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BOSTON MARATHON 2025

Samuel Frederick

Bib: 408•M

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.9%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:16
Rank: #261
Start → 5K
17:16 | 5:33/mi
10K· 6.21 mi
34:20
Rank: #239 (+22)
5K → 10K
17:04 | 5:30/mi
15K· 9.32 mi
51:34
Rank: #224 (+15)
10K → 15K
17:14 | 5:33/mi
20K· 12.43 mi
1:08:58
Rank: #210 (+14)
15K → 20K
17:24 | 5:36/mi
Half· 13.11 mi
1:12:41
Rank: #208 (+2)
20K → Half
3:43 | 5:27/mi
25K· 15.53 mi
1:26:16
Rank: #193 (+15)
Half → 25K
13:35 | 5:36/mi
30K· 18.64 mi
1:44:11
Rank: #194 (-1)
25K → 30K
17:55 | 5:46/mi
20M
1:52:25
Rank: #193 (+1)
30K → 20M
8:14 | 6:04/mi
21M
1:58:58
Rank: #202 (-9)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:03:25
Rank: #208 (-6)
21M → 35K
4:27 | 5:57/mi
23M
2:11:15
Rank: #223 (-15)
35K → 23M
7:50 | 6:15/mi
24M
2:17:46
Rank: #249 (-26)
23M → 24M
6:31 | 6:31/mi
40K· 24.85 mi
2:23:08
Rank: #253 (-4)
24M → 40K
5:22 | 6:17/mi
25.2M
2:25:24
Rank: #250 (+3)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:31:34
Rank: #259 (-9)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:41
Pace5:33 /mi
2nd Half
Distance13.11 mi
Time1:18:53
Pace6:01 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2417:165:3317:16
5:33
-
10K
6.21 mi10:34:2834:205:3217:04
5:30
-0:03
15K
9.32 mi10:51:4251:345:3217:14
5:33
+0:03
20K
12.43 mi11:09:061:08:585:3317:24
5:36
+0:03
Half
13.11 mi11:12:491:12:415:333:43
5:27
-0:09
25K
15.53 mi11:26:241:26:165:3313:35
5:36
+0:09
30K
18.64 mi11:44:191:44:115:3517:55
5:46
+0:10
20M
20.00 mi11:52:331:52:255:378:14
6:04
+0:18
21M
21.00 mi11:59:061:58:585:406:33
6:33
+0:29
35K
21.75 mi12:03:332:03:255:404:27
5:57
-0:36
23M
23.00 mi12:11:232:11:155:427:50
6:15
+0:18
24M
24.00 mi12:17:542:17:465:446:31
6:31
+0:16
40K
24.85 mi12:23:162:23:085:465:22
6:17
-0:14
25.2M
25.20 mi12:25:322:25:245:462:16
6:34
+0:17
Finish
26.22 mi12:31:422:31:345:476:10
6:03
-0:31

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

5:27 /mi

Average Pace

5:47 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:16

57% of race

Time at Steady Pace

36:46

24% of race

Time at Slower Pace

28:32

19% of race

Average Pace: 5:47 /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 mi10:17:2417:165:3317:16
5:33
#261
10K
6.21 mi10:34:2834:205:3217:04
5:30
#239
15K
9.32 mi10:51:4251:345:3217:14
5:33
#224
20K
12.43 mi11:09:061:08:585:3317:24
5:36
#210
Half
13.11 mi11:12:491:12:415:333:43
5:27
#208
25K
15.53 mi11:26:241:26:165:3313:35
5:36
#193
30K
18.64 mi11:44:191:44:115:3517:55
5:46
#194
20M
20.00 mi11:52:331:52:255:378:14
6:04
#193
21M
21.00 mi11:59:061:58:585:406:33
6:33
#202
35K
21.75 mi12:03:332:03:255:404:27
5:57
#208
23M
23.00 mi12:11:232:11:155:427:50
6:15
#223
24M
24.00 mi12:17:542:17:465:446:31
6:31
#249
40K
24.85 mi12:23:162:23:085:465:22
6:17
#253
25.2M
25.20 mi12:25:322:25:245:462:16
6:34
#250
Finish
26.22 mi12:31:422:31:345:476:10
6:03
#259
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi261233233199(Top 0.7%)173(Top 1%)173(Top 3%)
10K6.21 mi3.10 mi239+22210+23210+23195(Top 0.7%)168(Top 1%)168(Top 3%)
15K9.32 mi3.11 mi224+15196+14196+14199(Top 0.7%)173(Top 1%)173(Top 3%)
20K12.43 mi3.11 mi210+14184+12184+12200(Top 0.7%)177(Top 1%)177(Top 3%)
Half13.11 mi0.68 mi208+2182+2182+2149(Top 0.5%)134(Top 0.8%)134(Top 2%)
25K15.53 mi2.42 mi193+15168+14168+14194(Top 0.7%)171(Top 1%)171(Top 3%)
30K18.64 mi3.11 mi194-1171-3171-3222(Top 0.8%)200(Top 1%)200(Top 4%)
20M20.00 mi1.36 mi193+1170+1170+1460(Top 2%)430(Top 3%)430(Top 8%)
21M21.00 mi1.00 mi202-9180-10180-10776(Top 3%)733(Top 5%)733(Top 13%)
35K21.75 mi0.75 mi208-6186-6186-6596(Top 2%)555(Top 3%)555(Top 10%)
23M23.00 mi1.25 mi223-15200-14200-14767(Top 3%)722(Top 4%)722(Top 13%)
24M24.00 mi1.00 mi249-26226-26226-262087(Top 7%)1934(Top 12%)1934(Top 34%)
40K24.85 mi0.85 mi253-4230-4230-4893(Top 3%)835(Top 5%)835(Top 15%)
25.2M25.20 mi0.35 mi250+3228+2228+2534(Top 2%)494(Top 3%)494(Top 9%)
Finish26.22 mi1.02 mi259-9236-8236-81037(Top 4%)971(Top 6%)971(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.7%
×21stories
+97ft-345ft

Overall

199

Males

173

M18-39

173

5K→10K

3.1 - 6.2 mi

Top 0.7%
×5stories
+79ft-138ft

Overall

195

Males

168

M18-39

168

10K→15K

6.2 - 9.3 mi

Top 0.7%
×3stories
+67ft-78ft

Overall

199

Males

173

M18-39

173

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

200

Males

177

M18-39

177

20K→Half

12.4 - 13.1 mi

Top 0.5%
×2stories
+19ft-37ft

Overall

149

Males

134

M18-39

134

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

194

Males

171

M18-39

171

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9stories
+181ft-148ft

Overall

222

Males

200

M18-39

200

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

460

Males

430

M18-39

430

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

776

Males

733

M18-39

733

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

596

Males

555

M18-39

555

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

767

Males

722

M18-39

722

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2087

Males

1934

M18-39

1934

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

893

Males

835

M18-39

835

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

534

Males

494

M18-39

494

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1037

Males

971

M18-39

971

Passing Analysis

Category:
Athletes Passed
113
Passed By
111
Net Change
+2
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#261
5K → 10K286+22#261#239
10K → 15K172+15#239#224
15K → 20K173+14#224#210
20K → Half20+2#210#208
Half → 25K172+15#208#193
25K → 30K1314-1#193#194
30K → 20M43+1#194#193
20M → 21M211-9#193#202
21M → 35K06-6#202#208
35K → 23M520-15#208#223
23M → 24M127-26#223#249
24M → 40K26-4#249#253
40K → 25.2M30+3#253#250
25.2M → Finish211-9#250#259
TOTALS113111+2
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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