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BOSTON MARATHON 2024

Michael Alexander

LA

Bib: 21277 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:03/mi
25:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:20/mi
50:55
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:17:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:12/mi
1:45:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:30/mi
1:51:43
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:49/mi
2:13:05
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:11/mi
2:41:37
↑ 181↓ 1480.2%
138 ft elev
20M
9:10/mi
2:54:05
↑ 64↓ 500.2%
148 ft elev
21M
9:55/mi
3:04:00
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:45/mi
3:10:33
↑ 17↓ 861.7%
156 ft elev
23M
8:55/mi
3:21:43
↑ 23↓ 630.6%
116 ft elev
24M
8:51/mi
3:30:34
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:00/mi
3:38:16
↓ 200.3%
20 ft elev
25.2M
10:09/mi
3:41:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:18/mi
3:50:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:51:438:31 /mi⚡ faster
2nd Half
1:58:309:02 /mi+6.1%
Positive split — 6.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

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 mi150591004110041163721054210542
10K6.21 mi3.10 mi15716-65710315-27410315-274163051055310553
15K9.32 mi3.11 mi15887-17110354-3910354-39163721054210542
20K12.43 mi3.11 mi16545-65810620-26610620-266182031135311353
Half13.11 mi0.68 mi16493+5210588+3210588+32156751018010180
25K15.53 mi2.42 mi16126+36710402+18610402+1861461696289628
30K18.64 mi3.11 mi15725+40110185+21710185+2171411991669166
20M20.00 mi1.36 mi15510+21510050+13510050+1351298483948394
21M21.00 mi1.00 mi15323+1879926+1249926+1241264480198019
35K21.75 mi0.75 mi15210+1139854+729854+721209577337733
23M23.00 mi1.25 mi14933+2779686+1689686+1681073769506950
24M24.00 mi1.00 mi14730+2039544+1429544+1421136672557255
40K24.85 mi0.85 mi14537+1939428+1169428+1161088868606860
25.2M25.20 mi0.35 mi14473+649390+389390+381151371537153
Finish26.22 mi1.02 mi14312+1619290+1009290+1001028866326632

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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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