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BOSTON MARATHON 2024

Rob Kelsey

Bib: 10640•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 48%
Division (M45-49)
#0 / 2218
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
7:20/mi
22:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:22/mi
1:08:24
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:31:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:36:51
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
1:56:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:16/mi
2:25:15
↑ 181↓ 1480.2%
20M
9:34/mi
2:38:15
↑ 64↓ 500.2%
21M
11:11/mi
2:49:26
↑ 106↓ 241.6%
35K· 21.75 mi
8:56/mi
2:56:07
↑ 17↓ 861.7%
23M
10:14/mi
3:08:56
↑ 23↓ 630.6%
24M
8:51/mi
3:17:47
↓ 821.3%
40K· 24.85 mi
10:01/mi
3:26:21
↓ 200.3%
25.2M
11:01/mi
3:30:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
3:39:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:51
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time2:02:25
Pace9:20 /mi
📊Positive Split: 26.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5022:487:2022:48
7:20
-
10K
6.21 mi11:12:3245:307:1922:42
7:18
-0:02
15K
9.32 mi11:35:261:08:247:2022:54
7:22
+0:04
20K
12.43 mi11:58:451:31:437:2323:19
7:30
+0:08
Half
13.11 mi12:03:531:36:517:235:08
7:31
+0:01
25K
15.53 mi12:23:291:56:277:3019:36
8:05
+0:34
30K
18.64 mi12:52:172:25:157:4828:48
9:16
+1:11
20M
20.00 mi13:05:172:38:157:5513:00
9:34
+0:18
21M
21.00 mi13:16:282:49:268:0411:11
11:11
+1:37
35K
21.75 mi13:23:092:56:078:066:41
8:56
-2:15
23M
23.00 mi13:35:583:08:568:1312:49
10:14
+1:18
24M
24.00 mi13:44:493:17:478:148:51
8:51
-1:23
40K
24.85 mi13:53:233:26:218:188:34
10:01
+1:10
25.2M
25.20 mi13:57:113:30:098:203:48
11:01
+1:00
Finish
26.22 mi14:06:183:39:168:229:07
8:57
-2:04

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

7:18 /mi

Average Pace

8:22 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:27

53% of race

Time at Steady Pace

1:06:27

30% of race

Time at Slower Pace

36:22

17% of race

Average Pace: 8:22 /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 mi10:49:5022:487:2022:48
7:20
#9470
10K
6.21 mi11:12:3245:307:1922:42
7:18
#9069
15K
9.32 mi11:35:261:08:247:2022:54
7:22
#8897
20K
12.43 mi11:58:451:31:437:2323:19
7:30
#8702
Half
13.11 mi12:03:531:36:517:235:08
7:31
#8727
25K
15.53 mi12:23:291:56:277:3019:36
8:05
#9039
30K
18.64 mi12:52:172:25:157:4828:48
9:16
#10181
20M
20.00 mi13:05:172:38:157:5513:00
9:34
#10577
21M
21.00 mi13:16:282:49:268:0411:11
11:11
#11094
35K
21.75 mi13:23:092:56:078:066:41
8:56
#11159
23M
23.00 mi13:35:583:08:568:1312:49
10:14
#11554
24M
24.00 mi13:44:493:17:478:148:51
8:51
#11508
40K
24.85 mi13:53:233:26:218:188:34
10:01
#11678
25.2M
25.20 mi13:57:113:30:098:203:48
11:01
#11746
Finish
26.22 mi14:06:183:39:168:229:07
8:57
#11813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9470767576758652(Top 34%)7100(Top 49%)7100(Top 320%)
10K6.21 mi3.10 mi9069+4017406+2697406+2698726(Top 34%)7188(Top 49%)7188(Top 324%)
15K9.32 mi3.11 mi8897+1727288+1187288+1188652(Top 34%)7100(Top 49%)7100(Top 320%)
20K12.43 mi3.11 mi8702+1957143+1457143+1458411(Top 33%)6844(Top 47%)6844(Top 309%)
Half13.11 mi0.68 mi8727-257157-147157-149292(Top 36%)7330(Top 50%)7330(Top 330%)
25K15.53 mi2.42 mi9039-3127293-1367293-13610714(Top 42%)7870(Top 54%)7870(Top 355%)
30K18.64 mi3.11 mi10181-11427747-4547747-45414479(Top 57%)9317(Top 64%)9317(Top 420%)
20M20.00 mi1.36 mi10577-3967887-1407887-14014777(Top 58%)9201(Top 63%)9201(Top 415%)
21M21.00 mi1.00 mi11094-5178089-2028089-20216810(Top 66%)10015(Top 69%)10015(Top 452%)
35K21.75 mi0.75 mi11159-658079+108079+1012963(Top 51%)8137(Top 56%)8137(Top 367%)
23M23.00 mi1.25 mi11554-3958203-1248203-12416218(Top 63%)9674(Top 66%)9674(Top 436%)
24M24.00 mi1.00 mi11508+468125+788125+7811354(Top 44%)7243(Top 50%)7243(Top 327%)
40K24.85 mi0.85 mi11678-1708161-368161-3615047(Top 59%)8975(Top 62%)8975(Top 405%)
25.2M25.20 mi0.35 mi11746-688166-58166-514500(Top 57%)8668(Top 59%)8668(Top 391%)
Finish26.22 mi1.02 mi11813-678160+68160+613909(Top 54%)8447(Top 58%)8447(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

8652

Males

7100

M45-49

7100

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8726

Males

7188

M45-49

7188

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

8652

Males

7100

M45-49

7100

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8411

Males

6844

M45-49

6844

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9292

Males

7330

M45-49

7330

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10714

Males

7870

M45-49

7870

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14479

Males

9317

M45-49

9317

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14777

Males

9201

M45-49

9201

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16810

Males

10015

M45-49

10015

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

12963

Males

8137

M45-49

8137

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16218

Males

9674

M45-49

9674

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11354

Males

7243

M45-49

7243

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15047

Males

8975

M45-49

8975

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14500

Males

8668

M45-49

8668

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

13909

Males

8447

M45-49

8447

Passing Analysis

Category:
Athletes Passed
1727
Passed By
4067
Net Change
-2343
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9470
5K → 10K47978+401#9470#9069
10K → 15K26997+172#9069#8897
15K → 20K28287+195#8897#8702
20K → Half2752-25#8702#8727
Half → 25K115427-312#8727#9039
25K → 30K661206-1142#9039#10181
30K → 20M53448-396#10181#10577
20M → 21M31548-517#10577#11094
21M → 35K74139-65#11094#11159
35K → 23M62457-395#11159#11554
23M → 24M12579+46#11554#11508
24M → 40K55225-170#11508#11678
40K → 25.2M2694-68#11678#11746
25.2M → Finish63130-67#11746#11813
TOTALS17274067-2343
📊

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