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BOSTON MARATHON 2025

Ian Clarke

Bib: 19154•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 46%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M60-64)
#0 / 1259
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:07
Rank: #14467
Start → 5K
24:07 | 7:46/mi
10K· 6.21 mi
48:14
Rank: #14443 (+24)
5K → 10K
24:07 | 7:46/mi
15K· 9.32 mi
1:12:18
Rank: #14258 (+185)
10K → 15K
24:04 | 7:45/mi
20K· 12.43 mi
1:36:32
Rank: #13967 (+291)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:41:47
Rank: #13945 (+22)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:00:52
Rank: #13722 (+223)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:27:05
Rank: #13795 (-73)
25K → 30K
26:13 | 8:26/mi
20M
2:38:31
Rank: #13721 (+74)
30K → 20M
11:26 | 8:25/mi
21M
2:47:31
Rank: #13667 (+54)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:53:36
Rank: #13644 (+23)
21M → 35K
6:05 | 8:08/mi
23M
3:04:02
Rank: #13523 (+121)
35K → 23M
10:26 | 8:20/mi
24M
3:12:18
Rank: #13488 (+35)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:19:11
Rank: #13356 (+132)
24M → 40K
6:53 | 8:03/mi
25.2M
3:22:15
Rank: #13311 (+45)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:29:54
Rank: #13187 (+124)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:47
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:48:07
Pace8:15 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4024:077:4624:07
7:46
-
10K
6.21 mi11:38:4748:147:4624:07
7:46
0:00
15K
9.32 mi12:02:511:12:187:4524:04
7:45
-0:01
20K
12.43 mi12:27:051:36:327:4624:14
7:48
+0:03
Half
13.11 mi12:32:201:41:477:465:15
7:42
-0:06
25K
15.53 mi12:51:252:00:527:4719:05
7:52
+0:10
30K
18.64 mi13:17:382:27:057:5326:13
8:26
+0:34
20M
20.00 mi13:29:042:38:317:5611:26
8:25
-0:01
21M
21.00 mi13:38:042:47:317:599:00
9:00
+0:35
35K
21.75 mi13:44:092:53:367:596:05
8:08
-0:52
23M
23.00 mi13:54:353:04:028:0010:26
8:20
+0:12
24M
24.00 mi14:02:513:12:188:018:16
8:16
-0:04
40K
24.85 mi14:09:443:19:118:016:53
8:03
-0:13
25.2M
25.20 mi14:12:483:22:158:023:04
8:54
+0:51
Finish
26.22 mi14:20:273:29:548:017:39
7:30
-1:24

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

8:01 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:26

52% of race

Time at Steady Pace

32:03

15% of race

Time at Slower Pace

1:08:25

33% of race

Average Pace: 8:00 /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 mi11:14:4024:077:4624:07
7:46
#14467
10K
6.21 mi11:38:4748:147:4624:07
7:46
#14443
15K
9.32 mi12:02:511:12:187:4524:04
7:45
#14258
20K
12.43 mi12:27:051:36:327:4624:14
7:48
#13967
Half
13.11 mi12:32:201:41:477:465:15
7:42
#13945
25K
15.53 mi12:51:252:00:527:4719:05
7:52
#13722
30K
18.64 mi13:17:382:27:057:5326:13
8:26
#13795
20M
20.00 mi13:29:042:38:317:5611:26
8:25
#13721
21M
21.00 mi13:38:042:47:317:599:00
9:00
#13667
35K
21.75 mi13:44:092:53:367:596:05
8:08
#13644
23M
23.00 mi13:54:353:04:028:0010:26
8:20
#13523
24M
24.00 mi14:02:513:12:188:018:16
8:16
#13488
40K
24.85 mi14:09:443:19:118:016:53
8:03
#13356
25.2M
25.20 mi14:12:483:22:158:023:04
8:54
#13311
Finish
26.22 mi14:20:273:29:548:017:39
7:30
#13187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14467102271022713891(Top 49%)9899(Top 61%)9899(Top 786%)
10K6.21 mi3.10 mi14443+2410199+2810199+2814447(Top 51%)10186(Top 63%)10186(Top 809%)
15K9.32 mi3.11 mi14258+18510097+10210097+10213891(Top 49%)9899(Top 61%)9899(Top 786%)
20K12.43 mi3.11 mi13967+2919940+1579940+15713262(Top 47%)9537(Top 59%)9537(Top 758%)
Half13.11 mi0.68 mi13945+229927+139927+1313303(Top 47%)9603(Top 60%)9603(Top 763%)
25K15.53 mi2.42 mi13722+2239801+1269801+12612906(Top 45%)9253(Top 57%)9253(Top 735%)
30K18.64 mi3.11 mi13795-739765+369765+3614374(Top 51%)9764(Top 61%)9764(Top 776%)
20M20.00 mi1.36 mi13721+749705+609705+6013222(Top 47%)9088(Top 56%)9088(Top 722%)
21M21.00 mi1.00 mi13667+549643+629643+6213474(Top 47%)9088(Top 56%)9088(Top 722%)
35K21.75 mi0.75 mi13644+239616+279616+2713119(Top 46%)8855(Top 55%)8855(Top 703%)
23M23.00 mi1.25 mi13523+1219518+989518+9812229(Top 43%)8337(Top 52%)8337(Top 662%)
24M24.00 mi1.00 mi13488+359481+379481+3713007(Top 46%)8654(Top 54%)8654(Top 687%)
40K24.85 mi0.85 mi13356+1329395+869395+8610549(Top 37%)7334(Top 46%)7334(Top 583%)
25.2M25.20 mi0.35 mi13311+459361+349361+3411166(Top 39%)7572(Top 47%)7572(Top 601%)
Finish26.22 mi1.02 mi13187+1249286+759286+759237(Top 33%)6582(Top 41%)6582(Top 523%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13891

Males

9899

M60-64

9899

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14447

Males

10186

M60-64

10186

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13891

Males

9899

M60-64

9899

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13262

Males

9537

M60-64

9537

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13303

Males

9603

M60-64

9603

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

12906

Males

9253

M60-64

9253

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14374

Males

9764

M60-64

9764

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13222

Males

9088

M60-64

9088

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13474

Males

9088

M60-64

9088

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13119

Males

8855

M60-64

8855

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

12229

Males

8337

M60-64

8337

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

13007

Males

8654

M60-64

8654

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10549

Males

7334

M60-64

7334

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11166

Males

7572

M60-64

7572

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9237

Males

6582

M60-64

6582

Passing Analysis

Category:
Athletes Passed
2469
Passed By
1189
Net Change
+1280
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14467
5K → 10K296272+24#14467#14443
10K → 15K300115+185#14443#14258
15K → 20K36170+291#14258#13967
20K → Half5230+22#13967#13945
Half → 25K28663+223#13945#13722
25K → 30K219292-73#13722#13795
30K → 20M15177+74#13795#13721
20M → 21M12268+54#13721#13667
21M → 35K6744+23#13667#13644
35K → 23M17352+121#13644#13523
23M → 24M9762+35#13523#13488
24M → 40K14311+132#13488#13356
40K → 25.2M6217+45#13356#13311
25.2M → Finish14016+124#13311#13187
TOTALS24691189+1280
📊

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