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BOSTON MARATHON 2024

Sam Stalcup

Bib: 4921•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Masters (Masters Men)
#0 / 9729
Top 4%
Division (M45-49)
#0 / 2218
Top 6%
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
6:48/mi
21:08
↑ 97↓ 3451.5%
10K· 6.21 mi
6:48/mi
42:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:42/mi
1:03:04
↑ 67↓ 78
20K· 12.43 mi
6:41/mi
1:23:49
↑ 106↓ 860.1%
Half· 13.11 mi
6:28/mi
1:28:14
↑ 19↓ 370.5%
25K· 15.53 mi
6:40/mi
1:44:25
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:05:30
↑ 181↓ 1480.2%
20M
6:46/mi
2:14:42
↑ 64↓ 500.2%
21M
7:04/mi
2:21:46
↑ 106↓ 241.6%
35K· 21.75 mi
6:08/mi
2:26:21
↑ 17↓ 861.7%
23M
6:27/mi
2:34:25
↑ 23↓ 630.6%
24M
6:18/mi
2:40:43
↓ 821.3%
40K· 24.85 mi
6:39/mi
2:46:24
↓ 200.3%
25.2M
7:09/mi
2:48:52
↑ 13↓ 160.2%
Finish· 26.22 mi
6:12/mi
2:55:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:28:14
Pace6:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:26:57
Pace6:38 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:4621:086:4821:08
6:48
-
10K
6.21 mi10:47:5342:156:4821:07
6:48
0:00
15K
9.32 mi11:08:421:03:046:4620:49
6:42
-0:06
20K
12.43 mi11:29:271:23:496:4520:45
6:41
-0:01
Half
13.11 mi11:33:521:28:146:444:25
6:28
-0:13
25K
15.53 mi11:50:031:44:256:4316:11
6:40
+0:12
30K
18.64 mi12:11:082:05:306:4421:05
6:47
+0:07
20M
20.00 mi12:20:202:14:426:449:12
6:46
-0:01
21M
21.00 mi12:27:242:21:466:457:04
7:04
+0:18
35K
21.75 mi12:31:592:26:216:444:35
6:08
-0:56
23M
23.00 mi12:40:032:34:256:438:04
6:27
+0:19
24M
24.00 mi12:46:212:40:436:426:18
6:18
-0:09
40K
24.85 mi12:52:022:46:246:425:41
6:39
+0:21
25.2M
25.20 mi12:54:302:48:526:422:28
7:09
+0:30
Finish
26.22 mi13:00:492:55:116:416:19
6:12
-0:57

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

6:08 /mi

Average Pace

6:41 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:07

53% of race

Time at Steady Pace

1:22:04

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:26:4621:086:4821:08
6:48
#5646
10K
6.21 mi10:47:5342:156:4821:07
6:48
#5400
15K
9.32 mi11:08:421:03:046:4620:49
6:42
#4878
20K
12.43 mi11:29:271:23:496:4520:45
6:41
#4279
Half
13.11 mi11:33:521:28:146:444:25
6:28
#4162
25K
15.53 mi11:50:031:44:256:4316:11
6:40
#3807
30K
18.64 mi12:11:082:05:306:4421:05
6:47
#3255
20M
20.00 mi12:20:202:14:426:449:12
6:46
#3041
21M
21.00 mi12:27:242:21:466:457:04
7:04
#2842
35K
21.75 mi12:31:592:26:216:444:35
6:08
#2645
23M
23.00 mi12:40:032:34:256:438:04
6:27
#2390
24M
24.00 mi12:46:212:40:436:426:18
6:18
#2202
40K
24.85 mi12:52:022:46:246:425:41
6:39
#2089
25.2M
25.20 mi12:54:302:48:526:422:28
7:09
#2038
Finish
26.22 mi13:00:492:55:116:416:19
6:12
#1924
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5646516451643913(Top 15%)3683(Top 25%)3683(Top 166%)
10K6.21 mi3.10 mi5400+2464964+2004964+2005135(Top 20%)4739(Top 33%)4739(Top 214%)
15K9.32 mi3.11 mi4878+5224524+4404524+4403913(Top 15%)3683(Top 25%)3683(Top 166%)
20K12.43 mi3.11 mi4279+5994000+5244000+5243069(Top 12%)2918(Top 20%)2918(Top 132%)
Half13.11 mi0.68 mi4162+1173909+913909+912448(Top 10%)2343(Top 16%)2343(Top 106%)
25K15.53 mi2.42 mi3807+3553588+3213588+3212482(Top 10%)2361(Top 16%)2361(Top 106%)
30K18.64 mi3.11 mi3255+5523084+5043084+5041886(Top 7%)1786(Top 12%)1786(Top 81%)
20M20.00 mi1.36 mi3041+2142880+2042880+2041516(Top 6%)1437(Top 10%)1437(Top 65%)
21M21.00 mi1.00 mi2842+1992690+1902690+1901239(Top 5%)1171(Top 8%)1171(Top 53%)
35K21.75 mi0.75 mi2645+1972506+1842506+184524(Top 2%)492(Top 3%)492(Top 22%)
23M23.00 mi1.25 mi2390+2552272+2342272+234596(Top 2%)562(Top 4%)562(Top 25%)
24M24.00 mi1.00 mi2202+1882093+1792093+179618(Top 2%)582(Top 4%)582(Top 26%)
40K24.85 mi0.85 mi2089+1131991+1021991+102991(Top 4%)921(Top 6%)921(Top 42%)
25.2M25.20 mi0.35 mi2038+511944+471944+47802(Top 3%)739(Top 5%)739(Top 33%)
Finish26.22 mi1.02 mi1924+1141832+1121832+112724(Top 3%)676(Top 5%)676(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

3913

Males

3683

M45-49

3683

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5135

Males

4739

M45-49

4739

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

3913

Males

3683

M45-49

3683

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3069

Males

2918

M45-49

2918

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2448

Males

2343

M45-49

2343

Half→25K

13.1 - 15.5 mi

Top 10%
×4story building
+66ft-88ft

Overall

2482

Males

2361

M45-49

2361

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

1886

Males

1786

M45-49

1786

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1516

Males

1437

M45-49

1437

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1239

Males

1171

M45-49

1171

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

524

Males

492

M45-49

492

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

596

Males

562

M45-49

562

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

618

Males

582

M45-49

582

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

991

Males

921

M45-49

921

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

802

Males

739

M45-49

739

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

724

Males

676

M45-49

676

Passing Analysis

Category:
Athletes Passed
3821
Passed By
99
Net Change
+3722
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5646
5K → 10K32781+246#5646#5400
10K → 15K5297+522#5400#4878
15K → 20K6001+599#4878#4279
20K → Half1170+117#4279#4162
Half → 25K3583+355#4162#3807
25K → 30K5542+552#3807#3255
30K → 20M2162+214#3255#3041
20M → 21M2001+199#3041#2842
21M → 35K1970+197#2842#2645
35K → 23M2550+255#2645#2390
23M → 24M1880+188#2390#2202
24M → 40K1130+113#2202#2089
40K → 25.2M521+51#2089#2038
25.2M → Finish1151+114#2038#1924
TOTALS382199+3722
📊

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