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BOSTON MARATHON 2024

Andrew Isaacs

MI

Bib: 24621 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
10:01/mi
31:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:19/mi
1:03:10
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:10/mi
1:37:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:33/mi
2:13:47
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:23/mi
2:21:33
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:32/mi
2:51:57
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:33/mi
3:30:56
↑ 181↓ 1480.2%
138 ft elev
20M
12:23/mi
3:47:46
↑ 64↓ 500.2%
148 ft elev
21M
14:07/mi
4:01:53
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:38/mi
4:10:35
↑ 17↓ 861.7%
156 ft elev
23M
13:31/mi
4:27:31
↑ 23↓ 630.6%
116 ft elev
24M
12:18/mi
4:39:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
15:10/mi
4:52:47
↓ 200.3%
20 ft elev
25.2M
13:52/mi
4:57:34
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
12:15/mi
5:10:03
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:33
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time2:48:30
Pace12:51 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2431:0810:0131:08
10:01
-
10K
6.21 mi12:18:261:03:1010:1032:02
10:19
+0:18
15K
9.32 mi12:53:091:37:5310:3034:43
11:10
+0:51
20K
12.43 mi13:29:032:13:4710:4635:54
11:33
+0:23
Half
13.11 mi13:36:492:21:3310:487:46
11:23
-0:10
25K
15.53 mi14:07:132:51:5711:0430:24
12:32
+1:09
30K
18.64 mi14:46:123:30:5611:1938:59
12:33
+0:01
20M
20.00 mi15:03:023:47:4611:2316:50
12:23
-0:10
21M
21.00 mi15:17:094:01:5311:3114:07
14:07
+1:44
35K
21.75 mi15:25:514:10:3511:318:42
11:38
-2:29
23M
23.00 mi15:42:474:27:3111:3816:56
13:31
+1:53
24M
24.00 mi15:55:054:39:4911:4012:18
12:18
-1:13
40K
24.85 mi16:08:034:52:4711:4712:58
15:10
+2:52
25.2M
25.20 mi16:12:504:57:3411:494:47
13:52
-1:18
Finish
26.22 mi16:25:195:10:0311:5012:29
12:15
-1:37

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

10:01 /mi

Average Pace

11:50 /mi

Slowest Pace

15:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:33

46% of race

Time at Steady Pace

1:59:42

39% of race

Time at Slower Pace

48:48

16% of race

Average Pace: 11:49 /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 mi11:46:2431:0810:0131:08
10:01
#23033
10K
6.21 mi12:18:261:03:1010:1032:02
10:19
#23133
15K
9.32 mi12:53:091:37:5310:3034:43
11:10
#23471
20K
12.43 mi13:29:032:13:4710:4635:54
11:33
#23556
Half
13.11 mi13:36:492:21:3310:487:46
11:23
#23577
25K
15.53 mi14:07:132:51:5711:0430:24
12:32
#23667
30K
18.64 mi14:46:123:30:5611:1938:59
12:33
#23499
20M
20.00 mi15:03:023:47:4611:2316:50
12:23
#23386
21M
21.00 mi15:17:094:01:5311:3114:07
14:07
#23323
35K
21.75 mi15:25:514:10:3511:318:42
11:38
#23256
23M
23.00 mi15:42:474:27:3111:3816:56
13:31
#23271
24M
24.00 mi15:55:054:39:4911:4012:18
12:18
#23227
40K
24.85 mi16:08:034:52:4711:4712:58
15:10
#23334
25.2M
25.20 mi16:12:504:57:3411:494:47
13:52
#23317
Finish
26.22 mi16:25:195:10:0311:5012:29
12:15
#23342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi230331357713577239321395013950
10K6.21 mi3.10 mi23133-10013608-3113608-31232011362213622
15K9.32 mi3.11 mi23471-33813763-15513763-155239321395013950
20K12.43 mi3.11 mi23556-8513782-1913782-19234291369913699
Half13.11 mi0.68 mi23577-2113793-1113793-11239751389113891
25K15.53 mi2.42 mi23667-9013821-2813821-28237661377313773
30K18.64 mi3.11 mi23499+16813698+12313698+123227371317313173
20M20.00 mi1.36 mi23386+11313617+8113617+81219991270312703
21M21.00 mi1.00 mi23323+6313577+4013577+40224731289712897
35K21.75 mi0.75 mi23256+6713539+3813539+38211191218012180
23M23.00 mi1.25 mi23271-1513533+613533+6232531325813258
24M24.00 mi1.00 mi23227+4413499+3413499+34219991252412524
40K24.85 mi0.85 mi23334-10713544-4513544-45246331395313953
25.2M25.20 mi0.35 mi23317+1713533+1113533+11213771216412164
Finish26.22 mi1.02 mi23342-2513528+513528+5235621331913319

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

23932

Males

13950

M45-49

13950

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

23201

Males

13622

M45-49

13622

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

23932

Males

13950

M45-49

13950

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

23429

Males

13699

M45-49

13699

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

23975

Males

13891

M45-49

13891

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

23766

Males

13773

M45-49

13773

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

22737

Males

13173

M45-49

13173

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

21999

Males

12703

M45-49

12703

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

22473

Males

12897

M45-49

12897

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21119

Males

12180

M45-49

12180

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

23253

Males

13258

M45-49

13258

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

21999

Males

12524

M45-49

12524

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24633

Males

13953

M45-49

13953

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21377

Males

12164

M45-49

12164

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2story building
+22ft-21ft

Overall

23562

Males

13319

M45-49

13319

Passing Analysis

Category:
Athletes Passed
1074
Passed By
1383
Net Change
-309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23033
5K → 10K160260-100#23033#23133
10K → 15K61399-338#23133#23471
15K → 20K106191-85#23471#23556
20K → Half2142-21#23556#23577
Half → 25K75165-90#23577#23667
25K → 30K20941+168#23667#23499
30K → 20M12411+113#23499#23386
20M → 21M7916+63#23386#23323
21M → 35K747+67#23323#23256
35K → 23M4358-15#23256#23271
23M → 24M5713+44#23271#23227
24M → 40K6113-107#23227#23334
40K → 25.2M258+17#23334#23317
25.2M → Finish3459-25#23317#23342
TOTALS10741383-309

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