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BOSTON MARATHON 2025

Jerald Cook

Bib: 19109•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:38/mi
26:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:26/mi
56:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:41/mi
1:26:12
↑ 67↓ 78
20K· 12.43 mi
10:55/mi
2:00:06
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:07:21
↑ 19↓ 370.5%
25K· 15.53 mi
12:04/mi
2:36:36
↑ 66↓ 880.2%
30K· 18.64 mi
13:30/mi
3:18:33
↑ 181↓ 1480.2%
20M
15:36/mi
3:39:45
↑ 64↓ 500.2%
21M
16:47/mi
3:56:32
↑ 106↓ 241.6%
35K· 21.75 mi
19:44/mi
4:11:18
↑ 17↓ 861.7%
23M
16:38/mi
4:32:08
↑ 23↓ 630.6%
24M
15:20/mi
4:47:28
↓ 821.3%
40K· 24.85 mi
14:37/mi
4:59:58
↓ 200.3%
25.2M
15:05/mi
5:05:10
↑ 13↓ 160.2%
Finish· 26.22 mi
12:04/mi
5:17:28
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:21
Pace9:43 /mi
2nd Half
Distance13.11 mi
Time3:10:07
Pace14:30 /mi
📊Positive Split: 49.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2326:488:3826:48
8:38
-
10K
6.21 mi11:53:4256:079:0229:19
9:26
+0:48
15K
9.32 mi12:23:471:26:129:1530:05
9:41
+0:15
20K
12.43 mi12:57:412:00:069:4033:54
10:55
+1:14
Half
13.11 mi13:04:562:07:219:437:15
10:38
-0:17
25K
15.53 mi13:34:112:36:3610:0529:15
12:04
+1:26
30K
18.64 mi14:16:083:18:3310:3941:57
13:30
+1:26
20M
20.00 mi14:37:203:39:4510:5921:12
15:36
+2:06
21M
21.00 mi14:54:073:56:3211:1616:47
16:47
+1:11
35K
21.75 mi15:08:534:11:1811:3314:46
19:44
+2:57
23M
23.00 mi15:29:434:32:0811:5020:50
16:38
-3:06
24M
24.00 mi15:45:034:47:2811:5915:20
15:20
-1:18
40K
24.85 mi15:57:334:59:5812:0412:30
14:37
-0:43
25.2M
25.20 mi16:02:455:05:1012:075:12
15:05
+0:28
Finish
26.22 mi16:15:035:17:2812:0712:18
12:04
-3:01

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

8:38 /mi

Average Pace

12:07 /mi

Slowest Pace

19:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:21

40% of race

Time at Steady Pace

1:36:00

30% of race

Time at Slower Pace

1:34:07

30% of race

Average Pace: 12:06 /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 mi11:24:2326:488:3826:48
8:38
#20610
10K
6.21 mi11:53:4256:079:0229:19
9:26
#22546
15K
9.32 mi12:23:471:26:129:1530:05
9:41
#23265
20K
12.43 mi12:57:412:00:069:4033:54
10:55
#24206
Half
13.11 mi13:04:562:07:219:437:15
10:38
#24321
25K
15.53 mi13:34:112:36:3610:0529:15
12:04
#24901
30K
18.64 mi14:16:083:18:3310:3941:57
13:30
#25510
20M
20.00 mi14:37:203:39:4510:5921:12
15:36
#25894
21M
21.00 mi14:54:073:56:3211:1616:47
16:47
#26134
35K
21.75 mi15:08:534:11:1811:3314:46
19:44
#26505
23M
23.00 mi15:29:434:32:0811:5020:50
16:38
#26779
24M
24.00 mi15:45:034:47:2811:5915:20
15:20
#26897
40K
24.85 mi15:57:334:59:5812:0412:30
14:37
#26948
25.2M
25.20 mi16:02:455:05:1012:075:12
15:05
#26954
Finish
26.22 mi16:15:035:17:2812:0712:18
12:04
#26954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20610126931269324231(Top 85%)14368(Top 89%)14368(Top 872%)
10K6.21 mi3.10 mi22546-193613572-87913572-87923943(Top 84%)14232(Top 88%)14232(Top 864%)
15K9.32 mi3.11 mi23265-71913931-35913931-35924231(Top 85%)14368(Top 89%)14368(Top 872%)
20K12.43 mi3.11 mi24206-94114336-40514336-40525867(Top 91%)15067(Top 94%)15067(Top 914%)
Half13.11 mi0.68 mi24321-11514377-4114377-4125988(Top 91%)15108(Top 94%)15108(Top 917%)
25K15.53 mi2.42 mi24901-58014637-26014637-26026498(Top 93%)15294(Top 95%)15294(Top 928%)
30K18.64 mi3.11 mi25510-60914877-24014877-24027144(Top 96%)15495(Top 96%)15495(Top 940%)
20M20.00 mi1.36 mi25894-38415050-17315050-17328070(Top 99%)15910(Top 99%)15910(Top 965%)
21M21.00 mi1.00 mi26134-24015140-9015140-9028103(Top 99%)15922(Top 99%)15922(Top 966%)
35K21.75 mi0.75 mi26505-37115297-15715297-15728376(Top 100%)16087(Top 100%)16087(Top 976%)
23M23.00 mi1.25 mi26779-27415408-11115408-11128241(Top 99%)15996(Top 99%)15996(Top 971%)
24M24.00 mi1.00 mi26897-11815453-4515453-4528118(Top 99%)15905(Top 99%)15905(Top 965%)
40K24.85 mi0.85 mi26948-5115471-1815471-1827580(Top 97%)15601(Top 97%)15601(Top 947%)
25.2M25.20 mi0.35 mi26954-615468+315468+327190(Top 96%)15377(Top 95%)15377(Top 933%)
Finish26.22 mi1.02 mi2695415464+415464+426881(Top 95%)15237(Top 95%)15237(Top 925%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24231

Males

14368

M55-59

14368

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23943

Males

14232

M55-59

14232

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24231

Males

14368

M55-59

14368

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25867

Males

15067

M55-59

15067

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25988

Males

15108

M55-59

15108

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26498

Males

15294

M55-59

15294

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

27144

Males

15495

M55-59

15495

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

28070

Males

15910

M55-59

15910

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

28103

Males

15922

M55-59

15922

21M→35K

21.0 - 21.8 mi

Top 100%
×7story building
+17ft-86ft

Overall

28376

Males

16087

M55-59

16087

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

28241

Males

15996

M55-59

15996

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

28118

Males

15905

M55-59

15905

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27580

Males

15601

M55-59

15601

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27190

Males

15377

M55-59

15377

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

26881

Males

15237

M55-59

15237

Passing Analysis

Category:
Athletes Passed
165
Passed By
6509
Net Change
-6344
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20610
5K → 10K121948-1936#20610#22546
10K → 15K41760-719#22546#23265
15K → 20K15956-941#23265#24206
20K → Half5120-115#24206#24321
Half → 25K12592-580#24321#24901
25K → 30K15624-609#24901#25510
30K → 20M7391-384#25510#25894
20M → 21M5245-240#25894#26134
21M → 35K1372-371#26134#26505
35K → 23M7281-274#26505#26779
23M → 24M11129-118#26779#26897
24M → 40K960-51#26897#26948
40K → 25.2M814-6#26948#26954
25.2M → Finish17170#26954#26954
TOTALS1656509-6344
📊

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