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BOSTON MARATHON 2025

William Lambert

Bib: 1932•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #3925
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:10
Rank: #3513 (+412)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
59:42
Rank: #3041 (+472)
10K → 15K
19:32 | 6:17/mi
20K· 12.43 mi
1:19:19
Rank: #2747 (+294)
15K → 20K
19:37 | 6:19/mi
Half· 13.11 mi
1:23:34
Rank: #2706 (+41)
20K → Half
4:15 | 6:14/mi
25K· 15.53 mi
1:39:06
Rank: #2625 (+81)
Half → 25K
15:32 | 6:24/mi
30K· 18.64 mi
1:58:59
Rank: #2352 (+273)
25K → 30K
19:53 | 6:24/mi
20M
2:07:38
Rank: #2231 (+121)
30K → 20M
8:39 | 6:22/mi
21M
2:14:09
Rank: #2102 (+129)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:18:49
Rank: #2053 (+49)
21M → 35K
4:40 | 6:14/mi
23M
2:26:50
Rank: #1948 (+105)
35K → 23M
8:01 | 6:24/mi
24M
2:33:07
Rank: #1876 (+72)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:38:36
Rank: #1832 (+44)
24M → 40K
5:29 | 6:25/mi
25.2M
2:41:00
Rank: #1805 (+27)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:47:27
Rank: #1784 (+21)
25.2M → Finish
6:27 | 6:20/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:23:34
Pace6:22 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:23:53
Pace6:24 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0220:146:3120:14
6:31
-
10K
6.21 mi10:40:5840:106:2819:56
6:25
-0:06
15K
9.32 mi11:00:3059:426:2419:32
6:17
-0:08
20K
12.43 mi11:20:071:19:196:2319:37
6:19
+0:02
Half
13.11 mi11:24:221:23:346:224:15
6:14
-0:05
25K
15.53 mi11:39:541:39:066:2315:32
6:24
+0:10
30K
18.64 mi11:59:471:58:596:2319:53
6:24
0:00
20M
20.00 mi12:08:262:07:386:238:39
6:22
-0:02
21M
21.00 mi12:14:572:14:096:236:31
6:31
+0:09
35K
21.75 mi12:19:372:18:496:234:40
6:14
-0:17
23M
23.00 mi12:27:382:26:506:238:01
6:24
+0:10
24M
24.00 mi12:33:552:33:076:236:17
6:17
-0:07
40K
24.85 mi12:39:242:38:366:235:29
6:25
+0:08
25.2M
25.20 mi12:41:482:41:006:232:24
6:58
+0:33
Finish
26.22 mi12:48:152:47:276:236:27
6:20
-0:38

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

6:14 /mi

Average Pace

6:23 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:45:03

99% of race

Time at Steady Pace

2:24

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:23 /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 mi10:21:0220:146:3120:14
6:31
#3925
10K
6.21 mi10:40:5840:106:2819:56
6:25
#3513
15K
9.32 mi11:00:3059:426:2419:32
6:17
#3041
20K
12.43 mi11:20:071:19:196:2319:37
6:19
#2747
Half
13.11 mi11:24:221:23:346:224:15
6:14
#2706
25K
15.53 mi11:39:541:39:066:2315:32
6:24
#2625
30K
18.64 mi11:59:471:58:596:2319:53
6:24
#2352
20M
20.00 mi12:08:262:07:386:238:39
6:22
#2231
21M
21.00 mi12:14:572:14:096:236:31
6:31
#2102
35K
21.75 mi12:19:372:18:496:234:40
6:14
#2053
23M
23.00 mi12:27:382:26:506:238:01
6:24
#1948
24M
24.00 mi12:33:552:33:076:236:17
6:17
#1876
40K
24.85 mi12:39:242:38:366:235:29
6:25
#1832
25.2M
25.20 mi12:41:482:41:006:232:24
6:58
#1805
Finish
26.22 mi12:48:152:47:276:236:27
6:20
#1784
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3925371537152288(Top 8%)2183(Top 14%)2183(Top 39%)
10K6.21 mi3.10 mi3513+4123335+3803335+3803152(Top 11%)3000(Top 19%)3000(Top 53%)
15K9.32 mi3.11 mi3041+4722895+4402895+4402288(Top 8%)2183(Top 14%)2183(Top 39%)
20K12.43 mi3.11 mi2747+2942619+2762619+2762078(Top 7%)1982(Top 12%)1982(Top 35%)
Half13.11 mi0.68 mi2706+412582+372582+372167(Top 8%)2071(Top 13%)2071(Top 37%)
25K15.53 mi2.42 mi2625+812506+762506+762408(Top 8%)2291(Top 14%)2291(Top 41%)
30K18.64 mi3.11 mi2352+2732246+2602246+2601560(Top 5%)1478(Top 9%)1478(Top 26%)
20M20.00 mi1.36 mi2231+1212128+1182128+1181149(Top 4%)1085(Top 7%)1085(Top 19%)
21M21.00 mi1.00 mi2102+1292001+1272001+127732(Top 3%)693(Top 4%)693(Top 12%)
35K21.75 mi0.75 mi2053+491952+491952+491410(Top 5%)1337(Top 8%)1337(Top 24%)
23M23.00 mi1.25 mi1948+1051849+1031849+1031164(Top 4%)1100(Top 7%)1100(Top 19%)
24M24.00 mi1.00 mi1876+721778+711778+711281(Top 5%)1200(Top 7%)1200(Top 21%)
40K24.85 mi0.85 mi1832+441734+441734+441314(Top 5%)1221(Top 8%)1221(Top 22%)
25.2M25.20 mi0.35 mi1805+271709+251709+251394(Top 5%)1281(Top 8%)1281(Top 23%)
Finish26.22 mi1.02 mi1784+211689+201689+202020(Top 7%)1857(Top 12%)1857(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2288

Males

2183

M18-39

2183

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3152

Males

3000

M18-39

3000

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2288

Males

2183

M18-39

2183

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2078

Males

1982

M18-39

1982

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2167

Males

2071

M18-39

2071

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2408

Males

2291

M18-39

2291

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1560

Males

1478

M18-39

1478

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1149

Males

1085

M18-39

1085

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

732

Males

693

M18-39

693

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1410

Males

1337

M18-39

1337

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1164

Males

1100

M18-39

1100

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1281

Males

1200

M18-39

1200

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1314

Males

1221

M18-39

1221

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1394

Males

1281

M18-39

1281

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2020

Males

1857

M18-39

1857

Passing Analysis

Category:
Athletes Passed
2246
Passed By
105
Net Change
+2141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3925
5K → 10K43826+412#3925#3513
10K → 15K4720+472#3513#3041
15K → 20K2984+294#3041#2747
20K → Half432+41#2747#2706
Half → 25K10625+81#2706#2625
25K → 30K2785+273#2625#2352
30K → 20M1210+121#2352#2231
20M → 21M1290+129#2231#2102
21M → 35K534+49#2102#2053
35K → 23M1138+105#2053#1948
23M → 24M753+72#1948#1876
24M → 40K495+44#1876#1832
40K → 25.2M303+27#1832#1805
25.2M → Finish4120+21#1805#1784
TOTALS2246105+2141
📊

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