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BOSTON MARATHON 2025

Bryan Su

Bib: 30248•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:30
Rank: #24232
Start → 5K
29:30 | 9:30/mi
10K· 6.21 mi
58:57
Rank: #24142 (+90)
5K → 10K
29:27 | 9:29/mi
15K· 9.32 mi
1:30:39
Rank: #24643 (-501)
10K → 15K
31:42 | 10:12/mi
20K· 12.43 mi
2:06:33
Rank: #25403 (-760)
15K → 20K
35:54 | 11:33/mi
Half· 13.11 mi
2:13:10
Rank: #25336 (+67)
20K → Half
6:37 | 9:42/mi
25K· 15.53 mi
2:48:55
Rank: #26310 (-974)
Half → 25K
35:45 | 14:45/mi
30K· 18.64 mi
3:37:41
Rank: #26995 (-685)
25K → 30K
48:46 | 15:42/mi
20M
3:59:00
Rank: #27135 (-140)
30K → 20M
21:19 | 15:41/mi
21M
4:15:15
Rank: #27207 (-72)
20M → 21M
16:15 | 16:15/mi
35K· 21.75 mi
4:26:45
Rank: #27293 (-86)
21M → 35K
11:30 | 15:22/mi
23M
4:44:58
Rank: #27344 (-51)
35K → 23M
18:13 | 14:33/mi
24M
4:58:43
Rank: #27362 (-18)
23M → 24M
13:45 | 13:45/mi
40K· 24.85 mi
5:11:07
Rank: #27366 (-4)
24M → 40K
12:24 | 14:30/mi
25.2M
5:16:36
Rank: #27382 (-16)
40K → 25.2M
5:29 | 15:54/mi
Finish· 26.22 mi
5:27:45
Rank: #27347 (+35)
25.2M → Finish
11:09 | 10:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:10
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time3:14:35
Pace14:51 /mi
📊Positive Split: 46.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5729:309:3029:30
9:30
-
10K
6.21 mi12:21:2458:579:2929:27
9:29
-0:01
15K
9.32 mi12:53:061:30:399:4431:42
10:12
+0:43
20K
12.43 mi13:29:002:06:3310:1135:54
11:33
+1:21
Half
13.11 mi13:35:372:13:1010:096:37
9:42
-1:51
25K
15.53 mi14:11:222:48:5510:5235:45
14:45
+5:03
30K
18.64 mi15:00:083:37:4111:4148:46
15:42
+0:57
20M
20.00 mi15:21:273:59:0011:5721:19
15:41
-0:01
21M
21.00 mi15:37:424:15:1512:0916:15
16:15
+0:34
35K
21.75 mi15:49:124:26:4512:1611:30
15:22
-0:53
23M
23.00 mi16:07:254:44:5812:2318:13
14:33
-0:49
24M
24.00 mi16:21:104:58:4312:2713:45
13:45
-0:48
40K
24.85 mi16:33:345:11:0712:3112:24
14:30
+0:45
25.2M
25.20 mi16:39:035:16:3612:345:29
15:54
+1:24
Finish
26.22 mi16:50:125:27:4512:3111:09
10:56
-4:58

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

9:29 /mi

Average Pace

12:31 /mi

Slowest Pace

16:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:19

44% of race

Time at Steady Pace

2:41:42

49% of race

Time at Slower Pace

21:44

7% of race

Average Pace: 12:30 /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 mi11:51:5729:309:3029:30
9:30
#24232
10K
6.21 mi12:21:2458:579:2929:27
9:29
#24142
15K
9.32 mi12:53:061:30:399:4431:42
10:12
#24643
20K
12.43 mi13:29:002:06:3310:1135:54
11:33
#25403
Half
13.11 mi13:35:372:13:1010:096:37
9:42
#25336
25K
15.53 mi14:11:222:48:5510:5235:45
14:45
#26310
30K
18.64 mi15:00:083:37:4111:4148:46
15:42
#26995
20M
20.00 mi15:21:273:59:0011:5721:19
15:41
#27135
21M
21.00 mi15:37:424:15:1512:0916:15
16:15
#27207
35K
21.75 mi15:49:124:26:4512:1611:30
15:22
#27293
23M
23.00 mi16:07:254:44:5812:2318:13
14:33
#27344
24M
24.00 mi16:21:104:58:4312:2713:45
13:45
#27362
40K
24.85 mi16:33:345:11:0712:3112:24
14:30
#27366
25.2M
25.20 mi16:39:035:16:3612:345:29
15:54
#27382
Finish
26.22 mi16:50:125:27:4512:3111:09
10:56
#27347
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi24232143561435625425(Top 90%)14895(Top 92%)14895(Top 663%)
10K6.21 mi3.10 mi24142+9014318+3814318+3824048(Top 85%)14279(Top 89%)14279(Top 635%)
15K9.32 mi3.11 mi24643-50114544-22614544-22625425(Top 90%)14895(Top 92%)14895(Top 663%)
20K12.43 mi3.11 mi25403-76014879-33514879-33526687(Top 94%)15413(Top 96%)15413(Top 686%)
Half13.11 mi0.68 mi25336+6714846+3314846+3324102(Top 85%)14288(Top 89%)14288(Top 636%)
25K15.53 mi2.42 mi26310-97415282-43615282-43628171(Top 99%)15988(Top 99%)15988(Top 712%)
30K18.64 mi3.11 mi26995-68515536-25415536-25428218(Top 99%)15994(Top 99%)15994(Top 712%)
20M20.00 mi1.36 mi27135-14015582-4615582-4628094(Top 99%)15922(Top 99%)15922(Top 709%)
21M21.00 mi1.00 mi27207-7215605-2315605-2327920(Top 98%)15834(Top 98%)15834(Top 705%)
35K21.75 mi0.75 mi27293-8615630-2515630-2528139(Top 99%)15938(Top 99%)15938(Top 709%)
23M23.00 mi1.25 mi27344-5115647-1715647-1727677(Top 97%)15667(Top 97%)15667(Top 697%)
24M24.00 mi1.00 mi27362-18156471564727494(Top 97%)15545(Top 97%)15545(Top 692%)
40K24.85 mi0.85 mi27366-415641+615641+627519(Top 97%)15570(Top 97%)15570(Top 693%)
25.2M25.20 mi0.35 mi27382-1615647-615647-627663(Top 97%)15629(Top 97%)15629(Top 696%)
Finish26.22 mi1.02 mi27347+3515636+1115636+1125265(Top 89%)14420(Top 90%)14420(Top 642%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25425

Males

14895

M40-44

14895

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

24048

Males

14279

M40-44

14279

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25425

Males

14895

M40-44

14895

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26687

Males

15413

M40-44

15413

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24102

Males

14288

M40-44

14288

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28171

Males

15988

M40-44

15988

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28218

Males

15994

M40-44

15994

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28094

Males

15922

M40-44

15922

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27920

Males

15834

M40-44

15834

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28139

Males

15938

M40-44

15938

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

27677

Males

15667

M40-44

15667

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27494

Males

15545

M40-44

15545

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27519

Males

15570

M40-44

15570

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27663

Males

15629

M40-44

15629

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

25265

Males

14420

M40-44

14420

Passing Analysis

Category:
Athletes Passed
503
Passed By
3618
Net Change
-3115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24232
5K → 10K281191+90#24232#24142
10K → 15K34535-501#24142#24643
15K → 20K10770-760#24643#25403
20K → Half681+67#25403#25336
Half → 25K2976-974#25336#26310
25K → 30K6691-685#26310#26995
30K → 20M7147-140#26995#27135
20M → 21M476-72#27135#27207
21M → 35K591-86#27207#27293
35K → 23M1263-51#27293#27344
23M → 24M1735-18#27344#27362
24M → 40K1519-4#27362#27366
40K → 25.2M521-16#27366#27382
25.2M → Finish372+35#27382#27347
TOTALS5033618-3115
📊

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