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BOSTON MARATHON 2024

James Zahradka

Bib: 13734•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 24%
Gender (Male)
#0 / 14578
Top 35%
Masters (Masters Men)
#0 / 9729
Top 24%
Division (M50-54)
#0 / 1935
Top 20%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:50
Rank: #7206
Start → 5K
21:50 | 7:02/mi
10K· 6.21 mi
43:15
Rank: #6570 (+636)
5K → 10K
21:25 | 6:54/mi
15K· 9.32 mi
1:04:45
Rank: #6244 (+326)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:17
Rank: #5805 (+439)
15K → 20K
21:32 | 6:56/mi
Half· 13.11 mi
1:31:03
Rank: #5798 (+7)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:47:59
Rank: #5410 (+388)
Half → 25K
16:56 | 6:59/mi
30K· 18.64 mi
2:11:01
Rank: #5169 (+241)
25K → 30K
23:02 | 7:25/mi
20M
2:22:06
Rank: #5277 (-108)
30K → 20M
11:05 | 8:09/mi
21M
2:30:59
Rank: #5344 (-67)
20M → 21M
8:53 | 8:53/mi
35K· 21.75 mi
2:37:36
Rank: #5519 (-175)
21M → 35K
6:37 | 8:51/mi
23M
2:49:02
Rank: #5803 (-284)
35K → 23M
11:26 | 9:08/mi
24M
2:57:56
Rank: #5973 (-170)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:05:32
Rank: #6080 (-107)
24M → 40K
7:36 | 8:53/mi
25.2M
3:08:46
Rank: #6075 (+5)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:16:56
Rank: #6126 (-51)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:03
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
📊Positive Split: 16.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0221:507:0221:50
7:02
-
10K
6.21 mi11:13:2743:156:5821:25
6:54
-0:08
15K
9.32 mi11:34:571:04:456:5721:30
6:55
+0:01
20K
12.43 mi11:56:291:26:176:5721:32
6:56
+0:01
Half
13.11 mi12:01:151:31:036:574:46
6:59
+0:03
25K
15.53 mi12:18:111:47:596:5716:56
6:59
0:00
30K
18.64 mi12:41:132:11:017:0223:02
7:25
+0:26
20M
20.00 mi12:52:182:22:067:0611:05
8:09
+0:44
21M
21.00 mi13:01:112:30:597:118:53
8:53
+0:44
35K
21.75 mi13:07:482:37:367:156:37
8:51
-0:02
23M
23.00 mi13:19:142:49:027:2111:26
9:08
+0:17
24M
24.00 mi13:28:082:57:567:258:54
8:54
-0:14
40K
24.85 mi13:35:443:05:327:287:36
8:53
-0:01
25.2M
25.20 mi13:38:583:08:467:293:14
9:23
+0:30
Finish
26.22 mi13:47:083:16:567:318:10
8:01
-1:22

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

6:54 /mi

Average Pace

7:31 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:01

67% of race

Time at Steady Pace

19:15

10% of race

Time at Slower Pace

46:40

24% of race

Average Pace: 7:31 /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 mi10:52:0221:507:0221:50
7:02
#7206
10K
6.21 mi11:13:2743:156:5821:25
6:54
#6570
15K
9.32 mi11:34:571:04:456:5721:30
6:55
#6244
20K
12.43 mi11:56:291:26:176:5721:32
6:56
#5805
Half
13.11 mi12:01:151:31:036:574:46
6:59
#5798
25K
15.53 mi12:18:111:47:596:5716:56
6:59
#5410
30K
18.64 mi12:41:132:11:017:0223:02
7:25
#5169
20M
20.00 mi12:52:182:22:067:0611:05
8:09
#5277
21M
21.00 mi13:01:112:30:597:118:53
8:53
#5344
35K
21.75 mi13:07:482:37:367:156:37
8:51
#5519
23M
23.00 mi13:19:142:49:027:2111:26
9:08
#5803
24M
24.00 mi13:28:082:57:567:258:54
8:54
#5973
40K
24.85 mi13:35:443:05:327:287:36
8:53
#6080
25.2M
25.20 mi13:38:583:08:467:293:14
9:23
#6075
Finish
26.22 mi13:47:083:16:567:318:10
8:01
#6126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7206630163015710(Top 22%)5171(Top 35%)5171(Top 267%)
10K6.21 mi3.10 mi6570+6365844+4575844+4575947(Top 23%)5370(Top 37%)5370(Top 278%)
15K9.32 mi3.11 mi6244+3265604+2405604+2405710(Top 22%)5171(Top 35%)5171(Top 267%)
20K12.43 mi3.11 mi5805+4395250+3545250+3544839(Top 19%)4438(Top 30%)4438(Top 229%)
Half13.11 mi0.68 mi5798+75240+105240+105670(Top 22%)5091(Top 35%)5091(Top 263%)
25K15.53 mi2.42 mi5410+3884924+3164924+3164279(Top 17%)3932(Top 27%)3932(Top 203%)
30K18.64 mi3.11 mi5169+2414694+2304694+2304696(Top 18%)4135(Top 28%)4135(Top 214%)
20M20.00 mi1.36 mi5277-1084744-504744-507581(Top 30%)5760(Top 40%)5760(Top 298%)
21M21.00 mi1.00 mi5344-674768-244768-247971(Top 31%)5785(Top 40%)5785(Top 299%)
35K21.75 mi0.75 mi5519-1754866-984866-9812515(Top 49%)7927(Top 54%)7927(Top 410%)
23M23.00 mi1.25 mi5803-2845037-1715037-17111808(Top 46%)7468(Top 51%)7468(Top 386%)
24M24.00 mi1.00 mi5973-1705120-835120-8311606(Top 45%)7355(Top 50%)7355(Top 380%)
40K24.85 mi0.85 mi6080-1075160-405160-4010290(Top 40%)6549(Top 45%)6549(Top 338%)
25.2M25.20 mi0.35 mi6075+55133+275133+278170(Top 32%)5399(Top 37%)5399(Top 279%)
Finish26.22 mi1.02 mi6126-515132+15132+18571(Top 34%)5692(Top 39%)5692(Top 294%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

5710

Males

5171

M50-54

5171

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5947

Males

5370

M50-54

5370

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

5710

Males

5171

M50-54

5171

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4839

Males

4438

M50-54

4438

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5670

Males

5091

M50-54

5091

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4279

Males

3932

M50-54

3932

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4696

Males

4135

M50-54

4135

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7581

Males

5760

M50-54

5760

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

7971

Males

5785

M50-54

5785

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12515

Males

7927

M50-54

7927

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

11808

Males

7468

M50-54

7468

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11606

Males

7355

M50-54

7355

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10290

Males

6549

M50-54

6549

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8170

Males

5399

M50-54

5399

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

8571

Males

5692

M50-54

5692

Passing Analysis

Category:
Athletes Passed
2575
Passed By
1495
Net Change
+1080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7206
5K → 10K64711+636#7206#6570
10K → 15K35125+326#6570#6244
15K → 20K45415+439#6244#5805
20K → Half2518+7#5805#5798
Half → 25K3946+388#5798#5410
25K → 30K31372+241#5410#5169
30K → 20M61169-108#5169#5277
20M → 21M66133-67#5277#5344
21M → 35K31206-175#5344#5519
35K → 23M47331-284#5519#5803
23M → 24M36206-170#5803#5973
24M → 40K49156-107#5973#6080
40K → 25.2M4540+5#6080#6075
25.2M → Finish56107-51#6075#6126
TOTALS25751495+1080
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing