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BOSTON MARATHON 2025

Dominic Clucas

Bib: 6125•M

MO

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:49/mi
24:16
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:13:28
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:37:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:42:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
2:01:27
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:25:38
↑ 181↓ 1480.2%
20M
7:53/mi
2:36:21
↑ 64↓ 500.2%
21M
8:11/mi
2:44:32
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:50:17
↑ 17↓ 861.7%
23M
7:50/mi
3:00:05
↑ 23↓ 630.6%
24M
7:37/mi
3:07:42
↓ 821.3%
40K· 24.85 mi
7:42/mi
3:14:17
↓ 200.3%
25.2M
7:53/mi
3:17:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:32/mi
3:23:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:41
Pace7:50 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:58
Pace7:42 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:2424:167:4924:16
7:49
-
10K
6.21 mi11:20:4748:397:5024:23
7:51
+0:02
15K
9.32 mi11:45:361:13:287:5324:49
7:59
+0:08
20K
12.43 mi12:09:271:37:197:5023:51
7:41
-0:18
Half
13.11 mi12:14:491:42:417:505:22
7:52
+0:11
25K
15.53 mi12:33:352:01:277:4918:46
7:44
-0:08
30K
18.64 mi12:57:462:25:387:4924:11
7:47
+0:03
20M
20.00 mi13:08:292:36:217:4910:43
7:53
+0:06
21M
21.00 mi13:16:402:44:327:508:11
8:11
+0:18
35K
21.75 mi13:22:252:50:177:505:45
7:41
-0:30
23M
23.00 mi13:32:133:00:057:509:48
7:50
+0:09
24M
24.00 mi13:39:503:07:427:497:37
7:37
-0:13
40K
24.85 mi13:46:253:14:177:496:35
7:42
+0:05
25.2M
25.20 mi13:49:083:17:007:492:43
7:53
+0:11
Finish
26.22 mi13:55:473:23:397:466:39
6:32
-1:21

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

6:32 /mi

Average Pace

7:46 /mi

Slowest Pace

8:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:16

7% of race

Time at Steady Pace

3:01:12

89% of race

Time at Slower Pace

8:11

4% of race

Average Pace: 7:46 /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 mi10:56:2424:167:4924:16
7:49
#14885
10K
6.21 mi11:20:4748:397:5024:23
7:51
#15032
15K
9.32 mi11:45:361:13:287:5324:49
7:59
#15342
20K
12.43 mi12:09:271:37:197:5023:51
7:41
#14492
Half
13.11 mi12:14:491:42:417:505:22
7:52
#14496
25K
15.53 mi12:33:352:01:277:4918:46
7:44
#14028
30K
18.64 mi12:57:462:25:387:4924:11
7:47
#13191
20M
20.00 mi13:08:292:36:217:4910:43
7:53
#12879
21M
21.00 mi13:16:402:44:327:508:11
8:11
#12582
35K
21.75 mi13:22:252:50:177:505:45
7:41
#12451
23M
23.00 mi13:32:133:00:057:509:48
7:50
#12201
24M
24.00 mi13:39:503:07:427:497:37
7:37
#12008
40K
24.85 mi13:46:253:14:177:496:35
7:42
#11829
25.2M
25.20 mi13:49:083:17:007:492:43
7:53
#11690
Finish
26.22 mi13:55:473:23:397:466:39
6:32
#11222
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14885103831038315931(Top 56%)10771(Top 67%)10771(Top 191%)
10K6.21 mi3.10 mi15032-14710417-3410417-3415222(Top 54%)10500(Top 65%)10500(Top 186%)
15K9.32 mi3.11 mi15342-31010540-12310540-12315931(Top 56%)10771(Top 67%)10771(Top 191%)
20K12.43 mi3.11 mi14492+85010165+37510165+37512181(Top 43%)9049(Top 56%)9049(Top 160%)
Half13.11 mi0.68 mi14496-410157+810157+814721(Top 52%)10196(Top 63%)10196(Top 181%)
25K15.53 mi2.42 mi14028+4689923+2349923+23411846(Top 42%)8774(Top 54%)8774(Top 156%)
30K18.64 mi3.11 mi13191+8379492+4319492+4319810(Top 35%)7590(Top 47%)7590(Top 135%)
20M20.00 mi1.36 mi12879+3129330+1629330+1629618(Top 34%)7331(Top 46%)7331(Top 130%)
21M21.00 mi1.00 mi12582+2979169+1619169+1618476(Top 30%)6536(Top 41%)6536(Top 116%)
35K21.75 mi0.75 mi12451+1319084+859084+859951(Top 35%)7351(Top 46%)7351(Top 130%)
23M23.00 mi1.25 mi12201+2508928+1568928+1568777(Top 31%)6602(Top 41%)6602(Top 117%)
24M24.00 mi1.00 mi12008+1938800+1288800+1288532(Top 30%)6408(Top 40%)6408(Top 114%)
40K24.85 mi0.85 mi11829+1798681+1198681+1198080(Top 28%)6042(Top 38%)6042(Top 107%)
25.2M25.20 mi0.35 mi11690+1398604+778604+775329(Top 19%)4350(Top 27%)4350(Top 77%)
Finish26.22 mi1.02 mi11222+4688325+2798325+2792975(Top 10%)2656(Top 16%)2656(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15931

Males

10771

M18-39

10771

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

15222

Males

10500

M18-39

10500

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15931

Males

10771

M18-39

10771

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12181

Males

9049

M18-39

9049

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14721

Males

10196

M18-39

10196

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11846

Males

8774

M18-39

8774

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9810

Males

7590

M18-39

7590

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9618

Males

7331

M18-39

7331

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8476

Males

6536

M18-39

6536

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9951

Males

7351

M18-39

7351

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8777

Males

6602

M18-39

6602

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8532

Males

6408

M18-39

6408

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

8080

Males

6042

M18-39

6042

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5329

Males

4350

M18-39

4350

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2975

Males

2656

M18-39

2656

Passing Analysis

Category:
Athletes Passed
4568
Passed By
905
Net Change
+3663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14885
5K → 10K225372-147#14885#15032
10K → 15K124434-310#15032#15342
15K → 20K8500+850#15342#14492
20K → Half3842-4#14492#14496
Half → 25K4757+468#14496#14028
25K → 30K8425+837#14028#13191
30K → 20M3164+312#13191#12879
20M → 21M2992+297#12879#12582
21M → 35K14312+131#12582#12451
35K → 23M2588+250#12451#12201
23M → 24M2029+193#12201#12008
24M → 40K1889+179#12008#11829
40K → 25.2M1401+139#11829#11690
25.2M → Finish4680+468#11690#11222
TOTALS4568905+3663
📊

Passing Visuals

Category:
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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