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BOSTON MARATHON 2025

Josh Williams

Bib: 4965•M

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0:00
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:36
Rank: #2483
Start → 5K
19:36 | 6:19/mi
10K· 6.21 mi
39:07
Rank: #2375 (+108)
5K → 10K
19:31 | 6:17/mi
15K· 9.32 mi
58:25
Rank: #2187 (+188)
10K → 15K
19:18 | 6:13/mi
20K· 12.43 mi
1:17:50
Rank: #2067 (+120)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:22:02
Rank: #2051 (+16)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:37:08
Rank: #1948 (+103)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
1:56:46
Rank: #1779 (+169)
25K → 30K
19:38 | 6:19/mi
20M
2:05:27
Rank: #1709 (+70)
30K → 20M
8:41 | 6:23/mi
21M
2:12:12
Rank: #1650 (+59)
20M → 21M
6:45 | 6:45/mi
35K· 21.75 mi
2:16:55
Rank: #1638 (+12)
21M → 35K
4:43 | 6:18/mi
23M
2:25:12
Rank: #1602 (+36)
35K → 23M
8:17 | 6:37/mi
24M
2:31:31
Rank: #1554 (+48)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:37:06
Rank: #1536 (+18)
24M → 40K
5:35 | 6:32/mi
25.2M
2:39:31
Rank: #1533 (+3)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:46:05
Rank: #1538 (-5)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:02
Pace6:15 /mi
2nd Half
Distance13.11 mi
Time1:24:03
Pace6:25 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4519:366:1919:36
6:19
-
10K
6.21 mi10:42:1639:076:1819:31
6:17
-0:02
15K
9.32 mi11:01:3458:256:1619:18
6:13
-0:04
20K
12.43 mi11:20:591:17:506:1619:25
6:15
+0:02
Half
13.11 mi11:25:111:22:026:154:12
6:09
-0:06
25K
15.53 mi11:40:171:37:086:1515:06
6:14
+0:05
30K
18.64 mi11:59:551:56:466:1619:38
6:19
+0:05
20M
20.00 mi12:08:362:05:276:168:41
6:23
+0:04
21M
21.00 mi12:15:212:12:126:186:45
6:45
+0:22
35K
21.75 mi12:20:042:16:556:184:43
6:18
-0:27
23M
23.00 mi12:28:212:25:126:198:17
6:37
+0:19
24M
24.00 mi12:34:402:31:316:196:19
6:19
-0:18
40K
24.85 mi12:40:152:37:066:195:35
6:32
+0:13
25.2M
25.20 mi12:42:402:39:316:202:25
7:00
+0:28
Finish
26.22 mi12:49:142:46:056:206:34
6:27
-0:33

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

6:09 /mi

Average Pace

6:20 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:40

99% of race

Time at Steady Pace

2:25

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /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 mi10:22:4519:366:1919:36
6:19
#2483
10K
6.21 mi10:42:1639:076:1819:31
6:17
#2375
15K
9.32 mi11:01:3458:256:1619:18
6:13
#2187
20K
12.43 mi11:20:591:17:506:1619:25
6:15
#2067
Half
13.11 mi11:25:111:22:026:154:12
6:09
#2051
25K
15.53 mi11:40:171:37:086:1515:06
6:14
#1948
30K
18.64 mi11:59:551:56:466:1619:38
6:19
#1779
20M
20.00 mi12:08:362:05:276:168:41
6:23
#1709
21M
21.00 mi12:15:212:12:126:186:45
6:45
#1650
35K
21.75 mi12:20:042:16:556:184:43
6:18
#1638
23M
23.00 mi12:28:212:25:126:198:17
6:37
#1602
24M
24.00 mi12:34:402:31:316:196:19
6:19
#1554
40K
24.85 mi12:40:152:37:066:195:35
6:32
#1536
25.2M
25.20 mi12:42:402:39:316:202:25
7:00
#1533
Finish
26.22 mi12:49:142:46:056:206:34
6:27
#1538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2483236523651908(Top 7%)1817(Top 11%)1817(Top 32%)
10K6.21 mi3.10 mi2375+1082265+1002265+1002293(Top 8%)2194(Top 14%)2194(Top 39%)
15K9.32 mi3.11 mi2187+1882088+1772088+1771908(Top 7%)1817(Top 11%)1817(Top 32%)
20K12.43 mi3.11 mi2067+1201973+1151973+1151790(Top 6%)1701(Top 11%)1701(Top 30%)
Half13.11 mi0.68 mi2051+161959+141959+141746(Top 6%)1662(Top 10%)1662(Top 29%)
25K15.53 mi2.42 mi1948+1031858+1011858+1011569(Top 6%)1490(Top 9%)1490(Top 26%)
30K18.64 mi3.11 mi1779+1691694+1641694+1641269(Top 4%)1198(Top 7%)1198(Top 21%)
20M20.00 mi1.36 mi1709+701623+711623+711214(Top 4%)1145(Top 7%)1145(Top 20%)
21M21.00 mi1.00 mi1650+591564+591564+591361(Top 5%)1287(Top 8%)1287(Top 23%)
35K21.75 mi0.75 mi1638+121553+111553+111616(Top 6%)1516(Top 9%)1516(Top 27%)
23M23.00 mi1.25 mi1602+361516+371516+371882(Top 7%)1759(Top 11%)1759(Top 31%)
24M24.00 mi1.00 mi1554+481470+461470+461350(Top 5%)1262(Top 8%)1262(Top 22%)
40K24.85 mi0.85 mi1536+181451+191451+191704(Top 6%)1574(Top 10%)1574(Top 28%)
25.2M25.20 mi0.35 mi1533+31449+21449+21479(Top 5%)1350(Top 8%)1350(Top 24%)
Finish26.22 mi1.02 mi1538-51455-61455-62497(Top 9%)2266(Top 14%)2266(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1908

Males

1817

M18-39

1817

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2293

Males

2194

M18-39

2194

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1908

Males

1817

M18-39

1817

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1790

Males

1701

M18-39

1701

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1746

Males

1662

M18-39

1662

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1569

Males

1490

M18-39

1490

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1269

Males

1198

M18-39

1198

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1214

Males

1145

M18-39

1145

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1361

Males

1287

M18-39

1287

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1616

Males

1516

M18-39

1516

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1882

Males

1759

M18-39

1759

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1350

Males

1262

M18-39

1262

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1704

Males

1574

M18-39

1574

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1479

Males

1350

M18-39

1350

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2497

Males

2266

M18-39

2266

Passing Analysis

Category:
Athletes Passed
1173
Passed By
228
Net Change
+945
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2483
5K → 10K16254+108#2483#2375
10K → 15K20416+188#2375#2187
15K → 20K13313+120#2187#2067
20K → Half226+16#2067#2051
Half → 25K11310+103#2051#1948
25K → 30K18516+169#1948#1779
30K → 20M766+70#1779#1709
20M → 21M7112+59#1709#1650
21M → 35K2513+12#1650#1638
35K → 23M5923+36#1638#1602
23M → 24M557+48#1602#1554
24M → 40K3517+18#1554#1536
40K → 25.2M129+3#1536#1533
25.2M → Finish2126-5#1533#1538
TOTALS1173228+945
📊

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