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BOSTON MARATHON 2024

Dan Chamblee

Bib: 7503•M

NC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 34%
Gender (Male)
#0 / 14578
Top 46%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:12:18
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:36:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:41:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:59:48
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:26:23
↑ 181↓ 1480.2%
20M
7:36/mi
2:36:43
↑ 64↓ 500.2%
21M
7:58/mi
2:44:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:50:18
↑ 17↓ 861.7%
23M
7:40/mi
2:59:54
↑ 23↓ 630.6%
24M
7:29/mi
3:07:23
↓ 821.3%
40K· 24.85 mi
7:33/mi
3:13:50
↓ 200.3%
25.2M
8:27/mi
3:16:45
↑ 13↓ 160.2%
Finish· 26.22 mi
10:10/mi
3:27:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:20
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:45:47
Pace8:04 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:2824:187:4924:18
7:49
-
10K
6.21 mi10:55:4548:357:4924:17
7:49
0:00
15K
9.32 mi11:19:281:12:187:4523:43
7:38
-0:11
20K
12.43 mi11:43:191:36:097:4423:51
7:41
+0:03
Half
13.11 mi11:48:301:41:207:445:11
7:36
-0:05
25K
15.53 mi12:06:581:59:487:4318:28
7:37
+0:01
30K
18.64 mi12:33:332:26:237:5126:35
8:33
+0:56
20M
20.00 mi12:43:532:36:437:5010:20
7:36
-0:57
21M
21.00 mi12:51:512:44:417:517:58
7:58
+0:22
35K
21.75 mi12:57:282:50:187:505:37
7:30
-0:28
23M
23.00 mi13:07:042:59:547:499:36
7:40
+0:10
24M
24.00 mi13:14:333:07:237:487:29
7:29
-0:11
40K
24.85 mi13:21:003:13:507:486:27
7:33
+0:04
25.2M
25.20 mi13:23:553:16:457:482:55
8:27
+0:54
Finish
26.22 mi13:34:173:27:077:5410:22
10:10
+1:43

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

7:29 /mi

Average Pace

7:54 /mi

Slowest Pace

10:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:47:15

81% of race

Time at Slower Pace

39:52

19% of race

Average Pace: 7:54 /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 mi10:31:2824:187:4924:18
7:49
#13248
10K
6.21 mi10:55:4548:357:4924:17
7:49
#13007
15K
9.32 mi11:19:281:12:187:4523:43
7:38
#12188
20K
12.43 mi11:43:191:36:097:4423:51
7:41
#11436
Half
13.11 mi11:48:301:41:207:445:11
7:36
#11351
25K
15.53 mi12:06:581:59:487:4318:28
7:37
#10622
30K
18.64 mi12:33:332:26:237:5126:35
8:33
#10632
20M
20.00 mi12:43:532:36:437:5010:20
7:36
#10027
21M
21.00 mi12:51:512:44:417:517:58
7:58
#9511
35K
21.75 mi12:57:282:50:187:505:37
7:30
#9295
23M
23.00 mi13:07:042:59:547:499:36
7:40
#8843
24M
24.00 mi13:14:333:07:237:487:29
7:29
#8563
40K
24.85 mi13:21:003:13:507:486:27
7:33
#8294
25.2M
25.20 mi13:23:553:16:457:482:55
8:27
#8192
Finish
26.22 mi13:34:173:27:077:5410:22
10:10
#8728
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi132489350935010672(Top 42%)8125(Top 56%)8125(Top 168%)
10K6.21 mi3.10 mi13007+2419239+1119239+11112770(Top 50%)9102(Top 62%)9102(Top 188%)
15K9.32 mi3.11 mi12188+8198857+3828857+38210672(Top 42%)8125(Top 56%)8125(Top 168%)
20K12.43 mi3.11 mi11436+7528505+3528505+3529570(Top 37%)7437(Top 51%)7437(Top 153%)
Half13.11 mi0.68 mi11351+858456+498456+499777(Top 38%)7560(Top 52%)7560(Top 156%)
25K15.53 mi2.42 mi10622+7298062+3948062+3947733(Top 30%)6263(Top 43%)6263(Top 129%)
30K18.64 mi3.11 mi10632-107973+897973+8910917(Top 43%)7749(Top 53%)7749(Top 160%)
20M20.00 mi1.36 mi10027+6057611+3627611+3624771(Top 19%)4105(Top 28%)4105(Top 85%)
21M21.00 mi1.00 mi9511+5167300+3117300+3114048(Top 16%)3479(Top 24%)3479(Top 72%)
35K21.75 mi0.75 mi9295+2167152+1487152+1485102(Top 20%)4173(Top 29%)4173(Top 86%)
23M23.00 mi1.25 mi8843+4526865+2876865+2874255(Top 17%)3542(Top 24%)3542(Top 73%)
24M24.00 mi1.00 mi8563+2806658+2076658+2074081(Top 16%)3362(Top 23%)3362(Top 69%)
40K24.85 mi0.85 mi8294+2696463+1956463+1953681(Top 14%)3014(Top 21%)3014(Top 62%)
25.2M25.20 mi0.35 mi8192+1026377+866377+864286(Top 17%)3350(Top 23%)3350(Top 69%)
Finish26.22 mi1.02 mi8728-5366643-2666643-26618966(Top 74%)10960(Top 75%)10960(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10672

Males

8125

M18-39

8125

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12770

Males

9102

M18-39

9102

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10672

Males

8125

M18-39

8125

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9570

Males

7437

M18-39

7437

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9777

Males

7560

M18-39

7560

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7733

Males

6263

M18-39

6263

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

10917

Males

7749

M18-39

7749

30K→20M

18.6 - 20.0 mi

Top 19%
×5story building
+64ft-50ft

Overall

4771

Males

4105

M18-39

4105

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4048

Males

3479

M18-39

3479

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5102

Males

4173

M18-39

4173

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4255

Males

3542

M18-39

3542

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4081

Males

3362

M18-39

3362

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3681

Males

3014

M18-39

3014

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4286

Males

3350

M18-39

3350

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

18966

Males

10960

M18-39

10960

Passing Analysis

Category:
Athletes Passed
5593*
Passed By
1073
Net Change
+4520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13248
5K → 10K429188+241#13248#13007
10K → 15K8278+819#13007#12188
15K → 20K7575+752#12188#11436
20K → Half9712+85#11436#11351
Half → 25K7312+729#11351#10622
25K → 30K287297-10#10622#10632
30K → 20M6050+605#10632#10027
20M → 21M517*1+516#10027#9511
21M → 35K2160+216#9511#9295
35K → 23M4531+452#9295#8843
23M → 24M2833+280#8843#8563
24M → 40K2701+269#8563#8294
40K → 25.2M1042+102#8294#8192
25.2M → Finish17553-536#8192#8728
TOTALS5593*1073+4520

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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