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BOSTON MARATHON 2024

Robert Armstrong

Bib: 12048•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M50-54)
#0 / 1935
Top 33%
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
7:34/mi
23:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:11:49
↑ 67↓ 78
20K· 12.43 mi
7:50/mi
1:36:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:30/mi
1:41:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:00:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:25:42
↑ 181↓ 1480.2%
20M
7:55/mi
2:36:27
↑ 64↓ 500.2%
21M
8:25/mi
2:44:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:50:44
↑ 17↓ 861.7%
23M
7:42/mi
3:00:23
↑ 23↓ 630.6%
24M
7:46/mi
3:08:09
↓ 821.3%
40K· 24.85 mi
7:54/mi
3:14:54
↓ 200.3%
25.2M
8:51/mi
3:17:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:25:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:15
Pace7:43 /mi
2nd Half
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2123:297:3423:29
7:34
-
10K
6.21 mi11:16:2047:287:3823:59
7:43
+0:09
15K
9.32 mi11:40:411:11:497:4224:21
7:50
+0:07
20K
12.43 mi12:05:001:36:087:4424:19
7:50
0:00
Half
13.11 mi12:10:071:41:157:435:07
7:30
-0:20
25K
15.53 mi12:29:432:00:517:4719:36
8:05
+0:35
30K
18.64 mi12:54:342:25:427:4924:51
8:00
-0:05
20M
20.00 mi13:05:192:36:277:4910:45
7:55
-0:05
21M
21.00 mi13:13:442:44:527:518:25
8:25
+0:30
35K
21.75 mi13:19:362:50:447:515:52
7:51
-0:34
23M
23.00 mi13:29:153:00:237:519:39
7:42
-0:09
24M
24.00 mi13:37:013:08:097:507:46
7:46
+0:04
40K
24.85 mi13:43:463:14:547:506:45
7:54
+0:08
25.2M
25.20 mi13:46:493:17:577:513:03
8:51
+0:57
Finish
26.22 mi13:54:353:25:437:517:46
7:37
-1:14

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

7:30 /mi

Average Pace

7:51 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:15

94% of race

Time at Steady Pace

8:25

4% of race

Time at Slower Pace

3:03

1% of race

Average Pace: 7:51 /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 mi10:52:2123:297:3423:29
7:34
#11223
10K
6.21 mi11:16:2047:287:3823:59
7:43
#11560
15K
9.32 mi11:40:411:11:497:4224:21
7:50
#11779
20K
12.43 mi12:05:001:36:087:4424:19
7:50
#11424
Half
13.11 mi12:10:071:41:157:435:07
7:30
#11303
25K
15.53 mi12:29:432:00:517:4719:36
8:05
#11139
30K
18.64 mi12:54:342:25:427:4924:51
8:00
#10359
20M
20.00 mi13:05:192:36:277:4910:45
7:55
#9944
21M
21.00 mi13:13:442:44:527:518:25
8:25
#9584
35K
21.75 mi13:19:362:50:447:515:52
7:51
#9418
23M
23.00 mi13:29:153:00:237:519:39
7:42
#8973
24M
24.00 mi13:37:013:08:097:507:46
7:46
#8760
40K
24.85 mi13:43:463:14:547:506:45
7:54
#8563
25.2M
25.20 mi13:46:493:17:577:513:03
8:51
#8487
Finish
26.22 mi13:54:353:25:437:517:46
7:37
#8353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi112238511851112217(Top 48%)8818(Top 60%)8818(Top 456%)
10K6.21 mi3.10 mi11560-3378618-1078618-10711997(Top 47%)8771(Top 60%)8771(Top 453%)
15K9.32 mi3.11 mi11779-2198667-498667-4912217(Top 48%)8818(Top 60%)8818(Top 456%)
20K12.43 mi3.11 mi11424+3558499+1688499+16810595(Top 41%)7945(Top 54%)7945(Top 411%)
Half13.11 mi0.68 mi11303+1218434+658434+659064(Top 35%)7191(Top 49%)7191(Top 372%)
25K15.53 mi2.42 mi11139+1648316+1188316+11810694(Top 42%)7850(Top 54%)7850(Top 406%)
30K18.64 mi3.11 mi10359+7807827+4897827+4897853(Top 31%)6118(Top 42%)6118(Top 316%)
20M20.00 mi1.36 mi9944+4157580+2477580+2476283(Top 25%)5033(Top 35%)5033(Top 260%)
21M21.00 mi1.00 mi9584+3607347+2337347+2335849(Top 23%)4610(Top 32%)4610(Top 238%)
35K21.75 mi0.75 mi9418+1667220+1277220+1276819(Top 27%)5145(Top 35%)5145(Top 266%)
23M23.00 mi1.25 mi8973+4456925+2956925+2954422(Top 17%)3641(Top 25%)3641(Top 188%)
24M24.00 mi1.00 mi8760+2136770+1556770+1555371(Top 21%)4123(Top 28%)4123(Top 213%)
40K24.85 mi0.85 mi8563+1976617+1536617+1535254(Top 21%)3944(Top 27%)3944(Top 204%)
25.2M25.20 mi0.35 mi8487+766549+686549+685830(Top 23%)4193(Top 29%)4193(Top 217%)
Finish26.22 mi1.02 mi8353+1346435+1146435+1146271(Top 25%)4480(Top 31%)4480(Top 232%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12217

Males

8818

M50-54

8818

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11997

Males

8771

M50-54

8771

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12217

Males

8818

M50-54

8818

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10595

Males

7945

M50-54

7945

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9064

Males

7191

M50-54

7191

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10694

Males

7850

M50-54

7850

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7853

Males

6118

M50-54

6118

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6283

Males

5033

M50-54

5033

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

5849

Males

4610

M50-54

4610

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6819

Males

5145

M50-54

5145

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4422

Males

3641

M50-54

3641

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5371

Males

4123

M50-54

4123

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5254

Males

3944

M50-54

3944

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5830

Males

4193

M50-54

4193

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6271

Males

4480

M50-54

4480

Passing Analysis

Category:
Athletes Passed
4008
Passed By
1138
Net Change
+2870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11223
5K → 10K164501-337#11223#11560
10K → 15K155374-219#11560#11779
15K → 20K42873+355#11779#11424
20K → Half1232+121#11424#11303
Half → 25K278114+164#11303#11139
25K → 30K79313+780#11139#10359
30K → 20M4194+415#10359#9944
20M → 21M3644+360#9944#9584
21M → 35K17711+166#9584#9418
35K → 23M4461+445#9418#8973
23M → 24M2218+213#8973#8760
24M → 40K2025+197#8760#8563
40K → 25.2M848+76#8563#8487
25.2M → Finish15420+134#8487#8353
TOTALS40081138+2870
📊

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