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BOSTON MARATHON 2026

Terence Hatzkilson

Bib: 10242•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 21%
Gender (Male)
#0 / 16340
Top 33%
Masters (Masters Men)
#0 / 10617
Top 19%
Age Group (M50-54)
#0 / 1868
Top 13%
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
21:36
3.11 mi
Rank: #8155
Start → 5K
21:36 | 6:58/mi
10K
42:36
6.21 mi
Rank: #7412 (+743)
5K → 10K
21:00 | 6:46/mi
15K
1:03:56
9.32 mi
Rank: #7442 (-30)
10K → 15K
21:20 | 6:52/mi
20K
1:25:32
12.43 mi
Rank: #7444 (-2)
15K → 20K
21:36 | 6:58/mi
HALF
1:30:14
13.11 mi
Rank: #7464 (-20)
20K → HALF
4:42 | 6:54/mi
25K
1:47:05
15.53 mi
Rank: #7356 (+108)
HALF → 25K
16:51 | 6:57/mi
30K
2:08:58
18.64 mi
Rank: #7103 (+253)
25K → 30K
21:53 | 7:03/mi
20M
2:18:31
20.00 mi
Rank: #6968 (+135)
30K → 20M
9:33 | 7:02/mi
21M
2:25:47
21.00 mi
Rank: #6820 (+148)
20M → 21M
7:16 | 7:16/mi
35K
2:30:45
21.75 mi
Rank: #6704 (+116)
21M → 35K
4:58 | 6:39/mi
23M
2:39:17
23.00 mi
Rank: #6507 (+197)
35K → 23M
8:32 | 6:50/mi
24M
2:45:56
24.00 mi
Rank: #6375 (+132)
23M → 24M
6:39 | 6:39/mi
40K
2:51:45
24.85 mi
Rank: #6271 (+104)
24M → 40K
5:49 | 6:49/mi
25.2M
2:54:16
25.20 mi
Rank: #6222 (+49)
40K → 25.2M
2:31 | 7:18/mi
FINISH
3:01:04
26.22 mi
Rank: #6140 (+82)
25.2M → FINISH
6:48 | 6:41/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:30:14
Pace6:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:30:50
Pace6:56 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:38:2121:366:5821:36
6:58
-
10K
6.21 mi10:59:2142:366:5221:00
6:46
-0:12
15K
9.32 mi11:20:411:03:566:5221:20
6:52
+0:06
20K
12.43 mi11:42:171:25:326:5321:36
6:58
+0:06
HALF
13.11 mi11:46:591:30:146:534:42
6:54
-0:04
25K
15.53 mi12:03:501:47:056:5416:51
6:57
+0:03
30K
18.64 mi12:25:432:08:586:5621:53
7:03
+0:06
20M
20.00 mi12:35:162:18:316:569:33
7:02
-0:01
21M
21.00 mi12:42:322:25:476:577:16
7:16
+0:14
35K
21.75 mi12:47:302:30:456:564:58
6:39
-0:37
23M
23.00 mi12:56:022:39:176:568:32
6:50
+0:11
24M
24.00 mi13:02:412:45:566:556:39
6:39
-0:11
40K
24.85 mi13:08:302:51:456:555:49
6:49
+0:10
25.2M
25.20 mi13:11:012:54:166:552:31
7:18
+0:29
FINISH
26.22 mi13:17:493:01:046:556:48
6:41
-0:37

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

6:39 /mi

Average Pace

6:55 /mi

Slowest Pace

7:18 /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

2:19:51

77% of race

Time at Steady Pace

41:13

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:54 /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 mi10:38:2121:366:5821:36
6:58
#8155
10K
6.21 mi10:59:2142:366:5221:00
6:46
#7412
15K
9.32 mi11:20:411:03:566:5221:20
6:52
#7442
20K
12.43 mi11:42:171:25:326:5321:36
6:58
#7444
HALF
13.11 mi11:46:591:30:146:534:42
6:54
#7464
25K
15.53 mi12:03:501:47:056:5416:51
6:57
#7356
30K
18.64 mi12:25:432:08:586:5621:53
7:03
#7103
20M
20.00 mi12:35:162:18:316:569:33
7:02
#6968
21M
21.00 mi12:42:322:25:476:577:16
7:16
#6820
35K
21.75 mi12:47:302:30:456:564:58
6:39
#6704
23M
23.00 mi12:56:022:39:176:568:32
6:50
#6507
24M
24.00 mi13:02:412:45:566:556:39
6:39
#6375
40K
24.85 mi13:08:302:51:456:555:49
6:49
#6271
25.2M
25.20 mi13:11:012:54:166:552:31
7:18
#6222
FINISH
26.22 mi13:17:493:01:046:556:48
6:41
#6140
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8155700270027490(Top 26%)6510(Top 40%)6510(Top 349%)
10K6.21 mi3.10 mi7412+7436490+5126490+5126540(Top 23%)5864(Top 36%)5864(Top 314%)
15K9.32 mi3.11 mi7442-306507-176507-177490(Top 26%)6510(Top 40%)6510(Top 349%)
20K12.43 mi3.11 mi7444-26494+136494+137516(Top 26%)6506(Top 40%)6506(Top 348%)
HALF13.11 mi0.68 mi7464-206509-156509-157816(Top 27%)6704(Top 41%)6704(Top 359%)
25K15.53 mi2.42 mi7356+1086426+836426+837008(Top 24%)6119(Top 37%)6119(Top 328%)
30K18.64 mi3.11 mi7103+2536235+1916235+1916243(Top 22%)5480(Top 34%)5480(Top 293%)
20M20.00 mi1.36 mi6968+1356124+1116124+1115766(Top 20%)5076(Top 31%)5076(Top 272%)
21M21.00 mi1.00 mi6820+1486004+1206004+1205071(Top 17%)4455(Top 27%)4455(Top 238%)
35K21.75 mi0.75 mi6704+1165914+905914+904541(Top 16%)4072(Top 25%)4072(Top 218%)
23M23.00 mi1.25 mi6507+1975758+1565758+1564238(Top 15%)3796(Top 23%)3796(Top 203%)
24M24.00 mi1.00 mi6375+1325652+1065652+1064108(Top 14%)3658(Top 22%)3658(Top 196%)
40K24.85 mi0.85 mi6271+1045564+885564+884259(Top 15%)3729(Top 23%)3729(Top 200%)
25.2M25.20 mi0.35 mi6222+495520+445520+444129(Top 14%)3586(Top 22%)3586(Top 192%)
FINISH26.22 mi1.02 mi6140+825456+645456+645258(Top 18%)4366(Top 27%)4366(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7490

Males

6510

M50-54

6510

5K→10K

3.1 - 6.2 mi

Top 23%
×5
+79ft-138ft

Overall

6540

Males

5864

M50-54

5864

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7490

Males

6510

M50-54

6510

15K→20K

9.3 - 12.4 mi

Top 26%
×5
+106ft-86ft

Overall

7516

Males

6506

M50-54

6506

20K→HALF

12.4 - 13.1 mi

Top 27%
×2
+19ft-37ft

Overall

7816

Males

6704

M50-54

6704

HALF→25K

13.1 - 15.5 mi

Top 24%
×4
+66ft-88ft

Overall

7008

Males

6119

M50-54

6119

25K→30K

15.5 - 18.6 mi

Top 22%
×9
+181ft-148ft

Overall

6243

Males

5480

M50-54

5480

30K→20M

18.6 - 20.0 mi

Top 20%
×5
+64ft-50ft

Overall

5766

Males

5076

M50-54

5076

20M→21M

20.0 - 21.0 mi

Top 17%
×8
+106ft-24ft

Overall

5071

Males

4455

M50-54

4455

21M→35K

21.0 - 21.8 mi

Top 16%
×7
+17ft-86ft

Overall

4541

Males

4072

M50-54

4072

35K→23M

21.8 - 23.0 mi

Top 15%
×5
+23ft-63ft

Overall

4238

Males

3796

M50-54

3796

23M→24M

23.0 - 24.0 mi

Top 14%
×6
+12ft-82ft

Overall

4108

Males

3658

M50-54

3658

24M→40K

24.0 - 24.9 mi

Top 15%
×1
+6ft-20ft

Overall

4259

Males

3729

M50-54

3729

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1
+13ft-16ft

Overall

4129

Males

3586

M50-54

3586

25.2M→FINISH

25.2 - 26.2 mi

Top 18%
×2
+22ft-21ft

Overall

5258

Males

4366

M50-54

4366

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2544
Passed By
529
Net Change
+2015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8155
5K → 10K76623+743#8155#7412
10K → 15K128158-30#7412#7442
15K → 20K141143-2#7442#7444
20K → HALF2848-20#7444#7464
HALF → 25K16658+108#7464#7356
25K → 30K28734+253#7356#7103
30K → 20M14611+135#7103#6968
20M → 21M16214+148#6968#6820
21M → 35K1193+116#6820#6704
35K → 23M2036+197#6704#6507
23M → 24M1397+132#6507#6375
24M → 40K1084+104#6375#6271
40K → 25.2M512+49#6271#6222
25.2M → FINISH10018+82#6222#6140
TOTALS2544529+2015

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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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing