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BOSTON MARATHON 2025

Eric Lambi

Bib: 3991•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:17/mi
19:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:21/mi
39:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:20/mi
58:54
↑ 67↓ 78
20K· 12.43 mi
6:18/mi
1:18:29
↑ 106↓ 860.1%
Half· 13.11 mi
6:14/mi
1:22:44
↑ 19↓ 370.5%
25K· 15.53 mi
6:21/mi
1:38:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:31/mi
1:58:22
↑ 181↓ 1480.2%
20M
6:29/mi
2:07:11
↑ 64↓ 500.2%
21M
6:55/mi
2:14:06
↑ 106↓ 241.6%
35K· 21.75 mi
6:17/mi
2:18:48
↑ 17↓ 861.7%
23M
6:30/mi
2:26:56
↑ 23↓ 630.6%
24M
6:20/mi
2:33:16
↓ 821.3%
40K· 24.85 mi
6:33/mi
2:38:52
↓ 200.3%
25.2M
6:58/mi
2:41:16
↑ 13↓ 160.2%
Finish· 26.22 mi
6:21/mi
2:47:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:44
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3819:316:1719:31
6:17
-
10K
6.21 mi10:41:2139:146:1919:43
6:21
+0:04
15K
9.32 mi11:01:0158:546:1919:40
6:20
-0:01
20K
12.43 mi11:20:361:18:296:1919:35
6:18
-0:02
Half
13.11 mi11:24:511:22:446:194:15
6:14
-0:04
25K
15.53 mi11:40:141:38:076:1915:23
6:21
+0:07
30K
18.64 mi12:00:291:58:226:2120:15
6:31
+0:10
20M
20.00 mi12:09:182:07:116:228:49
6:29
-0:02
21M
21.00 mi12:16:132:14:066:236:55
6:55
+0:26
35K
21.75 mi12:20:552:18:486:234:42
6:17
-0:38
23M
23.00 mi12:29:032:26:566:238:08
6:30
+0:13
24M
24.00 mi12:35:232:33:166:236:20
6:20
-0:10
40K
24.85 mi12:40:592:38:526:245:36
6:33
+0:13
25.2M
25.20 mi12:43:232:41:166:242:24
6:58
+0:25
Finish
26.22 mi12:49:512:47:446:246:28
6:21
-0:37

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

6:24 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:25

94% of race

Time at Steady Pace

9:19

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:24 /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 mi10:21:3819:316:1719:31
6:17
#2327
10K
6.21 mi10:41:2139:146:1919:43
6:21
#2518
15K
9.32 mi11:01:0158:546:1919:40
6:20
#2503
20K
12.43 mi11:20:361:18:296:1919:35
6:18
#2339
Half
13.11 mi11:24:511:22:446:194:15
6:14
#2323
25K
15.53 mi11:40:141:38:076:1915:23
6:21
#2271
30K
18.64 mi12:00:291:58:226:2120:15
6:31
#2181
20M
20.00 mi12:09:182:07:116:228:49
6:29
#2123
21M
21.00 mi12:16:132:14:066:236:55
6:55
#2086
35K
21.75 mi12:20:552:18:486:234:42
6:17
#2046
23M
23.00 mi12:29:032:26:566:238:08
6:30
#1971
24M
24.00 mi12:35:232:33:166:236:20
6:20
#1910
40K
24.85 mi12:40:592:38:526:245:36
6:33
#1875
25.2M
25.20 mi12:43:232:41:166:242:24
6:58
#1857
Finish
26.22 mi12:49:512:47:446:246:28
6:21
#1829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2327222122212534(Top 9%)2419(Top 15%)2419(Top 101%)
10K6.21 mi3.10 mi2518-1912398-1772398-1772719(Top 10%)2590(Top 16%)2590(Top 109%)
15K9.32 mi3.11 mi2503+152388+102388+102534(Top 9%)2419(Top 15%)2419(Top 101%)
20K12.43 mi3.11 mi2339+1642232+1562232+1562037(Top 7%)1942(Top 12%)1942(Top 81%)
Half13.11 mi0.68 mi2323+162217+152217+152173(Top 8%)2077(Top 13%)2077(Top 87%)
25K15.53 mi2.42 mi2271+522168+492168+492088(Top 7%)1989(Top 12%)1989(Top 83%)
30K18.64 mi3.11 mi2181+902078+902078+902065(Top 7%)1964(Top 12%)1964(Top 82%)
20M20.00 mi1.36 mi2123+582021+572021+571591(Top 6%)1505(Top 9%)1505(Top 63%)
21M21.00 mi1.00 mi2086+371985+361985+361953(Top 7%)1842(Top 11%)1842(Top 77%)
35K21.75 mi0.75 mi2046+401946+391946+391559(Top 5%)1469(Top 9%)1469(Top 62%)
23M23.00 mi1.25 mi1971+751871+751871+751449(Top 5%)1365(Top 8%)1365(Top 57%)
24M24.00 mi1.00 mi1910+611812+591812+591424(Top 5%)1335(Top 8%)1335(Top 56%)
40K24.85 mi0.85 mi1875+351777+351777+351808(Top 6%)1671(Top 10%)1671(Top 70%)
25.2M25.20 mi0.35 mi1857+181759+181759+181397(Top 5%)1284(Top 8%)1284(Top 54%)
Finish26.22 mi1.02 mi1829+281731+281731+282089(Top 7%)1916(Top 12%)1916(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2534

Males

2419

M45-49

2419

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2719

Males

2590

M45-49

2590

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2534

Males

2419

M45-49

2419

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2037

Males

1942

M45-49

1942

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2173

Males

2077

M45-49

2077

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

2088

Males

1989

M45-49

1989

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2065

Males

1964

M45-49

1964

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1591

Males

1505

M45-49

1505

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1953

Males

1842

M45-49

1842

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1559

Males

1469

M45-49

1469

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1449

Males

1365

M45-49

1365

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1424

Males

1335

M45-49

1335

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1808

Males

1671

M45-49

1671

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1397

Males

1284

M45-49

1284

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2089

Males

1916

M45-49

1916

Passing Analysis

Category:
Athletes Passed
986
Passed By
488
Net Change
+498
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2327
5K → 10K48239-191#2327#2518
10K → 15K9378+15#2518#2503
15K → 20K17612+164#2503#2339
20K → Half226+16#2339#2323
Half → 25K8028+52#2323#2271
25K → 30K12838+90#2271#2181
30K → 20M679+58#2181#2123
20M → 21M5417+37#2123#2086
21M → 35K466+40#2086#2046
35K → 23M8813+75#2046#1971
23M → 24M687+61#1971#1910
24M → 40K4712+35#1910#1875
40K → 25.2M235+18#1875#1857
25.2M → Finish4618+28#1857#1829
TOTALS986488+498
📊

Passing Visuals

Category:
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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