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BOSTON MARATHON 2025

James Fredericks

Bib: 10021•M

ID

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M60-64)
#0 / 1259
Top 3%
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
7:09/mi
22:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:07/mi
44:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:06:36
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:09/mi
1:33:49
↑ 19↓ 370.5%
25K· 15.53 mi
7:15/mi
1:51:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:21/mi
2:14:13
↑ 181↓ 1480.2%
20M
7:24/mi
2:24:16
↑ 64↓ 500.2%
21M
7:42/mi
2:31:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:37:22
↑ 17↓ 861.7%
23M
7:24/mi
2:46:38
↑ 23↓ 630.6%
24M
7:11/mi
2:53:49
↓ 821.3%
40K· 24.85 mi
7:26/mi
3:00:10
↓ 200.3%
25.2M
8:07/mi
3:02:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:18/mi
3:10:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:49
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:36:35
Pace7:22 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0522:147:0922:14
7:09
-
10K
6.21 mi11:10:1344:227:0822:08
7:07
-0:02
15K
9.32 mi11:32:271:06:367:0922:14
7:09
+0:02
20K
12.43 mi11:54:471:28:567:0922:20
7:11
+0:02
Half
13.11 mi11:59:401:33:497:094:53
7:09
-0:02
25K
15.53 mi12:17:151:51:247:1017:35
7:15
+0:06
30K
18.64 mi12:40:042:14:137:1222:49
7:21
+0:06
20M
20.00 mi12:50:072:24:167:1310:03
7:24
+0:03
21M
21.00 mi12:57:492:31:587:147:42
7:42
+0:18
35K
21.75 mi13:03:132:37:227:145:24
7:13
-0:29
23M
23.00 mi13:12:292:46:387:159:16
7:24
+0:11
24M
24.00 mi13:19:402:53:497:157:11
7:11
-0:13
40K
24.85 mi13:26:013:00:107:156:21
7:26
+0:15
25.2M
25.20 mi13:28:493:02:587:162:48
8:07
+0:41
Finish
26.22 mi13:36:153:10:247:167:26
7:18
-0:49

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

7:07 /mi

Average Pace

7:16 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:36

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /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 mi10:48:0522:147:0922:14
7:09
#9092
10K
6.21 mi11:10:1344:227:0822:08
7:07
#8934
15K
9.32 mi11:32:271:06:367:0922:14
7:09
#8871
20K
12.43 mi11:54:471:28:567:0922:20
7:11
#8593
Half
13.11 mi11:59:401:33:497:094:53
7:09
#8591
25K
15.53 mi12:17:151:51:247:1017:35
7:15
#8435
30K
18.64 mi12:40:042:14:137:1222:49
7:21
#8016
20M
20.00 mi12:50:072:24:167:1310:03
7:24
#7851
21M
21.00 mi12:57:492:31:587:147:42
7:42
#7648
35K
21.75 mi13:03:132:37:227:145:24
7:13
#7579
23M
23.00 mi13:12:292:46:387:159:16
7:24
#7414
24M
24.00 mi13:19:402:53:497:157:11
7:11
#7288
40K
24.85 mi13:26:013:00:107:156:21
7:26
#7210
25.2M
25.20 mi13:28:493:02:587:162:48
8:07
#7180
Finish
26.22 mi13:36:153:10:247:167:26
7:18
#7173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi9092766376638730(Top 31%)7386(Top 46%)7386(Top 587%)
10K6.21 mi3.10 mi8934+1587551+1127551+1128851(Top 31%)7507(Top 47%)7507(Top 596%)
15K9.32 mi3.11 mi8871+637508+437508+438730(Top 31%)7386(Top 46%)7386(Top 587%)
20K12.43 mi3.11 mi8593+2787320+1887320+1888083(Top 28%)6917(Top 43%)6917(Top 549%)
Half13.11 mi0.68 mi8591+27306+147306+148648(Top 30%)7260(Top 45%)7260(Top 577%)
25K15.53 mi2.42 mi8435+1567198+1087198+1087982(Top 28%)6751(Top 42%)6751(Top 536%)
30K18.64 mi3.11 mi8016+4196878+3206878+3206706(Top 24%)5784(Top 36%)5784(Top 459%)
20M20.00 mi1.36 mi7851+1656746+1326746+1326339(Top 22%)5421(Top 34%)5421(Top 431%)
21M21.00 mi1.00 mi7648+2036580+1666580+1665628(Top 20%)4821(Top 30%)4821(Top 383%)
35K21.75 mi0.75 mi7579+696517+636517+636684(Top 24%)5503(Top 34%)5503(Top 437%)
23M23.00 mi1.25 mi7414+1656365+1526365+1526043(Top 21%)4988(Top 31%)4988(Top 396%)
24M24.00 mi1.00 mi7288+1266251+1146251+1145706(Top 20%)4731(Top 29%)4731(Top 376%)
40K24.85 mi0.85 mi7210+786177+746177+746339(Top 22%)5048(Top 31%)5048(Top 401%)
25.2M25.20 mi0.35 mi7180+306142+356142+356529(Top 23%)5058(Top 31%)5058(Top 402%)
Finish26.22 mi1.02 mi7173+76112+306112+307705(Top 27%)5734(Top 36%)5734(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8730

Males

7386

M60-64

7386

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8851

Males

7507

M60-64

7507

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8730

Males

7386

M60-64

7386

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8083

Males

6917

M60-64

6917

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8648

Males

7260

M60-64

7260

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7982

Males

6751

M60-64

6751

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6706

Males

5784

M60-64

5784

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6339

Males

5421

M60-64

5421

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5628

Males

4821

M60-64

4821

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6684

Males

5503

M60-64

5503

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

6043

Males

4988

M60-64

4988

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5706

Males

4731

M60-64

4731

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6339

Males

5048

M60-64

5048

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6529

Males

5058

M60-64

5058

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7705

Males

5734

M60-64

5734

Passing Analysis

Category:
Athletes Passed
2524
Passed By
605
Net Change
+1919
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9092
5K → 10K301143+158#9092#8934
10K → 15K195132+63#8934#8871
15K → 20K32648+278#8871#8593
20K → Half3533+2#8593#8591
Half → 25K20953+156#8591#8435
25K → 30K43415+419#8435#8016
30K → 20M18823+165#8016#7851
20M → 21M22017+203#7851#7648
21M → 35K8819+69#7648#7579
35K → 23M18621+165#7579#7414
23M → 24M13812+126#7414#7288
24M → 40K9820+78#7288#7210
40K → 25.2M4717+30#7210#7180
25.2M → Finish5952+7#7180#7173
TOTALS2524605+1919
📊

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