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BOSTON MARATHON 2025

Peter Welch Jr

Bib: 31316•M

MA

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0:00
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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
26:01
Rank: #19156
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
52:02
Rank: #19085 (+71)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:48
Rank: #19375 (-290)
10K → 15K
26:46 | 8:37/mi
20K· 12.43 mi
1:46:24
Rank: #19662 (-287)
15K → 20K
27:36 | 8:53/mi
Half· 13.11 mi
1:52:29
Rank: #19759 (-97)
20K → Half
6:05 | 8:55/mi
25K· 15.53 mi
2:15:48
Rank: #20307 (-548)
Half → 25K
23:19 | 9:37/mi
30K· 18.64 mi
2:47:14
Rank: #20733 (-426)
25K → 30K
31:26 | 10:07/mi
20M
3:01:11
Rank: #20846 (-113)
30K → 20M
13:57 | 10:16/mi
21M
3:12:05
Rank: #20856 (-10)
20M → 21M
10:54 | 10:54/mi
35K· 21.75 mi
3:19:26
Rank: #20901 (-45)
21M → 35K
7:21 | 9:49/mi
23M
3:32:34
Rank: #20995 (-94)
35K → 23M
13:08 | 10:29/mi
24M
3:42:38
Rank: #21028 (-33)
23M → 24M
10:04 | 10:04/mi
40K· 24.85 mi
3:51:26
Rank: #21053 (-25)
24M → 40K
8:48 | 10:18/mi
25.2M
3:55:27
Rank: #21074 (-21)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:05:38
Rank: #21141 (-67)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:13:09
Pace10:09 /mi
📊Positive Split: 18.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4426:018:2226:01
8:22
-
10K
6.21 mi12:17:4552:028:2226:01
8:22
0:00
15K
9.32 mi12:44:311:18:488:2726:46
8:37
+0:15
20K
12.43 mi13:12:071:46:248:3427:36
8:53
+0:16
Half
13.11 mi13:18:121:52:298:356:05
8:55
+0:02
25K
15.53 mi13:41:312:15:488:4523:19
9:37
+0:42
30K
18.64 mi14:12:572:47:148:5831:26
10:07
+0:30
20M
20.00 mi14:26:543:01:119:0413:57
10:16
+0:09
21M
21.00 mi14:37:483:12:059:0910:54
10:54
+0:38
35K
21.75 mi14:45:093:19:269:107:21
9:49
-1:05
23M
23.00 mi14:58:173:32:349:1513:08
10:29
+0:40
24M
24.00 mi15:08:213:42:389:1710:04
10:04
-0:25
40K
24.85 mi15:17:093:51:269:198:48
10:18
+0:14
25.2M
25.20 mi15:21:103:55:279:214:01
11:39
+1:21
Finish
26.22 mi15:31:214:05:389:2310:11
10:00
-1:39

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

8:22 /mi

Average Pace

9:23 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:29

46% of race

Time at Steady Pace

1:45:06

43% of race

Time at Slower Pace

28:03

11% of race

Average Pace: 9:22 /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 mi11:51:4426:018:2226:01
8:22
#19156
10K
6.21 mi12:17:4552:028:2226:01
8:22
#19085
15K
9.32 mi12:44:311:18:488:2726:46
8:37
#19375
20K
12.43 mi13:12:071:46:248:3427:36
8:53
#19662
Half
13.11 mi13:18:121:52:298:356:05
8:55
#19759
25K
15.53 mi13:41:312:15:488:4523:19
9:37
#20307
30K
18.64 mi14:12:572:47:148:5831:26
10:07
#20733
20M
20.00 mi14:26:543:01:119:0413:57
10:16
#20846
21M
21.00 mi14:37:483:12:059:0910:54
10:54
#20856
35K
21.75 mi14:45:093:19:269:107:21
9:49
#20901
23M
23.00 mi14:58:173:32:349:1513:08
10:29
#20995
24M
24.00 mi15:08:213:42:389:1710:04
10:04
#21028
40K
24.85 mi15:17:093:51:269:198:48
10:18
#21053
25.2M
25.20 mi15:21:103:55:279:214:01
11:39
#21074
Finish
26.22 mi15:31:214:05:389:2310:11
10:00
#21141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19156121071210720005(Top 70%)12508(Top 78%)12508(Top 222%)
10K6.21 mi3.10 mi19085+7112080+2712080+2719027(Top 67%)12077(Top 75%)12077(Top 214%)
15K9.32 mi3.11 mi19375-29012211-13112211-13120005(Top 70%)12508(Top 78%)12508(Top 222%)
20K12.43 mi3.11 mi19662-28712326-11512326-11520377(Top 72%)12625(Top 78%)12625(Top 224%)
Half13.11 mi0.68 mi19759-9712363-3712363-3721446(Top 76%)13102(Top 81%)13102(Top 232%)
25K15.53 mi2.42 mi20307-54812587-22412587-22422239(Top 78%)13397(Top 83%)13397(Top 237%)
30K18.64 mi3.11 mi20733-42612729-14212729-14221951(Top 77%)13138(Top 82%)13138(Top 233%)
20M20.00 mi1.36 mi20846-11312770-4112770-4121747(Top 77%)12929(Top 80%)12929(Top 229%)
21M21.00 mi1.00 mi20856-1012758+1212758+1221119(Top 74%)12555(Top 78%)12555(Top 223%)
35K21.75 mi0.75 mi20901-4512763-512763-521378(Top 75%)12611(Top 78%)12611(Top 224%)
23M23.00 mi1.25 mi20995-9412779-1612779-1621989(Top 77%)12870(Top 80%)12870(Top 228%)
24M24.00 mi1.00 mi21028-3312770+912770+921531(Top 76%)12605(Top 78%)12605(Top 223%)
40K24.85 mi0.85 mi21053-2512769+112769+121344(Top 75%)12446(Top 77%)12446(Top 221%)
25.2M25.20 mi0.35 mi21074-2112768+112768+122413(Top 79%)12991(Top 81%)12991(Top 230%)
Finish26.22 mi1.02 mi21141-6712784-1612784-1622910(Top 81%)13226(Top 82%)13226(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

20005

Males

12508

M18-39

12508

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19027

Males

12077

M18-39

12077

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

20005

Males

12508

M18-39

12508

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20377

Males

12625

M18-39

12625

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

21446

Males

13102

M18-39

13102

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22239

Males

13397

M18-39

13397

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

21951

Males

13138

M18-39

13138

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21747

Males

12929

M18-39

12929

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

21119

Males

12555

M18-39

12555

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21378

Males

12611

M18-39

12611

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21989

Males

12870

M18-39

12870

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21531

Males

12605

M18-39

12605

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21344

Males

12446

M18-39

12446

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22413

Males

12991

M18-39

12991

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22910

Males

13226

M18-39

13226

Passing Analysis

Category:
Athletes Passed
1070
Passed By
3055
Net Change
-1985
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19156
5K → 10K296225+71#19156#19085
10K → 15K104394-290#19085#19375
15K → 20K114401-287#19375#19662
20K → Half11108-97#19662#19759
Half → 25K47595-548#19759#20307
25K → 30K113539-426#20307#20733
30K → 20M71184-113#20733#20846
20M → 21M8999-10#20846#20856
21M → 35K3984-45#20856#20901
35K → 23M61155-94#20901#20995
23M → 24M4881-33#20995#21028
24M → 40K3661-25#21028#21053
40K → 25.2M1839-21#21053#21074
25.2M → Finish2390-67#21074#21141
TOTALS10703055-1985
📊

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