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BOSTON MARATHON 2026

Nicholas Kartschoke

Bib: 4865β€’M

MN

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Overall
#0 / 29021
Top 22%
Gender (Male)
#0 / 16340
Top 34%
Age Group (M18-39)
#0 / 5723
Race Day Weather
51Β°/41Β°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
19:08
3.11 mi
Rank: #1910
Start β†’ 5K
19:08 | 6:10/mi
10K
38:17
6.21 mi
Rank: #2008 (-98)
5K β†’ 10K
19:09 | 6:10/mi
15K
57:26
9.32 mi
Rank: #2028 (-20)
10K β†’ 15K
19:09 | 6:10/mi
20K
1:16:41
12.43 mi
Rank: #2014 (+14)
15K β†’ 20K
19:15 | 6:12/mi
HALF
1:20:52
13.11 mi
Rank: #2019 (-5)
20K β†’ HALF
4:11 | 6:09/mi
25K
1:36:48
15.53 mi
Rank: #2237 (-218)
HALF β†’ 25K
15:56 | 6:35/mi
30K
1:57:10
18.64 mi
Rank: #2316 (-79)
25K β†’ 30K
20:22 | 6:34/mi
20M
2:06:44
20.00 mi
Rank: #2508 (-192)
30K β†’ 20M
9:34 | 7:03/mi
21M
2:15:00
21.00 mi
Rank: #2888 (-380)
20M β†’ 21M
8:16 | 8:16/mi
35K
2:21:06
21.75 mi
Rank: #3232 (-344)
21M β†’ 35K
6:06 | 8:10/mi
23M
2:32:25
23.00 mi
Rank: #4011 (-779)
35K β†’ 23M
11:19 | 9:03/mi
24M
2:41:31
24.00 mi
Rank: #4769 (-758)
23M β†’ 24M
9:06 | 9:06/mi
40K
2:49:34
24.85 mi
Rank: #5511 (-742)
24M β†’ 40K
8:03 | 9:25/mi
25.2M
2:53:22
25.20 mi
Rank: #5929 (-418)
40K β†’ 25.2M
3:48 | 11:02/mi
FINISH
3:01:37
26.22 mi
Rank: #6275 (-346)
25.2M β†’ FINISH
8:15 | 8:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:20:52
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:40:45
Pace7:42 /mi
πŸ“ŠPositive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4519:086:1019:08
6:10
-
10K
6.21 mi10:40:5438:176:1019:09
6:10
0:00
15K
9.32 mi11:00:0357:266:1019:09
6:10
0:00
20K
12.43 mi11:19:181:16:416:1119:15
6:12
+0:02
HALF
13.11 mi11:23:291:20:526:114:11
6:09
-0:03
25K
15.53 mi11:39:251:36:486:1415:56
6:35
+0:26
30K
18.64 mi11:59:471:57:106:1820:22
6:34
-0:01
20M
20.00 mi12:09:212:06:446:219:34
7:03
+0:29
21M
21.00 mi12:17:372:15:006:268:16
8:16
+1:13
35K
21.75 mi12:23:432:21:066:306:06
8:10
-0:06
23M
23.00 mi12:35:022:32:256:3811:19
9:03
+0:53
24M
24.00 mi12:44:082:41:316:449:06
9:06
+0:03
40K
24.85 mi12:52:112:49:346:508:03
9:25
+0:19
25.2M
25.20 mi12:55:592:53:226:533:48
11:02
+1:37
FINISH
26.22 mi13:04:143:01:376:568:15
8:06
-2:56

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:09 /mi

Average Pace

6:56 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:20:52

45% of race

Time at Steady Pace

45:52

25% of race

Time at Slower Pace

54:53

30% of race

Average Pace: 6:56 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:21:4519:086:1019:08
6:10
#1910
10K
6.21 mi10:40:5438:176:1019:09
6:10
#2008
15K
9.32 mi11:00:0357:266:1019:09
6:10
#2028
20K
12.43 mi11:19:181:16:416:1119:15
6:12
#2014
HALF
13.11 mi11:23:291:20:526:114:11
6:09
#2019
25K
15.53 mi11:39:251:36:486:1415:56
6:35
#2237
30K
18.64 mi11:59:471:57:106:1820:22
6:34
#2316
20M
20.00 mi12:09:212:06:446:219:34
7:03
#2508
21M
21.00 mi12:17:372:15:006:268:16
8:16
#2888
35K
21.75 mi12:23:432:21:066:306:06
8:10
#3232
23M
23.00 mi12:35:022:32:256:3811:19
9:03
#4011
24M
24.00 mi12:44:082:41:316:449:06
9:06
#4769
40K
24.85 mi12:52:112:49:346:508:03
9:25
#5511
25.2M
25.20 mi12:55:592:53:226:533:48
11:02
#5929
FINISH
26.22 mi13:04:143:01:376:568:15
8:06
#6275
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 mi1910184218422117(Top 7%)2041(Top 12%)2041(Top 36%)
10K6.21 mi3.10 mi2008-981937-951937-952095(Top 7%)2021(Top 12%)2021(Top 35%)
15K9.32 mi3.11 mi2028-201956-191956-192117(Top 7%)2041(Top 12%)2041(Top 36%)
20K12.43 mi3.11 mi2014+141942+141942+142004(Top 7%)1933(Top 12%)1933(Top 34%)
HALF13.11 mi0.68 mi2019-51946-41946-42178(Top 8%)2104(Top 13%)2104(Top 37%)
25K15.53 mi2.42 mi2237-2182160-2142160-2143923(Top 14%)3696(Top 23%)3696(Top 65%)
30K18.64 mi3.11 mi2316-792233-732233-732878(Top 10%)2744(Top 17%)2744(Top 48%)
20M20.00 mi1.36 mi2508-1922412-1792412-1795863(Top 20%)5145(Top 31%)5145(Top 90%)
21M21.00 mi1.00 mi2888-3802767-3552767-35511591(Top 40%)8238(Top 50%)8238(Top 144%)
35K21.75 mi0.75 mi3232-3443090-3233090-32315446(Top 53%)9939(Top 61%)9939(Top 174%)
23M23.00 mi1.25 mi4011-7793764-6743764-67418666(Top 64%)11283(Top 69%)11283(Top 197%)
24M24.00 mi1.00 mi4769-7584400-6364400-63619841(Top 68%)11782(Top 72%)11782(Top 206%)
40K24.85 mi0.85 mi5511-7424983-5834983-58320046(Top 69%)11874(Top 73%)11874(Top 207%)
25.2M25.20 mi0.35 mi5929-4185300-3175300-31722366(Top 77%)12997(Top 80%)12997(Top 227%)
FINISH26.22 mi1.02 mi6275-3465548-2485548-24815735(Top 54%)9861(Top 60%)9861(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
Γ—21
+97ft-345ft

Overall

2117

Males

2041

M18-39

2041

5K→10K

3.1 - 6.2 mi

Top 7%
Γ—5
+79ft-138ft

Overall

2095

Males

2021

M18-39

2021

10K→15K

6.2 - 9.3 mi

Top 7%
Γ—3
+67ft-78ft

Overall

2117

Males

2041

M18-39

2041

15K→20K

9.3 - 12.4 mi

Top 7%
Γ—5
+106ft-86ft

Overall

2004

Males

1933

M18-39

1933

20K→HALF

12.4 - 13.1 mi

Top 8%
Γ—2
+19ft-37ft

Overall

2178

Males

2104

M18-39

2104

HALF→25K

13.1 - 15.5 mi

Top 14%
Γ—4
+66ft-88ft

Overall

3923

Males

3696

M18-39

3696

25K→30K

15.5 - 18.6 mi

Top 10%
Γ—9
+181ft-148ft

Overall

2878

Males

2744

M18-39

2744

30K→20M

18.6 - 20.0 mi

Top 20%
Γ—5
+64ft-50ft

Overall

5863

Males

5145

M18-39

5145

20M→21M

20.0 - 21.0 mi

Top 40%
Γ—8
+106ft-24ft

Overall

11591

Males

8238

M18-39

8238

21M→35K

21.0 - 21.8 mi

Top 53%
Γ—7
+17ft-86ft

Overall

15446

Males

9939

M18-39

9939

35K→23M

21.8 - 23.0 mi

Top 64%
Γ—5
+23ft-63ft

Overall

18666

Males

11283

M18-39

11283

23M→24M

23.0 - 24.0 mi

Top 68%
Γ—6
+12ft-82ft

Overall

19841

Males

11782

M18-39

11782

24M→40K

24.0 - 24.9 mi

Top 69%
Γ—1
+6ft-20ft

Overall

20046

Males

11874

M18-39

11874

40K→25.2M

24.9 - 25.2 mi

Top 77%
Γ—1
+13ft-16ft

Overall

22366

Males

12997

M18-39

12997

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
Γ—2
+22ft-21ft

Overall

15735

Males

9861

M18-39

9861

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
282
Passed By
4647
Net Change
-4365
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1910
5K β†’ 10K69167-98#1910#2008
10K β†’ 15K4969-20#2008#2028
15K β†’ 20K5339+14#2028#2014
20K β†’ HALF813-5#2014#2019
HALF β†’ 25K10228-218#2019#2237
25K β†’ 30K46125-79#2237#2316
30K β†’ 20M17209-192#2316#2508
20M β†’ 21M5385-380#2508#2888
21M β†’ 35K1345-344#2888#3232
35K β†’ 23M9788-779#3232#4011
23M β†’ 24M2760-758#4011#4769
24M β†’ 40K5747-742#4769#5511
40K β†’ 25.2M0418-418#5511#5929
25.2M β†’ FINISH8354-346#5929#6275
TOTALS2824647-4365
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing