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BOSTON MARATHON 2025

Gregory Scanlon

Bib: 17686•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 44%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 46%
Division (M55-59)
#0 / 1648
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:00
Rank: #14166
Start → 5K
24:00 | 7:43/mi
10K· 6.21 mi
47:50
Rank: #13897 (+269)
5K → 10K
23:50 | 7:40/mi
15K· 9.32 mi
1:11:26
Rank: #13434 (+463)
10K → 15K
23:36 | 7:36/mi
20K· 12.43 mi
1:35:16
Rank: #13063 (+371)
15K → 20K
23:50 | 7:40/mi
Half· 13.11 mi
1:40:29
Rank: #13053 (+10)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:59:21
Rank: #12879 (+174)
Half → 25K
18:52 | 7:47/mi
30K· 18.64 mi
2:24:38
Rank: #12726 (+153)
25K → 30K
25:17 | 8:08/mi
20M
2:35:47
Rank: #12635 (+91)
30K → 20M
11:09 | 8:12/mi
21M
2:44:26
Rank: #12532 (+103)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:50:28
Rank: #12522 (+10)
21M → 35K
6:02 | 8:04/mi
23M
3:01:03
Rank: #12537 (-15)
35K → 23M
10:35 | 8:27/mi
24M
3:09:16
Rank: #12534 (+3)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:16:17
Rank: #12448 (+86)
24M → 40K
7:01 | 8:12/mi
25.2M
3:19:21
Rank: #12427 (+21)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:27:28
Rank: #12434 (-7)
25.2M → Finish
8:07 | 7:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:29
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3424:007:4324:00
7:43
-
10K
6.21 mi11:38:2447:507:4223:50
7:40
-0:03
15K
9.32 mi12:02:001:11:267:4023:36
7:36
-0:04
20K
12.43 mi12:25:501:35:167:4023:50
7:40
+0:04
Half
13.11 mi12:31:031:40:297:405:13
7:39
-0:01
25K
15.53 mi12:49:551:59:217:4118:52
7:47
+0:08
30K
18.64 mi13:15:122:24:387:4625:17
8:08
+0:21
20M
20.00 mi13:26:212:35:477:4711:09
8:12
+0:04
21M
21.00 mi13:35:002:44:267:508:39
8:39
+0:27
35K
21.75 mi13:41:022:50:287:506:02
8:04
-0:35
23M
23.00 mi13:51:373:01:037:5210:35
8:27
+0:23
24M
24.00 mi13:59:503:09:167:538:13
8:13
-0:14
40K
24.85 mi14:06:513:16:177:547:01
8:12
-0:01
25.2M
25.20 mi14:09:553:19:217:553:04
8:54
+0:42
Finish
26.22 mi14:18:023:27:287:558:07
7:58
-0:56

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

7:36 /mi

Average Pace

7:55 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:10

89% of race

Time at Steady Pace

22:18

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:14:3424:007:4324:00
7:43
#14166
10K
6.21 mi11:38:2447:507:4223:50
7:40
#13897
15K
9.32 mi12:02:001:11:267:4023:36
7:36
#13434
20K
12.43 mi12:25:501:35:167:4023:50
7:40
#13063
Half
13.11 mi12:31:031:40:297:405:13
7:39
#13053
25K
15.53 mi12:49:551:59:217:4118:52
7:47
#12879
30K
18.64 mi13:15:122:24:387:4625:17
8:08
#12726
20M
20.00 mi13:26:212:35:477:4711:09
8:12
#12635
21M
21.00 mi13:35:002:44:267:508:39
8:39
#12532
35K
21.75 mi13:41:022:50:287:506:02
8:04
#12522
23M
23.00 mi13:51:373:01:037:5210:35
8:27
#12537
24M
24.00 mi13:59:503:09:167:538:13
8:13
#12534
40K
24.85 mi14:06:513:16:177:547:01
8:12
#12448
25.2M
25.20 mi14:09:553:19:217:553:04
8:54
#12427
Finish
26.22 mi14:18:023:27:287:558:07
7:58
#12434
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14166101091010912558(Top 44%)9328(Top 58%)9328(Top 566%)
10K6.21 mi3.10 mi13897+2699977+1329977+13213620(Top 48%)9845(Top 61%)9845(Top 597%)
15K9.32 mi3.11 mi13434+4639748+2299748+22912558(Top 44%)9328(Top 58%)9328(Top 566%)
20K12.43 mi3.11 mi13063+3719541+2079541+20712139(Top 43%)9033(Top 56%)9033(Top 548%)
Half13.11 mi0.68 mi13053+109538+39538+312908(Top 45%)9415(Top 58%)9415(Top 571%)
25K15.53 mi2.42 mi12879+1749437+1019437+10112180(Top 43%)8938(Top 55%)8938(Top 542%)
30K18.64 mi3.11 mi12726+1539310+1279310+12712352(Top 43%)8839(Top 55%)8839(Top 536%)
20M20.00 mi1.36 mi12635+919225+859225+8511824(Top 42%)8438(Top 52%)8438(Top 512%)
21M21.00 mi1.00 mi12532+1039144+819144+8111362(Top 40%)8060(Top 50%)8060(Top 489%)
35K21.75 mi0.75 mi12522+109117+279117+2712657(Top 45%)8643(Top 54%)8643(Top 524%)
23M23.00 mi1.25 mi12537-159086+319086+3112990(Top 46%)8688(Top 54%)8688(Top 527%)
24M24.00 mi1.00 mi12534+39065+219065+2112661(Top 45%)8487(Top 53%)8487(Top 515%)
40K24.85 mi0.85 mi12448+868983+828983+8211579(Top 41%)7857(Top 49%)7857(Top 477%)
25.2M25.20 mi0.35 mi12427+218963+208963+2011158(Top 39%)7564(Top 47%)7564(Top 459%)
Finish26.22 mi1.02 mi12434-78936+278936+2712630(Top 44%)8348(Top 52%)8348(Top 507%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12558

Males

9328

M55-59

9328

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13620

Males

9845

M55-59

9845

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12558

Males

9328

M55-59

9328

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12139

Males

9033

M55-59

9033

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12908

Males

9415

M55-59

9415

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

12180

Males

8938

M55-59

8938

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12352

Males

8839

M55-59

8839

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11824

Males

8438

M55-59

8438

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11362

Males

8060

M55-59

8060

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

12657

Males

8643

M55-59

8643

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12990

Males

8688

M55-59

8688

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12661

Males

8487

M55-59

8487

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11579

Males

7857

M55-59

7857

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11158

Males

7564

M55-59

7564

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12630

Males

8348

M55-59

8348

Passing Analysis

Category:
Athletes Passed
2732
Passed By
1000
Net Change
+1732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14166
5K → 10K428159+269#14166#13897
10K → 15K49431+463#13897#13434
15K → 20K40938+371#13434#13063
20K → Half4939+10#13063#13053
Half → 25K24369+174#13053#12879
25K → 30K301148+153#12879#12726
30K → 20M15867+91#12726#12635
20M → 21M15350+103#12635#12532
21M → 35K7969+10#12532#12522
35K → 23M104119-15#12522#12537
23M → 24M8582+3#12537#12534
24M → 40K11125+86#12534#12448
40K → 25.2M4423+21#12448#12427
25.2M → Finish7481-7#12427#12434
TOTALS27321000+1732
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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