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BOSTON MARATHON 2024

Gerald Cahill

Bib: 25821•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
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
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
52:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:17:33
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:43:22
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:48:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:08:34
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:34:08
↑ 181↓ 1480.2%
20M
8:17/mi
2:45:24
↑ 64↓ 500.2%
21M
8:40/mi
2:54:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:00:14
↑ 17↓ 861.7%
23M
8:27/mi
3:10:49
↑ 23↓ 630.6%
24M
8:23/mi
3:19:12
↓ 821.3%
40K· 24.85 mi
8:36/mi
3:26:33
↓ 200.3%
25.2M
9:46/mi
3:29:55
↑ 13↓ 160.2%
Finish· 26.22 mi
8:02/mi
3:38:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:08
Pace8:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1426:498:3826:49
8:38
-
10K
6.21 mi12:08:2752:028:2225:13
8:07
-0:31
15K
9.32 mi12:33:581:17:338:1925:31
8:13
+0:06
20K
12.43 mi12:59:471:43:228:1925:49
8:19
+0:06
Half
13.11 mi13:05:231:48:588:195:36
8:12
-0:07
25K
15.53 mi13:24:592:08:348:1719:36
8:05
-0:07
30K
18.64 mi13:50:332:34:088:1625:34
8:14
+0:09
20M
20.00 mi14:01:492:45:248:1611:16
8:17
+0:03
21M
21.00 mi14:10:292:54:048:178:40
8:40
+0:23
35K
21.75 mi14:16:393:00:148:176:10
8:15
-0:25
23M
23.00 mi14:27:143:10:498:1810:35
8:27
+0:12
24M
24.00 mi14:35:373:19:128:188:23
8:23
-0:04
40K
24.85 mi14:42:583:26:338:197:21
8:36
+0:13
25.2M
25.20 mi14:46:203:29:558:203:22
9:46
+1:10
Finish
26.22 mi14:54:313:38:068:198:11
8:02
-1:44

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

8:02 /mi

Average Pace

8:19 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:11

4% of race

Time at Steady Pace

2:43:43

75% of race

Time at Slower Pace

46:12

21% of race

Average Pace: 8:19 /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 mi11:43:1426:498:3826:49
8:38
#18476
10K
6.21 mi12:08:2752:028:2225:13
8:07
#16764
15K
9.32 mi12:33:581:17:338:1925:31
8:13
#16036
20K
12.43 mi12:59:471:43:228:1925:49
8:19
#15367
Half
13.11 mi13:05:231:48:588:195:36
8:12
#15299
25K
15.53 mi13:24:592:08:348:1719:36
8:05
#14496
30K
18.64 mi13:50:332:34:088:1625:34
8:14
#13416
20M
20.00 mi14:01:492:45:248:1611:16
8:17
#12934
21M
21.00 mi14:10:292:54:048:178:40
8:40
#12531
35K
21.75 mi14:16:393:00:148:176:10
8:15
#12391
23M
23.00 mi14:27:143:10:498:1810:35
8:27
#12079
24M
24.00 mi14:35:373:19:128:188:23
8:23
#11904
40K
24.85 mi14:42:583:26:338:197:21
8:36
#11729
25.2M
25.20 mi14:46:203:29:558:203:22
9:46
#11683
Finish
26.22 mi14:54:313:38:068:198:11
8:02
#11513
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18476113911139114785(Top 58%)9910(Top 68%)9910(Top 204%)
10K6.21 mi3.10 mi16764+171210701+69010701+69014964(Top 59%)10011(Top 69%)10011(Top 206%)
15K9.32 mi3.11 mi16036+72810418+28310418+28314785(Top 58%)9910(Top 68%)9910(Top 204%)
20K12.43 mi3.11 mi15367+66910152+26610152+26613753(Top 54%)9440(Top 65%)9440(Top 195%)
Half13.11 mi0.68 mi15299+6810122+3010122+3013990(Top 55%)9478(Top 65%)9478(Top 195%)
25K15.53 mi2.42 mi14496+8039764+3589764+35810712(Top 42%)7868(Top 54%)7868(Top 162%)
30K18.64 mi3.11 mi13416+10809236+5289236+5289173(Top 36%)6853(Top 47%)6853(Top 141%)
20M20.00 mi1.36 mi12934+4828965+2718965+2718334(Top 33%)6169(Top 42%)6169(Top 127%)
21M21.00 mi1.00 mi12531+4038742+2238742+2236993(Top 27%)5271(Top 36%)5271(Top 109%)
35K21.75 mi0.75 mi12391+1408632+1108632+1109212(Top 36%)6375(Top 44%)6375(Top 131%)
23M23.00 mi1.25 mi12079+3128438+1948438+1948214(Top 32%)5712(Top 39%)5712(Top 118%)
24M24.00 mi1.00 mi11904+1758313+1258313+1258754(Top 34%)5908(Top 41%)5908(Top 122%)
40K24.85 mi0.85 mi11729+1758175+1388175+1388842(Top 35%)5826(Top 40%)5826(Top 120%)
25.2M25.20 mi0.35 mi11683+468139+368139+369887(Top 39%)6297(Top 43%)6297(Top 130%)
Finish26.22 mi1.02 mi11513+1708018+1218018+1218709(Top 34%)5781(Top 40%)5781(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14785

Males

9910

M18-39

9910

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

14964

Males

10011

M18-39

10011

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14785

Males

9910

M18-39

9910

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

13753

Males

9440

M18-39

9440

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

13990

Males

9478

M18-39

9478

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10712

Males

7868

M18-39

7868

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9173

Males

6853

M18-39

6853

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8334

Males

6169

M18-39

6169

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6993

Males

5271

M18-39

5271

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

9212

Males

6375

M18-39

6375

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8214

Males

5712

M18-39

5712

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

8754

Males

5908

M18-39

5908

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

8842

Males

5826

M18-39

5826

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

9887

Males

6297

M18-39

6297

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8709

Males

5781

M18-39

5781

Passing Analysis

Category:
Athletes Passed
7106
Passed By
143
Net Change
+6963
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18476
5K → 10K17208+1712#18476#16764
10K → 15K74618+728#16764#16036
15K → 20K68415+669#16036#15367
20K → Half8113+68#15367#15299
Half → 25K8085+803#15299#14496
25K → 30K10811+1080#14496#13416
30K → 20M4831+482#13416#12934
20M → 21M4052+403#12934#12531
21M → 35K15010+140#12531#12391
35K → 23M3219+312#12391#12079
23M → 24M18813+175#12079#11904
24M → 40K19116+175#11904#11729
40K → 25.2M6721+46#11729#11683
25.2M → Finish18111+170#11683#11513
TOTALS7106143+6963
📊

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