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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jason Nelson

Bib: 5212 •M •Age: N/A

UT

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 40%
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
21:07
3.11 mi
Rank: #6848
Start → 5K
21:07 | 6:48/mi
10K
42:11
6.21 mi
Rank: #6776 (+72)
5K → 10K
21:04 | 6:47/mi
15K
1:03:20
9.32 mi
Rank: #6796 (-20)
10K → 15K
21:09 | 6:49/mi
20K
1:26:15
12.43 mi
Rank: #7925 (-1129)
15K → 20K
22:55 | 7:23/mi
HALF
1:30:47
13.11 mi
Rank: #7823 (+102)
20K → HALF
4:32 | 6:40/mi
25K
1:48:00
15.53 mi
Rank: #7812 (+11)
HALF → 25K
17:13 | 7:06/mi
30K
2:11:23
18.64 mi
Rank: #8064 (-252)
25K → 30K
23:23 | 7:32/mi
20M
2:22:30
20.00 mi
Rank: #8409 (-345)
30K → 20M
11:07 | 8:12/mi
21M
2:31:51
21.00 mi
Rank: #8982 (-573)
20M → 21M
9:21 | 9:21/mi
35K
2:37:44
21.75 mi
Rank: #9134 (-152)
21M → 35K
5:53 | 7:52/mi
23M
2:50:10
23.00 mi
Rank: #10154 (-1020)
35K → 23M
12:26 | 9:57/mi
24M
2:59:16
24.00 mi
Rank: #10720 (-566)
23M → 24M
9:06 | 9:06/mi
40K
3:07:13
24.85 mi
Rank: #11124 (-404)
24M → 40K
7:57 | 9:18/mi
25.2M
3:10:38
25.20 mi
Rank: #11285 (-161)
40K → 25.2M
3:25 | 9:55/mi
FINISH
3:18:51
26.22 mi
Rank: #11479 (-194)
25.2M → FINISH
8:13 | 8:04/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
Time1:30:47
Pace6:56 /mi
2nd Half
Distance13.11 mi
Time1:48:04
Pace8:15 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0521:076:4821:07
6:48
-
10K
6.21 mi10:46:0942:116:4821:04
6:47
-0:01
15K
9.32 mi11:07:181:03:206:4821:09
6:49
+0:02
20K
12.43 mi11:30:131:26:156:5722:55
7:23
+0:34
HALF
13.11 mi11:34:451:30:476:564:32
6:40
-0:43
25K
15.53 mi11:51:581:48:006:5817:13
7:06
+0:26
30K
18.64 mi12:15:212:11:237:0323:23
7:32
+0:26
20M
20.00 mi12:26:282:22:307:0811:07
8:12
+0:40
21M
21.00 mi12:35:492:31:517:149:21
9:21
+1:09
35K
21.75 mi12:41:422:37:447:165:53
7:52
-1:29
23M
23.00 mi12:54:082:50:107:2412:26
9:57
+2:05
24M
24.00 mi13:03:142:59:167:299:06
9:06
-0:51
40K
24.85 mi13:11:113:07:137:327:57
9:18
+0:12
25.2M
25.20 mi13:14:363:10:387:343:25
9:55
+0:37
FINISH
26.22 mi13:22:493:18:517:368:13
8:04
-1:51

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

6:40 /mi

Average Pace

7:35 /mi

Slowest Pace

9:57 /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

1:25:05

43% of race

Time at Steady Pace

1:11:31

36% of race

Time at Slower Pace

42:15

21% of race

Average Pace: 7:35 /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 mi10:25:0521:076:4821:07
6:48
#6848
10K
6.21 mi10:46:0942:116:4821:04
6:47
#6776
15K
9.32 mi11:07:181:03:206:4821:09
6:49
#6796
20K
12.43 mi11:30:131:26:156:5722:55
7:23
#7925
HALF
13.11 mi11:34:451:30:476:564:32
6:40
#7823
25K
15.53 mi11:51:581:48:006:5817:13
7:06
#7812
30K
18.64 mi12:15:212:11:237:0323:23
7:32
#8064
20M
20.00 mi12:26:282:22:307:0811:07
8:12
#8409
21M
21.00 mi12:35:492:31:517:149:21
9:21
#8982
35K
21.75 mi12:41:422:37:447:165:53
7:52
#9134
23M
23.00 mi12:54:082:50:107:2412:26
9:57
#10154
24M
24.00 mi13:03:142:59:167:299:06
9:06
#10720
40K
24.85 mi13:11:113:07:137:327:57
9:18
#11124
25.2M
25.20 mi13:14:363:10:387:343:25
9:55
#11285
FINISH
26.22 mi13:22:493:18:517:368:13
8:04
#11479
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6848610961096922(Top 24%)6128(Top 38%)6128(Top 107%)
10K6.21 mi3.10 mi6776+726056+536056+536797(Top 23%)6053(Top 37%)6053(Top 106%)
15K9.32 mi3.11 mi6796-206054+26054+26922(Top 24%)6128(Top 38%)6128(Top 107%)
20K12.43 mi3.11 mi7925-11296826-7726826-77210900(Top 38%)8343(Top 51%)8343(Top 146%)
HALF13.11 mi0.68 mi7823+1026762+646762+645758(Top 20%)5236(Top 32%)5236(Top 91%)
25K15.53 mi2.42 mi7812+116744+186744+188129(Top 28%)6830(Top 42%)6830(Top 119%)
30K18.64 mi3.11 mi8064-2526865-1216865-1219864(Top 34%)7631(Top 47%)7631(Top 133%)
20M20.00 mi1.36 mi8409-3457058-1937058-19314117(Top 49%)9501(Top 58%)9501(Top 166%)
21M21.00 mi1.00 mi8982-5737346-2887346-28817820(Top 61%)11053(Top 68%)11053(Top 193%)
35K21.75 mi0.75 mi9134-1527412-667412-6613470(Top 46%)9065(Top 55%)9065(Top 158%)
23M23.00 mi1.25 mi10154-10207894-4827894-48221935(Top 76%)12890(Top 79%)12890(Top 225%)
24M24.00 mi1.00 mi10720-5668164-2708164-27019844(Top 68%)11785(Top 72%)11785(Top 206%)
40K24.85 mi0.85 mi11124-4048345-1818345-18119632(Top 68%)11656(Top 71%)11656(Top 204%)
25.2M25.20 mi0.35 mi11285-1618408-638408-6318976(Top 65%)11342(Top 69%)11342(Top 198%)
FINISH26.22 mi1.02 mi11479-1948456-488456-4815528(Top 54%)9771(Top 60%)9771(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21
+97ft-345ft

Overall

6922

Males

6128

M18-39

6128

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6797

Males

6053

M18-39

6053

10K→15K

6.2 - 9.3 mi

Top 24%
×3
+67ft-78ft

Overall

6922

Males

6128

M18-39

6128

15K→20K

9.3 - 12.4 mi

Top 38%
×5
+106ft-86ft

Overall

10900

Males

8343

M18-39

8343

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5758

Males

5236

M18-39

5236

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8129

Males

6830

M18-39

6830

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9864

Males

7631

M18-39

7631

30K→20M

18.6 - 20.0 mi

Top 49%
×5
+64ft-50ft

Overall

14117

Males

9501

M18-39

9501

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17820

Males

11053

M18-39

11053

21M→35K

21.0 - 21.8 mi

Top 46%
×7
+17ft-86ft

Overall

13470

Males

9065

M18-39

9065

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

21935

Males

12890

M18-39

12890

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19844

Males

11785

M18-39

11785

24M→40K

24.0 - 24.9 mi

Top 68%
×1
+6ft-20ft

Overall

19632

Males

11656

M18-39

11656

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18976

Males

11342

M18-39

11342

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15528

Males

9771

M18-39

9771

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
831*
Passed By
2379
Net Change
-4631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6848
5K → 10K243*171+72#6848#6776
10K → 15K134154-20#6776#6796
15K → 20K17200-1129#6796#7925
20K → HALF1031+102#7925#7823
HALF → 25K121110+11#7823#7812
25K → 30K85200-252#7812#8064
30K → 20M18200-345#8064#8409
20M → 21M11200-573#8409#8982
21M → 35K23175-152#8982#9134
35K → 23M10200-1020#9134#10154
23M → 24M16200-566#10154#10720
24M → 40K11200-404#10720#11124
40K → 25.2M7168-161#11124#11285
25.2M → FINISH32200-194#11285#11479
TOTALS831*2379-4631

* 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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