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BOSTON MARATHON 2026

Adam Sandelovsky

Bib: 9266•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 9%
Gender (Male)
#0 / 16340
Top 15%
Masters (Masters Men)
#0 / 10617
Top 4%
Division (M40-44)
#0 / 2198
Top 11%
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:58
Rank: #3653
Start → 5K
19:58 | 6:26/mi
10K· 6.21 mi
39:33
Rank: #3199 (+454)
5K → 10K
19:35 | 6:19/mi
15K· 9.32 mi
59:07
Rank: #3065 (+134)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:18:50
Rank: #2982 (+83)
15K → 20K
19:43 | 6:21/mi
HALF· 13.11 mi
1:23:08
Rank: #2992 (-10)
20K → HALF
4:18 | 6:19/mi
25K· 15.53 mi
1:38:32
Rank: #2891 (+101)
HALF → 25K
15:24 | 6:21/mi
30K· 18.64 mi
1:58:37
Rank: #2779 (+112)
25K → 30K
20:05 | 6:28/mi
20M
2:07:26
Rank: #2713 (+66)
30K → 20M
8:49 | 6:30/mi
21M
2:14:13
Rank: #2682 (+31)
20M → 21M
6:47 | 6:47/mi
35K· 21.75 mi
2:18:54
Rank: #2648 (+34)
21M → 35K
4:41 | 6:16/mi
23M
2:27:00
Rank: #2599 (+49)
35K → 23M
8:06 | 6:29/mi
24M
2:33:23
Rank: #2555 (+44)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:38:57
Rank: #2522 (+33)
24M → 40K
5:34 | 6:31/mi
25.2M
2:41:21
Rank: #2509 (+13)
40K → 25.2M
2:24 | 6:58/mi
FINISH· 26.22 mi
2:47:40
Rank: #2476 (+33)
25.2M → FINISH
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:23:08
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:24:32
Pace6:27 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0119:586:2619:58
6:26
-
10K
6.21 mi10:55:3639:336:2219:35
6:19
-0:07
15K
9.32 mi11:15:1059:076:2119:34
6:18
-0:01
20K
12.43 mi11:34:531:18:506:2119:43
6:21
+0:03
HALF
13.11 mi11:39:111:23:086:214:18
6:19
-0:02
25K
15.53 mi11:54:351:38:326:2115:24
6:21
+0:02
30K
18.64 mi12:14:401:58:376:2220:05
6:28
+0:07
20M
20.00 mi12:23:292:07:266:238:49
6:30
+0:02
21M
21.00 mi12:30:162:14:136:246:47
6:47
+0:17
35K
21.75 mi12:34:572:18:546:244:41
6:16
-0:31
23M
23.00 mi12:43:032:27:006:248:06
6:29
+0:13
24M
24.00 mi12:49:262:33:236:246:23
6:23
-0:06
40K
24.85 mi12:55:002:38:576:245:34
6:31
+0:08
25.2M
25.20 mi12:57:242:41:216:252:24
6:58
+0:27
FINISH
26.22 mi13:03:432:47:406:246:19
6:12
-0:46

Checkpoints & Pacing

📈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

6:12 /mi

Average Pace

6:24 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:16

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:36:0119:586:2619:58
6:26
#3653
10K
6.21 mi10:55:3639:336:2219:35
6:19
#3199
15K
9.32 mi11:15:1059:076:2119:34
6:18
#3065
20K
12.43 mi11:34:531:18:506:2119:43
6:21
#2982
HALF
13.11 mi11:39:111:23:086:214:18
6:19
#2992
25K
15.53 mi11:54:351:38:326:2115:24
6:21
#2891
30K
18.64 mi12:14:401:58:376:2220:05
6:28
#2779
20M
20.00 mi12:23:292:07:266:238:49
6:30
#2713
21M
21.00 mi12:30:162:14:136:246:47
6:47
#2682
35K
21.75 mi12:34:572:18:546:244:41
6:16
#2648
23M
23.00 mi12:43:032:27:006:248:06
6:29
#2599
24M
24.00 mi12:49:262:33:236:246:23
6:23
#2555
40K
24.85 mi12:55:002:38:576:245:34
6:31
#2522
25.2M
25.20 mi12:57:242:41:216:252:24
6:58
#2509
FINISH
26.22 mi13:03:432:47:406:246:19
6:12
#2476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3653347834782849(Top 10%)2732(Top 17%)2732(Top 124%)
10K6.21 mi3.10 mi3199+4543063+4153063+4152851(Top 10%)2742(Top 17%)2742(Top 125%)
15K9.32 mi3.11 mi3065+1342942+1212942+1212849(Top 10%)2732(Top 17%)2732(Top 124%)
20K12.43 mi3.11 mi2982+832861+812861+812837(Top 10%)2725(Top 17%)2725(Top 124%)
HALF13.11 mi0.68 mi2992-102869-82869-83084(Top 11%)2964(Top 18%)2964(Top 135%)
25K15.53 mi2.42 mi2891+1012777+922777+922598(Top 9%)2494(Top 15%)2494(Top 113%)
30K18.64 mi3.11 mi2779+1122670+1072670+1072393(Top 8%)2293(Top 14%)2293(Top 104%)
20M20.00 mi1.36 mi2713+662605+652605+652382(Top 8%)2263(Top 14%)2263(Top 103%)
21M21.00 mi1.00 mi2682+312576+292576+292371(Top 8%)2244(Top 14%)2244(Top 102%)
35K21.75 mi0.75 mi2648+342542+342542+342310(Top 8%)2191(Top 13%)2191(Top 100%)
23M23.00 mi1.25 mi2599+492497+452497+452284(Top 8%)2150(Top 13%)2150(Top 98%)
24M24.00 mi1.00 mi2555+442455+422455+422558(Top 9%)2369(Top 14%)2369(Top 108%)
40K24.85 mi0.85 mi2522+332421+342421+342582(Top 9%)2374(Top 15%)2374(Top 108%)
25.2M25.20 mi0.35 mi2509+132407+142407+142427(Top 8%)2220(Top 14%)2220(Top 101%)
FINISH26.22 mi1.02 mi2476+332375+322375+322503(Top 9%)2277(Top 14%)2277(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2849

Males

2732

M40-44

2732

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2851

Males

2742

M40-44

2742

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2849

Males

2732

M40-44

2732

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2837

Males

2725

M40-44

2725

20K→HALF

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3084

Males

2964

M40-44

2964

HALF→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2598

Males

2494

M40-44

2494

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2393

Males

2293

M40-44

2293

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2382

Males

2263

M40-44

2263

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2371

Males

2244

M40-44

2244

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2310

Males

2191

M40-44

2191

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2284

Males

2150

M40-44

2150

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2558

Males

2369

M40-44

2369

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2582

Males

2374

M40-44

2374

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2427

Males

2220

M40-44

2220

25.2M→FINISH

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2503

Males

2277

M40-44

2277

Passing Analysis

Category:
Athletes Passed
1461
Passed By
284
Net Change
+1177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3653
5K → 10K47723+454#3653#3199
10K → 15K16733+134#3199#3065
15K → 20K11835+83#3065#2982
20K → HALF1222-10#2982#2992
HALF → 25K11514+101#2992#2891
25K → 30K14634+112#2891#2779
30K → 20M8822+66#2779#2713
20M → 21M5019+31#2713#2682
21M → 35K384+34#2682#2648
35K → 23M6718+49#2648#2599
23M → 24M6016+44#2599#2555
24M → 40K5320+33#2555#2522
40K → 25.2M185+13#2522#2509
25.2M → FINISH5219+33#2509#2476
TOTALS1461284+1177
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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OTQ

Olympic Trials Qualifying analysis available

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing