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BOSTON MARATHON 2025

Emerson Wells

Bib: 1524•M

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 6%
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
5:45/mi
17:52
↑ 97↓ 3451.5%
10K· 6.21 mi
5:43/mi
35:39
↑ 79↓ 1380.4%
15K· 9.32 mi
5:45/mi
53:30
↑ 67↓ 78
20K· 12.43 mi
5:42/mi
1:11:14
↑ 106↓ 860.1%
Half· 13.11 mi
5:34/mi
1:15:02
↑ 19↓ 370.5%
25K· 15.53 mi
5:41/mi
1:28:48
↑ 66↓ 880.2%
30K· 18.64 mi
5:42/mi
1:46:32
↑ 181↓ 1480.2%
20M
5:55/mi
1:54:35
↑ 64↓ 500.2%
21M
6:15/mi
2:00:50
↑ 106↓ 241.6%
35K· 21.75 mi
6:01/mi
2:05:20
↑ 17↓ 861.7%
23M
6:43/mi
2:13:45
↑ 23↓ 630.6%
24M
6:25/mi
2:20:10
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:26:07
↓ 200.3%
25.2M
8:10/mi
2:28:56
↑ 13↓ 160.2%
Finish· 26.22 mi
6:17/mi
2:35:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:02
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:20:18
Pace6:08 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2017:525:4517:52
5:45
-
10K
6.21 mi10:36:0735:395:4417:47
5:43
-0:02
15K
9.32 mi10:53:5853:305:4417:51
5:45
+0:02
20K
12.43 mi11:11:421:11:145:4417:44
5:42
-0:03
Half
13.11 mi11:15:301:15:025:433:48
5:34
-0:08
25K
15.53 mi11:29:161:28:485:4313:46
5:41
+0:07
30K
18.64 mi11:47:001:46:325:4317:44
5:42
+0:01
20M
20.00 mi11:55:031:54:355:448:03
5:55
+0:13
21M
21.00 mi12:01:182:00:505:456:15
6:15
+0:20
35K
21.75 mi12:05:482:05:205:464:30
6:01
-0:14
23M
23.00 mi12:14:132:13:455:498:25
6:43
+0:42
24M
24.00 mi12:20:382:20:105:506:25
6:25
-0:18
40K
24.85 mi12:26:352:26:075:535:57
6:58
+0:33
25.2M
25.20 mi12:29:242:28:565:552:49
8:10
+1:12
Finish
26.22 mi12:35:482:35:205:566:24
6:17
-1:53

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

5:34 /mi

Average Pace

5:56 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:48

2% of race

Time at Steady Pace

2:01:32

78% of race

Time at Slower Pace

30:00

19% of race

Average Pace: 5:55 /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 mi10:18:2017:525:4517:52
5:45
#514
10K
6.21 mi10:36:0735:395:4417:47
5:43
#501
15K
9.32 mi10:53:5853:305:4417:51
5:45
#483
20K
12.43 mi11:11:421:11:145:4417:44
5:42
#426
Half
13.11 mi11:15:301:15:025:433:48
5:34
#417
25K
15.53 mi11:29:161:28:485:4313:46
5:41
#383
30K
18.64 mi11:47:001:46:325:4317:44
5:42
#327
20M
20.00 mi11:55:031:54:355:448:03
5:55
#320
21M
21.00 mi12:01:182:00:505:456:15
6:15
#310
35K
21.75 mi12:05:482:05:205:464:30
6:01
#310
23M
23.00 mi12:14:132:13:455:498:25
6:43
#350
24M
24.00 mi12:20:382:20:105:506:25
6:25
#375
40K
24.85 mi12:26:352:26:075:535:57
6:58
#402
25.2M
25.20 mi12:29:242:28:565:552:49
8:10
#432
Finish
26.22 mi12:35:482:35:205:566:24
6:17
#449
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi514476476445(Top 2%)413(Top 3%)413(Top 7%)
10K6.21 mi3.10 mi501+13463+13463+13491(Top 2%)454(Top 3%)454(Top 8%)
15K9.32 mi3.11 mi483+18446+17446+17445(Top 2%)413(Top 3%)413(Top 7%)
20K12.43 mi3.11 mi426+57392+54392+54329(Top 1%)300(Top 2%)300(Top 5%)
Half13.11 mi0.68 mi417+9385+7385+7272(Top 1.0%)247(Top 2%)247(Top 4%)
25K15.53 mi2.42 mi383+34351+34351+34267(Top 0.9%)241(Top 1%)241(Top 4%)
30K18.64 mi3.11 mi327+56299+52299+52176(Top 0.6%)154(Top 1.0%)154(Top 3%)
20M20.00 mi1.36 mi320+7293+6293+6299(Top 1%)276(Top 2%)276(Top 5%)
21M21.00 mi1.00 mi310+10283+10283+10309(Top 1%)290(Top 2%)290(Top 5%)
35K21.75 mi0.75 mi310284-1284-1748(Top 3%)699(Top 4%)699(Top 12%)
23M23.00 mi1.25 mi350-40323-39323-392320(Top 8%)2158(Top 13%)2158(Top 38%)
24M24.00 mi1.00 mi375-25348-25348-251685(Top 6%)1570(Top 10%)1570(Top 28%)
40K24.85 mi0.85 mi402-27370-22370-223625(Top 13%)3195(Top 20%)3195(Top 57%)
25.2M25.20 mi0.35 mi432-30398-28398-286737(Top 24%)5156(Top 32%)5156(Top 91%)
Finish26.22 mi1.02 mi449-17413-15413-151788(Top 6%)1651(Top 10%)1651(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

445

Males

413

M18-39

413

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

491

Males

454

M18-39

454

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

445

Males

413

M18-39

413

15K→20K

9.3 - 12.4 mi

Top 1%
×5story building
+106ft-86ft

Overall

329

Males

300

M18-39

300

20K→Half

12.4 - 13.1 mi

Top 1.0%
×2story building
+19ft-37ft

Overall

272

Males

247

M18-39

247

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4story building
+66ft-88ft

Overall

267

Males

241

M18-39

241

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9story building
+181ft-148ft

Overall

176

Males

154

M18-39

154

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

299

Males

276

M18-39

276

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

309

Males

290

M18-39

290

21M→35K

21.0 - 21.8 mi

Top 3%
×7story building
+17ft-86ft

Overall

748

Males

699

M18-39

699

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2320

Males

2158

M18-39

2158

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1685

Males

1570

M18-39

1570

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3625

Males

3195

M18-39

3195

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6737

Males

5156

M18-39

5156

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1788

Males

1651

M18-39

1651

Passing Analysis

Category:
Athletes Passed
268
Passed By
203
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#514
5K → 10K3623+13#514#501
10K → 15K3416+18#501#483
15K → 20K603+57#483#426
20K → Half90+9#426#417
Half → 25K340+34#417#383
25K → 30K560+56#383#327
30K → 20M136+7#327#320
20M → 21M100+10#320#310
21M → 35K550#310#310
35K → 23M343-40#310#350
23M → 24M227-25#350#375
24M → 40K128-27#375#402
40K → 25.2M030-30#402#432
25.2M → Finish522-17#432#449
TOTALS268203+65
📊

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