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BOSTON MARATHON 2025

Derek Moser

Bib: 4254•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:58
Rank: #3286
Start → 5K
19:58 | 6:26/mi
10K· 6.21 mi
40:15
Rank: #3608 (-322)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:00:12
Rank: #3375 (+233)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:20:14
Rank: #3202 (+173)
15K → 20K
20:02 | 6:27/mi
Half· 13.11 mi
1:24:38
Rank: #3204 (-2)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:40:16
Rank: #3074 (+130)
Half → 25K
15:38 | 6:27/mi
30K· 18.64 mi
2:00:37
Rank: #2849 (+225)
25K → 30K
20:21 | 6:33/mi
20M
2:09:27
Rank: #2708 (+141)
30K → 20M
8:50 | 6:30/mi
21M
2:16:08
Rank: #2564 (+144)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:20:49
Rank: #2497 (+67)
21M → 35K
4:41 | 6:16/mi
23M
2:28:52
Rank: #2372 (+125)
35K → 23M
8:03 | 6:26/mi
24M
2:35:11
Rank: #2299 (+73)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:40:36
Rank: #2207 (+92)
24M → 40K
5:25 | 6:20/mi
25.2M
2:42:54
Rank: #2155 (+52)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:48:57
Rank: #2067 (+88)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:24:38
Pace6:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:19
Pace6:26 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0619:586:2619:58
6:26
-
10K
6.21 mi10:42:2340:156:2920:17
6:32
+0:06
15K
9.32 mi11:02:201:00:126:2819:57
6:25
-0:07
20K
12.43 mi11:22:221:20:146:2720:02
6:27
+0:02
Half
13.11 mi11:26:461:24:386:274:24
6:27
0:00
25K
15.53 mi11:42:241:40:166:2715:38
6:27
0:00
30K
18.64 mi12:02:452:00:376:2820:21
6:33
+0:06
20M
20.00 mi12:11:352:09:276:288:50
6:30
-0:03
21M
21.00 mi12:18:162:16:086:296:41
6:41
+0:11
35K
21.75 mi12:22:572:20:496:284:41
6:16
-0:25
23M
23.00 mi12:31:002:28:526:288:03
6:26
+0:10
24M
24.00 mi12:37:192:35:116:286:19
6:19
-0:07
40K
24.85 mi12:42:442:40:366:285:25
6:20
+0:01
25.2M
25.20 mi12:45:022:42:546:282:18
6:40
+0:20
Finish
26.22 mi12:51:052:48:576:276:03
5:56
-0:44

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

5:56 /mi

Average Pace

6:27 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:20

71% of race

Time at Steady Pace

49:37

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:22:0619:586:2619:58
6:26
#3286
10K
6.21 mi10:42:2340:156:2920:17
6:32
#3608
15K
9.32 mi11:02:201:00:126:2819:57
6:25
#3375
20K
12.43 mi11:22:221:20:146:2720:02
6:27
#3202
Half
13.11 mi11:26:461:24:386:274:24
6:27
#3204
25K
15.53 mi11:42:241:40:166:2715:38
6:27
#3074
30K
18.64 mi12:02:452:00:376:2820:21
6:33
#2849
20M
20.00 mi12:11:352:09:276:288:50
6:30
#2708
21M
21.00 mi12:18:162:16:086:296:41
6:41
#2564
35K
21.75 mi12:22:572:20:496:284:41
6:16
#2497
23M
23.00 mi12:31:002:28:526:288:03
6:26
#2372
24M
24.00 mi12:37:192:35:116:286:19
6:19
#2299
40K
24.85 mi12:42:442:40:366:285:25
6:20
#2207
25.2M
25.20 mi12:45:022:42:546:282:18
6:40
#2155
Finish
26.22 mi12:51:052:48:576:276:03
5:56
#2067
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3286311931193057(Top 11%)2910(Top 18%)2910(Top 52%)
10K6.21 mi3.10 mi3608-3223420-3013420-3013917(Top 14%)3688(Top 23%)3688(Top 65%)
15K9.32 mi3.11 mi3375+2333204+2163204+2163057(Top 11%)2910(Top 18%)2910(Top 52%)
20K12.43 mi3.11 mi3202+1733049+1553049+1552800(Top 10%)2665(Top 17%)2665(Top 47%)
Half13.11 mi0.68 mi3204-23051-23051-23304(Top 12%)3130(Top 19%)3130(Top 55%)
25K15.53 mi2.42 mi3074+1302931+1202931+1202585(Top 9%)2459(Top 15%)2459(Top 44%)
30K18.64 mi3.11 mi2849+2252713+2182713+2182190(Top 8%)2074(Top 13%)2074(Top 37%)
20M20.00 mi1.36 mi2708+1412578+1352578+1351626(Top 6%)1537(Top 10%)1537(Top 27%)
21M21.00 mi1.00 mi2564+1442444+1342444+1341157(Top 4%)1096(Top 7%)1096(Top 19%)
35K21.75 mi0.75 mi2497+672378+662378+661459(Top 5%)1383(Top 9%)1383(Top 25%)
23M23.00 mi1.25 mi2372+1252260+1182260+1181239(Top 4%)1168(Top 7%)1168(Top 21%)
24M24.00 mi1.00 mi2299+732188+722188+721357(Top 5%)1269(Top 8%)1269(Top 22%)
40K24.85 mi0.85 mi2207+922098+902098+901060(Top 4%)992(Top 6%)992(Top 18%)
25.2M25.20 mi0.35 mi2155+522046+522046+52730(Top 3%)680(Top 4%)680(Top 12%)
Finish26.22 mi1.02 mi2067+881960+861960+86785(Top 3%)739(Top 5%)739(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3057

Males

2910

M18-39

2910

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3917

Males

3688

M18-39

3688

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3057

Males

2910

M18-39

2910

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2800

Males

2665

M18-39

2665

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3304

Males

3130

M18-39

3130

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2585

Males

2459

M18-39

2459

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2190

Males

2074

M18-39

2074

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1626

Males

1537

M18-39

1537

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1157

Males

1096

M18-39

1096

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1459

Males

1383

M18-39

1383

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1239

Males

1168

M18-39

1168

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1357

Males

1269

M18-39

1269

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1060

Males

992

M18-39

992

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

730

Males

680

M18-39

680

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

785

Males

739

M18-39

739

Passing Analysis

Category:
Athletes Passed
1678
Passed By
459
Net Change
+1219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3286
5K → 10K32354-322#3286#3608
10K → 15K25017+233#3608#3375
15K → 20K19522+173#3375#3202
20K → Half1214-2#3202#3204
Half → 25K14111+130#3204#3074
25K → 30K24823+225#3074#2849
30K → 20M1465+141#2849#2708
20M → 21M1462+144#2708#2564
21M → 35K703+67#2564#2497
35K → 23M1272+125#2497#2372
23M → 24M763+73#2372#2299
24M → 40K931+92#2299#2207
40K → 25.2M520+52#2207#2155
25.2M → Finish902+88#2155#2067
TOTALS1678459+1219
📊

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