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BOSTON MARATHON 2025

Jonathan Amy

Bib: 2957•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
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
6:19/mi
19:36
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
39:07
↑ 79↓ 1380.4%
15K· 9.32 mi
6:16/mi
58:35
↑ 67↓ 78
20K· 12.43 mi
6:19/mi
1:18:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:18/mi
1:22:30
↑ 19↓ 370.5%
25K· 15.53 mi
6:22/mi
1:37:55
↑ 66↓ 880.2%
30K· 18.64 mi
6:31/mi
1:58:11
↑ 181↓ 1480.2%
20M
6:32/mi
2:07:04
↑ 64↓ 500.2%
21M
6:46/mi
2:13:50
↑ 106↓ 241.6%
35K· 21.75 mi
6:22/mi
2:18:36
↑ 17↓ 861.7%
23M
6:22/mi
2:26:34
↑ 23↓ 630.6%
24M
6:11/mi
2:32:45
↓ 821.3%
40K· 24.85 mi
6:08/mi
2:38:00
↓ 200.3%
25.2M
6:31/mi
2:40:15
↑ 13↓ 160.2%
Finish· 26.22 mi
5:43/mi
2:46:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:30
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:23:35
Pace6:23 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5919:366:1919:36
6:19
-
10K
6.21 mi10:40:3039:076:1819:31
6:17
-0:02
15K
9.32 mi10:59:5858:356:1719:28
6:16
-0:01
20K
12.43 mi11:19:351:18:126:1819:37
6:19
+0:03
Half
13.11 mi11:23:531:22:306:184:18
6:18
-0:01
25K
15.53 mi11:39:181:37:556:1815:25
6:22
+0:04
30K
18.64 mi11:59:341:58:116:2020:16
6:31
+0:09
20M
20.00 mi12:08:272:07:046:218:53
6:32
+0:01
21M
21.00 mi12:15:132:13:506:226:46
6:46
+0:14
35K
21.75 mi12:19:592:18:366:224:46
6:22
-0:24
23M
23.00 mi12:27:572:26:346:227:58
6:22
0:00
24M
24.00 mi12:34:082:32:456:226:11
6:11
-0:11
40K
24.85 mi12:39:232:38:006:215:15
6:08
-0:03
25.2M
25.20 mi12:41:382:40:156:222:15
6:31
+0:23
Finish
26.22 mi12:47:282:46:056:205:50
5:43
-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

5:43 /mi

Average Pace

6:20 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:15

34% of race

Time at Steady Pace

1:43:04

62% of race

Time at Slower Pace

6:46

4% of race

Average Pace: 6:20 /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 mi10:20:5919:366:1919:36
6:19
#2484
10K
6.21 mi10:40:3039:076:1819:31
6:17
#2376
15K
9.32 mi10:59:5858:356:1719:28
6:16
#2284
20K
12.43 mi11:19:351:18:126:1819:37
6:19
#2215
Half
13.11 mi11:23:531:22:306:184:18
6:18
#2228
25K
15.53 mi11:39:181:37:556:1815:25
6:22
#2184
30K
18.64 mi11:59:341:58:116:2020:16
6:31
#2135
20M
20.00 mi12:08:272:07:046:218:53
6:32
#2089
21M
21.00 mi12:15:132:13:506:226:46
6:46
#2029
35K
21.75 mi12:19:592:18:366:224:46
6:22
#1994
23M
23.00 mi12:27:572:26:346:227:58
6:22
#1881
24M
24.00 mi12:34:082:32:456:226:11
6:11
#1814
40K
24.85 mi12:39:232:38:006:215:15
6:08
#1717
25.2M
25.20 mi12:41:382:40:156:222:15
6:31
#1664
Finish
26.22 mi12:47:282:46:056:205:50
5:43
#1540
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2484236623662174(Top 8%)2072(Top 13%)2072(Top 37%)
10K6.21 mi3.10 mi2376+1082266+1002266+1002294(Top 8%)2195(Top 14%)2195(Top 39%)
15K9.32 mi3.11 mi2284+922180+862180+862174(Top 8%)2072(Top 13%)2072(Top 37%)
20K12.43 mi3.11 mi2215+692116+642116+642066(Top 7%)1970(Top 12%)1970(Top 35%)
Half13.11 mi0.68 mi2228-132128-122128-122471(Top 9%)2360(Top 15%)2360(Top 42%)
25K15.53 mi2.42 mi2184+442085+432085+432130(Top 7%)2026(Top 13%)2026(Top 36%)
30K18.64 mi3.11 mi2135+492035+502035+502074(Top 7%)1971(Top 12%)1971(Top 35%)
20M20.00 mi1.36 mi2089+461988+471988+471751(Top 6%)1657(Top 10%)1657(Top 29%)
21M21.00 mi1.00 mi2029+601931+571931+571415(Top 5%)1335(Top 8%)1335(Top 24%)
35K21.75 mi0.75 mi1994+351895+361895+361876(Top 7%)1760(Top 11%)1760(Top 31%)
23M23.00 mi1.25 mi1881+1131785+1101785+1101043(Top 4%)986(Top 6%)986(Top 17%)
24M24.00 mi1.00 mi1814+671718+671718+67977(Top 3%)919(Top 6%)919(Top 16%)
40K24.85 mi0.85 mi1717+971626+921626+92629(Top 2%)589(Top 4%)589(Top 10%)
25.2M25.20 mi0.35 mi1664+531575+511575+51509(Top 2%)474(Top 3%)474(Top 8%)
Finish26.22 mi1.02 mi1540+1241457+1181457+118398(Top 1%)374(Top 2%)374(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2174

Males

2072

M18-39

2072

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2294

Males

2195

M18-39

2195

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2174

Males

2072

M18-39

2072

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2066

Males

1970

M18-39

1970

20K→Half

12.4 - 13.1 mi

Top 9%
×2story building
+19ft-37ft

Overall

2471

Males

2360

M18-39

2360

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

2130

Males

2026

M18-39

2026

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2074

Males

1971

M18-39

1971

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1751

Males

1657

M18-39

1657

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1415

Males

1335

M18-39

1335

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1876

Males

1760

M18-39

1760

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1043

Males

986

M18-39

986

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

977

Males

919

M18-39

919

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

629

Males

589

M18-39

589

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

509

Males

474

M18-39

474

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

398

Males

374

M18-39

374

Passing Analysis

Category:
Athletes Passed
1206
Passed By
262
Net Change
+944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2484
5K → 10K16254+108#2484#2376
10K → 15K12735+92#2376#2284
15K → 20K10738+69#2284#2215
20K → Half922-13#2215#2228
Half → 25K6824+44#2228#2184
25K → 30K9546+49#2184#2135
30K → 20M6014+46#2135#2089
20M → 21M677+60#2089#2029
21M → 35K4510+35#2029#1994
35K → 23M1196+113#1994#1881
23M → 24M714+67#1881#1814
24M → 40K981+97#1814#1717
40K → 25.2M541+53#1717#1664
25.2M → Finish1240+124#1664#1540
TOTALS1206262+944
📊

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