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BOSTON MARATHON 2024

Colby Karr

Bib: 1701•M

NE

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 4%
Division (M18-39)
#0 / 4849
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:30
Rank: #1951
Start → 5K
19:30 | 6:17/mi
10K· 6.21 mi
38:54
Rank: #1790 (+161)
5K → 10K
19:24 | 6:15/mi
15K· 9.32 mi
58:15
Rank: #1662 (+128)
10K → 15K
19:21 | 6:14/mi
20K· 12.43 mi
1:17:40
Rank: #1505 (+157)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:21:48
Rank: #1460 (+45)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:36:31
Rank: #1250 (+210)
Half → 25K
14:43 | 6:04/mi
30K· 18.64 mi
1:55:37
Rank: #987 (+263)
25K → 30K
19:06 | 6:09/mi
20M
2:04:05
Rank: #897 (+90)
30K → 20M
8:28 | 6:14/mi
21M
2:10:38
Rank: #854 (+43)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:15:09
Rank: #814 (+40)
21M → 35K
4:31 | 6:02/mi
23M
2:23:07
Rank: #773 (+41)
35K → 23M
7:58 | 6:22/mi
24M
2:29:20
Rank: #735 (+38)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:34:45
Rank: #693 (+42)
24M → 40K
5:25 | 6:20/mi
25.2M
2:37:09
Rank: #677 (+16)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:43:20
Rank: #657 (+20)
25.2M → Finish
6:11 | 6:04/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:48
Pace6:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:32
Pace6:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0719:306:1719:30
6:17
-
10K
6.21 mi10:39:3138:546:1619:24
6:15
-0:02
15K
9.32 mi10:58:5258:156:1519:21
6:14
-0:01
20K
12.43 mi11:18:171:17:406:1519:25
6:15
+0:01
Half
13.11 mi11:22:251:21:486:144:08
6:03
-0:12
25K
15.53 mi11:37:081:36:316:1314:43
6:04
+0:01
30K
18.64 mi11:56:141:55:376:1219:06
6:09
+0:05
20M
20.00 mi12:04:422:04:056:128:28
6:14
+0:05
21M
21.00 mi12:11:152:10:386:136:33
6:33
+0:19
35K
21.75 mi12:15:462:15:096:134:31
6:02
-0:31
23M
23.00 mi12:23:442:23:076:137:58
6:22
+0:20
24M
24.00 mi12:29:572:29:206:136:13
6:13
-0:09
40K
24.85 mi12:35:222:34:456:145:25
6:20
+0:07
25.2M
25.20 mi12:37:462:37:096:142:24
6:58
+0:38
Finish
26.22 mi12:43:572:43:206:146:11
6:04
-0:54

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

6:02 /mi

Average Pace

6:14 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:56

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:20:0719:306:1719:30
6:17
#1951
10K
6.21 mi10:39:3138:546:1619:24
6:15
#1790
15K
9.32 mi10:58:5258:156:1519:21
6:14
#1662
20K
12.43 mi11:18:171:17:406:1519:25
6:15
#1505
Half
13.11 mi11:22:251:21:486:144:08
6:03
#1460
25K
15.53 mi11:37:081:36:316:1314:43
6:04
#1250
30K
18.64 mi11:56:141:55:376:1219:06
6:09
#987
20M
20.00 mi12:04:422:04:056:128:28
6:14
#897
21M
21.00 mi12:11:152:10:386:136:33
6:33
#854
35K
21.75 mi12:15:462:15:096:134:31
6:02
#814
23M
23.00 mi12:23:442:23:076:137:58
6:22
#773
24M
24.00 mi12:29:572:29:206:136:13
6:13
#735
40K
24.85 mi12:35:222:34:456:145:25
6:20
#693
25.2M
25.20 mi12:37:462:37:096:142:24
6:58
#677
Finish
26.22 mi12:43:572:43:206:146:11
6:04
#657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1951188718871457(Top 6%)1411(Top 10%)1411(Top 29%)
10K6.21 mi3.10 mi1790+1611731+1561731+1561659(Top 6%)1607(Top 11%)1607(Top 33%)
15K9.32 mi3.11 mi1662+1281608+1231608+1231457(Top 6%)1411(Top 10%)1411(Top 29%)
20K12.43 mi3.11 mi1505+1571459+1491459+1491196(Top 5%)1155(Top 8%)1155(Top 24%)
Half13.11 mi0.68 mi1460+451414+451414+45907(Top 4%)874(Top 6%)874(Top 18%)
25K15.53 mi2.42 mi1250+2101209+2051209+205597(Top 2%)568(Top 4%)568(Top 12%)
30K18.64 mi3.11 mi987+263954+255954+255407(Top 2%)379(Top 3%)379(Top 8%)
20M20.00 mi1.36 mi897+90864+90864+90434(Top 2%)405(Top 3%)405(Top 8%)
21M21.00 mi1.00 mi854+43821+43821+43391(Top 2%)366(Top 3%)366(Top 8%)
35K21.75 mi0.75 mi814+40781+40781+40419(Top 2%)388(Top 3%)388(Top 8%)
23M23.00 mi1.25 mi773+41741+40741+40483(Top 2%)452(Top 3%)452(Top 9%)
24M24.00 mi1.00 mi735+38703+38703+38478(Top 2%)447(Top 3%)447(Top 9%)
40K24.85 mi0.85 mi693+42661+42661+42480(Top 2%)446(Top 3%)446(Top 9%)
25.2M25.20 mi0.35 mi677+16645+16645+16523(Top 2%)482(Top 3%)482(Top 10%)
Finish26.22 mi1.02 mi657+20625+20625+20512(Top 2%)477(Top 3%)477(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1457

Males

1411

M18-39

1411

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1659

Males

1607

M18-39

1607

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1457

Males

1411

M18-39

1411

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1196

Males

1155

M18-39

1155

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

907

Males

874

M18-39

874

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

597

Males

568

M18-39

568

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

407

Males

379

M18-39

379

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

434

Males

405

M18-39

405

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

391

Males

366

M18-39

366

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

419

Males

388

M18-39

388

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

483

Males

452

M18-39

452

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

478

Males

447

M18-39

447

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

480

Males

446

M18-39

446

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

523

Males

482

M18-39

482

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

512

Males

477

M18-39

477

Passing Analysis

Category:
Athletes Passed
1370
Passed By
76
Net Change
+1294
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1951
5K → 10K20443+161#1951#1790
10K → 15K13810+128#1790#1662
15K → 20K1669+157#1662#1505
20K → Half450+45#1505#1460
Half → 25K2111+210#1460#1250
25K → 30K2630+263#1250#987
30K → 20M911+90#987#897
20M → 21M430+43#897#854
21M → 35K400+40#854#814
35K → 23M432+41#814#773
23M → 24M402+38#773#735
24M → 40K431+42#735#693
40K → 25.2M160+16#693#677
25.2M → Finish277+20#677#657
TOTALS137076+1294
📊

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