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BOSTON MARATHON 2025

Joseph Salacki

Bib: 5363•M

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #3659
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
40:12
Rank: #3553 (+106)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
1:00:12
Rank: #3384 (+169)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:20:20
Rank: #3249 (+135)
15K → 20K
20:08 | 6:29/mi
Half· 13.11 mi
1:24:41
Rank: #3231 (+18)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:40:26
Rank: #3165 (+66)
Half → 25K
15:45 | 6:30/mi
30K· 18.64 mi
2:00:59
Rank: #2974 (+191)
25K → 30K
20:33 | 6:37/mi
20M
2:10:02
Rank: #2880 (+94)
30K → 20M
9:03 | 6:40/mi
21M
2:16:58
Rank: #2796 (+84)
20M → 21M
6:56 | 6:56/mi
35K· 21.75 mi
2:21:51
Rank: #2774 (+22)
21M → 35K
4:53 | 6:32/mi
23M
2:30:20
Rank: #2724 (+50)
35K → 23M
8:29 | 6:47/mi
24M
2:36:58
Rank: #2673 (+51)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:42:41
Rank: #2634 (+39)
24M → 40K
5:43 | 6:41/mi
25.2M
2:45:16
Rank: #2636 (-2)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:51:52
Rank: #2610 (+26)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:41
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:27:11
Pace6:39 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4420:076:2820:07
6:28
-
10K
6.21 mi10:44:4940:126:2820:05
6:28
0:00
15K
9.32 mi11:04:491:00:126:2820:00
6:26
-0:02
20K
12.43 mi11:24:571:20:206:2820:08
6:29
+0:03
Half
13.11 mi11:29:181:24:416:284:21
6:23
-0:06
25K
15.53 mi11:45:031:40:266:2815:45
6:30
+0:07
30K
18.64 mi12:05:362:00:596:2920:33
6:37
+0:07
20M
20.00 mi12:14:392:10:026:309:03
6:40
+0:03
21M
21.00 mi12:21:352:16:586:316:56
6:56
+0:16
35K
21.75 mi12:26:282:21:516:314:53
6:32
-0:24
23M
23.00 mi12:34:572:30:206:328:29
6:47
+0:15
24M
24.00 mi12:41:352:36:586:326:38
6:38
-0:09
40K
24.85 mi12:47:182:42:416:335:43
6:41
+0:03
25.2M
25.20 mi12:49:532:45:166:332:35
7:29
+0:48
Finish
26.22 mi12:56:292:51:526:346:36
6:29
-1:00

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

6:23 /mi

Average Pace

6:34 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:17

98% of race

Time at Steady Pace

2:35

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:24:4420:076:2820:07
6:28
#3659
10K
6.21 mi10:44:4940:126:2820:05
6:28
#3553
15K
9.32 mi11:04:491:00:126:2820:00
6:26
#3384
20K
12.43 mi11:24:571:20:206:2820:08
6:29
#3249
Half
13.11 mi11:29:181:24:416:284:21
6:23
#3231
25K
15.53 mi11:45:031:40:266:2815:45
6:30
#3165
30K
18.64 mi12:05:362:00:596:2920:33
6:37
#2974
20M
20.00 mi12:14:392:10:026:309:03
6:40
#2880
21M
21.00 mi12:21:352:16:586:316:56
6:56
#2796
35K
21.75 mi12:26:282:21:516:314:53
6:32
#2774
23M
23.00 mi12:34:572:30:206:328:29
6:47
#2724
24M
24.00 mi12:41:352:36:586:326:38
6:38
#2673
40K
24.85 mi12:47:182:42:416:335:43
6:41
#2634
25.2M
25.20 mi12:49:532:45:166:332:35
7:29
#2636
Finish
26.22 mi12:56:292:51:526:346:36
6:29
#2610
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3659347134713176(Top 11%)3022(Top 19%)3022(Top 54%)
10K6.21 mi3.10 mi3553+1063371+1003371+1003482(Top 12%)3301(Top 20%)3301(Top 59%)
15K9.32 mi3.11 mi3384+1693213+1583213+1583176(Top 11%)3022(Top 19%)3022(Top 54%)
20K12.43 mi3.11 mi3249+1353094+1193094+1193020(Top 11%)2874(Top 18%)2874(Top 51%)
Half13.11 mi0.68 mi3231+183077+173077+172963(Top 10%)2830(Top 18%)2830(Top 50%)
25K15.53 mi2.42 mi3165+663016+613016+612877(Top 10%)2738(Top 17%)2738(Top 49%)
30K18.64 mi3.11 mi2974+1912834+1822834+1822480(Top 9%)2348(Top 15%)2348(Top 42%)
20M20.00 mi1.36 mi2880+942742+922742+922303(Top 8%)2177(Top 14%)2177(Top 39%)
21M21.00 mi1.00 mi2796+842663+792663+792017(Top 7%)1900(Top 12%)1900(Top 34%)
35K21.75 mi0.75 mi2774+222639+242639+242628(Top 9%)2447(Top 15%)2447(Top 43%)
23M23.00 mi1.25 mi2724+502587+522587+522595(Top 9%)2398(Top 15%)2398(Top 43%)
24M24.00 mi1.00 mi2673+512536+512536+512654(Top 9%)2437(Top 15%)2437(Top 43%)
40K24.85 mi0.85 mi2634+392496+402496+402325(Top 8%)2130(Top 13%)2130(Top 38%)
25.2M25.20 mi0.35 mi2636-22497-12497-13378(Top 12%)2968(Top 18%)2968(Top 53%)
Finish26.22 mi1.02 mi2610+262470+272470+272712(Top 10%)2442(Top 15%)2442(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3176

Males

3022

M18-39

3022

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3482

Males

3301

M18-39

3301

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3176

Males

3022

M18-39

3022

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3020

Males

2874

M18-39

2874

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2963

Males

2830

M18-39

2830

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2877

Males

2738

M18-39

2738

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2480

Males

2348

M18-39

2348

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2303

Males

2177

M18-39

2177

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

2017

Males

1900

M18-39

1900

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2628

Males

2447

M18-39

2447

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2595

Males

2398

M18-39

2398

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2654

Males

2437

M18-39

2437

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2325

Males

2130

M18-39

2130

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3378

Males

2968

M18-39

2968

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2712

Males

2442

M18-39

2442

Passing Analysis

Category:
Athletes Passed
1410
Passed By
361
Net Change
+1049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3659
5K → 10K19387+106#3659#3553
10K → 15K19728+169#3553#3384
15K → 20K16530+135#3384#3249
20K → Half268+18#3249#3231
Half → 25K10842+66#3231#3165
25K → 30K22130+191#3165#2974
30K → 20M10410+94#2974#2880
20M → 21M9410+84#2880#2796
21M → 35K4119+22#2796#2774
35K → 23M7323+50#2774#2724
23M → 24M7120+51#2724#2673
24M → 40K5415+39#2673#2634
40K → 25.2M1517-2#2634#2636
25.2M → Finish4822+26#2636#2610
TOTALS1410361+1049
📊

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