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BOSTON MARATHON 2025

Alex Weselcouch

Bib: 3057•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
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
20:48
Rank: #5409
Start → 5K
20:48 | 6:42/mi
10K· 6.21 mi
41:55
Rank: #5796 (-387)
5K → 10K
21:07 | 6:48/mi
15K· 9.32 mi
1:03:13
Rank: #6029 (-233)
10K → 15K
21:18 | 6:51/mi
20K· 12.43 mi
1:24:54
Rank: #6243 (-214)
15K → 20K
21:41 | 6:59/mi
Half· 13.11 mi
1:29:37
Rank: #6289 (-46)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:47:12
Rank: #6577 (-288)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:10:47
Rank: #6776 (-199)
25K → 30K
23:35 | 7:35/mi
20M
2:21:27
Rank: #6854 (-78)
30K → 20M
10:40 | 7:51/mi
21M
2:29:43
Rank: #6909 (-55)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:35:47
Rank: #7082 (-173)
21M → 35K
6:04 | 8:07/mi
23M
2:46:10
Rank: #7281 (-199)
35K → 23M
10:23 | 8:18/mi
24M
2:54:47
Rank: #7603 (-322)
23M → 24M
8:37 | 8:37/mi
40K· 24.85 mi
3:02:13
Rank: #7824 (-221)
24M → 40K
7:26 | 8:42/mi
25.2M
3:05:30
Rank: #7940 (-116)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:14:17
Rank: #8319 (-379)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:37
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:44:40
Pace7:59 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0320:486:4220:48
6:42
-
10K
6.21 mi10:43:1041:556:4521:07
6:48
+0:06
15K
9.32 mi11:04:281:03:136:4721:18
6:51
+0:03
20K
12.43 mi11:26:091:24:546:5021:41
6:59
+0:08
Half
13.11 mi11:30:521:29:376:504:43
6:55
-0:04
25K
15.53 mi11:48:271:47:126:5417:35
7:15
+0:20
30K
18.64 mi12:12:022:10:477:0123:35
7:35
+0:20
20M
20.00 mi12:22:422:21:277:0410:40
7:51
+0:16
21M
21.00 mi12:30:582:29:437:088:16
8:16
+0:25
35K
21.75 mi12:37:022:35:477:106:04
8:07
-0:09
23M
23.00 mi12:47:252:46:107:1310:23
8:18
+0:11
24M
24.00 mi12:56:022:54:477:178:37
8:37
+0:19
40K
24.85 mi13:03:283:02:137:207:26
8:42
+0:05
25.2M
25.20 mi13:06:453:05:307:223:17
9:31
+0:49
Finish
26.22 mi13:15:323:14:177:258:47
8:37
-0:54

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

6:42 /mi

Average Pace

7:25 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:12

55% of race

Time at Steady Pace

48:35

25% of race

Time at Slower Pace

38:30

20% of race

Average Pace: 7:25 /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 mi10:22:0320:486:4220:48
6:42
#5409
10K
6.21 mi10:43:1041:556:4521:07
6:48
#5796
15K
9.32 mi11:04:281:03:136:4721:18
6:51
#6029
20K
12.43 mi11:26:091:24:546:5021:41
6:59
#6243
Half
13.11 mi11:30:521:29:376:504:43
6:55
#6289
25K
15.53 mi11:48:271:47:126:5417:35
7:15
#6577
30K
18.64 mi12:12:022:10:477:0123:35
7:35
#6776
20M
20.00 mi12:22:422:21:277:0410:40
7:51
#6854
21M
21.00 mi12:30:582:29:437:088:16
8:16
#6909
35K
21.75 mi12:37:022:35:477:106:04
8:07
#7082
23M
23.00 mi12:47:252:46:107:1310:23
8:18
#7281
24M
24.00 mi12:56:022:54:477:178:37
8:37
#7603
40K
24.85 mi13:03:283:02:137:207:26
8:42
#7824
25.2M
25.20 mi13:06:453:05:307:223:17
9:31
#7940
Finish
26.22 mi13:15:323:14:177:258:47
8:37
#8319
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5409502650266648(Top 23%)5986(Top 37%)5986(Top 106%)
10K6.21 mi3.10 mi5796-3875342-3165342-3166363(Top 22%)5772(Top 36%)5772(Top 102%)
15K9.32 mi3.11 mi6029-2335521-1795521-1796648(Top 23%)5986(Top 37%)5986(Top 106%)
20K12.43 mi3.11 mi6243-2145676-1555676-1556752(Top 24%)6017(Top 37%)6017(Top 107%)
Half13.11 mi0.68 mi6289-465708-325708-327007(Top 25%)6227(Top 39%)6227(Top 110%)
25K15.53 mi2.42 mi6577-2885929-2215929-2217993(Top 28%)6762(Top 42%)6762(Top 120%)
30K18.64 mi3.11 mi6776-1996038-1096038-1098373(Top 29%)6808(Top 42%)6808(Top 121%)
20M20.00 mi1.36 mi6854-786075-376075-379343(Top 33%)7170(Top 45%)7170(Top 127%)
21M21.00 mi1.00 mi6909-556095-206095-208983(Top 32%)6802(Top 42%)6802(Top 121%)
35K21.75 mi0.75 mi7082-1736190-956190-9512932(Top 46%)8756(Top 54%)8756(Top 155%)
23M23.00 mi1.25 mi7281-1996278-886278-8811977(Top 42%)8215(Top 51%)8215(Top 146%)
24M24.00 mi1.00 mi7603-3226458-1806458-18015216(Top 54%)9669(Top 60%)9669(Top 171%)
40K24.85 mi0.85 mi7824-2216563-1056563-10514539(Top 51%)9228(Top 57%)9228(Top 164%)
25.2M25.20 mi0.35 mi7940-1166624-616624-6114599(Top 51%)9192(Top 57%)9192(Top 163%)
Finish26.22 mi1.02 mi8319-3796819-1956819-19516916(Top 60%)10340(Top 64%)10340(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6648

Males

5986

M18-39

5986

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6363

Males

5772

M18-39

5772

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6648

Males

5986

M18-39

5986

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6752

Males

6017

M18-39

6017

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7007

Males

6227

M18-39

6227

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7993

Males

6762

M18-39

6762

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8373

Males

6808

M18-39

6808

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9343

Males

7170

M18-39

7170

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8983

Males

6802

M18-39

6802

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12932

Males

8756

M18-39

8756

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11977

Males

8215

M18-39

8215

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15216

Males

9669

M18-39

9669

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

14539

Males

9228

M18-39

9228

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14599

Males

9192

M18-39

9192

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

16916

Males

10340

M18-39

10340

Passing Analysis

Category:
Athletes Passed
688
Passed By
3598
Net Change
-2910
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5409
5K → 10K54441-387#5409#5796
10K → 15K78311-233#5796#6029
15K → 20K94308-214#6029#6243
20K → Half1359-46#6243#6289
Half → 25K61349-288#6289#6577
25K → 30K115314-199#6577#6776
30K → 20M70148-78#6776#6854
20M → 21M73128-55#6854#6909
21M → 35K20193-173#6909#7082
35K → 23M43242-199#7082#7281
23M → 24M13335-322#7281#7603
24M → 40K28249-221#7603#7824
40K → 25.2M14130-116#7824#7940
25.2M → Finish12391-379#7940#8319
TOTALS6883598-2910
📊

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