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BOSTON MARATHON 2024

Calvin Gilzean

Bib: 522•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 1%
Gender (Male)
#0 / 14578
Top 2%
Division (M18-39)
#0 / 4849
Top 5%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:25
Rank: #244
Start → 5K
17:25 | 5:36/mi
10K· 6.21 mi
35:08
Rank: #269 (-25)
5K → 10K
17:43 | 5:42/mi
15K· 9.32 mi
53:10
Rank: #307 (-38)
10K → 15K
18:02 | 5:48/mi
20K· 12.43 mi
1:11:36
Rank: #329 (-22)
15K → 20K
18:26 | 5:56/mi
Half· 13.11 mi
1:15:33
Rank: #324 (+5)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:30:03
Rank: #327 (-3)
Half → 25K
14:30 | 5:59/mi
30K· 18.64 mi
1:49:16
Rank: #317 (+10)
25K → 30K
19:13 | 6:11/mi
20M
1:57:43
Rank: #315 (+2)
30K → 20M
8:27 | 6:13/mi
21M
2:04:14
Rank: #310 (+5)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:08:51
Rank: #311 (-1)
21M → 35K
4:37 | 6:10/mi
23M
2:16:52
Rank: #305 (+6)
35K → 23M
8:01 | 6:24/mi
24M
2:23:14
Rank: #312 (-7)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:28:37
Rank: #305 (+7)
24M → 40K
5:23 | 6:18/mi
25.2M
2:31:00
Rank: #299 (+6)
40K → 25.2M
2:23 | 6:55/mi
Finish· 26.22 mi
2:37:11
Rank: #292 (+7)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:33
Pace5:46 /mi
2nd Half
Distance13.11 mi
Time1:21:38
Pace6:14 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2817:255:3617:25
5:36
-
10K
6.21 mi10:35:1135:085:3917:43
5:42
+0:06
15K
9.32 mi10:53:1353:105:4218:02
5:48
+0:06
20K
12.43 mi11:11:391:11:365:4618:26
5:56
+0:08
Half
13.11 mi11:15:361:15:335:463:57
5:47
-0:09
25K
15.53 mi11:30:061:30:035:4814:30
5:59
+0:12
30K
18.64 mi11:49:191:49:165:5219:13
6:11
+0:12
20M
20.00 mi11:57:461:57:435:538:27
6:13
+0:02
21M
21.00 mi12:04:172:04:145:556:31
6:31
+0:18
35K
21.75 mi12:08:542:08:515:554:37
6:10
-0:21
23M
23.00 mi12:16:552:16:525:578:01
6:24
+0:14
24M
24.00 mi12:23:172:23:145:586:22
6:22
-0:02
40K
24.85 mi12:28:402:28:375:595:23
6:18
-0:04
25.2M
25.20 mi12:31:032:31:006:002:23
6:55
+0:37
Finish
26.22 mi12:37:142:37:116:006:11
6:04
-0:51

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

5:36 /mi

Average Pace

6:00 /mi

Slowest Pace

6:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:03

57% of race

Time at Steady Pace

43:51

28% of race

Time at Slower Pace

23:17

15% of race

Average Pace: 6:00 /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 mi10:17:2817:255:3617:25
5:36
#244
10K
6.21 mi10:35:1135:085:3917:43
5:42
#269
15K
9.32 mi10:53:1353:105:4218:02
5:48
#307
20K
12.43 mi11:11:391:11:365:4618:26
5:56
#329
Half
13.11 mi11:15:361:15:335:463:57
5:47
#324
25K
15.53 mi11:30:061:30:035:4814:30
5:59
#327
30K
18.64 mi11:49:191:49:165:5219:13
6:11
#317
20M
20.00 mi11:57:461:57:435:538:27
6:13
#315
21M
21.00 mi12:04:172:04:145:556:31
6:31
#310
35K
21.75 mi12:08:542:08:515:554:37
6:10
#311
23M
23.00 mi12:16:552:16:525:578:01
6:24
#305
24M
24.00 mi12:23:172:23:145:586:22
6:22
#312
40K
24.85 mi12:28:402:28:375:595:23
6:18
#305
25.2M
25.20 mi12:31:032:31:006:002:23
6:55
#299
Finish
26.22 mi12:37:142:37:116:006:11
6:04
#292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi244224224380(Top 1%)358(Top 2%)358(Top 7%)
10K6.21 mi3.10 mi269-25248-24248-24305(Top 1%)284(Top 2%)284(Top 6%)
15K9.32 mi3.11 mi307-38286-38286-38380(Top 1%)358(Top 2%)358(Top 7%)
20K12.43 mi3.11 mi329-22307-21307-21452(Top 2%)430(Top 3%)430(Top 9%)
Half13.11 mi0.68 mi324+5302+5302+5361(Top 1%)340(Top 2%)340(Top 7%)
25K15.53 mi2.42 mi327-3305-3305-3429(Top 2%)406(Top 3%)406(Top 8%)
30K18.64 mi3.11 mi317+10295+10295+10456(Top 2%)428(Top 3%)428(Top 9%)
20M20.00 mi1.36 mi315+2293+2293+2405(Top 2%)376(Top 3%)376(Top 8%)
21M21.00 mi1.00 mi310+5288+5288+5349(Top 1%)326(Top 2%)326(Top 7%)
35K21.75 mi0.75 mi311-1288288564(Top 2%)530(Top 4%)530(Top 11%)
23M23.00 mi1.25 mi305+6282+6282+6527(Top 2%)494(Top 3%)494(Top 10%)
24M24.00 mi1.00 mi312-7289-7289-7701(Top 3%)659(Top 5%)659(Top 14%)
40K24.85 mi0.85 mi305+7282+7282+7422(Top 2%)393(Top 3%)393(Top 8%)
25.2M25.20 mi0.35 mi299+6276+6276+6462(Top 2%)423(Top 3%)423(Top 9%)
Finish26.22 mi1.02 mi292+7269+7269+7502(Top 2%)467(Top 3%)467(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

380

Males

358

M18-39

358

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

305

Males

284

M18-39

284

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

380

Males

358

M18-39

358

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

452

Males

430

M18-39

430

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

361

Males

340

M18-39

340

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

429

Males

406

M18-39

406

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

456

Males

428

M18-39

428

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

405

Males

376

M18-39

376

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

349

Males

326

M18-39

326

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

564

Males

530

M18-39

530

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

527

Males

494

M18-39

494

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

701

Males

659

M18-39

659

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

422

Males

393

M18-39

393

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

462

Males

423

M18-39

423

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

502

Males

467

M18-39

467

Passing Analysis

Category:
Athletes Passed
149
Passed By
197
Net Change
-48
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#244
5K → 10K833-25#244#269
10K → 15K644-38#269#307
15K → 20K1436-22#307#329
20K → Half83+5#329#324
Half → 25K2023-3#324#327
25K → 30K2616+10#327#317
30K → 20M1412+2#317#315
20M → 21M83+5#315#310
21M → 35K56-1#310#311
35K → 23M159+6#311#305
23M → 24M310-7#305#312
24M → 40K81+7#312#305
40K → 25.2M60+6#305#299
25.2M → Finish81+7#299#292
TOTALS149197-48
📊

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