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BOSTON MARATHON 2024

Jaroslaw Zajac

Bib: 22351•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:28
Rank: #20676
Start → 5K
9:10/mi
28:28 split
10K· 6.21 mi
57:29
Rank: #20823 (-147)
5K → 10K
9:20/mi
29:01 split
15K· 9.32 mi
1:27:48
Rank: #20972 (-149)
10K → 15K
9:45/mi
30:19 split
20K· 12.43 mi
1:58:25
Rank: #20770 (+202)
15K → 20K
9:51/mi
30:37 split
Half· 13.11 mi
2:04:47
Rank: #20706 (+64)
20K → Half
9:20/mi
6:22 split
25K· 15.53 mi
2:28:57
Rank: #20386 (+320)
Half → 25K
9:58/mi
24:10 split
30K· 18.64 mi
3:00:04
Rank: #19851 (+535)
25K → 30K
10:01/mi
31:07 split
20M
3:13:46
Rank: #19618 (+233)
30K → 20M
10:05/mi
13:42 split
21M
3:24:52
Rank: #19415 (+203)
20M → 21M
11:06/mi
11:06 split
35K· 21.75 mi
3:32:10
Rank: #19295 (+120)
21M → 35K
9:45/mi
7:18 split
23M
3:44:45
Rank: #19043 (+252)
35K → 23M
10:03/mi
12:35 split
24M
3:54:25
Rank: #18860 (+183)
23M → 24M
9:40/mi
9:40 split
40K· 24.85 mi
4:03:01
Rank: #18710 (+150)
24M → 40K
10:04/mi
8:36 split
25.2M
4:06:47
Rank: #18638 (+72)
40K → 25.2M
10:55/mi
3:46 split
Finish· 26.22 mi
4:16:02
Rank: #18488 (+150)
25.2M → Finish
9:05/mi
9:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:47
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:11:15
Pace10:01 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5728:289:1028:28
9:10
-
10K
6.21 mi11:55:5857:299:1529:01
9:20
+0:10
15K
9.32 mi12:26:171:27:489:2530:19
9:45
+0:25
20K
12.43 mi12:56:541:58:259:3230:37
9:51
+0:06
Half
13.11 mi13:03:162:04:479:316:22
9:20
-0:31
25K
15.53 mi13:27:262:28:579:3524:10
9:58
+0:38
30K
18.64 mi13:58:333:00:049:4031:07
10:01
+0:03
20M
20.00 mi14:12:153:13:469:4113:42
10:05
+0:04
21M
21.00 mi14:23:213:24:529:4511:06
11:06
+1:01
35K
21.75 mi14:30:393:32:109:457:18
9:45
-1:21
23M
23.00 mi14:43:143:44:459:4612:35
10:03
+0:18
24M
24.00 mi14:52:543:54:259:469:40
9:40
-0:23
40K
24.85 mi15:01:304:03:019:478:36
10:04
+0:24
25.2M
25.20 mi15:05:164:06:479:483:46
10:55
+0:51
Finish
26.22 mi15:14:314:16:029:469:15
9:05
-1:50

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

9:05 /mi

Average Pace

9:46 /mi

Slowest Pace

11:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:06

29% of race

Time at Steady Pace

2:48:04

66% of race

Time at Slower Pace

14:52

6% of race

Average Pace: 9:46 /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 mi11:26:5728:289:1028:28
9:10
#20676
10K
6.21 mi11:55:5857:299:1529:01
9:20
#20823
15K
9.32 mi12:26:171:27:489:2530:19
9:45
#20972
20K
12.43 mi12:56:541:58:259:3230:37
9:51
#20770
Half
13.11 mi13:03:162:04:479:316:22
9:20
#20706
25K
15.53 mi13:27:262:28:579:3524:10
9:58
#20386
30K
18.64 mi13:58:333:00:049:4031:07
10:01
#19851
20M
20.00 mi14:12:153:13:469:4113:42
10:05
#19618
21M
21.00 mi14:23:213:24:529:4511:06
11:06
#19415
35K
21.75 mi14:30:393:32:109:457:18
9:45
#19295
23M
23.00 mi14:43:143:44:459:4612:35
10:03
#19043
24M
24.00 mi14:52:543:54:259:469:40
9:40
#18860
40K
24.85 mi15:01:304:03:019:478:36
10:04
#18710
25.2M
25.20 mi15:05:164:06:479:483:46
10:55
#18638
Finish
26.22 mi15:14:314:16:029:469:15
9:05
#18488
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20676123871238721322(Top 83%)12769(Top 88%)12769(Top 2070%)
10K6.21 mi3.10 mi20823-14712485-9812485-9820895(Top 82%)12541(Top 86%)12541(Top 2033%)
15K9.32 mi3.11 mi20972-14912577-9212577-9221322(Top 83%)12769(Top 88%)12769(Top 2070%)
20K12.43 mi3.11 mi20770+20212494+8312494+8320187(Top 79%)12227(Top 84%)12227(Top 1982%)
Half13.11 mi0.68 mi20706+6412460+3412460+3419484(Top 76%)11844(Top 81%)11844(Top 1920%)
25K15.53 mi2.42 mi20386+32012296+16412296+16419023(Top 74%)11601(Top 80%)11601(Top 1880%)
30K18.64 mi3.11 mi19851+53511997+29911997+29917401(Top 68%)10635(Top 73%)10635(Top 1724%)
20M20.00 mi1.36 mi19618+23311849+14811849+14816748(Top 66%)10134(Top 70%)10134(Top 1642%)
21M21.00 mi1.00 mi19415+20311729+12011729+12016602(Top 65%)9921(Top 68%)9921(Top 1608%)
35K21.75 mi0.75 mi19295+12011658+7111658+7116395(Top 64%)9806(Top 67%)9806(Top 1589%)
23M23.00 mi1.25 mi19043+25211516+14211516+14215648(Top 61%)9383(Top 64%)9383(Top 1521%)
24M24.00 mi1.00 mi18860+18311414+10211414+10215151(Top 59%)9096(Top 62%)9096(Top 1474%)
40K24.85 mi0.85 mi18710+15011319+9511319+9515222(Top 60%)9077(Top 62%)9077(Top 1471%)
25.2M25.20 mi0.35 mi18638+7211275+4411275+4414228(Top 56%)8540(Top 59%)8540(Top 1384%)
Finish26.22 mi1.02 mi18488+15011182+9311182+9314586(Top 57%)8793(Top 60%)8793(Top 1425%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

21322

Males

12769

M65-69

12769

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

20895

Males

12541

M65-69

12541

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

21322

Males

12769

M65-69

12769

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20187

Males

12227

M65-69

12227

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19484

Males

11844

M65-69

11844

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19023

Males

11601

M65-69

11601

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17401

Males

10635

M65-69

10635

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16748

Males

10134

M65-69

10134

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16602

Males

9921

M65-69

9921

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16395

Males

9806

M65-69

9806

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

15648

Males

9383

M65-69

9383

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15151

Males

9096

M65-69

9096

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15222

Males

9077

M65-69

9077

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14228

Males

8540

M65-69

8540

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

14586

Males

8793

M65-69

8793

Passing Analysis

Category:
Athletes Passed
2996
Passed By
808
Net Change
+2188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20676
5K → 10K188335-147#20676#20823
10K → 15K152301-149#20823#20972
15K → 20K29189+202#20972#20770
20K → Half739+64#20770#20706
Half → 25K34323+320#20706#20386
25K → 30K54813+535#20386#19851
30K → 20M2385+233#19851#19618
20M → 21M21411+203#19618#19415
21M → 35K1255+120#19415#19295
35K → 23M2553+252#19295#19043
23M → 24M1863+183#19043#18860
24M → 40K1544+150#18860#18710
40K → 25.2M742+72#18710#18638
25.2M → Finish1555+150#18638#18488
TOTALS2996808+2188
📊

Passing Visuals

Category:
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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