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BOSTON MARATHON 2025

Bradley Frederick

Bib: 10493•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
Masters (Masters Men)
#0 / 10463
Top 29%
Division (M45-49)
#0 / 2386
Top 42%
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
6:49/mi
21:12
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
42:40
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:04:17
↑ 67↓ 78
20K· 12.43 mi
6:56/mi
1:25:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:55/mi
1:30:33
↑ 19↓ 370.5%
25K· 15.53 mi
6:59/mi
1:47:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:16/mi
2:10:04
↑ 181↓ 1480.2%
20M
7:25/mi
2:20:09
↑ 64↓ 500.2%
21M
8:14/mi
2:28:23
↑ 106↓ 241.6%
35K· 21.75 mi
11:02/mi
2:36:38
↑ 17↓ 861.7%
23M
8:09/mi
2:46:50
↑ 23↓ 630.6%
24M
8:13/mi
2:55:03
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:02:08
↓ 200.3%
25.2M
8:48/mi
3:05:10
↑ 13↓ 160.2%
Finish· 26.22 mi
8:19/mi
3:13:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:33
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:43:05
Pace7:52 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:2121:126:4921:12
6:49
-
10K
6.21 mi11:07:4942:406:5221:28
6:55
+0:06
15K
9.32 mi11:29:261:04:176:5421:37
6:57
+0:02
20K
12.43 mi11:50:591:25:506:5421:33
6:56
-0:01
Half
13.11 mi11:55:421:30:336:544:43
6:55
-0:01
25K
15.53 mi12:12:381:47:296:5516:56
6:59
+0:04
30K
18.64 mi12:35:132:10:046:5922:35
7:16
+0:17
20M
20.00 mi12:45:182:20:097:0010:05
7:25
+0:09
21M
21.00 mi12:53:322:28:237:048:14
8:14
+0:49
35K
21.75 mi13:01:472:36:387:128:15
11:02
+2:48
23M
23.00 mi13:11:592:46:507:1510:12
8:09
-2:53
24M
24.00 mi13:20:122:55:037:188:13
8:13
+0:04
40K
24.85 mi13:27:173:02:087:207:05
8:17
+0:04
25.2M
25.20 mi13:30:193:05:107:213:02
8:48
+0:31
Finish
26.22 mi13:38:473:13:387:238:28
8:19
-0:29

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

6:49 /mi

Average Pace

7:23 /mi

Slowest Pace

11:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:12

11% of race

Time at Steady Pace

1:58:57

61% of race

Time at Slower Pace

53:29

28% of race

Average Pace: 7:23 /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 mi10:46:2121:126:4921:12
6:49
#6510
10K
6.21 mi11:07:4942:406:5221:28
6:55
#6904
15K
9.32 mi11:29:261:04:176:5421:37
6:57
#7050
20K
12.43 mi11:50:591:25:506:5421:33
6:56
#6875
Half
13.11 mi11:55:421:30:336:544:43
6:55
#6879
25K
15.53 mi12:12:381:47:296:5516:56
6:59
#6716
30K
18.64 mi12:35:132:10:046:5922:35
7:16
#6523
20M
20.00 mi12:45:182:20:097:0010:05
7:25
#6433
21M
21.00 mi12:53:322:28:237:048:14
8:14
#6480
35K
21.75 mi13:01:472:36:387:128:15
11:02
#7328
23M
23.00 mi13:11:592:46:507:1510:12
8:09
#7489
24M
24.00 mi13:20:122:55:037:188:13
8:13
#7672
40K
24.85 mi13:27:173:02:087:207:05
8:17
#7795
25.2M
25.20 mi13:30:193:05:107:213:02
8:48
#7820
Finish
26.22 mi13:38:473:13:387:238:28
8:19
#8106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6510592759277356(Top 26%)6519(Top 40%)6519(Top 273%)
10K6.21 mi3.10 mi6904-3946222-2956222-2957299(Top 26%)6508(Top 40%)6508(Top 273%)
15K9.32 mi3.11 mi7050-1466325-1036325-1037356(Top 26%)6519(Top 40%)6519(Top 273%)
20K12.43 mi3.11 mi6875+1756186+1396186+1396479(Top 23%)5810(Top 36%)5810(Top 244%)
Half13.11 mi0.68 mi6879-46184+26184+27000(Top 25%)6220(Top 39%)6220(Top 261%)
25K15.53 mi2.42 mi6716+1636035+1496035+1496233(Top 22%)5573(Top 35%)5573(Top 234%)
30K18.64 mi3.11 mi6523+1935852+1835852+1836287(Top 22%)5516(Top 34%)5516(Top 231%)
20M20.00 mi1.36 mi6433+905763+895763+896510(Top 23%)5536(Top 34%)5536(Top 232%)
21M21.00 mi1.00 mi6480-475779-165779-168761(Top 31%)6680(Top 41%)6680(Top 280%)
35K21.75 mi0.75 mi7328-8486348-5696348-56924235(Top 85%)13985(Top 87%)13985(Top 586%)
23M23.00 mi1.25 mi7489-1616417-696417-6910998(Top 39%)7743(Top 48%)7743(Top 325%)
24M24.00 mi1.00 mi7672-1836501-846501-8412638(Top 44%)8464(Top 53%)8464(Top 355%)
40K24.85 mi0.85 mi7795-1236545-446545-4412036(Top 42%)8069(Top 50%)8069(Top 338%)
25.2M25.20 mi0.35 mi7820-256546-16546-110510(Top 37%)7202(Top 45%)7202(Top 302%)
Finish26.22 mi1.02 mi8106-2866689-1436689-14314927(Top 53%)9437(Top 59%)9437(Top 396%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7356

Males

6519

M45-49

6519

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7299

Males

6508

M45-49

6508

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7356

Males

6519

M45-49

6519

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6479

Males

5810

M45-49

5810

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7000

Males

6220

M45-49

6220

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6233

Males

5573

M45-49

5573

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6287

Males

5516

M45-49

5516

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6510

Males

5536

M45-49

5536

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8761

Males

6680

M45-49

6680

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

24235

Males

13985

M45-49

13985

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10998

Males

7743

M45-49

7743

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12638

Males

8464

M45-49

8464

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12036

Males

8069

M45-49

8069

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10510

Males

7202

M45-49

7202

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

14927

Males

9437

M45-49

9437

Passing Analysis

Category:
Athletes Passed
1254
Passed By
2850
Net Change
-1596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6510
5K → 10K80474-394#6510#6904
10K → 15K96242-146#6904#7050
15K → 20K23257+175#7050#6875
20K → Half3135-4#6875#6879
Half → 25K20037+163#6879#6716
25K → 30K27178+193#6716#6523
30K → 20M12838+90#6523#6433
20M → 21M4794-47#6433#6480
21M → 35K1849-848#6480#7328
35K → 23M52213-161#7328#7489
23M → 24M32215-183#7489#7672
24M → 40K37160-123#7672#7795
40K → 25.2M2752-25#7795#7820
25.2M → Finish20306-286#7820#8106
TOTALS12542850-1596
📊

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