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BOSTON MARATHON 2025

Andrew Mosco

Bib: 28129•M

NJ

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
26:49
Rank: #20639
Start → 5K
26:49 | 8:38/mi
10K· 6.21 mi
52:31
Rank: #19542 (+1097)
5K → 10K
25:42 | 8:16/mi
15K· 9.32 mi
1:16:57
Rank: #18135 (+1407)
10K → 15K
24:26 | 7:52/mi
20K· 12.43 mi
1:42:59
Rank: #17920 (+215)
15K → 20K
26:02 | 8:23/mi
Half· 13.11 mi
1:48:48
Rank: #17976 (-56)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:10:30
Rank: #18261 (-285)
Half → 25K
21:42 | 8:57/mi
30K· 18.64 mi
2:42:15
Rank: #19343 (-1082)
25K → 30K
31:45 | 10:13/mi
20M
2:56:08
Rank: #19592 (-249)
30K → 20M
13:53 | 10:13/mi
21M
3:05:38
Rank: #19381 (+211)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:13:46
Rank: #19675 (-294)
21M → 35K
8:08 | 10:52/mi
23M
3:26:56
Rank: #19900 (-225)
35K → 23M
13:10 | 10:31/mi
24M
3:36:54
Rank: #19984 (-84)
23M → 24M
9:58 | 9:58/mi
40K· 24.85 mi
3:45:37
Rank: #20047 (-63)
24M → 40K
8:43 | 10:12/mi
25.2M
3:49:13
Rank: #20039 (+8)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:59:03
Rank: #20167 (-128)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:48
Pace8:18 /mi
2nd Half
Distance13.11 mi
Time2:10:15
Pace9:56 /mi
📊Positive Split: 19.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1226:498:3826:49
8:38
-
10K
6.21 mi12:09:5452:318:2725:42
8:16
-0:22
15K
9.32 mi12:34:201:16:578:1524:26
7:52
-0:24
20K
12.43 mi13:00:221:42:598:1726:02
8:23
+0:31
Half
13.11 mi13:06:111:48:488:185:49
8:32
+0:09
25K
15.53 mi13:27:532:10:308:2421:42
8:57
+0:25
30K
18.64 mi13:59:382:42:158:4231:45
10:13
+1:16
20M
20.00 mi14:13:312:56:088:4813:53
10:13
0:00
21M
21.00 mi14:23:013:05:388:509:30
9:30
-0:43
35K
21.75 mi14:31:093:13:468:558:08
10:52
+1:22
23M
23.00 mi14:44:193:26:569:0013:10
10:31
-0:21
24M
24.00 mi14:54:173:36:549:029:58
9:58
-0:33
40K
24.85 mi15:03:003:45:379:058:43
10:12
+0:14
25.2M
25.20 mi15:06:363:49:139:063:36
10:26
+0:14
Finish
26.22 mi15:16:263:59:039:079:50
9:39
-0:47

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

7:52 /mi

Average Pace

9:07 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:30

55% of race

Time at Steady Pace

29:18

12% of race

Time at Slower Pace

1:19:15

33% of race

Average Pace: 9:07 /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 mi11:44:1226:498:3826:49
8:38
#20639
10K
6.21 mi12:09:5452:318:2725:42
8:16
#19542
15K
9.32 mi12:34:201:16:578:1524:26
7:52
#18135
20K
12.43 mi13:00:221:42:598:1726:02
8:23
#17920
Half
13.11 mi13:06:111:48:488:185:49
8:32
#17976
25K
15.53 mi13:27:532:10:308:2421:42
8:57
#18261
30K
18.64 mi13:59:382:42:158:4231:45
10:13
#19343
20M
20.00 mi14:13:312:56:088:4813:53
10:13
#19592
21M
21.00 mi14:23:013:05:388:509:30
9:30
#19381
35K
21.75 mi14:31:093:13:468:558:08
10:52
#19675
23M
23.00 mi14:44:193:26:569:0013:10
10:31
#19900
24M
24.00 mi14:54:173:36:549:029:58
9:58
#19984
40K
24.85 mi15:03:003:45:379:058:43
10:12
#20047
25.2M
25.20 mi15:06:363:49:139:063:36
10:26
#20039
Finish
26.22 mi15:16:263:59:039:079:50
9:39
#20167
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20639127041270414950(Top 53%)10358(Top 64%)10358(Top 184%)
10K6.21 mi3.10 mi19542+109712279+42512279+42518369(Top 65%)11795(Top 73%)11795(Top 209%)
15K9.32 mi3.11 mi18135+140711673+60611673+60614950(Top 53%)10358(Top 64%)10358(Top 184%)
20K12.43 mi3.11 mi17920+21511582+9111582+9117431(Top 61%)11367(Top 71%)11367(Top 201%)
Half13.11 mi0.68 mi17976-5611603-2111603-2119340(Top 68%)12194(Top 76%)12194(Top 216%)
25K15.53 mi2.42 mi18261-28511705-10211705-10219678(Top 69%)12272(Top 76%)12272(Top 218%)
30K18.64 mi3.11 mi19343-108212133-42812133-42822223(Top 78%)13277(Top 82%)13277(Top 235%)
20M20.00 mi1.36 mi19592-24912224-9112224-9121606(Top 76%)12862(Top 80%)12862(Top 228%)
21M21.00 mi1.00 mi19381+21112103+12112103+12116073(Top 57%)10297(Top 64%)10297(Top 183%)
35K21.75 mi0.75 mi19675-29412221-11812221-11823935(Top 84%)13851(Top 86%)13851(Top 245%)
23M23.00 mi1.25 mi19900-22512281-6012281-6022048(Top 78%)12900(Top 80%)12900(Top 229%)
24M24.00 mi1.00 mi19984-8412298-1712298-1721251(Top 75%)12467(Top 77%)12467(Top 221%)
40K24.85 mi0.85 mi20047-6312310-1212310-1221050(Top 74%)12303(Top 76%)12303(Top 218%)
25.2M25.20 mi0.35 mi20039+812293+1712293+1718763(Top 66%)11207(Top 70%)11207(Top 199%)
Finish26.22 mi1.02 mi20167-12812348-5512348-5521710(Top 76%)12636(Top 78%)12636(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14950

Males

10358

M18-39

10358

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18369

Males

11795

M18-39

11795

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14950

Males

10358

M18-39

10358

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17431

Males

11367

M18-39

11367

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19340

Males

12194

M18-39

12194

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19678

Males

12272

M18-39

12272

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22223

Males

13277

M18-39

13277

30K→20M

18.6 - 20.0 mi

Top 76%
×5stories
+64ft-50ft

Overall

21606

Males

12862

M18-39

12862

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16073

Males

10297

M18-39

10297

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23935

Males

13851

M18-39

13851

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22048

Males

12900

M18-39

12900

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21251

Males

12467

M18-39

12467

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21050

Males

12303

M18-39

12303

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18763

Males

11207

M18-39

11207

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

21710

Males

12636

M18-39

12636

Passing Analysis

Category:
Athletes Passed
3446
Passed By
2974
Net Change
+472
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20639
5K → 10K112831+1097#20639#19542
10K → 15K14092+1407#19542#18135
15K → 20K29883+215#18135#17920
20K → Half2379-56#17920#17976
Half → 25K88373-285#17976#18261
25K → 30K461128-1082#18261#19343
30K → 20M47296-249#19343#19592
20M → 21M2198+211#19592#19381
21M → 35K8302-294#19381#19675
35K → 23M43268-225#19675#19900
23M → 24M41125-84#19900#19984
24M → 40K37100-63#19984#20047
40K → 25.2M3426+8#20047#20039
25.2M → Finish25153-128#20039#20167
TOTALS34462974+472
📊

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