

20% of race

Average Pace: 7:16 /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 mi10:38:1921:036:4721:03
6:47
#6636
10K
6.21 mi10:59:1842:026:4620:59
6:46
#6546
15K
9.32 mi11:20:141:02:586:4620:56
6:45
#6391
20K
12.43 mi11:41:201:24:046:4621:06
6:48
#6290
HALF
13.11 mi11:45:571:28:416:464:37
6:47
#6313
25K
15.53 mi12:02:291:45:136:4716:32
6:50
#6217
30K
18.64 mi12:25:142:07:586:5222:45
7:20
#6651
20M
20.00 mi12:35:432:18:276:5610:29
7:44
#6946
21M
21.00 mi12:44:222:27:067:018:39
8:39
#7272
35K
21.75 mi12:50:152:32:597:035:53
7:52
#7444
23M
23.00 mi13:00:302:43:147:0610:15
8:12
#7728
24M
24.00 mi13:08:522:51:367:108:22
8:22
#8063
40K
24.85 mi13:16:062:58:507:127:14
8:28
#8319
25.2M
25.20 mi13:19:233:02:077:143:17
9:32
#8462
FINISH
26.22 mi13:27:373:10:217:168:14
8:05
#8706
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 mi6636595559556202(Top 21%)5591(Top 34%)5591(Top 299%)
10K6.21 mi3.10 mi6546+905887+685887+686506(Top 22%)5842(Top 36%)5842(Top 313%)
15K9.32 mi3.11 mi6391+1555765+1225765+1226202(Top 21%)5591(Top 34%)5591(Top 299%)
20K12.43 mi3.11 mi6290+1015682+835682+836135(Top 21%)5513(Top 34%)5513(Top 295%)
HALF13.11 mi0.68 mi6313-235698-165698-166899(Top 24%)6117(Top 37%)6117(Top 327%)
25K15.53 mi2.42 mi6217+965610+885610+885975(Top 21%)5350(Top 33%)5350(Top 286%)
30K18.64 mi3.11 mi6651-4345912-3025912-3028265(Top 28%)6755(Top 41%)6755(Top 362%)
20M20.00 mi1.36 mi6946-2956107-1956107-19510690(Top 37%)7921(Top 48%)7921(Top 424%)
21M21.00 mi1.00 mi7272-3266320-2136320-21314024(Top 48%)9368(Top 57%)9368(Top 501%)
35K21.75 mi0.75 mi7444-1726430-1106430-11013456(Top 46%)9051(Top 55%)9051(Top 485%)
23M23.00 mi1.25 mi7728-2846576-1466576-14613691(Top 47%)9089(Top 56%)9089(Top 487%)
24M24.00 mi1.00 mi8063-3356749-1736749-17316081(Top 55%)10058(Top 62%)10058(Top 538%)
40K24.85 mi0.85 mi8319-2566864-1156864-11515356(Top 53%)9660(Top 59%)9660(Top 517%)
25.2M25.20 mi0.35 mi8462-1436929-656929-6517318(Top 60%)10542(Top 65%)10542(Top 564%)
FINISH26.22 mi1.02 mi8706-2447039-1107039-11015638(Top 54%)9818(Top 60%)9818(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21
+97ft-345ft

Overall

6202

Males

5591

M50-54

5591

5K→10K

3.1 - 6.2 mi

Top 22%
×5
+79ft-138ft

Overall

6506

Males

5842

M50-54

5842

10K→15K

6.2 - 9.3 mi

Top 21%
×3
+67ft-78ft

Overall

6202

Males

5591

M50-54

5591

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

6135

Males

5513

M50-54

5513

20K→HALF

12.4 - 13.1 mi

Top 24%
×2
+19ft-37ft

Overall

6899

Males

6117

M50-54

6117

HALF→25K

13.1 - 15.5 mi

Top 21%
×4
+66ft-88ft

Overall

5975

Males

5350

M50-54

5350

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8265

Males

6755

M50-54

6755

30K→20M

18.6 - 20.0 mi

Top 37%
×5
+64ft-50ft

Overall

10690

Males

7921

M50-54

7921

20M→21M

20.0 - 21.0 mi

Top 48%
×8
+106ft-24ft

Overall

14024

Males

9368

M50-54

9368

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13456

Males

9051

M50-54

9051

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13691

Males

9089

M50-54

9089

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

16081

Males

10058

M50-54

10058

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15356

Males

9660

M50-54

9660

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1
+13ft-16ft

Overall

17318

Males

10542

M50-54

10542

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15638

Males

9818

M50-54

9818

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1027*
Passed By
2135
Net Change
-2070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6636
5K → 10K237*147+90#6636#6546
10K → 15K222*67+155#6546#6391
15K → 20K18786+101#6391#6290
20K → HALF2144-23#6290#6313
HALF → 25K14650+96#6313#6217
25K → 30K59200-434#6217#6651
30K → 20M25200-295#6651#6946
20M → 21M15200-326#6946#7272
21M → 35K16188-172#7272#7444
35K → 23M39200-284#7444#7728
23M → 24M9200-335#7728#8063
24M → 40K24200-256#8063#8319
40K → 25.2M10153-143#8319#8462
25.2M → FINISH17200-244#8462#8706
TOTALS1027*2135-2070

* 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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