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BOSTON MARATHON 2025

Adam Pacheck

Bib: 377•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:23
Rank: #2074
Start → 5K
19:23 | 6:14/mi
10K· 6.21 mi
38:32
Rank: #1872 (+202)
5K → 10K
19:09 | 6:10/mi
15K· 9.32 mi
58:20
Rank: #2144 (-272)
10K → 15K
19:48 | 6:22/mi
20K· 12.43 mi
1:17:39
Rank: #1981 (+163)
15K → 20K
19:19 | 6:13/mi
Half· 13.11 mi
1:21:49
Rank: #1957 (+24)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:45
Rank: #1820 (+137)
Half → 25K
14:56 | 6:10/mi
30K· 18.64 mi
1:55:53
Rank: #1562 (+258)
25K → 30K
19:08 | 6:10/mi
20M
2:04:40
Rank: #1520 (+42)
30K → 20M
8:47 | 6:28/mi
21M
2:10:56
Rank: #1394 (+126)
20M → 21M
6:16 | 6:16/mi
35K· 21.75 mi
2:15:24
Rank: #1343 (+51)
21M → 35K
4:28 | 5:58/mi
23M
2:23:06
Rank: #1249 (+94)
35K → 23M
7:42 | 6:09/mi
24M
2:28:56
Rank: #1163 (+86)
23M → 24M
5:50 | 5:50/mi
40K· 24.85 mi
2:34:22
Rank: #1142 (+21)
24M → 40K
5:26 | 6:21/mi
25.2M
2:36:49
Rank: #1145 (-3)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:43:41
Rank: #1210 (-65)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:21:49
Pace6:14 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:21:52
Pace6:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0519:236:1419:23
6:14
-
10K
6.21 mi10:39:1438:326:1219:09
6:10
-0:04
15K
9.32 mi10:59:0258:206:1619:48
6:22
+0:12
20K
12.43 mi11:18:211:17:396:1519:19
6:13
-0:09
Half
13.11 mi11:22:311:21:496:144:10
6:06
-0:07
25K
15.53 mi11:37:271:36:456:1414:56
6:10
+0:04
30K
18.64 mi11:56:351:55:536:1319:08
6:10
0:00
20M
20.00 mi12:05:222:04:406:148:47
6:28
+0:18
21M
21.00 mi12:11:382:10:566:146:16
6:16
-0:12
35K
21.75 mi12:16:062:15:246:144:28
5:58
-0:18
23M
23.00 mi12:23:482:23:066:137:42
6:09
+0:11
24M
24.00 mi12:29:382:28:566:125:50
5:50
-0:19
40K
24.85 mi12:35:042:34:226:135:26
6:21
+0:31
25.2M
25.20 mi12:37:312:36:496:132:27
7:06
+0:45
Finish
26.22 mi12:44:232:43:416:156:52
6:44
-0:22

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

5:50 /mi

Average Pace

6:15 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

10:18

6% of race

Time at Steady Pace

1:55:29

71% of race

Time at Slower Pace

37:54

23% of race

Average Pace: 6:15 /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 mi10:20:0519:236:1419:23
6:14
#2074
10K
6.21 mi10:39:1438:326:1219:09
6:10
#1872
15K
9.32 mi10:59:0258:206:1619:48
6:22
#2144
20K
12.43 mi11:18:211:17:396:1519:19
6:13
#1981
Half
13.11 mi11:22:311:21:496:144:10
6:06
#1957
25K
15.53 mi11:37:271:36:456:1414:56
6:10
#1820
30K
18.64 mi11:56:351:55:536:1319:08
6:10
#1562
20M
20.00 mi12:05:222:04:406:148:47
6:28
#1520
21M
21.00 mi12:11:382:10:566:146:16
6:16
#1394
35K
21.75 mi12:16:062:15:246:144:28
5:58
#1343
23M
23.00 mi12:23:482:23:066:137:42
6:09
#1249
24M
24.00 mi12:29:382:28:566:125:50
5:50
#1163
40K
24.85 mi12:35:042:34:226:135:26
6:21
#1142
25.2M
25.20 mi12:37:312:36:496:132:27
7:06
#1145
Finish
26.22 mi12:44:232:43:416:156:52
6:44
#1210
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2074197619762757(Top 10%)2624(Top 16%)2624(Top 47%)
10K6.21 mi3.10 mi1872+2021781+1951781+1951731(Top 6%)1647(Top 10%)1647(Top 29%)
15K9.32 mi3.11 mi2144-2722047-2662047-2662757(Top 10%)2624(Top 16%)2624(Top 47%)
20K12.43 mi3.11 mi1981+1631891+1561891+1561638(Top 6%)1556(Top 10%)1556(Top 28%)
Half13.11 mi0.68 mi1957+241867+241867+241541(Top 5%)1464(Top 9%)1464(Top 26%)
25K15.53 mi2.42 mi1820+1371732+1351732+1351300(Top 5%)1231(Top 8%)1231(Top 22%)
30K18.64 mi3.11 mi1562+2581479+2531479+253813(Top 3%)762(Top 5%)762(Top 14%)
20M20.00 mi1.36 mi1520+421439+401439+401473(Top 5%)1391(Top 9%)1391(Top 25%)
21M21.00 mi1.00 mi1394+1261316+1231316+123338(Top 1%)318(Top 2%)318(Top 6%)
35K21.75 mi0.75 mi1343+511267+491267+49686(Top 2%)643(Top 4%)643(Top 11%)
23M23.00 mi1.25 mi1249+941176+911176+91577(Top 2%)544(Top 3%)544(Top 10%)
24M24.00 mi1.00 mi1163+861097+791097+79316(Top 1%)294(Top 2%)294(Top 5%)
40K24.85 mi0.85 mi1142+211075+221075+221100(Top 4%)1029(Top 6%)1029(Top 18%)
25.2M25.20 mi0.35 mi1145-31078-31078-31761(Top 6%)1600(Top 10%)1600(Top 28%)
Finish26.22 mi1.02 mi1210-651135-571135-574072(Top 14%)3475(Top 22%)3475(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2757

Males

2624

M18-39

2624

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1731

Males

1647

M18-39

1647

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2757

Males

2624

M18-39

2624

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1638

Males

1556

M18-39

1556

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1541

Males

1464

M18-39

1464

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1300

Males

1231

M18-39

1231

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

813

Males

762

M18-39

762

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1473

Males

1391

M18-39

1391

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

338

Males

318

M18-39

318

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

686

Males

643

M18-39

643

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

577

Males

544

M18-39

544

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

316

Males

294

M18-39

294

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1100

Males

1029

M18-39

1029

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1761

Males

1600

M18-39

1600

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4072

Males

3475

M18-39

3475

Passing Analysis

Category:
Athletes Passed
1308
Passed By
444
Net Change
+864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2074
5K → 10K23937+202#2074#1872
10K → 15K16288-272#1872#2144
15K → 20K1685+163#2144#1981
20K → Half284+24#1981#1957
Half → 25K1403+137#1957#1820
25K → 30K2591+258#1820#1562
30K → 20M5816+42#1562#1520
20M → 21M1271+126#1520#1394
21M → 35K532+51#1394#1343
35K → 23M940+94#1343#1249
23M → 24M871+86#1249#1163
24M → 40K287+21#1163#1142
40K → 25.2M36-3#1142#1145
25.2M → Finish873-65#1145#1210
TOTALS1308444+864
📊

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