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BOSTON MARATHON 2025

Raymond Kwan

Bib: 25295•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:32
Rank: #23165
Start → 5K
9:11/mi
28:32 split
10K· 6.21 mi
56:39
Rank: #22876 (+289)
5K → 10K
9:03/mi
28:07 split
15K· 9.32 mi
1:24:41
Rank: #22636 (+240)
10K → 15K
9:01/mi
28:02 split
20K· 12.43 mi
1:53:40
Rank: #22556 (+80)
15K → 20K
9:20/mi
28:59 split
Half· 13.11 mi
2:00:05
Rank: #22607 (-51)
20K → Half
9:24/mi
6:25 split
25K· 15.53 mi
2:22:12
Rank: #22255 (+352)
Half → 25K
9:07/mi
22:07 split
30K· 18.64 mi
2:51:28
Rank: #21744 (+511)
25K → 30K
9:25/mi
29:16 split
20M
3:04:24
Rank: #21547 (+197)
30K → 20M
9:31/mi
12:56 split
21M
3:14:20
Rank: #21334 (+213)
20M → 21M
9:56/mi
9:56 split
35K· 21.75 mi
3:21:10
Rank: #21249 (+85)
21M → 35K
9:08/mi
6:50 split
23M
3:32:55
Rank: #21053 (+196)
35K → 23M
9:23/mi
11:45 split
24M
3:42:04
Rank: #20939 (+114)
23M → 24M
9:09/mi
9:09 split
40K· 24.85 mi
3:50:03
Rank: #20844 (+95)
24M → 40K
9:20/mi
7:59 split
25.2M
3:53:38
Rank: #20794 (+50)
40K → 25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
4:02:53
Rank: #20752 (+42)
25.2M → Finish
9:05/mi
9:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:05
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:02:48
Pace9:22 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2528:329:1128:32
9:11
-
10K
6.21 mi11:56:3256:399:0728:07
9:03
-0:08
15K
9.32 mi12:24:341:24:419:0528:02
9:01
-0:02
20K
12.43 mi12:53:331:53:409:0928:59
9:20
+0:19
Half
13.11 mi12:59:582:00:059:106:25
9:24
+0:04
25K
15.53 mi13:22:052:22:129:0922:07
9:07
-0:17
30K
18.64 mi13:51:212:51:289:1229:16
9:25
+0:18
20M
20.00 mi14:04:173:04:249:1312:56
9:31
+0:06
21M
21.00 mi14:14:133:14:209:159:56
9:56
+0:25
35K
21.75 mi14:21:033:21:109:156:50
9:08
-0:48
23M
23.00 mi14:32:483:32:559:1511:45
9:23
+0:15
24M
24.00 mi14:41:573:42:049:159:09
9:09
-0:14
40K
24.85 mi14:49:563:50:039:157:59
9:20
+0:11
25.2M
25.20 mi14:53:313:53:389:163:35
10:23
+1:03
Finish
26.22 mi15:02:464:02:539:169:15
9:05
-1:18

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

9:01 /mi

Average Pace

9:16 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:49:22

94% of race

Time at Steady Pace

13:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:16 /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 mi11:28:2528:329:1128:32
9:11
#23165
10K
6.21 mi11:56:3256:399:0728:07
9:03
#22876
15K
9.32 mi12:24:341:24:419:0528:02
9:01
#22636
20K
12.43 mi12:53:331:53:409:0928:59
9:20
#22556
Half
13.11 mi12:59:582:00:059:106:25
9:24
#22607
25K
15.53 mi13:22:052:22:129:0922:07
9:07
#22255
30K
18.64 mi13:51:212:51:289:1229:16
9:25
#21744
20M
20.00 mi14:04:173:04:249:1312:56
9:31
#21547
21M
21.00 mi14:14:133:14:209:159:56
9:56
#21334
35K
21.75 mi14:21:033:21:109:156:50
9:08
#21249
23M
23.00 mi14:32:483:32:559:1511:45
9:23
#21053
24M
24.00 mi14:41:573:42:049:159:09
9:09
#20939
40K
24.85 mi14:49:563:50:039:157:59
9:20
#20844
25.2M
25.20 mi14:53:313:53:389:163:35
10:23
#20794
Finish
26.22 mi15:02:464:02:539:169:15
9:05
#20752
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi23165138451384522135(Top 78%)13447(Top 83%)13447(Top 5898%)
10K6.21 mi3.10 mi22876+28913727+11813727+11822599(Top 80%)13615(Top 85%)13615(Top 5971%)
15K9.32 mi3.11 mi22636+24013644+8313644+8322135(Top 78%)13447(Top 83%)13447(Top 5898%)
20K12.43 mi3.11 mi22556+8013608+3613608+3622359(Top 79%)13515(Top 84%)13515(Top 5928%)
Half13.11 mi0.68 mi22607-5113637-2913637-2923252(Top 82%)13897(Top 86%)13897(Top 6095%)
25K15.53 mi2.42 mi22255+35213452+18513452+18520440(Top 72%)12608(Top 78%)12608(Top 5530%)
30K18.64 mi3.11 mi21744+51113204+24813204+24819617(Top 69%)12112(Top 75%)12112(Top 5312%)
20M20.00 mi1.36 mi21547+19713098+10613098+10619249(Top 68%)11803(Top 73%)11803(Top 5177%)
21M21.00 mi1.00 mi21334+21312978+12012978+12018044(Top 64%)11186(Top 69%)11186(Top 4906%)
35K21.75 mi0.75 mi21249+8512928+5012928+5018882(Top 66%)11451(Top 71%)11451(Top 5022%)
23M23.00 mi1.25 mi21053+19612807+12112807+12118168(Top 64%)11063(Top 69%)11063(Top 4852%)
24M24.00 mi1.00 mi20939+11412741+6612741+6618112(Top 64%)10980(Top 68%)10980(Top 4816%)
40K24.85 mi0.85 mi20844+9512675+6612675+6618019(Top 63%)10845(Top 67%)10845(Top 4757%)
25.2M25.20 mi0.35 mi20794+5012641+3412641+3418595(Top 65%)11127(Top 69%)11127(Top 4880%)
Finish26.22 mi1.02 mi20752+4212609+3212609+3219405(Top 68%)11539(Top 72%)11539(Top 5061%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22135

Males

13447

M70-74

13447

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22599

Males

13615

M70-74

13615

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22135

Males

13447

M70-74

13447

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22359

Males

13515

M70-74

13515

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

23252

Males

13897

M70-74

13897

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20440

Males

12608

M70-74

12608

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

19617

Males

12112

M70-74

12112

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19249

Males

11803

M70-74

11803

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18044

Males

11186

M70-74

11186

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

18882

Males

11451

M70-74

11451

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18168

Males

11063

M70-74

11063

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18112

Males

10980

M70-74

10980

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

18019

Males

10845

M70-74

10845

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18595

Males

11127

M70-74

11127

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19405

Males

11539

M70-74

11539

Passing Analysis

Category:
Athletes Passed
2921
Passed By
508
Net Change
+2413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23165
5K → 10K396107+289#23165#22876
10K → 15K30969+240#22876#22636
15K → 20K211131+80#22636#22556
20K → Half2172-51#22556#22607
Half → 25K36210+352#22607#22255
25K → 30K53423+511#22255#21744
30K → 20M21417+197#21744#21547
20M → 21M2196+213#21547#21334
21M → 35K9813+85#21334#21249
35K → 23M20610+196#21249#21053
23M → 24M12410+114#21053#20939
24M → 40K11116+95#20939#20844
40K → 25.2M566+50#20844#20794
25.2M → Finish6018+42#20794#20752
TOTALS2921508+2413
📊

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