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BOSTON MARATHON 2025

Chuck King

VT

Bib: 32431 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:12/mi
31:40
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:31/mi
1:04:21
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:54/mi
1:38:13
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:29/mi
2:13:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:07/mi
2:21:29
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:45/mi
2:52:23
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:45/mi
3:31:58
↑ 181↓ 1480.2%
138 ft elev
20M
13:29/mi
3:50:17
↑ 64↓ 500.2%
148 ft elev
21M
15:31/mi
4:05:48
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:39/mi
4:16:01
↑ 17↓ 861.7%
156 ft elev
23M
13:00/mi
4:32:18
↑ 23↓ 630.6%
116 ft elev
24M
15:41/mi
4:47:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
15:41/mi
5:01:23
↓ 200.3%
20 ft elev
25.2M
19:52/mi
5:08:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
18:27/mi
5:27:02
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:29
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time3:05:33
Pace14:09 /mi
📊Positive Split: 31.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3731:4010:1231:40
10:12
-
10K
6.21 mi12:29:181:04:2110:2132:41
10:31
+0:19
15K
9.32 mi13:03:101:38:1310:3233:52
10:54
+0:23
20K
12.43 mi13:38:512:13:5410:4635:41
11:29
+0:35
Half
13.11 mi13:46:262:21:2910:487:35
11:07
-0:22
25K
15.53 mi14:17:202:52:2311:0630:54
12:45
+1:38
30K
18.64 mi14:56:553:31:5811:2239:35
12:45
0:00
20M
20.00 mi15:15:143:50:1711:3118:19
13:29
+0:44
21M
21.00 mi15:30:454:05:4811:4215:31
15:31
+2:02
35K
21.75 mi15:40:584:16:0111:4610:13
13:39
-1:52
23M
23.00 mi15:57:154:32:1811:5016:17
13:00
-0:39
24M
24.00 mi16:12:564:47:5912:0015:41
15:41
+2:41
40K
24.85 mi16:26:205:01:2312:0813:24
15:41
0:00
25.2M
25.20 mi16:33:115:08:1412:146:51
19:52
+4:11
Finish
26.22 mi16:51:595:27:0212:2918:48
18:27
-1:25

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

10:12 /mi

Average Pace

12:29 /mi

Slowest Pace

19:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:29

43% of race

Time at Steady Pace

1:55:18

35% of race

Time at Slower Pace

1:10:15

21% of race

Average Pace: 12:28 /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 mi11:56:3731:4010:1231:40
10:12
#26048
10K
6.21 mi12:29:181:04:2110:2132:41
10:31
#26210
15K
9.32 mi13:03:101:38:1310:3233:52
10:54
#26355
20K
12.43 mi13:38:512:13:5410:4635:41
11:29
#26452
Half
13.11 mi13:46:262:21:2910:487:35
11:07
#26457
25K
15.53 mi14:17:202:52:2311:0630:54
12:45
#26645
30K
18.64 mi14:56:553:31:5811:2239:35
12:45
#26622
20M
20.00 mi15:15:143:50:1711:3118:19
13:29
#26657
21M
21.00 mi15:30:454:05:4811:4215:31
15:31
#26754
35K
21.75 mi15:40:584:16:0111:4610:13
13:39
#26802
23M
23.00 mi15:57:154:32:1811:5016:17
13:00
#26793
24M
24.00 mi16:12:564:47:5912:0015:41
15:41
#26934
40K
24.85 mi16:26:205:01:2312:0813:24
15:41
#27003
25.2M
25.20 mi16:33:115:08:1412:146:51
19:52
#27082
Finish
26.22 mi16:51:595:27:0212:2918:48
18:27
#27320
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi26048151941519426542(Top 93%)15383(Top 96%)15383(Top 645%)
10K6.21 mi3.10 mi26210-16215261-6715261-6726311(Top 93%)15284(Top 95%)15284(Top 641%)
15K9.32 mi3.11 mi26355-14515311-5015311-5026542(Top 93%)15383(Top 96%)15383(Top 645%)
20K12.43 mi3.11 mi26452-9715344-3315344-3326614(Top 94%)15378(Top 95%)15378(Top 645%)
Half13.11 mi0.68 mi26457-515349-515349-526670(Top 94%)15387(Top 96%)15387(Top 645%)
25K15.53 mi2.42 mi26645-18815411-6215411-6227107(Top 95%)15546(Top 97%)15546(Top 652%)
30K18.64 mi3.11 mi26622+2315381+3015381+3026421(Top 93%)15171(Top 94%)15171(Top 636%)
20M20.00 mi1.36 mi26657-3515379+215379+226880(Top 95%)15319(Top 95%)15319(Top 642%)
21M21.00 mi1.00 mi26754-9715414-3515414-3527547(Top 97%)15640(Top 97%)15640(Top 655%)
35K21.75 mi0.75 mi26802-4815424-1015424-1027464(Top 97%)15561(Top 97%)15561(Top 652%)
23M23.00 mi1.25 mi26793+915415+915415+926379(Top 93%)15028(Top 93%)15028(Top 630%)
24M24.00 mi1.00 mi26934-14115473-5815473-5828174(Top 99%)15940(Top 99%)15940(Top 668%)
40K24.85 mi0.85 mi27003-6915495-2215495-2228010(Top 99%)15839(Top 98%)15839(Top 664%)
25.2M25.20 mi0.35 mi27082-7915520-2515520-2528349(Top 100%)16066(Top 100%)16066(Top 673%)
Finish26.22 mi1.02 mi27320-23815619-9915619-9928380(Top 100%)16090(Top 100%)16090(Top 674%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26542

Males

15383

M45-49

15383

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26311

Males

15284

M45-49

15284

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26542

Males

15383

M45-49

15383

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26614

Males

15378

M45-49

15378

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

26670

Males

15387

M45-49

15387

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

27107

Males

15546

M45-49

15546

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

26421

Males

15171

M45-49

15171

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

26880

Males

15319

M45-49

15319

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

27547

Males

15640

M45-49

15640

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27464

Males

15561

M45-49

15561

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26379

Males

15028

M45-49

15028

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28174

Males

15940

M45-49

15940

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28010

Males

15839

M45-49

15839

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28349

Males

16066

M45-49

16066

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

28380

Males

16090

M45-49

16090

Passing Analysis

Category:
Athletes Passed
524
Passed By
1796
Net Change
-1272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26048
5K → 10K112274-162#26048#26210
10K → 15K81226-145#26210#26355
15K → 20K87184-97#26355#26452
20K → Half1419-5#26452#26457
Half → 25K35223-188#26457#26645
25K → 30K9168+23#26645#26622
30K → 20M3368-35#26622#26657
20M → 21M11108-97#26657#26754
21M → 35K957-48#26754#26802
35K → 23M3627+9#26802#26793
23M → 24M8149-141#26793#26934
24M → 40K574-69#26934#27003
40K → 25.2M079-79#27003#27082
25.2M → Finish2240-238#27082#27320
TOTALS5241796-1272
📊

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