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BOSTON MARATHON 2024

John Lavin

ID

Bib: 9391 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
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
7:15/mi
22:31
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:39/mi
46:18
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:45/mi
1:10:24
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:03/mi
1:35:26
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:02/mi
1:40:55
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:28/mi
2:01:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:24/mi
2:30:37
↑ 181↓ 1480.2%
138 ft elev
20M
9:42/mi
2:43:48
↑ 64↓ 500.2%
148 ft elev
21M
10:11/mi
2:53:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:39/mi
3:01:12
↑ 17↓ 861.7%
156 ft elev
23M
9:39/mi
3:13:17
↑ 23↓ 630.6%
116 ft elev
24M
9:52/mi
3:23:09
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:05/mi
3:31:46
↓ 200.3%
20 ft elev
25.2M
10:38/mi
3:35:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:49/mi
3:44:25
↑ 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
1:40:557:42 /mi⚡ faster
2nd Half
2:03:309:25 /mi+22.4%
Positive split — 22.4% 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 mi10:49:5122:317:1522:31
7:15
-
10K
6.21 mi11:13:3846:187:2723:47
7:39
+0:24
15K
9.32 mi11:37:441:10:247:3324:06
7:45
+0:06
20K
12.43 mi12:02:461:35:267:4125:02
8:03
+0:18
Half
13.11 mi12:08:151:40:557:425:29
8:02
-0:01
25K
15.53 mi12:28:462:01:267:4920:31
8:28
+0:26
30K
18.64 mi12:57:572:30:378:0529:11
9:24
+0:56
20M
20.00 mi13:11:082:43:488:1113:11
9:42
+0:18
21M
21.00 mi13:21:192:53:598:1710:11
10:11
+0:29
35K
21.75 mi13:28:323:01:128:207:13
9:39
-0:32
23M
23.00 mi13:40:373:13:178:2412:05
9:39
0:00
24M
24.00 mi13:50:293:23:098:289:52
9:52
+0:13
40K
24.85 mi13:59:063:31:468:318:37
10:05
+0:13
25.2M
25.20 mi14:02:463:35:268:333:40
10:38
+0:33
Finish
26.22 mi14:11:453:44:258:348:59
8:49
-1:49

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

7:15 /mi

Average Pace

8:34 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:10:25

58% of race

Time at Steady Pace

1:11:32

32% of race

Time at Slower Pace

22:28

10% of race

Average Pace: 8:34 /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 mi10:49:5122:317:1522:31
7:15
#8781
10K
6.21 mi11:13:3846:187:2723:47
7:39
#10046
15K
9.32 mi11:37:441:10:247:3324:06
7:45
#10597
20K
12.43 mi12:02:461:35:267:4125:02
8:03
#11025
Half
13.11 mi12:08:151:40:557:425:29
8:02
#11105
25K
15.53 mi12:28:462:01:267:4920:31
8:28
#11409
30K
18.64 mi12:57:572:30:378:0529:11
9:24
#12214
20M
20.00 mi13:11:082:43:488:1113:11
9:42
#12470
21M
21.00 mi13:21:192:53:598:1710:11
10:11
#12520
35K
21.75 mi13:28:323:01:128:207:13
9:39
#12650
23M
23.00 mi13:40:373:13:178:2412:05
9:39
#12734
24M
24.00 mi13:50:293:23:098:289:52
9:52
#12910
40K
24.85 mi13:59:063:31:468:318:37
10:05
#13038
25.2M
25.20 mi14:02:463:35:268:333:40
10:38
#13022
Finish
26.22 mi14:11:453:44:258:348:59
8:49
#13003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8781728272821159885568556
10K6.21 mi3.10 mi10046-12657960-6787960-6781150085488548
15K9.32 mi3.11 mi10597-5518166-2068166-2061159885568556
20K12.43 mi3.11 mi11025-4288324-1588324-1581221487518751
Half13.11 mi0.68 mi11105-808354-308354-301297490739073
25K15.53 mi2.42 mi11409-3048446-928446-921285088618861
30K18.64 mi3.11 mi12214-8058722-2768722-2761501595629562
20M20.00 mi1.36 mi12470-2568781-598781-591533494429442
21M21.00 mi1.00 mi12520-508736+458736+451365885008500
35K21.75 mi0.75 mi12650-1308757-218757-211599096019601
23M23.00 mi1.25 mi12734-848732+258732+251412886108610
24M24.00 mi1.00 mi12910-1768760-288760-281584794429442
40K24.85 mi0.85 mi13038-1288765-58765-51527790949094
25.2M25.20 mi0.35 mi13022+168737+288737+281323280038003
Finish26.22 mi1.02 mi13003+198689+488689+481323681198119

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11598

Males

8556

M45-49

8556

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11500

Males

8548

M45-49

8548

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11598

Males

8556

M45-49

8556

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12214

Males

8751

M45-49

8751

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

12974

Males

9073

M45-49

9073

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

12850

Males

8861

M45-49

8861

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15015

Males

9562

M45-49

9562

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15334

Males

9442

M45-49

9442

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

13658

Males

8500

M45-49

8500

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

15990

Males

9601

M45-49

9601

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14128

Males

8610

M45-49

8610

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15847

Males

9442

M45-49

9442

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15277

Males

9094

M45-49

9094

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13232

Males

8003

M45-49

8003

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13236

Males

8119

M45-49

8119

Passing Analysis

Category:
Athletes Passed
1069
Passed By
5289
Net Change
-4222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8781
5K → 10K341298-1265#8781#10046
10K → 15K71621-551#10046#10597
15K → 20K116544-428#10597#11025
20K → Half1393-80#11025#11105
Half → 25K135439-304#11105#11409
25K → 30K110915-805#11409#12214
30K → 20M79335-256#12214#12470
20M → 21M112162-50#12470#12520
21M → 35K35165-130#12520#12650
35K → 23M101185-84#12650#12734
23M → 24M56232-176#12734#12910
24M → 40K68196-128#12910#13038
40K → 25.2M4226+16#13038#13022
25.2M → Finish9778+19#13022#13003
TOTALS10695289-4222

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing