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BOSTON MARATHON 2025

David King

Bib: 8445•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:20
Rank: #9358
Start → 5K
22:20 | 7:11/mi
10K· 6.21 mi
44:43
Rank: #9423 (-65)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:07:18
Rank: #9501 (-78)
10K → 15K
22:35 | 7:16/mi
20K· 12.43 mi
1:30:10
Rank: #9456 (+45)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:35:10
Rank: #9489 (-33)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:55:28
Rank: #10713 (-1224)
Half → 25K
20:18 | 8:22/mi
30K· 18.64 mi
2:19:06
Rank: #10246 (+467)
25K → 30K
23:38 | 7:36/mi
20M
2:29:51
Rank: #10171 (+75)
30K → 20M
10:45 | 7:55/mi
21M
2:37:54
Rank: #9979 (+192)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:43:13
Rank: #9775 (+204)
21M → 35K
5:19 | 7:06/mi
23M
2:52:21
Rank: #9438 (+337)
35K → 23M
9:08 | 7:18/mi
24M
2:59:38
Rank: #9267 (+171)
23M → 24M
7:17 | 7:17/mi
40K· 24.85 mi
3:06:06
Rank: #9138 (+129)
24M → 40K
6:28 | 7:34/mi
25.2M
3:08:56
Rank: #9073 (+65)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:16:44
Rank: #9101 (-28)
25.2M → Finish
7:48 | 7:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:10
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:3722:207:1122:20
7:11
-
10K
6.21 mi10:52:0044:437:1222:23
7:12
+0:01
15K
9.32 mi11:14:351:07:187:1322:35
7:16
+0:04
20K
12.43 mi11:37:271:30:107:1522:52
7:22
+0:06
Half
13.11 mi11:42:271:35:107:165:00
7:20
-0:02
25K
15.53 mi12:02:451:55:287:2620:18
8:22
+1:02
30K
18.64 mi12:26:232:19:067:2823:38
7:36
-0:46
20M
20.00 mi12:37:082:29:517:3010:45
7:55
+0:19
21M
21.00 mi12:45:112:37:547:318:03
8:03
+0:08
35K
21.75 mi12:50:302:43:137:305:19
7:06
-0:57
23M
23.00 mi12:59:382:52:217:309:08
7:18
+0:12
24M
24.00 mi13:06:552:59:387:297:17
7:17
-0:01
40K
24.85 mi13:13:233:06:067:296:28
7:34
+0:17
25.2M
25.20 mi13:16:133:08:567:302:50
8:13
+0:39
Finish
26.22 mi13:24:013:16:447:317:48
7:39
-0:34

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

7:06 /mi

Average Pace

7:31 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:48

79% of race

Time at Steady Pace

41:56

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:30 /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 mi10:29:3722:207:1122:20
7:11
#9358
10K
6.21 mi10:52:0044:437:1222:23
7:12
#9423
15K
9.32 mi11:14:351:07:187:1322:35
7:16
#9501
20K
12.43 mi11:37:271:30:107:1522:52
7:22
#9456
Half
13.11 mi11:42:271:35:107:165:00
7:20
#9489
25K
15.53 mi12:02:451:55:287:2620:18
8:22
#10713
30K
18.64 mi12:26:232:19:067:2823:38
7:36
#10246
20M
20.00 mi12:37:082:29:517:3010:45
7:55
#10171
21M
21.00 mi12:45:112:37:547:318:03
8:03
#9979
35K
21.75 mi12:50:302:43:137:305:19
7:06
#9775
23M
23.00 mi12:59:382:52:217:309:08
7:18
#9438
24M
24.00 mi13:06:552:59:387:297:17
7:17
#9267
40K
24.85 mi13:13:233:06:067:296:28
7:34
#9138
25.2M
25.20 mi13:16:133:08:567:302:50
8:13
#9073
Finish
26.22 mi13:24:013:16:447:317:48
7:39
#9101
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9358780078009712(Top 34%)7926(Top 49%)7926(Top 397%)
10K6.21 mi3.10 mi9423-657859-597859-599513(Top 33%)7885(Top 49%)7885(Top 395%)
15K9.32 mi3.11 mi9501-787878-197878-199712(Top 34%)7926(Top 49%)7926(Top 397%)
20K12.43 mi3.11 mi9456+457808+707808+709537(Top 34%)7755(Top 48%)7755(Top 389%)
Half13.11 mi0.68 mi9489-337823-157823-1510182(Top 36%)8098(Top 50%)8098(Top 406%)
25K15.53 mi2.42 mi10713-12248444-6218444-62116354(Top 58%)10793(Top 67%)10793(Top 541%)
30K18.64 mi3.11 mi10246+4678142+3028142+3028495(Top 30%)6877(Top 43%)6877(Top 345%)
20M20.00 mi1.36 mi10171+758074+688074+689792(Top 34%)7422(Top 46%)7422(Top 372%)
21M21.00 mi1.00 mi9979+1927934+1407934+1407638(Top 27%)6056(Top 38%)6056(Top 303%)
35K21.75 mi0.75 mi9775+2047805+1297805+1296046(Top 21%)5103(Top 32%)5103(Top 256%)
23M23.00 mi1.25 mi9438+3377586+2197586+2195450(Top 19%)4639(Top 29%)4639(Top 232%)
24M24.00 mi1.00 mi9267+1717458+1287458+1286319(Top 22%)5119(Top 32%)5119(Top 256%)
40K24.85 mi0.85 mi9138+1297351+1077351+1077181(Top 25%)5542(Top 34%)5542(Top 278%)
25.2M25.20 mi0.35 mi9073+657297+547297+547143(Top 25%)5433(Top 34%)5433(Top 272%)
Finish26.22 mi1.02 mi9101-287268+297268+2910316(Top 36%)7146(Top 44%)7146(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9712

Males

7926

M50-54

7926

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9513

Males

7885

M50-54

7885

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9712

Males

7926

M50-54

7926

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9537

Males

7755

M50-54

7755

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10182

Males

8098

M50-54

8098

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16354

Males

10793

M50-54

10793

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8495

Males

6877

M50-54

6877

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9792

Males

7422

M50-54

7422

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7638

Males

6056

M50-54

6056

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6046

Males

5103

M50-54

5103

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5450

Males

4639

M50-54

4639

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6319

Males

5119

M50-54

5119

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7181

Males

5542

M50-54

5542

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7143

Males

5433

M50-54

5433

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10316

Males

7146

M50-54

7146

Passing Analysis

Category:
Athletes Passed
2474*
Passed By
2215
Net Change
+257
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9358
5K → 10K198263-65#9358#9423
10K → 15K133211-78#9423#9501
15K → 20K209164+45#9501#9456
20K → Half2356-33#9456#9489
Half → 25K231245-1224#9489#10713
25K → 30K49225+467#10713#10246
30K → 20M15176+75#10246#10171
20M → 21M223*31+192#10171#9979
21M → 35K2062+204#9979#9775
35K → 23M3392+337#9775#9438
23M → 24M18312+171#9438#9267
24M → 40K14920+129#9267#9138
40K → 25.2M749+65#9138#9073
25.2M → Finish7199-28#9073#9101
TOTALS2474*2215+257

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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