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BOSTON MARATHON 2025

Khoon Lim

Bib: 24083•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
9:02/mi
28:03
↑ 97↓ 3451.5%
10K· 6.21 mi
9:11/mi
56:35
↑ 79↓ 1380.4%
15K· 9.32 mi
9:11/mi
1:25:06
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
1:56:21
↑ 106↓ 860.1%
Half· 13.11 mi
10:33/mi
2:03:33
↑ 19↓ 370.5%
25K· 15.53 mi
10:55/mi
2:30:01
↑ 66↓ 880.2%
30K· 18.64 mi
11:48/mi
3:06:40
↑ 181↓ 1480.2%
20M
12:06/mi
3:23:06
↑ 64↓ 500.2%
21M
13:13/mi
3:36:19
↑ 106↓ 241.6%
35K· 21.75 mi
12:21/mi
3:45:33
↑ 17↓ 861.7%
23M
13:08/mi
4:02:00
↑ 23↓ 630.6%
24M
13:06/mi
4:15:06
↓ 821.3%
40K· 24.85 mi
14:02/mi
4:27:06
↓ 200.3%
25.2M
15:25/mi
4:32:25
↑ 13↓ 160.2%
Finish· 26.22 mi
14:08/mi
4:46:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:33
Pace9:25 /mi
2nd Half
Distance13.11 mi
Time2:43:16
Pace12:27 /mi
📊Positive Split: 32.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:0828:039:0228:03
9:02
-
10K
6.21 mi11:56:4056:359:0628:32
9:11
+0:09
15K
9.32 mi12:25:111:25:069:0828:31
9:11
0:00
20K
12.43 mi12:56:261:56:219:2231:15
10:04
+0:53
Half
13.11 mi13:03:382:03:339:257:12
10:33
+0:29
25K
15.53 mi13:30:062:30:019:3926:28
10:55
+0:22
30K
18.64 mi14:06:453:06:4010:0136:39
11:48
+0:53
20M
20.00 mi14:23:113:23:0610:0916:26
12:06
+0:18
21M
21.00 mi14:36:243:36:1910:1813:13
13:13
+1:07
35K
21.75 mi14:45:383:45:3310:229:14
12:21
-0:52
23M
23.00 mi15:02:054:02:0010:3116:27
13:08
+0:47
24M
24.00 mi15:15:114:15:0610:3813:06
13:06
-0:02
40K
24.85 mi15:27:114:27:0610:4512:00
14:02
+0:56
25.2M
25.20 mi15:32:304:32:2510:495:19
15:25
+1:23
Finish
26.22 mi15:46:544:46:4910:5714:24
14:08
-1:17

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

9:02 /mi

Average Pace

10:57 /mi

Slowest Pace

15:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:01

52% of race

Time at Steady Pace

1:02:19

22% of race

Time at Slower Pace

1:14:29

26% of race

Average Pace: 10:56 /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 mi11:28:0828:039:0228:03
9:02
#22532
10K
6.21 mi11:56:4056:359:0628:32
9:11
#22828
15K
9.32 mi12:25:111:25:069:0828:31
9:11
#22837
20K
12.43 mi12:56:261:56:219:2231:15
10:04
#23321
Half
13.11 mi13:03:382:03:339:257:12
10:33
#23536
25K
15.53 mi13:30:062:30:019:3926:28
10:55
#23867
30K
18.64 mi14:06:453:06:4010:0136:39
11:48
#24261
20M
20.00 mi14:23:113:23:0610:0916:26
12:06
#24382
21M
21.00 mi14:36:243:36:1910:1813:13
13:13
#24461
35K
21.75 mi14:45:383:45:3310:229:14
12:21
#24570
23M
23.00 mi15:02:054:02:0010:3116:27
13:08
#24726
24M
24.00 mi15:15:114:15:0610:3813:06
13:06
#24883
40K
24.85 mi15:27:114:27:0610:4512:00
14:02
#25010
25.2M
25.20 mi15:32:304:32:2510:495:19
15:25
#25071
Finish
26.22 mi15:46:544:46:4910:5714:24
14:08
#25287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22532135431354322771(Top 80%)13723(Top 85%)13723(Top 2148%)
10K6.21 mi3.10 mi22828-29613702-15913702-15923127(Top 81%)13859(Top 86%)13859(Top 2169%)
15K9.32 mi3.11 mi22837-913744-4213744-4222771(Top 80%)13723(Top 85%)13723(Top 2148%)
20K12.43 mi3.11 mi23321-48413963-21913963-21924352(Top 86%)14380(Top 89%)14380(Top 2250%)
Half13.11 mi0.68 mi23536-21514048-8514048-8525874(Top 91%)15048(Top 93%)15048(Top 2355%)
25K15.53 mi2.42 mi23867-33114179-13114179-13125083(Top 88%)14681(Top 91%)14681(Top 2297%)
30K18.64 mi3.11 mi24261-39414328-14914328-14925309(Top 89%)14682(Top 91%)14682(Top 2298%)
20M20.00 mi1.36 mi24382-12114369-4114369-4125387(Top 89%)14624(Top 91%)14624(Top 2289%)
21M21.00 mi1.00 mi24461-7914388-1914388-1925327(Top 89%)14533(Top 90%)14533(Top 2274%)
35K21.75 mi0.75 mi24570-10914426-3814426-3826285(Top 93%)14983(Top 93%)14983(Top 2345%)
23M23.00 mi1.25 mi24726-15614485-5914485-5926547(Top 93%)15108(Top 94%)15108(Top 2364%)
24M24.00 mi1.00 mi24883-15714541-5614541-5626959(Top 95%)15277(Top 95%)15277(Top 2391%)
40K24.85 mi0.85 mi25010-12714589-4814589-4827201(Top 96%)15385(Top 96%)15385(Top 2408%)
25.2M25.20 mi0.35 mi25071-6114619-3014619-3027395(Top 96%)15477(Top 96%)15477(Top 2422%)
Finish26.22 mi1.02 mi25287-21614712-9314712-9328086(Top 99%)15896(Top 99%)15896(Top 2488%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22771

Males

13723

M65-69

13723

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23127

Males

13859

M65-69

13859

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22771

Males

13723

M65-69

13723

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24352

Males

14380

M65-69

14380

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25874

Males

15048

M65-69

15048

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

25083

Males

14681

M65-69

14681

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25309

Males

14682

M65-69

14682

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

25387

Males

14624

M65-69

14624

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25327

Males

14533

M65-69

14533

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26285

Males

14983

M65-69

14983

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26547

Males

15108

M65-69

15108

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26959

Males

15277

M65-69

15277

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27201

Males

15385

M65-69

15385

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27395

Males

15477

M65-69

15477

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

28086

Males

15896

M65-69

15896

Passing Analysis

Category:
Athletes Passed
587
Passed By
3342
Net Change
-2755
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22532
5K → 10K139435-296#22532#22828
10K → 15K163172-9#22828#22837
15K → 20K60544-484#22837#23321
20K → Half4219-215#23321#23536
Half → 25K42373-331#23536#23867
25K → 30K49443-394#23867#24261
30K → 20M35156-121#24261#24382
20M → 21M36115-79#24382#24461
21M → 35K9118-109#24461#24570
35K → 23M20176-156#24570#24726
23M → 24M13170-157#24726#24883
24M → 40K13140-127#24883#25010
40K → 25.2M263-61#25010#25071
25.2M → Finish2218-216#25071#25287
TOTALS5873342-2755
📊

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