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BOSTON MARATHON 2026

Dan Markow

Bib: 27123•M

MA

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Overall
#0 / 29021
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
27:47
3.11 mi
Rank: #22370
Start → 5K
27:47 | 8:57/mi
10K
55:27
6.21 mi
Rank: #22398 (-28)
5K → 10K
27:40 | 8:55/mi
15K
1:22:52
9.32 mi
Rank: #22217 (+181)
10K → 15K
27:25 | 8:50/mi
20K
1:50:25
12.43 mi
Rank: #21958 (+259)
15K → 20K
27:33 | 8:53/mi
HALF
1:56:16
13.11 mi
Rank: #21881 (+77)
20K → HALF
5:51 | 8:35/mi
25K
2:18:04
15.53 mi
Rank: #21734 (+147)
HALF → 25K
21:48 | 9:00/mi
30K
2:45:28
18.64 mi
Rank: #21205 (+529)
25K → 30K
27:24 | 8:50/mi
20M
2:58:09
20.00 mi
Rank: #21107 (+98)
30K → 20M
12:41 | 9:21/mi
21M
3:08:08
21.00 mi
Rank: #21086 (+21)
20M → 21M
9:59 | 9:59/mi
35K
3:14:45
21.75 mi
Rank: #21026 (+60)
21M → 35K
6:37 | 8:51/mi
23M
3:26:21
23.00 mi
Rank: #20946 (+80)
35K → 23M
11:36 | 9:17/mi
24M
3:35:13
24.00 mi
Rank: #20863 (+83)
23M → 24M
8:52 | 8:52/mi
40K
3:43:00
24.85 mi
Rank: #20775 (+88)
24M → 40K
7:47 | 9:07/mi
25.2M
3:46:26
25.20 mi
Rank: #20759 (+16)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:55:41
26.22 mi
Rank: #20779 (-20)
25.2M → FINISH
9:15 | 9:05/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:56:16
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time1:59:25
Pace9:07 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5127:478:5727:47
8:57
-
10K
6.21 mi12:16:3155:278:5627:40
8:55
-0:02
15K
9.32 mi12:43:561:22:528:5427:25
8:50
-0:05
20K
12.43 mi13:11:291:50:258:5427:33
8:53
+0:03
HALF
13.11 mi13:17:201:56:168:535:51
8:35
-0:18
25K
15.53 mi13:39:082:18:048:5421:48
9:00
+0:25
30K
18.64 mi14:06:322:45:288:5327:24
8:50
-0:10
20M
20.00 mi14:19:132:58:098:5512:41
9:21
+0:31
21M
21.00 mi14:29:123:08:088:589:59
9:59
+0:38
35K
21.75 mi14:35:493:14:458:586:37
8:51
-1:08
23M
23.00 mi14:47:253:26:218:5911:36
9:17
+0:26
24M
24.00 mi14:56:173:35:138:598:52
8:52
-0:25
40K
24.85 mi15:04:043:43:008:597:47
9:07
+0:15
25.2M
25.20 mi15:07:303:46:269:003:26
9:58
+0:51
FINISH
26.22 mi15:16:453:55:419:009:15
9:05
-0:53

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

8:35 /mi

Average Pace

9:00 /mi

Slowest Pace

9:59 /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

3:42:16

94% of race

Time at Steady Pace

13:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:59 /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 mi11:48:5127:478:5727:47
8:57
#22370
10K
6.21 mi12:16:3155:278:5627:40
8:55
#22398
15K
9.32 mi12:43:561:22:528:5427:25
8:50
#22217
20K
12.43 mi13:11:291:50:258:5427:33
8:53
#21958
HALF
13.11 mi13:17:201:56:168:535:51
8:35
#21881
25K
15.53 mi13:39:082:18:048:5421:48
9:00
#21734
30K
18.64 mi14:06:322:45:288:5327:24
8:50
#21205
20M
20.00 mi14:19:132:58:098:5512:41
9:21
#21107
21M
21.00 mi14:29:123:08:088:589:59
9:59
#21086
35K
21.75 mi14:35:493:14:458:586:37
8:51
#21026
23M
23.00 mi14:47:253:26:218:5911:36
9:17
#20946
24M
24.00 mi14:56:173:35:138:598:52
8:52
#20863
40K
24.85 mi15:04:043:43:008:597:47
9:07
#20775
25.2M
25.20 mi15:07:303:46:269:003:26
9:58
#20759
FINISH
26.22 mi15:16:453:55:419:009:15
9:05
#20779
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 mi22370134111341121852(Top 75%)13189(Top 81%)13189(Top 230%)
10K6.21 mi3.10 mi22398-2813436-2513436-2522407(Top 77%)13450(Top 82%)13450(Top 235%)
15K9.32 mi3.11 mi22217+18113360+7613360+7621852(Top 75%)13189(Top 81%)13189(Top 230%)
20K12.43 mi3.11 mi21958+25913227+13313227+13321307(Top 73%)12917(Top 79%)12917(Top 226%)
HALF13.11 mi0.68 mi21881+7713191+3613191+3620701(Top 71%)12649(Top 77%)12649(Top 221%)
25K15.53 mi2.42 mi21734+14713114+7713114+7721113(Top 73%)12805(Top 78%)12805(Top 224%)
30K18.64 mi3.11 mi21205+52912836+27812836+27818678(Top 64%)11566(Top 71%)11566(Top 202%)
20M20.00 mi1.36 mi21107+9812772+6412772+6420405(Top 70%)12301(Top 75%)12301(Top 215%)
21M21.00 mi1.00 mi21086+2112756+1612756+1620354(Top 70%)12240(Top 75%)12240(Top 214%)
35K21.75 mi0.75 mi21026+6012723+3312723+3319346(Top 67%)11664(Top 71%)11664(Top 204%)
23M23.00 mi1.25 mi20946+8012676+4712676+4719697(Top 68%)11797(Top 72%)11797(Top 206%)
24M24.00 mi1.00 mi20863+8312627+4912627+4918853(Top 65%)11349(Top 69%)11349(Top 198%)
40K24.85 mi0.85 mi20775+8812570+5712570+5718874(Top 65%)11304(Top 69%)11304(Top 198%)
25.2M25.20 mi0.35 mi20759+1612558+1212558+1219216(Top 66%)11479(Top 70%)11479(Top 201%)
FINISH26.22 mi1.02 mi20779-2012557+112557+120822(Top 72%)12263(Top 75%)12263(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21852

Males

13189

M18-39

13189

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22407

Males

13450

M18-39

13450

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21852

Males

13189

M18-39

13189

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21307

Males

12917

M18-39

12917

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20701

Males

12649

M18-39

12649

HALF→25K

13.1 - 15.5 mi

Top 73%
×4
+66ft-88ft

Overall

21113

Males

12805

M18-39

12805

25K→30K

15.5 - 18.6 mi

Top 64%
×9
+181ft-148ft

Overall

18678

Males

11566

M18-39

11566

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20405

Males

12301

M18-39

12301

20M→21M

20.0 - 21.0 mi

Top 70%
×8
+106ft-24ft

Overall

20354

Males

12240

M18-39

12240

21M→35K

21.0 - 21.8 mi

Top 67%
×7
+17ft-86ft

Overall

19346

Males

11664

M18-39

11664

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19697

Males

11797

M18-39

11797

23M→24M

23.0 - 24.0 mi

Top 65%
×6
+12ft-82ft

Overall

18853

Males

11349

M18-39

11349

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18874

Males

11304

M18-39

11304

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19216

Males

11479

M18-39

11479

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20822

Males

12263

M18-39

12263

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2330
Passed By
739
Net Change
+1591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22370
5K → 10K244272-28#22370#22398
10K → 15K27998+181#22398#22217
15K → 20K30344+259#22217#21958
20K → HALF836+77#21958#21881
HALF → 25K19649+147#21881#21734
25K → 30K5345+529#21734#21205
30K → 20M13335+98#21205#21107
20M → 21M8261+21#21107#21086
21M → 35K7717+60#21086#21026
35K → 23M12343+80#21026#20946
23M → 24M10421+83#20946#20863
24M → 40K10416+88#20863#20775
40K → 25.2M3216+16#20775#20759
25.2M → FINISH3656-20#20759#20779
TOTALS2330739+1591

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📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing