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BOSTON MARATHON 2025

Sean Kelley

Bib: 31224•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
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
10:20/mi
32:07
↑ 97↓ 3451.5%
10K· 6.21 mi
10:41/mi
1:05:18
↑ 79↓ 1380.4%
15K· 9.32 mi
10:41/mi
1:38:29
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
2:10:41
↑ 106↓ 860.1%
Half· 13.11 mi
10:01/mi
2:17:31
↑ 19↓ 370.5%
25K· 15.53 mi
10:06/mi
2:42:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
3:14:05
↑ 181↓ 1480.2%
20M
10:10/mi
3:27:54
↑ 64↓ 500.2%
21M
10:49/mi
3:38:43
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:46:10
↑ 17↓ 861.7%
23M
10:20/mi
3:59:06
↑ 23↓ 630.6%
24M
10:06/mi
4:09:12
↓ 821.3%
40K· 24.85 mi
10:30/mi
4:18:11
↓ 200.3%
25.2M
11:33/mi
4:22:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:34/mi
4:31:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:17:31
Pace10:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:14:24
Pace10:15 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2832:0710:2032:07
10:20
-
10K
6.21 mi12:31:391:05:1810:3133:11
10:41
+0:21
15K
9.32 mi13:04:501:38:2910:3433:11
10:41
0:00
20K
12.43 mi13:37:022:10:4110:3132:12
10:22
-0:19
Half
13.11 mi13:43:522:17:3110:296:50
10:01
-0:21
25K
15.53 mi14:08:212:42:0010:2624:29
10:06
+0:05
30K
18.64 mi14:40:263:14:0510:2532:05
10:20
+0:14
20M
20.00 mi14:54:153:27:5410:2413:49
10:10
-0:10
21M
21.00 mi15:05:043:38:4310:2510:49
10:49
+0:39
35K
21.75 mi15:12:313:46:1010:247:27
9:57
-0:52
23M
23.00 mi15:25:273:59:0610:2412:56
10:20
+0:23
24M
24.00 mi15:35:334:09:1210:2310:06
10:06
-0:14
40K
24.85 mi15:44:324:18:1110:238:59
10:30
+0:24
25.2M
25.20 mi15:48:314:22:1010:243:59
11:33
+1:03
Finish
26.22 mi15:58:164:31:5510:239:45
9:34
-1:59

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

9:34 /mi

Average Pace

10:23 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:37

22% of race

Time at Steady Pace

2:12:08

49% of race

Time at Slower Pace

1:21:10

30% of race

Average Pace: 10:22 /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 mi11:58:2832:0710:2032:07
10:20
#26377
10K
6.21 mi12:31:391:05:1810:3133:11
10:41
#26499
15K
9.32 mi13:04:501:38:2910:3433:11
10:41
#26398
20K
12.43 mi13:37:022:10:4110:3132:12
10:22
#26000
Half
13.11 mi13:43:522:17:3110:296:50
10:01
#25935
25K
15.53 mi14:08:212:42:0010:2624:29
10:06
#25573
30K
18.64 mi14:40:263:14:0510:2532:05
10:20
#25069
20M
20.00 mi14:54:153:27:5410:2413:49
10:10
#24877
21M
21.00 mi15:05:043:38:4310:2510:49
10:49
#24702
35K
21.75 mi15:12:313:46:1010:247:27
9:57
#24623
23M
23.00 mi15:25:273:59:0610:2412:56
10:20
#24478
24M
24.00 mi15:35:334:09:1210:2310:06
10:06
#24363
40K
24.85 mi15:44:324:18:1110:238:59
10:30
#24286
25.2M
25.20 mi15:48:314:22:1010:243:59
11:33
#24261
Finish
26.22 mi15:58:164:31:5510:239:45
9:34
#24186
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26377153471534726222(Top 92%)15256(Top 95%)15256(Top 270%)
10K6.21 mi3.10 mi26499-12215377-3015377-3026566(Top 94%)15399(Top 96%)15399(Top 273%)
15K9.32 mi3.11 mi26398+10115332+4515332+4526222(Top 92%)15256(Top 95%)15256(Top 270%)
20K12.43 mi3.11 mi26000+39815146+18615146+18624942(Top 88%)14652(Top 91%)14652(Top 260%)
Half13.11 mi0.68 mi25935+6515116+3015116+3024852(Top 87%)14591(Top 91%)14591(Top 259%)
25K15.53 mi2.42 mi25573+36214952+16414952+16423502(Top 83%)13962(Top 87%)13962(Top 247%)
30K18.64 mi3.11 mi25069+50414686+26614686+26622530(Top 79%)13409(Top 83%)13409(Top 238%)
20M20.00 mi1.36 mi24877+19214584+10214584+10221477(Top 76%)12810(Top 80%)12810(Top 227%)
21M21.00 mi1.00 mi24702+17514499+8514499+8520894(Top 74%)12448(Top 77%)12448(Top 221%)
35K21.75 mi0.75 mi24623+7914454+4514454+4521784(Top 77%)12809(Top 80%)12809(Top 227%)
23M23.00 mi1.25 mi24478+14514366+8814366+8821519(Top 76%)12638(Top 78%)12638(Top 224%)
24M24.00 mi1.00 mi24363+11514302+6414302+6421643(Top 76%)12658(Top 79%)12658(Top 224%)
40K24.85 mi0.85 mi24286+7714257+4514257+4521956(Top 77%)12733(Top 79%)12733(Top 226%)
25.2M25.20 mi0.35 mi24261+2514239+1814239+1822180(Top 78%)12885(Top 80%)12885(Top 228%)
Finish26.22 mi1.02 mi24186+7514192+4714192+4721431(Top 75%)12505(Top 78%)12505(Top 222%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

26222

Males

15256

M18-39

15256

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26566

Males

15399

M18-39

15399

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

26222

Males

15256

M18-39

15256

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24942

Males

14652

M18-39

14652

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24852

Males

14591

M18-39

14591

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23502

Males

13962

M18-39

13962

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

22530

Males

13409

M18-39

13409

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

21477

Males

12810

M18-39

12810

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

20894

Males

12448

M18-39

12448

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

21784

Males

12809

M18-39

12809

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21519

Males

12638

M18-39

12638

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21643

Males

12658

M18-39

12658

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21956

Males

12733

M18-39

12733

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22180

Males

12885

M18-39

12885

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

21431

Males

12505

M18-39

12505

Passing Analysis

Category:
Athletes Passed
2543
Passed By
352
Net Change
+2191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26377
5K → 10K115237-122#26377#26499
10K → 15K17372+101#26499#26398
15K → 20K3980+398#26398#26000
20K → Half683+65#26000#25935
Half → 25K3631+362#25935#25573
25K → 30K5051+504#25573#25069
30K → 20M1931+192#25069#24877
20M → 21M1772+175#24877#24702
21M → 35K856+79#24702#24623
35K → 23M1505+145#24623#24478
23M → 24M1227+115#24478#24363
24M → 40K8710+77#24363#24286
40K → 25.2M283+25#24286#24261
25.2M → Finish794+75#24261#24186
TOTALS2543352+2191
📊

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