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BOSTON MARATHON 2025

Nicholas Dengler

Bib: 5089•M

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
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
6:05/mi
18:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:07/mi
37:53
↑ 79↓ 1380.4%
15K· 9.32 mi
6:04/mi
56:43
↑ 67↓ 78
20K· 12.43 mi
6:10/mi
1:15:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:03/mi
1:20:01
↑ 19↓ 370.5%
25K· 15.53 mi
6:13/mi
1:35:05
↑ 66↓ 880.2%
30K· 18.64 mi
6:27/mi
1:55:07
↑ 181↓ 1480.2%
20M
6:28/mi
2:03:54
↑ 64↓ 500.2%
21M
6:54/mi
2:10:48
↑ 106↓ 241.6%
35K· 21.75 mi
6:16/mi
2:15:29
↑ 17↓ 861.7%
23M
6:35/mi
2:23:44
↑ 23↓ 630.6%
24M
6:21/mi
2:30:05
↓ 821.3%
40K· 24.85 mi
6:15/mi
2:35:26
↓ 200.3%
25.2M
6:40/mi
2:37:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:01/mi
2:43:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:01
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:23:51
Pace6:24 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1318:546:0518:54
6:05
-
10K
6.21 mi10:42:1237:536:0618:59
6:07
+0:02
15K
9.32 mi11:01:0256:436:0518:50
6:04
-0:03
20K
12.43 mi11:20:121:15:536:0619:10
6:10
+0:06
Half
13.11 mi11:24:201:20:016:064:08
6:03
-0:07
25K
15.53 mi11:39:241:35:056:0715:04
6:13
+0:10
30K
18.64 mi11:59:261:55:076:1120:02
6:27
+0:14
20M
20.00 mi12:08:132:03:546:128:47
6:28
+0:01
21M
21.00 mi12:15:072:10:486:146:54
6:54
+0:26
35K
21.75 mi12:19:482:15:296:144:41
6:16
-0:38
23M
23.00 mi12:28:032:23:446:158:15
6:35
+0:19
24M
24.00 mi12:34:242:30:056:156:21
6:21
-0:14
40K
24.85 mi12:39:452:35:266:155:21
6:15
-0:06
25.2M
25.20 mi12:42:032:37:446:162:18
6:40
+0:25
Finish
26.22 mi12:48:112:43:526:156:08
6:01
-0:39

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

6:01 /mi

Average Pace

6:15 /mi

Slowest Pace

6:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:40

94% of race

Time at Steady Pace

9:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:23:1318:546:0518:54
6:05
#1353
10K
6.21 mi10:42:1237:536:0618:59
6:07
#1414
15K
9.32 mi11:01:0256:436:0518:50
6:04
#1337
20K
12.43 mi11:20:121:15:536:0619:10
6:10
#1350
Half
13.11 mi11:24:201:20:016:064:08
6:03
#1350
25K
15.53 mi11:39:241:35:056:0715:04
6:13
#1357
30K
18.64 mi11:59:261:55:076:1120:02
6:27
#1387
20M
20.00 mi12:08:132:03:546:128:47
6:28
#1367
21M
21.00 mi12:15:072:10:486:146:54
6:54
#1366
35K
21.75 mi12:19:482:15:296:144:41
6:16
#1357
23M
23.00 mi12:28:032:23:446:158:15
6:35
#1340
24M
24.00 mi12:34:242:30:056:156:21
6:21
#1330
40K
24.85 mi12:39:452:35:266:155:21
6:15
#1299
25.2M
25.20 mi12:42:032:37:446:162:18
6:40
#1275
Finish
26.22 mi12:48:112:43:526:156:08
6:01
#1235
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1353128812881235(Top 4%)1171(Top 7%)1171(Top 21%)
10K6.21 mi3.10 mi1414-611345-571345-571500(Top 5%)1423(Top 9%)1423(Top 25%)
15K9.32 mi3.11 mi1337+771270+751270+751235(Top 4%)1171(Top 7%)1171(Top 21%)
20K12.43 mi3.11 mi1350-131280-101280-101443(Top 5%)1368(Top 8%)1368(Top 24%)
Half13.11 mi0.68 mi1350128012801363(Top 5%)1295(Top 8%)1295(Top 23%)
25K15.53 mi2.42 mi1357-71286-61286-61502(Top 5%)1427(Top 9%)1427(Top 25%)
30K18.64 mi3.11 mi1387-301311-251311-251749(Top 6%)1660(Top 10%)1660(Top 29%)
20M20.00 mi1.36 mi1367+201291+201291+201474(Top 5%)1392(Top 9%)1392(Top 25%)
21M21.00 mi1.00 mi1366+11288+31288+31858(Top 7%)1749(Top 11%)1749(Top 31%)
35K21.75 mi0.75 mi1357+91280+81280+81436(Top 5%)1360(Top 8%)1360(Top 24%)
23M23.00 mi1.25 mi1340+171263+171263+171763(Top 6%)1649(Top 10%)1649(Top 29%)
24M24.00 mi1.00 mi1330+101253+101253+101462(Top 5%)1366(Top 8%)1366(Top 24%)
40K24.85 mi0.85 mi1299+311223+301223+30874(Top 3%)820(Top 5%)820(Top 15%)
25.2M25.20 mi0.35 mi1275+241199+241199+24714(Top 3%)664(Top 4%)664(Top 12%)
Finish26.22 mi1.02 mi1235+401160+391160+39956(Top 3%)898(Top 6%)898(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1235

Males

1171

M18-39

1171

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1500

Males

1423

M18-39

1423

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1235

Males

1171

M18-39

1171

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1443

Males

1368

M18-39

1368

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1363

Males

1295

M18-39

1295

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1502

Males

1427

M18-39

1427

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1749

Males

1660

M18-39

1660

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1474

Males

1392

M18-39

1392

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1858

Males

1749

M18-39

1749

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1436

Males

1360

M18-39

1360

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1763

Males

1649

M18-39

1649

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1462

Males

1366

M18-39

1366

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

874

Males

820

M18-39

820

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

714

Males

664

M18-39

664

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

956

Males

898

M18-39

898

Passing Analysis

Category:
Athletes Passed
552
Passed By
434
Net Change
+118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1353
5K → 10K41102-61#1353#1414
10K → 15K9316+77#1414#1337
15K → 20K4760-13#1337#1350
20K → Half13130#1350#1350
Half → 25K3744-7#1350#1357
25K → 30K4878-30#1357#1387
30K → 20M3818+20#1387#1367
20M → 21M2827+1#1367#1366
21M → 35K2314+9#1366#1357
35K → 23M4225+17#1357#1340
23M → 24M3323+10#1340#1330
24M → 40K387+31#1330#1299
40K → 25.2M251+24#1299#1275
25.2M → Finish466+40#1275#1235
TOTALS552434+118
📊

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