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BOSTON MARATHON 2025

Ruaridh Welsh

Bib: 32174•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
25:49
Rank: #18772
Start → 5K
25:49 | 8:19/mi
10K· 6.21 mi
50:49
Rank: #17820 (+952)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:16:12
Rank: #17600 (+220)
10K → 15K
25:23 | 8:10/mi
20K· 12.43 mi
1:42:05
Rank: #17431 (+169)
15K → 20K
25:53 | 8:20/mi
Half· 13.11 mi
1:47:48
Rank: #17488 (-57)
20K → Half
5:43 | 8:23/mi
25K· 15.53 mi
2:08:45
Rank: #17524 (-36)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:38:03
Rank: #17959 (-435)
25K → 30K
29:18 | 9:26/mi
20M
2:51:35
Rank: #18293 (-334)
30K → 20M
13:32 | 9:58/mi
21M
3:02:14
Rank: #18472 (-179)
20M → 21M
10:39 | 10:39/mi
35K· 21.75 mi
3:09:31
Rank: #18629 (-157)
21M → 35K
7:17 | 9:44/mi
23M
3:22:06
Rank: #18796 (-167)
35K → 23M
12:35 | 10:03/mi
24M
3:31:42
Rank: #18877 (-81)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:40:26
Rank: #18979 (-102)
24M → 40K
8:44 | 10:13/mi
25.2M
3:44:04
Rank: #18991 (-12)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:53:19
Rank: #18997 (-6)
25.2M → Finish
9:15 | 9:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:48
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:05:31
Pace9:34 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2925:498:1925:49
8:19
-
10K
6.21 mi12:14:2950:498:1125:00
8:03
-0:16
15K
9.32 mi12:39:521:16:128:1125:23
8:10
+0:07
20K
12.43 mi13:05:451:42:058:1325:53
8:20
+0:10
Half
13.11 mi13:11:281:47:488:135:43
8:23
+0:03
25K
15.53 mi13:32:252:08:458:1720:57
8:38
+0:15
30K
18.64 mi14:01:432:38:038:2929:18
9:26
+0:48
20M
20.00 mi14:15:152:51:358:3513:32
9:58
+0:32
21M
21.00 mi14:25:543:02:148:4110:39
10:39
+0:41
35K
21.75 mi14:33:113:09:318:437:17
9:44
-0:55
23M
23.00 mi14:45:463:22:068:4712:35
10:03
+0:19
24M
24.00 mi14:55:223:31:428:499:36
9:36
-0:27
40K
24.85 mi15:04:063:40:268:528:44
10:13
+0:37
25.2M
25.20 mi15:07:443:44:048:533:38
10:32
+0:19
Finish
26.22 mi15:16:593:53:198:549:15
9:05
-1:27

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

8:03 /mi

Average Pace

8:54 /mi

Slowest Pace

10:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:45

55% of race

Time at Steady Pace

55:26

24% of race

Time at Slower Pace

49:08

21% of race

Average Pace: 8:54 /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 mi11:49:2925:498:1925:49
8:19
#18772
10K
6.21 mi12:14:2950:498:1125:00
8:03
#17820
15K
9.32 mi12:39:521:16:128:1125:23
8:10
#17600
20K
12.43 mi13:05:451:42:058:1325:53
8:20
#17431
Half
13.11 mi13:11:281:47:488:135:43
8:23
#17488
25K
15.53 mi13:32:252:08:458:1720:57
8:38
#17524
30K
18.64 mi14:01:432:38:038:2929:18
9:26
#17959
20M
20.00 mi14:15:152:51:358:3513:32
9:58
#18293
21M
21.00 mi14:25:543:02:148:4110:39
10:39
#18472
35K
21.75 mi14:33:113:09:318:437:17
9:44
#18629
23M
23.00 mi14:45:463:22:068:4712:35
10:03
#18796
24M
24.00 mi14:55:223:31:428:499:36
9:36
#18877
40K
24.85 mi15:04:063:40:268:528:44
10:13
#18979
25.2M
25.20 mi15:07:443:44:048:533:38
10:32
#18991
Finish
26.22 mi15:16:593:53:198:549:15
9:05
#18997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18772119371193717199(Top 61%)11302(Top 70%)11302(Top 200%)
10K6.21 mi3.10 mi17820+95211546+39111546+39116814(Top 59%)11172(Top 69%)11172(Top 198%)
15K9.32 mi3.11 mi17600+22011470+7611470+7617199(Top 61%)11302(Top 70%)11302(Top 200%)
20K12.43 mi3.11 mi17431+16911389+8111389+8117106(Top 60%)11231(Top 70%)11231(Top 199%)
Half13.11 mi0.68 mi17488-5711408-1911408-1918446(Top 65%)11808(Top 73%)11808(Top 209%)
25K15.53 mi2.42 mi17524-3611400+811400+818042(Top 64%)11543(Top 72%)11543(Top 205%)
30K18.64 mi3.11 mi17959-43511530-13011530-13019656(Top 69%)12128(Top 75%)12128(Top 215%)
20M20.00 mi1.36 mi18293-33411662-13211662-13220790(Top 73%)12487(Top 78%)12487(Top 221%)
21M21.00 mi1.00 mi18472-17911713-5111713-5120428(Top 72%)12229(Top 76%)12229(Top 217%)
35K21.75 mi0.75 mi18629-15711770-5711770-5721098(Top 74%)12486(Top 78%)12486(Top 221%)
23M23.00 mi1.25 mi18796-16711808-3811808-3820645(Top 73%)12214(Top 76%)12214(Top 216%)
24M24.00 mi1.00 mi18877-8111821-1311821-1319971(Top 70%)11854(Top 74%)11854(Top 210%)
40K24.85 mi0.85 mi18979-10211839-1811839-1821097(Top 74%)12326(Top 77%)12326(Top 218%)
25.2M25.20 mi0.35 mi18991-1211833+611833+619103(Top 67%)11361(Top 71%)11361(Top 201%)
Finish26.22 mi1.02 mi18997-611818+1511818+1519400(Top 68%)11534(Top 72%)11534(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17199

Males

11302

M18-39

11302

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16814

Males

11172

M18-39

11172

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17199

Males

11302

M18-39

11302

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

17106

Males

11231

M18-39

11231

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

18446

Males

11808

M18-39

11808

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

18042

Males

11543

M18-39

11543

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19656

Males

12128

M18-39

12128

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20790

Males

12487

M18-39

12487

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20428

Males

12229

M18-39

12229

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

21098

Males

12486

M18-39

12486

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

20645

Males

12214

M18-39

12214

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19971

Males

11854

M18-39

11854

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21097

Males

12326

M18-39

12326

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19103

Males

11361

M18-39

11361

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19400

Males

11534

M18-39

11534

Passing Analysis

Category:
Athletes Passed
2227
Passed By
2452
Net Change
-225
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18772
5K → 10K99745+952#18772#17820
10K → 15K31292+220#17820#17600
15K → 20K271102+169#17600#17431
20K → Half1370-57#17431#17488
Half → 25K161197-36#17488#17524
25K → 30K109544-435#17524#17959
30K → 20M48382-334#17959#18293
20M → 21M56235-179#18293#18472
21M → 35K26183-157#18472#18629
35K → 23M65232-167#18629#18796
23M → 24M42123-81#18796#18877
24M → 40K50152-102#18877#18979
40K → 25.2M2739-12#18979#18991
25.2M → Finish5056-6#18991#18997
TOTALS22272452-225
📊

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