Gregory Scanlon

Bib: 18735M

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 47%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 49%
Age Group (M55-59)
#0 / 1491
Top 42%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:48
3.11 mi
Rank: #14197
Start5K
23:48 | 7:40/mi
10K
47:36
6.21 mi
Rank: #14259 (-62)
5K10K
23:48 | 7:40/mi
15K
1:11:13
9.32 mi
Rank: #13994 (+265)
10K15K
23:37 | 7:37/mi
20K
1:35:09
12.43 mi
Rank: #13913 (+81)
15K20K
23:56 | 7:43/mi
HALF
1:40:21
13.11 mi
Rank: #13919 (-6)
20KHALF
5:12 | 7:38/mi
25K
1:59:09
15.53 mi
Rank: #13815 (+104)
HALF25K
18:48 | 7:46/mi
30K
2:24:13
18.64 mi
Rank: #13816 (-1)
25K30K
25:04 | 8:05/mi
20M
2:35:17
20.00 mi
Rank: #13788 (+28)
30K20M
11:04 | 8:09/mi
21M
2:43:45
21.00 mi
Rank: #13716 (+72)
20M21M
8:28 | 8:28/mi
35K
2:49:40
21.75 mi
Rank: #13708 (+8)
21M35K
5:55 | 7:55/mi
23M
2:59:55
23.00 mi
Rank: #13700 (+8)
35K23M
10:15 | 8:12/mi
24M
3:07:59
24.00 mi
Rank: #13719 (-19)
23M24M
8:04 | 8:04/mi
40K
3:14:53
24.85 mi
Rank: #13677 (+42)
24M40K
6:54 | 8:05/mi
25.2M
3:17:51
25.20 mi
Rank: #13646 (+31)
40K25.2M
2:58 | 8:37/mi
FINISH
3:25:51
26.22 mi
Rank: #13660 (-14)
25.2MFINISH
8:00 | 7:52/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:21
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:06:4323:487:4023:48
7:40
-
10K
6.21 mi11:30:3147:367:4023:48
7:40
0:00
15K
9.32 mi11:54:081:11:137:3923:37
7:37
-0:03
20K
12.43 mi12:18:041:35:097:4023:56
7:43
+0:06
HALF
13.11 mi12:23:161:40:217:405:12
7:38
-0:05
25K
15.53 mi12:42:041:59:097:4118:48
7:46
+0:08
30K
18.64 mi13:07:082:24:137:4525:04
8:05
+0:19
20M
20.00 mi13:18:122:35:177:4611:04
8:09
+0:04
21M
21.00 mi13:26:402:43:457:488:28
8:28
+0:19
35K
21.75 mi13:32:352:49:407:495:55
7:55
-0:33
23M
23.00 mi13:42:502:59:557:5010:15
8:12
+0:17
24M
24.00 mi13:50:543:07:597:508:04
8:04
-0:08
40K
24.85 mi13:57:483:14:537:516:54
8:05
+0:01
25.2M
25.20 mi14:00:463:17:517:522:58
8:37
+0:32
FINISH
26.22 mi14:08:463:25:517:528:00
7:52
-0:45

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:37 /mi

Average Pace

7:51 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:14:25

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:06:4323:487:4023:48
7:40
#14197
10K
6.21 mi11:30:3147:367:4023:48
7:40
#14259
15K
9.32 mi11:54:081:11:137:3923:37
7:37
#13994
20K
12.43 mi12:18:041:35:097:4023:56
7:43
#13913
HALF
13.11 mi12:23:161:40:217:405:12
7:38
#13919
25K
15.53 mi12:42:041:59:097:4118:48
7:46
#13815
30K
18.64 mi13:07:082:24:137:4525:04
8:05
#13816
20M
20.00 mi13:18:122:35:177:4611:04
8:09
#13788
21M
21.00 mi13:26:402:43:457:488:28
8:28
#13716
35K
21.75 mi13:32:352:49:407:495:55
7:55
#13708
23M
23.00 mi13:42:502:59:557:5010:15
8:12
#13700
24M
24.00 mi13:50:543:07:597:508:04
8:04
#13719
40K
24.85 mi13:57:483:14:537:516:54
8:05
#13677
25.2M
25.20 mi14:00:463:17:517:522:58
8:37
#13646
FINISH
26.22 mi14:08:463:25:517:528:00
7:52
#13660
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi141979945994513663(Top 47%)9658(Top 59%)9658(Top 648%)
10K6.21 mi3.10 mi14259-629954-99954-914398(Top 50%)9995(Top 61%)9995(Top 670%)
15K9.32 mi3.11 mi13994+2659822+1329822+13213663(Top 47%)9658(Top 59%)9658(Top 648%)
20K12.43 mi3.11 mi13913+819762+609762+6013739(Top 47%)9619(Top 59%)9619(Top 645%)
HALF13.11 mi0.68 mi13919-69763-19763-114058(Top 48%)9817(Top 60%)9817(Top 658%)
25K15.53 mi2.42 mi13815+1049705+589705+5813432(Top 46%)9407(Top 58%)9407(Top 631%)
30K18.64 mi3.11 mi13816-19674+319674+3113991(Top 48%)9548(Top 58%)9548(Top 640%)
20M20.00 mi1.36 mi13788+289632+429632+4213834(Top 48%)9369(Top 57%)9369(Top 628%)
21M21.00 mi1.00 mi13716+729571+619571+6112887(Top 44%)8851(Top 54%)8851(Top 594%)
35K21.75 mi0.75 mi13708+89553+189553+1813817(Top 48%)9239(Top 57%)9239(Top 620%)
23M23.00 mi1.25 mi13700+89514+399514+3913712(Top 47%)9110(Top 56%)9110(Top 611%)
24M24.00 mi1.00 mi13719-199501+139501+1314173(Top 49%)9227(Top 56%)9227(Top 619%)
40K24.85 mi0.85 mi13677+429465+369465+3612947(Top 45%)8602(Top 53%)8602(Top 577%)
25.2M25.20 mi0.35 mi13646+319441+249441+2412247(Top 42%)8229(Top 50%)8229(Top 552%)
FINISH26.22 mi1.02 mi13660-149424+179424+1714117(Top 49%)9099(Top 56%)9099(Top 610%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13663

Males

9658

M55-59

9658

5K→10K

3.1 - 6.2 mi

Top 50%
×5
+79ft-138ft

Overall

14398

Males

9995

M55-59

9995

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13663

Males

9658

M55-59

9658

15K→20K

9.3 - 12.4 mi

Top 47%
×5
+106ft-86ft

Overall

13739

Males

9619

M55-59

9619

20K→HALF

12.4 - 13.1 mi

Top 48%
×2
+19ft-37ft

Overall

14058

Males

9817

M55-59

9817

HALF→25K

13.1 - 15.5 mi

Top 46%
×4
+66ft-88ft

Overall

13432

Males

9407

M55-59

9407

25K→30K

15.5 - 18.6 mi

Top 48%
×9
+181ft-148ft

Overall

13991

Males

9548

M55-59

9548

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13834

Males

9369

M55-59

9369

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12887

Males

8851

M55-59

8851

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13817

Males

9239

M55-59

9239

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13712

Males

9110

M55-59

9110

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14173

Males

9227

M55-59

9227

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

12947

Males

8602

M55-59

8602

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1
+13ft-16ft

Overall

12247

Males

8229

M55-59

8229

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14117

Males

9099

M55-59

9099

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1864
Passed By
1327
Net Change
+537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14197
5K10K263325-62#14197#14259
10K15K34681+265#14259#13994
15K20K202121+81#13994#13913
20KHALF2632-6#13913#13919
HALF25K18581+104#13919#13815
25K30K184185-1#13815#13816
30K20M11789+28#13816#13788
20M21M11947+72#13788#13716
21M35K5345+8#13716#13708
35K23M109101+8#13708#13700
23M24M7089-19#13700#13719
24M40K7432+42#13719#13677
40K25.2M5120+31#13677#13646
25.2MFINISH6579-14#13646#13660
TOTALS18641327+537
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing