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BOSTON MARATHON 2025

Fredrick Jackson

Bib: 16950•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
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
9:05/mi
28:13
↑ 97↓ 3451.5%
10K· 6.21 mi
9:00/mi
56:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:53/mi
1:23:46
↑ 67↓ 78
20K· 12.43 mi
9:07/mi
1:52:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:57:59
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:20:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:21/mi
2:49:41
↑ 181↓ 1480.2%
20M
9:13/mi
3:02:12
↑ 64↓ 500.2%
21M
9:42/mi
3:11:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:18:29
↑ 17↓ 861.7%
23M
9:07/mi
3:29:54
↑ 23↓ 630.6%
24M
8:44/mi
3:38:38
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:46:23
↓ 200.3%
25.2M
9:40/mi
3:49:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:21/mi
3:58:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:59
Pace9:00 /mi
2nd Half
Distance13.11 mi
Time2:00:15
Pace9:10 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:01:5728:139:0528:13
9:05
-
10K
6.21 mi11:29:5556:119:0327:58
9:00
-0:05
15K
9.32 mi11:57:301:23:468:5927:35
8:53
-0:07
20K
12.43 mi12:25:481:52:049:0128:18
9:07
+0:14
Half
13.11 mi12:31:431:57:599:005:55
8:40
-0:27
25K
15.53 mi12:54:232:20:399:0322:40
9:21
+0:41
30K
18.64 mi13:23:252:49:419:0629:02
9:21
0:00
20M
20.00 mi13:35:563:02:129:0712:31
9:13
-0:08
21M
21.00 mi13:45:383:11:549:089:42
9:42
+0:29
35K
21.75 mi13:52:133:18:299:086:35
8:48
-0:54
23M
23.00 mi14:03:383:29:549:0811:25
9:07
+0:19
24M
24.00 mi14:12:223:38:389:078:44
8:44
-0:23
40K
24.85 mi14:20:073:46:239:067:45
9:04
+0:20
25.2M
25.20 mi14:23:273:49:439:073:20
9:40
+0:36
Finish
26.22 mi14:31:583:58:149:068:31
8:21
-1:19

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

8:21 /mi

Average Pace

9:06 /mi

Slowest Pace

9:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:59

68% of race

Time at Steady Pace

1:17:15

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:01:5728:139:0528:13
9:05
#22780
10K
6.21 mi11:29:5556:119:0327:58
9:00
#22582
15K
9.32 mi11:57:301:23:468:5927:35
8:53
#22221
20K
12.43 mi12:25:481:52:049:0128:18
9:07
#22006
Half
13.11 mi12:31:431:57:599:005:55
8:40
#21921
25K
15.53 mi12:54:232:20:399:0322:40
9:21
#21802
30K
18.64 mi13:23:252:49:419:0629:02
9:21
#21346
20M
20.00 mi13:35:563:02:129:0712:31
9:13
#21069
21M
21.00 mi13:45:383:11:549:089:42
9:42
#20818
35K
21.75 mi13:52:133:18:299:086:35
8:48
#20690
23M
23.00 mi14:03:383:29:549:0811:25
9:07
#20487
24M
24.00 mi14:12:223:38:389:078:44
8:44
#20337
40K
24.85 mi14:20:073:46:239:067:45
9:04
#20204
25.2M
25.20 mi14:23:273:49:439:073:20
9:40
#20139
Finish
26.22 mi14:31:583:58:149:068:31
8:21
#19989
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22780136571365721436(Top 75%)13135(Top 82%)13135(Top 5761%)
10K6.21 mi3.10 mi22582+19813590+6713590+6722389(Top 79%)13519(Top 84%)13519(Top 5929%)
15K9.32 mi3.11 mi22221+36113451+13913451+13921436(Top 75%)13135(Top 82%)13135(Top 5761%)
20K12.43 mi3.11 mi22006+21513346+10513346+10521473(Top 76%)13111(Top 81%)13111(Top 5750%)
Half13.11 mi0.68 mi21921+8513303+4313303+4320162(Top 71%)12530(Top 78%)12530(Top 5496%)
25K15.53 mi2.42 mi21802+11913242+6113242+6121350(Top 75%)13012(Top 81%)13012(Top 5707%)
30K18.64 mi3.11 mi21346+45613013+22913013+22919318(Top 68%)11975(Top 74%)11975(Top 5252%)
20M20.00 mi1.36 mi21069+27712868+14512868+14517826(Top 63%)11176(Top 69%)11176(Top 4902%)
21M21.00 mi1.00 mi20818+25112743+12512743+12517028(Top 60%)10718(Top 67%)10718(Top 4701%)
35K21.75 mi0.75 mi20690+12812667+7612667+7617241(Top 61%)10719(Top 67%)10719(Top 4701%)
23M23.00 mi1.25 mi20487+20312554+11312554+11316916(Top 60%)10478(Top 65%)10478(Top 4596%)
24M24.00 mi1.00 mi20337+15012465+8912465+8915932(Top 56%)10007(Top 62%)10007(Top 4389%)
40K24.85 mi0.85 mi20204+13312376+8912376+8916683(Top 59%)10235(Top 64%)10235(Top 4489%)
25.2M25.20 mi0.35 mi20139+6512340+3612340+3615428(Top 54%)9623(Top 60%)9623(Top 4221%)
Finish26.22 mi1.02 mi19989+15012261+7912261+7915293(Top 54%)9623(Top 60%)9623(Top 4221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

21436

Males

13135

M70-74

13135

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22389

Males

13519

M70-74

13519

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

21436

Males

13135

M70-74

13135

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

21473

Males

13111

M70-74

13111

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20162

Males

12530

M70-74

12530

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21350

Males

13012

M70-74

13012

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19318

Males

11975

M70-74

11975

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17826

Males

11176

M70-74

11176

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17028

Males

10718

M70-74

10718

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17241

Males

10719

M70-74

10719

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16916

Males

10478

M70-74

10478

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15932

Males

10007

M70-74

10007

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16683

Males

10235

M70-74

10235

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15428

Males

9623

M70-74

9623

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15293

Males

9623

M70-74

9623

Passing Analysis

Category:
Athletes Passed
3239
Passed By
448
Net Change
+2791
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22780
5K → 10K359161+198#22780#22582
10K → 15K40847+361#22582#22221
15K → 20K28873+215#22221#22006
20K → Half883+85#22006#21921
Half → 25K20788+119#21921#21802
25K → 30K48024+456#21802#21346
30K → 20M2792+277#21346#21069
20M → 21M2609+251#21069#20818
21M → 35K1357+128#20818#20690
35K → 23M2085+203#20690#20487
23M → 24M1522+150#20487#20337
24M → 40K1374+133#20337#20204
40K → 25.2M727+65#20204#20139
25.2M → Finish16616+150#20139#19989
TOTALS3239448+2791
📊

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