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BOSTON MARATHON 2025

Edwin Lee

Bib: 28642 M AU

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:00/mi
24:50
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:05/mi
49:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:28/mi
1:16:16
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:51/mi
1:43:45
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:46/mi
1:49:44
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:22/mi
2:12:27
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:56/mi
2:43:18
↑ 181↓ 1480.2%
138 ft elev
20M
9:32/mi
2:56:15
↑ 64↓ 500.2%
148 ft elev
21M
10:48/mi
3:07:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:53/mi
3:14:27
↑ 17↓ 861.7%
156 ft elev
23M
9:55/mi
3:26:52
↑ 23↓ 630.6%
116 ft elev
24M
9:18/mi
3:36:10
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:40/mi
3:44:26
↓ 200.3%
20 ft elev
25.2M
10:38/mi
3:48:06
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:13/mi
3:57:30
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:44
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time2:07:46
Pace9:45 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3124:508:0024:50
8:00
-
10K
6.21 mi12:06:3949:588:0225:08
8:05
+0:05
15K
9.32 mi12:32:571:16:168:1126:18
8:28
+0:23
20K
12.43 mi13:00:261:43:458:2127:29
8:51
+0:23
Half
13.11 mi13:06:251:49:448:225:59
8:46
-0:05
25K
15.53 mi13:29:082:12:278:3222:43
9:22
+0:36
30K
18.64 mi13:59:592:43:188:4630:51
9:56
+0:34
20M
20.00 mi14:12:562:56:158:4912:57
9:32
-0:24
21M
21.00 mi14:23:443:07:038:5410:48
10:48
+1:16
35K
21.75 mi14:31:083:14:278:567:24
9:53
-0:55
23M
23.00 mi14:43:333:26:529:0012:25
9:55
+0:02
24M
24.00 mi14:52:513:36:109:009:18
9:18
-0:37
40K
24.85 mi15:01:073:44:269:028:16
9:40
+0:22
25.2M
25.20 mi15:04:473:48:069:033:40
10:38
+0:58
Finish
26.22 mi15:14:113:57:309:049:24
9:13
-1:25

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

8:00 /mi

Average Pace

9:04 /mi

Slowest Pace

10:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:44

46% of race

Time at Steady Pace

1:02:38

26% of race

Time at Slower Pace

1:05:08

27% of race

Average Pace: 9:03 /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 mi11:41:3124:508:0024:50
8:00
#16525
10K
6.21 mi12:06:3949:588:0225:08
8:05
#16839
15K
9.32 mi12:32:571:16:168:1126:18
8:28
#17650
20K
12.43 mi13:00:261:43:458:2127:29
8:51
#18302
Half
13.11 mi13:06:251:49:448:225:59
8:46
#18448
25K
15.53 mi13:29:082:12:278:3222:43
9:22
#19063
30K
18.64 mi13:59:592:43:188:4630:51
9:56
#19649
20M
20.00 mi14:12:562:56:158:4912:57
9:32
#19625
21M
21.00 mi14:23:443:07:038:5410:48
10:48
#19733
35K
21.75 mi14:31:083:14:278:567:24
9:53
#19831
23M
23.00 mi14:43:333:26:529:0012:25
9:55
#19881
24M
24.00 mi14:52:513:36:109:009:18
9:18
#19842
40K
24.85 mi15:01:073:44:269:028:16
9:40
#19819
25.2M
25.20 mi15:04:473:48:069:033:40
10:38
#19821
Finish
26.22 mi15:14:113:57:309:049:24
9:13
#19838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16525110141101419120(Top 67%)12099(Top 75%)12099(Top 606%)
10K6.21 mi3.10 mi16839-31411157-14311157-14317119(Top 60%)11301(Top 70%)11301(Top 566%)
15K9.32 mi3.11 mi17650-81111486-32911486-32919120(Top 67%)12099(Top 75%)12099(Top 606%)
20K12.43 mi3.11 mi18302-65211741-25511741-25520177(Top 71%)12542(Top 78%)12542(Top 628%)
Half13.11 mi0.68 mi18448-14611813-7211813-7220724(Top 73%)12778(Top 79%)12778(Top 640%)
25K15.53 mi2.42 mi19063-61512055-24212055-24221422(Top 75%)13045(Top 81%)13045(Top 654%)
30K18.64 mi3.11 mi19649-58612270-21512270-21521388(Top 75%)12884(Top 80%)12884(Top 645%)
20M20.00 mi1.36 mi19625+2412236+3412236+3419301(Top 68%)11828(Top 73%)11828(Top 593%)
21M21.00 mi1.00 mi19733-10812257-2112257-2120829(Top 73%)12411(Top 77%)12411(Top 622%)
35K21.75 mi0.75 mi19831-9812285-2812285-2821575(Top 76%)12702(Top 79%)12702(Top 636%)
23M23.00 mi1.25 mi19881-5012270+1512270+1520223(Top 71%)12012(Top 75%)12012(Top 602%)
24M24.00 mi1.00 mi19842+3912226+4412226+4418806(Top 66%)11320(Top 70%)11320(Top 567%)
40K24.85 mi0.85 mi19819+2312199+2712199+2719341(Top 68%)11488(Top 71%)11488(Top 576%)
25.2M25.20 mi0.35 mi19821-212198+112198+119461(Top 69%)11535(Top 72%)11535(Top 578%)
Finish26.22 mi1.02 mi19838-1712190+812190+820043(Top 71%)11822(Top 73%)11822(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19120

Males

12099

M50-54

12099

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

17119

Males

11301

M50-54

11301

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19120

Males

12099

M50-54

12099

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20177

Males

12542

M50-54

12542

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20724

Males

12778

M50-54

12778

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21422

Males

13045

M50-54

13045

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21388

Males

12884

M50-54

12884

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19301

Males

11828

M50-54

11828

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20829

Males

12411

M50-54

12411

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21575

Males

12702

M50-54

12702

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

20223

Males

12012

M50-54

12012

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

18806

Males

11320

M50-54

11320

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19341

Males

11488

M50-54

11488

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19461

Males

11535

M50-54

11535

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

20043

Males

11822

M50-54

11822

Passing Analysis

Category:
Athletes Passed
928
Passed By
4241
Net Change
-3313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16525
5K → 10K177491-314#16525#16839
10K → 15K46857-811#16839#17650
15K → 20K53705-652#17650#18302
20K → Half6152-146#18302#18448
Half → 25K55670-615#18448#19063
25K → 30K87673-586#19063#19649
30K → 20M11086+24#19649#19625
20M → 21M67175-108#19625#19733
21M → 35K23121-98#19733#19831
35K → 23M73123-50#19831#19881
23M → 24M8950+39#19881#19842
24M → 40K6744+23#19842#19819
40K → 25.2M2527-2#19819#19821
25.2M → Finish5067-17#19821#19838
TOTALS9284241-3313
📊

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