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BOSTON MARATHON 2024

Michael Alexander

Bib: 21277•M

LA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M70-74)
#0 / 195
Top 5%
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
8:03/mi
25:02
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
50:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:17:19
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:45:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:51:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:13:05
↑ 66↓ 880.2%
30K· 18.64 mi
9:11/mi
2:41:37
↑ 181↓ 1480.2%
20M
9:10/mi
2:54:05
↑ 64↓ 500.2%
21M
9:55/mi
3:04:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
3:10:33
↑ 17↓ 861.7%
23M
8:55/mi
3:21:43
↑ 23↓ 630.6%
24M
8:51/mi
3:30:34
↓ 821.3%
40K· 24.85 mi
9:00/mi
3:38:16
↓ 200.3%
25.2M
10:09/mi
3:41:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:18/mi
3:50:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:43
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:58:30
Pace9:02 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2225:028:0325:02
8:03
-
10K
6.21 mi11:47:1550:558:1225:53
8:20
+0:17
15K
9.32 mi12:13:391:17:198:1826:24
8:30
+0:10
20K
12.43 mi12:42:151:45:558:3128:36
9:12
+0:42
Half
13.11 mi12:48:031:51:438:315:48
8:30
-0:42
25K
15.53 mi13:09:252:13:058:3421:22
8:49
+0:19
30K
18.64 mi13:37:572:41:378:4028:32
9:11
+0:22
20M
20.00 mi13:50:252:54:058:4212:28
9:10
-0:01
21M
21.00 mi14:00:203:04:008:469:55
9:55
+0:45
35K
21.75 mi14:06:533:10:338:466:33
8:45
-1:10
23M
23.00 mi14:18:033:21:438:4611:10
8:55
+0:10
24M
24.00 mi14:26:543:30:348:468:51
8:51
-0:04
40K
24.85 mi14:34:363:38:168:477:42
9:00
+0:09
25.2M
25.20 mi14:38:063:41:468:483:30
10:09
+1:09
Finish
26.22 mi14:46:333:50:138:478:27
8:18
-1:51

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

8:03 /mi

Average Pace

8:47 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:34

40% of race

Time at Steady Pace

55:38

24% of race

Time at Slower Pace

1:23:01

36% of race

Average Pace: 8:47 /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 mi11:21:2225:028:0325:02
8:03
#15059
10K
6.21 mi11:47:1550:558:1225:53
8:20
#15716
15K
9.32 mi12:13:391:17:198:1826:24
8:30
#15887
20K
12.43 mi12:42:151:45:558:3128:36
9:12
#16545
Half
13.11 mi12:48:031:51:438:315:48
8:30
#16493
25K
15.53 mi13:09:252:13:058:3421:22
8:49
#16126
30K
18.64 mi13:37:572:41:378:4028:32
9:11
#15725
20M
20.00 mi13:50:252:54:058:4212:28
9:10
#15510
21M
21.00 mi14:00:203:04:008:469:55
9:55
#15323
35K
21.75 mi14:06:533:10:338:466:33
8:45
#15210
23M
23.00 mi14:18:033:21:438:4611:10
8:55
#14933
24M
24.00 mi14:26:543:30:348:468:51
8:51
#14730
40K
24.85 mi14:34:363:38:168:477:42
9:00
#14537
25.2M
25.20 mi14:38:063:41:468:483:30
10:09
#14473
Finish
26.22 mi14:46:333:50:138:478:27
8:18
#14312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi15059100411004116372(Top 64%)10542(Top 72%)10542(Top 5406%)
10K6.21 mi3.10 mi15716-65710315-27410315-27416305(Top 64%)10553(Top 72%)10553(Top 5412%)
15K9.32 mi3.11 mi15887-17110354-3910354-3916372(Top 64%)10542(Top 72%)10542(Top 5406%)
20K12.43 mi3.11 mi16545-65810620-26610620-26618203(Top 71%)11353(Top 78%)11353(Top 5822%)
Half13.11 mi0.68 mi16493+5210588+3210588+3215675(Top 61%)10180(Top 70%)10180(Top 5221%)
25K15.53 mi2.42 mi16126+36710402+18610402+18614616(Top 57%)9628(Top 66%)9628(Top 4937%)
30K18.64 mi3.11 mi15725+40110185+21710185+21714119(Top 55%)9166(Top 63%)9166(Top 4701%)
20M20.00 mi1.36 mi15510+21510050+13510050+13512984(Top 51%)8394(Top 58%)8394(Top 4305%)
21M21.00 mi1.00 mi15323+1879926+1249926+12412644(Top 49%)8019(Top 55%)8019(Top 4112%)
35K21.75 mi0.75 mi15210+1139854+729854+7212095(Top 47%)7733(Top 53%)7733(Top 3966%)
23M23.00 mi1.25 mi14933+2779686+1689686+16810737(Top 42%)6950(Top 48%)6950(Top 3564%)
24M24.00 mi1.00 mi14730+2039544+1429544+14211366(Top 44%)7255(Top 50%)7255(Top 3721%)
40K24.85 mi0.85 mi14537+1939428+1169428+11610888(Top 43%)6860(Top 47%)6860(Top 3518%)
25.2M25.20 mi0.35 mi14473+649390+389390+3811513(Top 45%)7153(Top 49%)7153(Top 3668%)
Finish26.22 mi1.02 mi14312+1619290+1009290+10010288(Top 40%)6632(Top 45%)6632(Top 3401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16372

Males

10542

M70-74

10542

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

16305

Males

10553

M70-74

10553

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16372

Males

10542

M70-74

10542

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18203

Males

11353

M70-74

11353

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

15675

Males

10180

M70-74

10180

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

14616

Males

9628

M70-74

9628

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14119

Males

9166

M70-74

9166

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

12984

Males

8394

M70-74

8394

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12644

Males

8019

M70-74

8019

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12095

Males

7733

M70-74

7733

35K→23M

21.8 - 23.0 mi

Top 42%
×5story building
+23ft-63ft

Overall

10737

Males

6950

M70-74

6950

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11366

Males

7255

M70-74

7255

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

10888

Males

6860

M70-74

6860

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11513

Males

7153

M70-74

7153

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10288

Males

6632

M70-74

6632

Passing Analysis

Category:
Athletes Passed
2850
Passed By
2103
Net Change
+747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15059
5K → 10K92749-657#15059#15716
10K → 15K183354-171#15716#15887
15K → 20K94752-658#15887#16545
20K → Half6614+52#16545#16493
Half → 25K41851+367#16493#16126
25K → 30K47271+401#16126#15725
30K → 20M23823+215#15725#15510
20M → 21M21730+187#15510#15323
21M → 35K12714+113#15323#15210
35K → 23M2792+277#15210#14933
23M → 24M21411+203#14933#14730
24M → 40K20411+193#14730#14537
40K → 25.2M739+64#14537#14473
25.2M → Finish17312+161#14473#14312
TOTALS28502103+747
📊

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