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BOSTON MARATHON 2024

Zachary Cordelli

Bib: 24239•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:05
Rank: #18893
Start → 5K
27:05 | 8:43/mi
10K· 6.21 mi
54:14
Rank: #18739 (+154)
5K → 10K
27:09 | 8:44/mi
15K· 9.32 mi
1:21:19
Rank: #18294 (+445)
10K → 15K
27:05 | 8:43/mi
20K· 12.43 mi
1:49:06
Rank: #17919 (+375)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:54:59
Rank: #17831 (+88)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:17:27
Rank: #17586 (+245)
Half → 25K
22:28 | 9:16/mi
30K· 18.64 mi
2:46:39
Rank: #17080 (+506)
25K → 30K
29:12 | 9:24/mi
20M
2:59:36
Rank: #16906 (+174)
30K → 20M
12:57 | 9:32/mi
21M
3:09:42
Rank: #16700 (+206)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:17:33
Rank: #16787 (-87)
21M → 35K
7:51 | 10:30/mi
23M
3:29:39
Rank: #16643 (+144)
35K → 23M
12:06 | 9:40/mi
24M
3:39:00
Rank: #16495 (+148)
23M → 24M
9:21 | 9:21/mi
40K· 24.85 mi
3:47:35
Rank: #16414 (+81)
24M → 40K
8:35 | 10:02/mi
25.2M
3:51:31
Rank: #16419 (-5)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
3:59:50
Rank: #16202 (+217)
25.2M → Finish
8:19 | 8:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:59
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:04:51
Pace9:31 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:2027:058:4327:05
8:43
-
10K
6.21 mi12:09:2954:148:4427:09
8:44
+0:01
15K
9.32 mi12:36:341:21:198:4327:05
8:43
-0:01
20K
12.43 mi13:04:211:49:068:4727:47
8:57
+0:14
Half
13.11 mi13:10:141:54:598:465:53
8:37
-0:20
25K
15.53 mi13:32:422:17:278:5122:28
9:16
+0:39
30K
18.64 mi14:01:542:46:398:5629:12
9:24
+0:08
20M
20.00 mi14:14:512:59:368:5912:57
9:32
+0:08
21M
21.00 mi14:24:573:09:429:0210:06
10:06
+0:34
35K
21.75 mi14:32:483:17:339:057:51
10:30
+0:24
23M
23.00 mi14:44:543:29:399:0712:06
9:40
-0:50
24M
24.00 mi14:54:153:39:009:089:21
9:21
-0:19
40K
24.85 mi15:02:503:47:359:098:35
10:02
+0:41
25.2M
25.20 mi15:06:463:51:319:113:56
11:24
+1:22
Finish
26.22 mi15:15:053:59:509:098:19
8:10
-3:14

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

8:10 /mi

Average Pace

9:09 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:31

40% of race

Time at Steady Pace

1:53:51

47% of race

Time at Slower Pace

30:28

13% of race

Average Pace: 9:09 /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 mi11:42:2027:058:4327:05
8:43
#18893
10K
6.21 mi12:09:2954:148:4427:09
8:44
#18739
15K
9.32 mi12:36:341:21:198:4327:05
8:43
#18294
20K
12.43 mi13:04:211:49:068:4727:47
8:57
#17919
Half
13.11 mi13:10:141:54:598:465:53
8:37
#17831
25K
15.53 mi13:32:422:17:278:5122:28
9:16
#17586
30K
18.64 mi14:01:542:46:398:5629:12
9:24
#17080
20M
20.00 mi14:14:512:59:368:5912:57
9:32
#16906
21M
21.00 mi14:24:573:09:429:0210:06
10:06
#16700
35K
21.75 mi14:32:483:17:339:057:51
10:30
#16787
23M
23.00 mi14:44:543:29:399:0712:06
9:40
#16643
24M
24.00 mi14:54:153:39:009:089:21
9:21
#16495
40K
24.85 mi15:02:503:47:359:098:35
10:02
#16414
25.2M
25.20 mi15:06:463:51:319:113:56
11:24
#16419
Finish
26.22 mi15:15:053:59:509:098:19
8:10
#16202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18893115691156917566(Top 69%)11061(Top 76%)11061(Top 228%)
10K6.21 mi3.10 mi18739+15411516+5311516+5318552(Top 73%)11458(Top 79%)11458(Top 236%)
15K9.32 mi3.11 mi18294+44511345+17111345+17117566(Top 69%)11061(Top 76%)11061(Top 228%)
20K12.43 mi3.11 mi17919+37511181+16411181+16417087(Top 67%)10838(Top 74%)10838(Top 224%)
Half13.11 mi0.68 mi17831+8811142+3911142+3916361(Top 64%)10474(Top 72%)10474(Top 216%)
25K15.53 mi2.42 mi17586+24511005+13711005+13716670(Top 65%)10552(Top 72%)10552(Top 218%)
30K18.64 mi3.11 mi17080+50610741+26410741+26415041(Top 59%)9575(Top 66%)9575(Top 197%)
20M20.00 mi1.36 mi16906+17410627+11410627+11414651(Top 57%)9148(Top 63%)9148(Top 189%)
21M21.00 mi1.00 mi16700+20610508+11910508+11913370(Top 52%)8370(Top 57%)8370(Top 173%)
35K21.75 mi0.75 mi16787-8710528-2010528-2018538(Top 73%)10887(Top 75%)10887(Top 225%)
23M23.00 mi1.25 mi16643+14410442+8610442+8614196(Top 56%)8650(Top 59%)8650(Top 178%)
24M24.00 mi1.00 mi16495+14810342+10010342+10013757(Top 54%)8419(Top 58%)8419(Top 174%)
40K24.85 mi0.85 mi16414+8110274+6810274+6815123(Top 59%)9024(Top 62%)9024(Top 186%)
25.2M25.20 mi0.35 mi16419-510264+1010264+1015765(Top 62%)9317(Top 64%)9317(Top 192%)
Finish26.22 mi1.02 mi16202+21710144+12010144+1209558(Top 37%)6241(Top 43%)6241(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

17566

Males

11061

M18-39

11061

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

18552

Males

11458

M18-39

11458

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

17566

Males

11061

M18-39

11061

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

17087

Males

10838

M18-39

10838

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

16361

Males

10474

M18-39

10474

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

16670

Males

10552

M18-39

10552

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

15041

Males

9575

M18-39

9575

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

14651

Males

9148

M18-39

9148

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13370

Males

8370

M18-39

8370

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

18538

Males

10887

M18-39

10887

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14196

Males

8650

M18-39

8650

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

13757

Males

8419

M18-39

8419

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15123

Males

9024

M18-39

9024

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15765

Males

9317

M18-39

9317

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9558

Males

6241

M18-39

6241

Passing Analysis

Category:
Athletes Passed
3480
Passed By
789
Net Change
+2691
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18893
5K → 10K366212+154#18893#18739
10K → 15K48136+445#18739#18294
15K → 20K44368+375#18294#17919
20K → Half9911+88#17919#17831
Half → 25K33590+245#17831#17586
25K → 30K54842+506#17586#17080
30K → 20M21642+174#17080#16906
20M → 21M22519+206#16906#16700
21M → 35K45132-87#16700#16787
35K → 23M18137+144#16787#16643
23M → 24M16113+148#16643#16495
24M → 40K12544+81#16495#16414
40K → 25.2M3641-5#16414#16419
25.2M → Finish2192+217#16419#16202
TOTALS3480789+2691
📊

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