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BOSTON MARATHON 2025

Duncan Riley

Bib: 11309•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 21%
Division (M50-54)
#0 / 1996
Top 16%
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
6:42/mi
20:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:35/mi
41:16
↑ 79↓ 1380.4%
15K· 9.32 mi
6:43/mi
1:02:08
↑ 67↓ 78
20K· 12.43 mi
7:03/mi
1:24:02
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:28:42
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:45:54
↑ 66↓ 880.2%
30K· 18.64 mi
7:34/mi
2:09:25
↑ 181↓ 1480.2%
20M
7:38/mi
2:19:47
↑ 64↓ 500.2%
21M
8:16/mi
2:28:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:24/mi
2:33:35
↑ 17↓ 861.7%
23M
7:41/mi
2:43:12
↑ 23↓ 630.6%
24M
7:28/mi
2:50:40
↓ 821.3%
40K· 24.85 mi
7:43/mi
2:57:16
↓ 200.3%
25.2M
8:16/mi
3:00:07
↑ 13↓ 160.2%
Finish· 26.22 mi
7:09/mi
3:07:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1420:486:4220:48
6:42
-
10K
6.21 mi11:07:4241:166:3820:28
6:35
-0:07
15K
9.32 mi11:28:341:02:086:4020:52
6:43
+0:08
20K
12.43 mi11:50:281:24:026:4621:54
7:03
+0:20
Half
13.11 mi11:55:081:28:426:464:40
6:50
-0:13
25K
15.53 mi12:12:201:45:546:4917:12
7:06
+0:16
30K
18.64 mi12:35:512:09:256:5723:31
7:34
+0:28
20M
20.00 mi12:46:132:19:476:5910:22
7:38
+0:04
21M
21.00 mi12:54:292:28:037:038:16
8:16
+0:38
35K
21.75 mi13:00:012:33:357:045:32
7:24
-0:52
23M
23.00 mi13:09:382:43:127:069:37
7:41
+0:17
24M
24.00 mi13:17:062:50:407:077:28
7:28
-0:13
40K
24.85 mi13:23:422:57:167:086:36
7:43
+0:15
25.2M
25.20 mi13:26:333:00:077:092:51
8:16
+0:33
Finish
26.22 mi13:33:503:07:247:097:17
7:09
-1:07

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

6:35 /mi

Average Pace

7:09 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:54

57% of race

Time at Steady Pace

54:10

29% of race

Time at Slower Pace

27:20

15% of race

Average Pace: 7:09 /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 mi10:47:1420:486:4220:48
6:42
#5387
10K
6.21 mi11:07:4241:166:3820:28
6:35
#4833
15K
9.32 mi11:28:341:02:086:4020:52
6:43
#4929
20K
12.43 mi11:50:281:24:026:4621:54
7:03
#5593
Half
13.11 mi11:55:081:28:426:464:40
6:50
#5637
25K
15.53 mi12:12:201:45:546:4917:12
7:06
#5873
30K
18.64 mi12:35:512:09:256:5723:31
7:34
#6280
20M
20.00 mi12:46:132:19:476:5910:22
7:38
#6318
21M
21.00 mi12:54:292:28:037:038:16
8:16
#6380
35K
21.75 mi13:00:012:33:357:045:32
7:24
#6382
23M
23.00 mi13:09:382:43:127:069:37
7:41
#6376
24M
24.00 mi13:17:062:50:407:077:28
7:28
#6375
40K
24.85 mi13:23:422:57:167:086:36
7:43
#6394
25.2M
25.20 mi13:26:333:00:077:092:51
8:16
#6380
Finish
26.22 mi13:33:503:07:247:097:17
7:09
#6329
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5387500450045233(Top 18%)4839(Top 30%)4839(Top 242%)
10K6.21 mi3.10 mi4833+5544518+4864518+4864370(Top 15%)4103(Top 25%)4103(Top 206%)
15K9.32 mi3.11 mi4929-964598-804598-805233(Top 18%)4839(Top 30%)4839(Top 242%)
20K12.43 mi3.11 mi5593-6645145-5475145-5477173(Top 25%)6323(Top 39%)6323(Top 317%)
Half13.11 mi0.68 mi5637-445178-335178-336433(Top 23%)5773(Top 36%)5773(Top 289%)
25K15.53 mi2.42 mi5873-2365357-1795357-1796916(Top 24%)6055(Top 38%)6055(Top 303%)
30K18.64 mi3.11 mi6280-4075657-3005657-3008196(Top 29%)6698(Top 42%)6698(Top 336%)
20M20.00 mi1.36 mi6318-385674-175674-177851(Top 28%)6338(Top 39%)6338(Top 318%)
21M21.00 mi1.00 mi6380-625703-295703-298962(Top 32%)6781(Top 42%)6781(Top 340%)
35K21.75 mi0.75 mi6382-25687+165687+167825(Top 28%)6179(Top 38%)6179(Top 310%)
23M23.00 mi1.25 mi6376+65660+275660+277756(Top 27%)6015(Top 37%)6015(Top 301%)
24M24.00 mi1.00 mi6375+15640+205640+207421(Top 26%)5768(Top 36%)5768(Top 289%)
40K24.85 mi0.85 mi6394-195626+145626+148166(Top 29%)6065(Top 38%)6065(Top 304%)
25.2M25.20 mi0.35 mi6380+145607+195607+197357(Top 26%)5522(Top 34%)5522(Top 277%)
Finish26.22 mi1.02 mi6329+515549+585549+586664(Top 23%)5124(Top 32%)5124(Top 257%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

5233

Males

4839

M50-54

4839

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4370

Males

4103

M50-54

4103

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

5233

Males

4839

M50-54

4839

15K→20K

9.3 - 12.4 mi

Top 25%
×5story building
+106ft-86ft

Overall

7173

Males

6323

M50-54

6323

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6433

Males

5773

M50-54

5773

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6916

Males

6055

M50-54

6055

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8196

Males

6698

M50-54

6698

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7851

Males

6338

M50-54

6338

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8962

Males

6781

M50-54

6781

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7825

Males

6179

M50-54

6179

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7756

Males

6015

M50-54

6015

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7421

Males

5768

M50-54

5768

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8166

Males

6065

M50-54

6065

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7357

Males

5522

M50-54

5522

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6664

Males

5124

M50-54

5124

Passing Analysis

Category:
Athletes Passed
1329
Passed By
2271
Net Change
-942
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5387
5K → 10K58228+554#5387#4833
10K → 15K78174-96#4833#4929
15K → 20K25689-664#4929#5593
20K → Half1054-44#5593#5637
Half → 25K85321-236#5637#5873
25K → 30K77484-407#5873#6280
30K → 20M76114-38#6280#6318
20M → 21M43105-62#6318#6380
21M → 35K4446-2#6380#6382
35K → 23M8579+6#6382#6376
23M → 24M6160+1#6376#6375
24M → 40K4968-19#6375#6394
40K → 25.2M3218+14#6394#6380
25.2M → Finish8231+51#6380#6329
TOTALS13292271-942
📊

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