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BOSTON MARATHON 2025

Mark Stockwell

Bib: 19856•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
Top 17%
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
7:18/mi
22:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
45:58
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:09:34
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:33:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:38:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:57:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:23:51
↑ 181↓ 1480.2%
20M
9:10/mi
2:36:18
↑ 64↓ 500.2%
21M
9:59/mi
2:46:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
2:52:45
↑ 17↓ 861.7%
23M
9:37/mi
3:04:48
↑ 23↓ 630.6%
24M
11:47/mi
3:16:35
↓ 821.3%
40K· 24.85 mi
12:27/mi
3:27:14
↓ 200.3%
25.2M
12:40/mi
3:31:36
↑ 13↓ 160.2%
Finish· 26.22 mi
10:18/mi
3:42:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:28
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time2:03:38
Pace9:26 /mi
📊Positive Split: 25.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1222:427:1822:42
7:18
-
10K
6.21 mi11:37:2845:587:2423:16
7:29
+0:11
15K
9.32 mi12:01:041:09:347:2823:36
7:36
+0:07
20K
12.43 mi12:24:521:33:227:3123:48
7:40
+0:04
Half
13.11 mi12:29:581:38:287:315:06
7:29
-0:11
25K
15.53 mi12:48:551:57:257:3418:57
7:49
+0:20
30K
18.64 mi13:15:212:23:517:4326:26
8:30
+0:41
20M
20.00 mi13:27:482:36:187:4912:27
9:10
+0:40
21M
21.00 mi13:37:472:46:177:559:59
9:59
+0:49
35K
21.75 mi13:44:152:52:457:576:28
8:39
-1:20
23M
23.00 mi13:56:183:04:488:0212:03
9:37
+0:58
24M
24.00 mi14:08:053:16:358:1111:47
11:47
+2:10
40K
24.85 mi14:18:443:27:148:2010:39
12:27
+0:40
25.2M
25.20 mi14:23:063:31:368:244:22
12:40
+0:13
Finish
26.22 mi14:33:363:42:068:2910:30
10:18
-2:22

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

7:18 /mi

Average Pace

8:29 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:28

44% of race

Time at Steady Pace

1:04:18

29% of race

Time at Slower Pace

59:20

27% of race

Average Pace: 8:28 /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 mi11:14:1222:427:1822:42
7:18
#10425
10K
6.21 mi11:37:2845:587:2423:16
7:29
#11216
15K
9.32 mi12:01:041:09:347:2823:36
7:36
#11661
20K
12.43 mi12:24:521:33:227:3123:48
7:40
#11745
Half
13.11 mi12:29:581:38:287:315:06
7:29
#11727
25K
15.53 mi12:48:551:57:257:3418:57
7:49
#11834
30K
18.64 mi13:15:212:23:517:4326:26
8:30
#12408
20M
20.00 mi13:27:482:36:187:4912:27
9:10
#12860
21M
21.00 mi13:37:472:46:177:559:59
9:59
#13235
35K
21.75 mi13:44:152:52:457:576:28
8:39
#13357
23M
23.00 mi13:56:183:04:488:0212:03
9:37
#13799
24M
24.00 mi14:08:053:16:358:1111:47
11:47
#14818
40K
24.85 mi14:18:443:27:148:2010:39
12:27
#15662
25.2M
25.20 mi14:23:063:31:368:244:22
12:40
#15927
Finish
26.22 mi14:33:363:42:068:2910:30
10:18
#16385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi104258403840312566(Top 44%)9336(Top 58%)9336(Top 1461%)
10K6.21 mi3.10 mi11216-7918783-3808783-38012004(Top 42%)9155(Top 57%)9155(Top 1433%)
15K9.32 mi3.11 mi11661-4458976-1938976-19312566(Top 44%)9336(Top 58%)9336(Top 1461%)
20K12.43 mi3.11 mi11745-848975+18975+112038(Top 42%)8997(Top 56%)8997(Top 1408%)
Half13.11 mi0.68 mi11727+188968+78968+711494(Top 40%)8804(Top 55%)8804(Top 1378%)
25K15.53 mi2.42 mi11834-1078966+28966+212482(Top 44%)9071(Top 56%)9071(Top 1420%)
30K18.64 mi3.11 mi12408-5749159-1939159-19314806(Top 52%)9969(Top 62%)9969(Top 1560%)
20M20.00 mi1.36 mi12860-4529322-1639322-16317582(Top 62%)11069(Top 69%)11069(Top 1732%)
21M21.00 mi1.00 mi13235-3759460-1389460-13818218(Top 64%)11259(Top 70%)11259(Top 1762%)
35K21.75 mi0.75 mi13357-1229488-289488-2816299(Top 57%)10308(Top 64%)10308(Top 1613%)
23M23.00 mi1.25 mi13799-4429646-1589646-15819158(Top 67%)11514(Top 71%)11514(Top 1802%)
24M24.00 mi1.00 mi14818-101910082-43610082-43625372(Top 89%)14491(Top 90%)14491(Top 2268%)
40K24.85 mi0.85 mi15662-84410410-32810410-32825598(Top 90%)14580(Top 91%)14580(Top 2282%)
25.2M25.20 mi0.35 mi15927-26510507-9710507-9724467(Top 86%)13986(Top 87%)13986(Top 2189%)
Finish26.22 mi1.02 mi16385-45810684-17710684-17723789(Top 84%)13658(Top 85%)13658(Top 2137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

12566

Males

9336

M65-69

9336

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

12004

Males

9155

M65-69

9155

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

12566

Males

9336

M65-69

9336

15K→20K

9.3 - 12.4 mi

Top 42%
×5story building
+106ft-86ft

Overall

12038

Males

8997

M65-69

8997

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11494

Males

8804

M65-69

8804

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12482

Males

9071

M65-69

9071

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14806

Males

9969

M65-69

9969

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17582

Males

11069

M65-69

11069

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18218

Males

11259

M65-69

11259

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16299

Males

10308

M65-69

10308

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19158

Males

11514

M65-69

11514

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25372

Males

14491

M65-69

14491

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25598

Males

14580

M65-69

14580

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24467

Males

13986

M65-69

13986

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23789

Males

13658

M65-69

13658

Passing Analysis

Category:
Athletes Passed
743
Passed By
6703
Net Change
-5960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10425
5K → 10K55846-791#10425#11216
10K → 15K83528-445#11216#11661
15K → 20K158242-84#11661#11745
20K → Half4123+18#11745#11727
Half → 25K130237-107#11727#11834
25K → 30K110684-574#11834#12408
30K → 20M41493-452#12408#12860
20M → 21M31406-375#12860#13235
21M → 35K38160-122#13235#13357
35K → 23M32474-442#13357#13799
23M → 24M51024-1019#13799#14818
24M → 40K6850-844#14818#15662
40K → 25.2M5270-265#15662#15927
25.2M → Finish8466-458#15927#16385
TOTALS7436703-5960
📊

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