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BOSTON MARATHON 2025

Ieuan Clay

Bib: 7502•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M40-44)
#0 / 2247
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #4755
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
41:15
Rank: #4802 (-47)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:01:59
Rank: #4794 (+8)
10K → 15K
20:44 | 6:40/mi
20K· 12.43 mi
1:22:59
Rank: #4797 (-3)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:27:30
Rank: #4764 (+33)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:55
Rank: #4706 (+58)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
2:05:43
Rank: #4685 (+21)
25K → 30K
21:48 | 7:01/mi
20M
2:15:17
Rank: #4632 (+53)
30K → 20M
9:34 | 7:02/mi
21M
2:22:41
Rank: #4566 (+66)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:27:42
Rank: #4490 (+76)
21M → 35K
5:01 | 6:42/mi
23M
2:36:20
Rank: #4359 (+131)
35K → 23M
8:38 | 6:54/mi
24M
2:42:56
Rank: #4211 (+148)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:48:47
Rank: #4145 (+66)
24M → 40K
5:51 | 6:51/mi
25.2M
2:51:22
Rank: #4127 (+18)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:58:07
Rank: #4067 (+60)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:30
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1620:346:3720:34
6:37
-
10K
6.21 mi10:46:5741:156:3820:41
6:39
+0:02
15K
9.32 mi11:07:411:01:596:3920:44
6:40
+0:01
20K
12.43 mi11:28:411:22:596:4121:00
6:46
+0:06
Half
13.11 mi11:33:121:27:306:404:31
6:37
-0:09
25K
15.53 mi11:49:371:43:556:4116:25
6:46
+0:09
30K
18.64 mi12:11:252:05:436:4521:48
7:01
+0:15
20M
20.00 mi12:20:592:15:176:469:34
7:02
+0:01
21M
21.00 mi12:28:232:22:416:487:24
7:24
+0:22
35K
21.75 mi12:33:242:27:426:475:01
6:42
-0:42
23M
23.00 mi12:42:022:36:206:488:38
6:54
+0:12
24M
24.00 mi12:48:382:42:566:476:36
6:36
-0:18
40K
24.85 mi12:54:292:48:476:475:51
6:51
+0:15
25.2M
25.20 mi12:57:042:51:226:482:35
7:29
+0:38
Finish
26.22 mi13:03:492:58:076:486:45
6:37
-0:52

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

6:36 /mi

Average Pace

6:48 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:08

94% of race

Time at Steady Pace

9:59

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:26:1620:346:3720:34
6:37
#4755
10K
6.21 mi10:46:5741:156:3820:41
6:39
#4802
15K
9.32 mi11:07:411:01:596:3920:44
6:40
#4794
20K
12.43 mi11:28:411:22:596:4121:00
6:46
#4797
Half
13.11 mi11:33:121:27:306:404:31
6:37
#4764
25K
15.53 mi11:49:371:43:556:4116:25
6:46
#4706
30K
18.64 mi12:11:252:05:436:4521:48
7:01
#4685
20M
20.00 mi12:20:592:15:176:469:34
7:02
#4632
21M
21.00 mi12:28:232:22:416:487:24
7:24
#4566
35K
21.75 mi12:33:242:27:426:475:01
6:42
#4490
23M
23.00 mi12:42:022:36:206:488:38
6:54
#4359
24M
24.00 mi12:48:382:42:566:476:36
6:36
#4211
40K
24.85 mi12:54:292:48:476:475:51
6:51
#4145
25.2M
25.20 mi12:57:042:51:226:482:35
7:29
#4127
Finish
26.22 mi13:03:492:58:076:486:45
6:37
#4067
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4755445644564828(Top 17%)4502(Top 28%)4502(Top 200%)
10K6.21 mi3.10 mi4802-474490-344490-344930(Top 17%)4600(Top 29%)4600(Top 205%)
15K9.32 mi3.11 mi4794+84483+74483+74828(Top 17%)4502(Top 28%)4502(Top 200%)
20K12.43 mi3.11 mi4797-34474+94474+94903(Top 17%)4531(Top 28%)4531(Top 202%)
Half13.11 mi0.68 mi4764+334443+314443+314517(Top 16%)4210(Top 26%)4210(Top 187%)
25K15.53 mi2.42 mi4706+584385+584385+584629(Top 16%)4266(Top 26%)4266(Top 190%)
30K18.64 mi3.11 mi4685+214350+354350+354776(Top 17%)4351(Top 27%)4351(Top 194%)
20M20.00 mi1.36 mi4632+534295+554295+554321(Top 15%)3936(Top 24%)3936(Top 175%)
21M21.00 mi1.00 mi4566+664236+594236+594096(Top 14%)3694(Top 23%)3694(Top 164%)
35K21.75 mi0.75 mi4490+764161+754161+753511(Top 12%)3184(Top 20%)3184(Top 142%)
23M23.00 mi1.25 mi4359+1314036+1254036+1253181(Top 11%)2901(Top 18%)2901(Top 129%)
24M24.00 mi1.00 mi4211+1483897+1393897+1392490(Top 9%)2294(Top 14%)2294(Top 102%)
40K24.85 mi0.85 mi4145+663829+683829+683037(Top 11%)2733(Top 17%)2733(Top 122%)
25.2M25.20 mi0.35 mi4127+183811+183811+183319(Top 12%)2909(Top 18%)2909(Top 129%)
Finish26.22 mi1.02 mi4067+603756+553756+553446(Top 12%)3015(Top 19%)3015(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4828

Males

4502

M40-44

4502

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4930

Males

4600

M40-44

4600

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4828

Males

4502

M40-44

4502

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4903

Males

4531

M40-44

4531

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4517

Males

4210

M40-44

4210

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4629

Males

4266

M40-44

4266

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4776

Males

4351

M40-44

4351

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4321

Males

3936

M40-44

3936

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4096

Males

3694

M40-44

3694

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3511

Males

3184

M40-44

3184

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3181

Males

2901

M40-44

2901

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2490

Males

2294

M40-44

2294

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3037

Males

2733

M40-44

2733

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3319

Males

2909

M40-44

2909

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3446

Males

3015

M40-44

3015

Passing Analysis

Category:
Athletes Passed
1500
Passed By
812
Net Change
+688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4755
5K → 10K140187-47#4755#4802
10K → 15K118110+8#4802#4794
15K → 20K131134-3#4794#4797
20K → Half429+33#4797#4764
Half → 25K13274+58#4764#4706
25K → 30K161140+21#4706#4685
30K → 20M10047+53#4685#4632
20M → 21M10438+66#4632#4566
21M → 35K8711+76#4566#4490
35K → 23M14413+131#4490#4359
23M → 24M1524+148#4359#4211
24M → 40K7610+66#4211#4145
40K → 25.2M3416+18#4145#4127
25.2M → Finish7919+60#4127#4067
TOTALS1500812+688
📊

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