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BOSTON MARATHON 2024

Christopher Chang

Bib: 1106•M

CA

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 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:23
Rank: #716
Start → 5K
18:23 | 5:55/mi
10K· 6.21 mi
36:44
Rank: #676 (+40)
5K → 10K
18:21 | 5:54/mi
15K· 9.32 mi
55:04
Rank: #631 (+45)
10K → 15K
18:20 | 5:54/mi
20K· 12.43 mi
1:13:27
Rank: #565 (+66)
15K → 20K
18:23 | 5:55/mi
Half· 13.11 mi
1:17:30
Rank: #565
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:31:55
Rank: #509 (+56)
Half → 25K
14:25 | 5:57/mi
30K· 18.64 mi
1:50:46
Rank: #446 (+63)
25K → 30K
18:51 | 6:04/mi
20M
1:59:08
Rank: #422 (+24)
30K → 20M
8:22 | 6:09/mi
21M
2:05:45
Rank: #404 (+18)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:10:21
Rank: #399 (+5)
21M → 35K
4:36 | 6:09/mi
23M
2:18:20
Rank: #383 (+16)
35K → 23M
7:59 | 6:23/mi
24M
2:24:35
Rank: #376 (+7)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:30:04
Rank: #380 (-4)
24M → 40K
5:29 | 6:25/mi
25.2M
2:32:29
Rank: #381 (-1)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:38:45
Rank: #375 (+6)
25.2M → Finish
6:16 | 6:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:30
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:21:15
Pace6:12 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5418:235:5518:23
5:55
-
10K
6.21 mi10:37:1536:445:5518:21
5:54
-0:01
15K
9.32 mi10:55:3555:045:5418:20
5:54
0:00
20K
12.43 mi11:13:581:13:275:5518:23
5:55
+0:01
Half
13.11 mi11:18:011:17:305:554:03
5:56
+0:01
25K
15.53 mi11:32:261:31:555:5514:25
5:57
+0:01
30K
18.64 mi11:51:171:50:465:5718:51
6:04
+0:07
20M
20.00 mi11:59:391:59:085:578:22
6:09
+0:05
21M
21.00 mi12:06:162:05:455:596:37
6:37
+0:28
35K
21.75 mi12:10:522:10:216:004:36
6:09
-0:28
23M
23.00 mi12:18:512:18:206:017:59
6:23
+0:14
24M
24.00 mi12:25:062:24:356:016:15
6:15
-0:08
40K
24.85 mi12:30:352:30:046:025:29
6:25
+0:10
25.2M
25.20 mi12:33:002:32:296:032:25
7:00
+0:35
Finish
26.22 mi12:39:162:38:456:046:16
6:09
-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

5:54 /mi

Average Pace

6:04 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:43

94% of race

Time at Steady Pace

6:37

4% of race

Time at Slower Pace

2:25

2% of race

Average Pace: 6:03 /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 mi10:18:5418:235:5518:23
5:55
#716
10K
6.21 mi10:37:1536:445:5518:21
5:54
#676
15K
9.32 mi10:55:3555:045:5418:20
5:54
#631
20K
12.43 mi11:13:581:13:275:5518:23
5:55
#565
Half
13.11 mi11:18:011:17:305:554:03
5:56
#565
25K
15.53 mi11:32:261:31:555:5514:25
5:57
#509
30K
18.64 mi11:51:171:50:465:5718:51
6:04
#446
20M
20.00 mi11:59:391:59:085:578:22
6:09
#422
21M
21.00 mi12:06:162:05:455:596:37
6:37
#404
35K
21.75 mi12:10:522:10:216:004:36
6:09
#399
23M
23.00 mi12:18:512:18:206:017:59
6:23
#383
24M
24.00 mi12:25:062:24:356:016:15
6:15
#376
40K
24.85 mi12:30:352:30:046:025:29
6:25
#380
25.2M
25.20 mi12:33:002:32:296:032:25
7:00
#381
Finish
26.22 mi12:39:162:38:456:046:16
6:09
#375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi716686686536(Top 2%)514(Top 4%)514(Top 11%)
10K6.21 mi3.10 mi676+40649+37649+37647(Top 3%)622(Top 4%)622(Top 13%)
15K9.32 mi3.11 mi631+45608+41608+41536(Top 2%)514(Top 4%)514(Top 11%)
20K12.43 mi3.11 mi565+66543+65543+65431(Top 2%)409(Top 3%)409(Top 8%)
Half13.11 mi0.68 mi565543543603(Top 2%)578(Top 4%)578(Top 12%)
25K15.53 mi2.42 mi509+56487+56487+56378(Top 1%)356(Top 2%)356(Top 7%)
30K18.64 mi3.11 mi446+63423+64423+64307(Top 1%)284(Top 2%)284(Top 6%)
20M20.00 mi1.36 mi422+24399+24399+24345(Top 1%)318(Top 2%)318(Top 7%)
21M21.00 mi1.00 mi404+18381+18381+18465(Top 2%)437(Top 3%)437(Top 9%)
35K21.75 mi0.75 mi399+5376+5376+5531(Top 2%)498(Top 3%)498(Top 10%)
23M23.00 mi1.25 mi383+16360+16360+16495(Top 2%)463(Top 3%)463(Top 10%)
24M24.00 mi1.00 mi376+7353+7353+7526(Top 2%)492(Top 3%)492(Top 10%)
40K24.85 mi0.85 mi380-4354-1354-1592(Top 2%)552(Top 4%)552(Top 11%)
25.2M25.20 mi0.35 mi381-1355-1355-1569(Top 2%)521(Top 4%)521(Top 11%)
Finish26.22 mi1.02 mi375+6349+6349+6622(Top 2%)581(Top 4%)581(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

536

Males

514

M18-39

514

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

647

Males

622

M18-39

622

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

536

Males

514

M18-39

514

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

431

Males

409

M18-39

409

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

603

Males

578

M18-39

578

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

378

Males

356

M18-39

356

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

307

Males

284

M18-39

284

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

345

Males

318

M18-39

318

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

465

Males

437

M18-39

437

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

531

Males

498

M18-39

498

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

495

Males

463

M18-39

463

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

526

Males

492

M18-39

492

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

592

Males

552

M18-39

552

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

569

Males

521

M18-39

521

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

622

Males

581

M18-39

581

Passing Analysis

Category:
Athletes Passed
425
Passed By
84
Net Change
+341
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#716
5K → 10K5616+40#716#676
10K → 15K494+45#676#631
15K → 20K693+66#631#565
20K → Half550#565#565
Half → 25K604+56#565#509
25K → 30K696+63#509#446
30K → 20M262+24#446#422
20M → 21M224+18#422#404
21M → 35K105+5#404#399
35K → 23M215+16#399#383
23M → 24M125+7#383#376
24M → 40K913-4#376#380
40K → 25.2M56-1#380#381
25.2M → Finish126+6#381#375
TOTALS42584+341
📊

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