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BOSTON MARATHON 2025

Nicolas Emmenegger

Bib: 2164•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1.0%
Gender (Male)
#0 / 16105
Top 2%
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
17:21
Rank: #287
Start → 5K
17:21 | 5:35/mi
10K· 6.21 mi
34:41
Rank: #279 (+8)
5K → 10K
17:20 | 5:35/mi
15K· 9.32 mi
52:25
Rank: #294 (-15)
10K → 15K
17:44 | 5:42/mi
20K· 12.43 mi
1:10:17
Rank: #318 (-24)
15K → 20K
17:52 | 5:45/mi
Half· 13.11 mi
1:14:02
Rank: #311 (+7)
20K → Half
3:45 | 5:30/mi
25K· 15.53 mi
1:27:56
Rank: #309 (+2)
Half → 25K
13:54 | 5:44/mi
30K· 18.64 mi
1:46:18
Rank: #312 (-3)
25K → 30K
18:22 | 5:55/mi
20M
1:54:28
Rank: #309 (+3)
30K → 20M
8:10 | 6:01/mi
21M
2:00:49
Rank: #307 (+2)
20M → 21M
6:21 | 6:21/mi
35K· 21.75 mi
2:05:12
Rank: #301 (+6)
21M → 35K
4:23 | 5:52/mi
23M
2:12:45
Rank: #287 (+14)
35K → 23M
7:33 | 6:02/mi
24M
2:18:40
Rank: #281 (+6)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:23:44
Rank: #277 (+4)
24M → 40K
5:04 | 5:56/mi
25.2M
2:26:01
Rank: #277
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:31:57
Rank: #271 (+6)
25.2M → Finish
5:56 | 5:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:02
Pace5:39 /mi
2nd Half
Distance13.11 mi
Time1:17:55
Pace5:57 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2917:215:3517:21
5:35
-
10K
6.21 mi10:35:4934:415:3517:20
5:35
0:00
15K
9.32 mi10:53:3352:255:3717:44
5:42
+0:07
20K
12.43 mi11:11:251:10:175:3917:52
5:45
+0:03
Half
13.11 mi11:15:101:14:025:393:45
5:30
-0:15
25K
15.53 mi11:29:041:27:565:4013:54
5:44
+0:14
30K
18.64 mi11:47:261:46:185:4218:22
5:55
+0:11
20M
20.00 mi11:55:361:54:285:438:10
6:01
+0:06
21M
21.00 mi12:01:572:00:495:456:21
6:21
+0:20
35K
21.75 mi12:06:202:05:125:454:23
5:52
-0:29
23M
23.00 mi12:13:532:12:455:467:33
6:02
+0:10
24M
24.00 mi12:19:482:18:405:475:55
5:55
-0:07
40K
24.85 mi12:24:522:23:445:475:04
5:56
+0:01
25.2M
25.20 mi12:27:092:26:015:482:17
6:37
+0:41
Finish
26.22 mi12:33:052:31:575:485:56
5:49
-0:48

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

5:30 /mi

Average Pace

5:48 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:10

37% of race

Time at Steady Pace

1:11:26

47% of race

Time at Slower Pace

24:21

16% of race

Average Pace: 5:48 /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 mi10:18:2917:215:3517:21
5:35
#287
10K
6.21 mi10:35:4934:415:3517:20
5:35
#279
15K
9.32 mi10:53:3352:255:3717:44
5:42
#294
20K
12.43 mi11:11:251:10:175:3917:52
5:45
#318
Half
13.11 mi11:15:101:14:025:393:45
5:30
#311
25K
15.53 mi11:29:041:27:565:4013:54
5:44
#309
30K
18.64 mi11:47:261:46:185:4218:22
5:55
#312
20M
20.00 mi11:55:361:54:285:438:10
6:01
#309
21M
21.00 mi12:01:572:00:495:456:21
6:21
#307
35K
21.75 mi12:06:202:05:125:454:23
5:52
#301
23M
23.00 mi12:13:532:12:455:467:33
6:02
#287
24M
24.00 mi12:19:482:18:405:475:55
5:55
#281
40K
24.85 mi12:24:522:23:445:475:04
5:56
#277
25.2M
25.20 mi12:27:092:26:015:482:17
6:37
#277
Finish
26.22 mi12:33:052:31:575:485:56
5:49
#271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi287259259392(Top 1%)362(Top 2%)362(Top 6%)
10K6.21 mi3.10 mi279+8250+9250+9283(Top 1.0%)254(Top 2%)254(Top 5%)
15K9.32 mi3.11 mi294-15265-15265-15392(Top 1%)362(Top 2%)362(Top 6%)
20K12.43 mi3.11 mi318-24289-24289-24384(Top 1%)355(Top 2%)355(Top 6%)
Half13.11 mi0.68 mi311+7282+7282+7193(Top 0.7%)171(Top 1%)171(Top 3%)
25K15.53 mi2.42 mi309+2281+1281+1323(Top 1%)297(Top 2%)297(Top 5%)
30K18.64 mi3.11 mi312-3284-3284-3367(Top 1%)340(Top 2%)340(Top 6%)
20M20.00 mi1.36 mi309+3282+2282+2392(Top 1%)366(Top 2%)366(Top 6%)
21M21.00 mi1.00 mi307+2280+2280+2422(Top 1%)397(Top 2%)397(Top 7%)
35K21.75 mi0.75 mi301+6275+5275+5446(Top 2%)414(Top 3%)414(Top 7%)
23M23.00 mi1.25 mi287+14262+13262+13384(Top 1%)361(Top 2%)361(Top 6%)
24M24.00 mi1.00 mi281+6257+5257+5413(Top 1%)384(Top 2%)384(Top 7%)
40K24.85 mi0.85 mi277+4253+4253+4310(Top 1%)285(Top 2%)285(Top 5%)
25.2M25.20 mi0.35 mi277253253600(Top 2%)555(Top 3%)555(Top 10%)
Finish26.22 mi1.02 mi271+6248+5248+5534(Top 2%)499(Top 3%)499(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

392

Males

362

M18-39

362

5K→10K

3.1 - 6.2 mi

Top 1.0%
×5stories
+79ft-138ft

Overall

283

Males

254

M18-39

254

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

392

Males

362

M18-39

362

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

384

Males

355

M18-39

355

20K→Half

12.4 - 13.1 mi

Top 0.7%
×2stories
+19ft-37ft

Overall

193

Males

171

M18-39

171

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

323

Males

297

M18-39

297

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

367

Males

340

M18-39

340

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

392

Males

366

M18-39

366

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

422

Males

397

M18-39

397

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

446

Males

414

M18-39

414

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

384

Males

361

M18-39

361

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

413

Males

384

M18-39

384

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

310

Males

285

M18-39

285

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

600

Males

555

M18-39

555

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

534

Males

499

M18-39

499

Passing Analysis

Category:
Athletes Passed
133
Passed By
117
Net Change
+16
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#287
5K → 10K2113+8#287#279
10K → 15K419-15#279#294
15K → 20K832-24#294#318
20K → Half81+7#318#311
Half → 25K97+2#311#309
25K → 30K1518-3#309#312
30K → 20M96+3#312#309
20M → 21M53+2#309#307
21M → 35K104+6#307#301
35K → 23M195+14#301#287
23M → 24M82+6#287#281
24M → 40K62+4#281#277
40K → 25.2M330#277#277
25.2M → Finish82+6#277#271
TOTALS133117+16
📊

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