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BOSTON MARATHON 2025

Jonathan Mccloy

Bib: 2855•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:32
Rank: #2368
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
39:06
Rank: #2358 (+10)
5K → 10K
19:34 | 6:18/mi
15K· 9.32 mi
58:31
Rank: #2246 (+112)
10K → 15K
19:25 | 6:15/mi
20K· 12.43 mi
1:18:18
Rank: #2265 (-19)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:22:37
Rank: #2279 (-14)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:23
Rank: #2363 (-84)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
2:00:16
Rank: #2728 (-365)
25K → 30K
21:53 | 7:03/mi
20M
2:10:39
Rank: #3059 (-331)
30K → 20M
10:23 | 7:38/mi
21M
2:19:16
Rank: #3443 (-384)
20M → 21M
8:37 | 8:37/mi
35K· 21.75 mi
2:24:50
Rank: #3577 (-134)
21M → 35K
5:34 | 7:26/mi
23M
2:34:20
Rank: #3737 (-160)
35K → 23M
9:30 | 7:35/mi
24M
2:42:00
Rank: #3958 (-221)
23M → 24M
7:40 | 7:40/mi
40K· 24.85 mi
2:49:14
Rank: #4300 (-342)
24M → 40K
7:14 | 8:28/mi
25.2M
2:52:11
Rank: #4377 (-77)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:00:09
Rank: #4720 (-343)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:37
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:37:32
Pace7:26 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5119:326:1719:32
6:17
-
10K
6.21 mi10:40:2539:066:1819:34
6:18
+0:01
15K
9.32 mi10:59:5058:316:1719:25
6:15
-0:03
20K
12.43 mi11:19:371:18:186:1819:47
6:22
+0:07
Half
13.11 mi11:23:561:22:376:184:19
6:20
-0:02
25K
15.53 mi11:39:421:38:236:2015:46
6:30
+0:10
30K
18.64 mi12:01:352:00:166:2721:53
7:03
+0:33
20M
20.00 mi12:11:582:10:396:3210:23
7:38
+0:35
21M
21.00 mi12:20:352:19:166:388:37
8:37
+0:59
35K
21.75 mi12:26:092:24:506:405:34
7:26
-1:11
23M
23.00 mi12:35:392:34:206:439:30
7:35
+0:09
24M
24.00 mi12:43:192:42:006:457:40
7:40
+0:05
40K
24.85 mi12:50:332:49:146:497:14
8:28
+0:48
25.2M
25.20 mi12:53:302:52:116:502:57
8:33
+0:05
Finish
26.22 mi13:01:283:00:096:537:58
7:49
-0:44

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

6:15 /mi

Average Pace

6:53 /mi

Slowest Pace

8:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:23

55% of race

Time at Steady Pace

1:02:58

35% of race

Time at Slower Pace

18:48

10% of race

Average Pace: 6:52 /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 mi10:20:5119:326:1719:32
6:17
#2368
10K
6.21 mi10:40:2539:066:1819:34
6:18
#2358
15K
9.32 mi10:59:5058:316:1719:25
6:15
#2246
20K
12.43 mi11:19:371:18:186:1819:47
6:22
#2265
Half
13.11 mi11:23:561:22:376:184:19
6:20
#2279
25K
15.53 mi11:39:421:38:236:2015:46
6:30
#2363
30K
18.64 mi12:01:352:00:166:2721:53
7:03
#2728
20M
20.00 mi12:11:582:10:396:3210:23
7:38
#3059
21M
21.00 mi12:20:352:19:166:388:37
8:37
#3443
35K
21.75 mi12:26:092:24:506:405:34
7:26
#3577
23M
23.00 mi12:35:392:34:206:439:30
7:35
#3737
24M
24.00 mi12:43:192:42:006:457:40
7:40
#3958
40K
24.85 mi12:50:332:49:146:497:14
8:28
#4300
25.2M
25.20 mi12:53:302:52:116:502:57
8:33
#4377
Finish
26.22 mi13:01:283:00:096:537:58
7:49
#4720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2368225722572099(Top 7%)2002(Top 12%)2002(Top 35%)
10K6.21 mi3.10 mi2358+102249+82249+82412(Top 8%)2307(Top 14%)2307(Top 41%)
15K9.32 mi3.11 mi2246+1122144+1052144+1052099(Top 7%)2002(Top 12%)2002(Top 35%)
20K12.43 mi3.11 mi2265-192166-222166-222352(Top 8%)2242(Top 14%)2242(Top 40%)
Half13.11 mi0.68 mi2279-142178-122178-122662(Top 9%)2545(Top 16%)2545(Top 45%)
25K15.53 mi2.42 mi2363-842254-762254-762907(Top 10%)2765(Top 17%)2765(Top 49%)
30K18.64 mi3.11 mi2728-3652600-3462600-3464953(Top 17%)4498(Top 28%)4498(Top 80%)
20M20.00 mi1.36 mi3059-3312903-3032903-3037936(Top 28%)6390(Top 40%)6390(Top 113%)
21M21.00 mi1.00 mi3443-3843254-3513254-35111148(Top 39%)7933(Top 49%)7933(Top 141%)
35K21.75 mi0.75 mi3577-1343367-1133367-1138136(Top 29%)6359(Top 39%)6359(Top 113%)
23M23.00 mi1.25 mi3737-1603502-1353502-1357128(Top 25%)5643(Top 35%)5643(Top 100%)
24M24.00 mi1.00 mi3958-2213679-1773679-1778847(Top 31%)6554(Top 41%)6554(Top 116%)
40K24.85 mi0.85 mi4300-3423966-2873966-28713121(Top 46%)8560(Top 53%)8560(Top 152%)
25.2M25.20 mi0.35 mi4377-774030-644030-648979(Top 32%)6398(Top 40%)6398(Top 113%)
Finish26.22 mi1.02 mi4720-3434320-2904320-29011515(Top 41%)7760(Top 48%)7760(Top 138%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2099

Males

2002

M18-39

2002

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2412

Males

2307

M18-39

2307

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2099

Males

2002

M18-39

2002

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2352

Males

2242

M18-39

2242

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2662

Males

2545

M18-39

2545

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2907

Males

2765

M18-39

2765

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4953

Males

4498

M18-39

4498

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7936

Males

6390

M18-39

6390

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11148

Males

7933

M18-39

7933

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8136

Males

6359

M18-39

6359

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7128

Males

5643

M18-39

5643

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8847

Males

6554

M18-39

6554

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

13121

Males

8560

M18-39

8560

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8979

Males

6398

M18-39

6398

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11515

Males

7760

M18-39

7760

Passing Analysis

Category:
Athletes Passed
477
Passed By
2829
Net Change
-2352
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2368
5K → 10K10999+10#2368#2358
10K → 15K14432+112#2358#2246
15K → 20K7089-19#2246#2265
20K → Half317-14#2265#2279
Half → 25K31115-84#2279#2363
25K → 30K28393-365#2363#2728
30K → 20M13344-331#2728#3059
20M → 21M2386-384#3059#3443
21M → 35K14148-134#3443#3577
35K → 23M33193-160#3577#3737
23M → 24M16237-221#3737#3958
24M → 40K5347-342#3958#4300
40K → 25.2M784-77#4300#4377
25.2M → Finish2345-343#4377#4720
TOTALS4772829-2352
📊

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