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BOSTON MARATHON 2025

Jonathan Shea

NY

Bib: 31613 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:59/mi
31:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:59/mi
1:02:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:03/mi
1:33:17
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:01/mi
2:04:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:55/mi
2:11:09
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:10/mi
2:35:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:42/mi
3:09:02
↑ 181↓ 1480.2%
138 ft elev
20M
11:10/mi
3:24:13
↑ 64↓ 500.2%
148 ft elev
21M
11:26/mi
3:35:39
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:24/mi
3:42:41
↑ 17↓ 861.7%
156 ft elev
23M
10:49/mi
3:56:13
↑ 23↓ 630.6%
116 ft elev
24M
11:11/mi
4:07:24
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:05/mi
4:17:44
↓ 200.3%
20 ft elev
25.2M
12:22/mi
4:22:00
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:30/mi
4:32:42
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:09
Pace10:00 /mi
2nd Half
Distance13.11 mi
Time2:21:33
Pace10:48 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0231:029:5931:02
9:59
-
10K
6.21 mi12:26:041:02:049:5931:02
9:59
0:00
15K
9.32 mi12:57:171:33:1710:0031:13
10:03
+0:04
20K
12.43 mi13:28:232:04:2310:0131:06
10:01
-0:02
Half
13.11 mi13:35:092:11:0910:006:46
9:55
-0:06
25K
15.53 mi13:59:482:35:4810:0224:39
10:10
+0:15
30K
18.64 mi14:33:023:09:0210:0833:14
10:42
+0:32
20M
20.00 mi14:48:133:24:1310:1315:11
11:10
+0:28
21M
21.00 mi14:59:393:35:3910:1611:26
11:26
+0:16
35K
21.75 mi15:06:413:42:4110:147:02
9:24
-2:02
23M
23.00 mi15:20:133:56:1310:1613:32
10:49
+1:25
24M
24.00 mi15:31:244:07:2410:1911:11
11:11
+0:22
40K
24.85 mi15:41:444:17:4410:2210:20
12:05
+0:54
25.2M
25.20 mi15:46:004:22:0010:244:16
12:22
+0:17
Finish
26.22 mi15:56:424:32:4210:2510:42
10:30
-1:52

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

9:24 /mi

Average Pace

10:25 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:11

51% of race

Time at Steady Pace

1:22:07

30% of race

Time at Slower Pace

52:24

19% of race

Average Pace: 10:24 /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 mi11:55:0231:029:5931:02
9:59
#25539
10K
6.21 mi12:26:041:02:049:5931:02
9:59
#25419
15K
9.32 mi12:57:171:33:1710:0031:13
10:03
#25305
20K
12.43 mi13:28:232:04:2310:0131:06
10:01
#25041
Half
13.11 mi13:35:092:11:0910:006:46
9:55
#25011
25K
15.53 mi13:59:482:35:4810:0224:39
10:10
#24777
30K
18.64 mi14:33:023:09:0210:0833:14
10:42
#24536
20M
20.00 mi14:48:133:24:1310:1315:11
11:10
#24515
21M
21.00 mi14:59:393:35:3910:1611:26
11:26
#24388
35K
21.75 mi15:06:413:42:4110:147:02
9:24
#24257
23M
23.00 mi15:20:133:56:1310:1613:32
10:49
#24178
24M
24.00 mi15:31:244:07:2410:1911:11
11:11
#24193
40K
24.85 mi15:41:444:17:4410:2210:20
12:05
#24252
25.2M
25.20 mi15:46:004:22:0010:244:16
12:22
#24254
Finish
26.22 mi15:56:424:32:4210:2510:42
10:30
#24249
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25539149761497625080(Top 88%)14755(Top 92%)14755(Top 262%)
10K6.21 mi3.10 mi25419+12014895+8114895+8125288(Top 89%)14831(Top 92%)14831(Top 263%)
15K9.32 mi3.11 mi25305+11414851+4414851+4425080(Top 88%)14755(Top 92%)14755(Top 262%)
20K12.43 mi3.11 mi25041+26414724+12714724+12724235(Top 85%)14325(Top 89%)14325(Top 254%)
Half13.11 mi0.68 mi25011+3014702+2214702+2224650(Top 87%)14502(Top 90%)14502(Top 257%)
25K15.53 mi2.42 mi24777+23414579+12314579+12323650(Top 83%)14030(Top 87%)14030(Top 249%)
30K18.64 mi3.11 mi24536+24114451+12814451+12823387(Top 82%)13783(Top 86%)13783(Top 244%)
20M20.00 mi1.36 mi24515+2114431+2014431+2023932(Top 84%)13949(Top 87%)13949(Top 247%)
21M21.00 mi1.00 mi24388+12714352+7914352+7922478(Top 79%)13198(Top 82%)13198(Top 234%)
35K21.75 mi0.75 mi24257+13114278+7414278+7419953(Top 70%)11958(Top 74%)11958(Top 212%)
23M23.00 mi1.25 mi24178+7914224+5414224+5422765(Top 80%)13231(Top 82%)13231(Top 235%)
24M24.00 mi1.00 mi24193-1514214+1014214+1024356(Top 86%)13996(Top 87%)13996(Top 248%)
40K24.85 mi0.85 mi24252-5914238-2414238-2425055(Top 88%)14292(Top 89%)14292(Top 253%)
25.2M25.20 mi0.35 mi24254-214235+314235+323940(Top 84%)13742(Top 85%)13742(Top 244%)
Finish26.22 mi1.02 mi24249+514218+1714218+1724279(Top 85%)13909(Top 86%)13909(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

25080

Males

14755

M18-39

14755

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25288

Males

14831

M18-39

14831

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

25080

Males

14755

M18-39

14755

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24235

Males

14325

M18-39

14325

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24650

Males

14502

M18-39

14502

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23650

Males

14030

M18-39

14030

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23387

Males

13783

M18-39

13783

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23932

Males

13949

M18-39

13949

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22478

Males

13198

M18-39

13198

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19953

Males

11958

M18-39

11958

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22765

Males

13231

M18-39

13231

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24356

Males

13996

M18-39

13996

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25055

Males

14292

M18-39

14292

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23940

Males

13742

M18-39

13742

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24279

Males

13909

M18-39

13909

Passing Analysis

Category:
Athletes Passed
1841
Passed By
551
Net Change
+1290
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25539
5K → 10K253133+120#25539#25419
10K → 15K19480+114#25419#25305
15K → 20K29127+264#25305#25041
20K → Half4111+30#25041#25011
Half → 25K24511+234#25011#24777
25K → 30K27029+241#24777#24536
30K → 20M6140+21#24536#24515
20M → 21M1358+127#24515#24388
21M → 35K1321+131#24388#24257
35K → 23M10122+79#24257#24178
23M → 24M4459-15#24178#24193
24M → 40K2079-59#24193#24252
40K → 25.2M1517-2#24252#24254
25.2M → Finish3934+5#24254#24249
TOTALS1841551+1290
📊

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