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BOSTON MARATHON 2026

Harry Dow

Bib: 23590•M

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
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
27:37
3.11 mi
Rank: #22122
Start → 5K
27:37 | 8:54/mi
10K
54:10
6.21 mi
Rank: #21421 (+701)
5K → 10K
26:33 | 8:33/mi
15K
1:20:27
9.32 mi
Rank: #20911 (+510)
10K → 15K
26:17 | 8:28/mi
20K
1:49:06
12.43 mi
Rank: #21439 (-528)
15K → 20K
28:39 | 9:14/mi
HALF
1:54:54
13.11 mi
Rank: #21375 (+64)
20K → HALF
5:48 | 8:31/mi
25K
2:17:23
15.53 mi
Rank: #21535 (-160)
HALF → 25K
22:29 | 9:17/mi
30K
2:47:30
18.64 mi
Rank: #21703 (-168)
25K → 30K
30:07 | 9:42/mi
20M
3:00:57
20.00 mi
Rank: #21775 (-72)
30K → 20M
13:27 | 9:55/mi
21M
3:12:30
21.00 mi
Rank: #21983 (-208)
20M → 21M
11:33 | 11:33/mi
35K
3:19:44
21.75 mi
Rank: #21996 (-13)
21M → 35K
7:14 | 9:41/mi
23M
3:32:35
23.00 mi
Rank: #22091 (-95)
35K → 23M
12:51 | 10:17/mi
24M
3:42:03
24.00 mi
Rank: #22047 (+44)
23M → 24M
9:28 | 9:28/mi
40K
3:50:57
24.85 mi
Rank: #22119 (-72)
24M → 40K
8:54 | 10:25/mi
25.2M
3:54:42
25.20 mi
Rank: #22115 (+4)
40K → 25.2M
3:45 | 10:53/mi
FINISH
4:03:15
26.22 mi
Rank: #21978 (+137)
25.2M → FINISH
8:33 | 8:24/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:54:54
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:08:21
Pace9:48 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1527:378:5427:37
8:54
-
10K
6.21 mi12:16:4854:108:4426:33
8:33
-0:21
15K
9.32 mi12:43:051:20:278:3826:17
8:28
-0:05
20K
12.43 mi13:11:441:49:068:4728:39
9:14
+0:46
HALF
13.11 mi13:17:321:54:548:465:48
8:31
-0:43
25K
15.53 mi13:40:012:17:238:5122:29
9:17
+0:46
30K
18.64 mi14:10:082:47:309:0030:07
9:42
+0:25
20M
20.00 mi14:23:353:00:579:0313:27
9:55
+0:13
21M
21.00 mi14:35:083:12:309:1111:33
11:33
+1:38
35K
21.75 mi14:42:223:19:449:127:14
9:41
-1:52
23M
23.00 mi14:55:133:32:359:1512:51
10:17
+0:36
24M
24.00 mi15:04:413:42:039:169:28
9:28
-0:49
40K
24.85 mi15:13:353:50:579:188:54
10:25
+0:57
25.2M
25.20 mi15:17:203:54:429:193:45
10:53
+0:28
FINISH
26.22 mi15:25:534:03:159:188:33
8:24
-2:29

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

8:24 /mi

Average Pace

9:17 /mi

Slowest Pace

11:33 /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

1:34:48

39% of race

Time at Steady Pace

1:51:24

46% of race

Time at Slower Pace

37:03

15% of race

Average Pace: 9:17 /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 mi11:50:1527:378:5427:37
8:54
#22122
10K
6.21 mi12:16:4854:108:4426:33
8:33
#21421
15K
9.32 mi12:43:051:20:278:3826:17
8:28
#20911
20K
12.43 mi13:11:441:49:068:4728:39
9:14
#21439
HALF
13.11 mi13:17:321:54:548:465:48
8:31
#21375
25K
15.53 mi13:40:012:17:238:5122:29
9:17
#21535
30K
18.64 mi14:10:082:47:309:0030:07
9:42
#21703
20M
20.00 mi14:23:353:00:579:0313:27
9:55
#21775
21M
21.00 mi14:35:083:12:309:1111:33
11:33
#21983
35K
21.75 mi14:42:223:19:449:127:14
9:41
#21996
23M
23.00 mi14:55:133:32:359:1512:51
10:17
#22091
24M
24.00 mi15:04:413:42:039:169:28
9:28
#22047
40K
24.85 mi15:13:353:50:579:188:54
10:25
#22119
25.2M
25.20 mi15:17:203:54:429:193:45
10:53
#22115
FINISH
26.22 mi15:25:534:03:159:188:33
8:24
#21978
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22122132761327619912(Top 69%)12298(Top 75%)12298(Top 4377%)
10K6.21 mi3.10 mi21421+70112956+32012956+32020586(Top 71%)12593(Top 77%)12593(Top 4481%)
15K9.32 mi3.11 mi20911+51012735+22112735+22119912(Top 69%)12298(Top 75%)12298(Top 4377%)
20K12.43 mi3.11 mi21439-52812959-22412959-22422833(Top 79%)13653(Top 84%)13653(Top 4859%)
HALF13.11 mi0.68 mi21375+6412927+3212927+3220286(Top 70%)12475(Top 76%)12475(Top 4440%)
25K15.53 mi2.42 mi21535-16013010-8313010-8322289(Top 77%)13371(Top 82%)13371(Top 4758%)
30K18.64 mi3.11 mi21703-16813089-7913089-7922238(Top 77%)13262(Top 81%)13262(Top 4720%)
20M20.00 mi1.36 mi21775-7213095-613095-622299(Top 77%)13204(Top 81%)13204(Top 4699%)
21M21.00 mi1.00 mi21983-20813186-9113186-9124265(Top 84%)14040(Top 86%)14040(Top 4996%)
35K21.75 mi0.75 mi21996-1313181+513181+522254(Top 77%)13088(Top 80%)13088(Top 4658%)
23M23.00 mi1.25 mi22091-9513209-2813209-2822822(Top 79%)13308(Top 81%)13308(Top 4736%)
24M24.00 mi1.00 mi22047+4413181+2813181+2821217(Top 73%)12493(Top 76%)12493(Top 4446%)
40K24.85 mi0.85 mi22119-7213196-1513196-1522970(Top 79%)13288(Top 81%)13288(Top 4729%)
25.2M25.20 mi0.35 mi22115+413191+513191+522041(Top 76%)12861(Top 79%)12861(Top 4577%)
FINISH26.22 mi1.02 mi21978+13713121+7013121+7017562(Top 61%)10692(Top 65%)10692(Top 3805%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

19912

Males

12298

M70-74

12298

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20586

Males

12593

M70-74

12593

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

19912

Males

12298

M70-74

12298

15K→20K

9.3 - 12.4 mi

Top 79%
×5
+106ft-86ft

Overall

22833

Males

13653

M70-74

13653

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20286

Males

12475

M70-74

12475

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22289

Males

13371

M70-74

13371

25K→30K

15.5 - 18.6 mi

Top 77%
×9
+181ft-148ft

Overall

22238

Males

13262

M70-74

13262

30K→20M

18.6 - 20.0 mi

Top 77%
×5
+64ft-50ft

Overall

22299

Males

13204

M70-74

13204

20M→21M

20.0 - 21.0 mi

Top 84%
×8
+106ft-24ft

Overall

24265

Males

14040

M70-74

14040

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22254

Males

13088

M70-74

13088

35K→23M

21.8 - 23.0 mi

Top 79%
×5
+23ft-63ft

Overall

22822

Males

13308

M70-74

13308

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21217

Males

12493

M70-74

12493

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22970

Males

13288

M70-74

13288

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1
+13ft-16ft

Overall

22041

Males

12861

M70-74

12861

25.2M→FINISH

25.2 - 26.2 mi

Top 61%
×2
+22ft-21ft

Overall

17562

Males

10692

M70-74

10692

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2071
Passed By
1927
Net Change
+144
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22122
5K → 10K78786+701#22122#21421
10K → 15K54636+510#21421#20911
15K → 20K44572-528#20911#21439
20K → HALF706+64#21439#21375
HALF → 25K76236-160#21375#21535
25K → 30K104272-168#21535#21703
30K → 20M68140-72#21703#21775
20M → 21M31239-208#21775#21983
21M → 35K4457-13#21983#21996
35K → 23M51146-95#21996#22091
23M → 24M7329+44#22091#22047
24M → 40K1890-72#22047#22119
40K → 25.2M2117+4#22119#22115
25.2M → FINISH1381+137#22115#21978
TOTALS20711927+144
📊

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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing