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BOSTON MARATHON 2025

John Morse

Bib: 1531•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 24%
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
6:22/mi
19:48
↑ 97↓ 3451.5%
10K· 6.21 mi
6:19/mi
39:26
↑ 79↓ 1380.4%
15K· 9.32 mi
6:18/mi
59:00
↑ 67↓ 78
20K· 12.43 mi
6:19/mi
1:18:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:11/mi
1:22:49
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:38:07
↑ 66↓ 880.2%
30K· 18.64 mi
6:26/mi
1:58:07
↑ 181↓ 1480.2%
20M
6:31/mi
2:06:59
↑ 64↓ 500.2%
21M
6:46/mi
2:13:45
↑ 106↓ 241.6%
35K· 21.75 mi
6:22/mi
2:18:31
↑ 17↓ 861.7%
23M
6:35/mi
2:26:46
↑ 23↓ 630.6%
24M
6:22/mi
2:33:08
↓ 821.3%
40K· 24.85 mi
6:14/mi
2:38:28
↓ 200.3%
25.2M
6:49/mi
2:40:49
↑ 13↓ 160.2%
Finish· 26.22 mi
5:59/mi
2:46:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:49
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:24:06
Pace6:25 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2819:486:2219:48
6:22
-
10K
6.21 mi10:40:0639:266:2119:38
6:19
-0:03
15K
9.32 mi10:59:4059:006:2019:34
6:18
-0:01
20K
12.43 mi11:19:161:18:366:1919:36
6:19
+0:01
Half
13.11 mi11:23:291:22:496:194:13
6:11
-0:08
25K
15.53 mi11:38:471:38:076:1915:18
6:19
+0:08
30K
18.64 mi11:58:471:58:076:2020:00
6:26
+0:07
20M
20.00 mi12:07:392:06:596:218:52
6:31
+0:05
21M
21.00 mi12:14:252:13:456:226:46
6:46
+0:15
35K
21.75 mi12:19:112:18:316:224:46
6:22
-0:24
23M
23.00 mi12:27:262:26:466:238:15
6:35
+0:13
24M
24.00 mi12:33:482:33:086:236:22
6:22
-0:13
40K
24.85 mi12:39:082:38:286:235:20
6:14
-0:08
25.2M
25.20 mi12:41:292:40:496:232:21
6:49
+0:35
Finish
26.22 mi12:47:352:46:556:226:06
5:59
-0:50

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

5:59 /mi

Average Pace

6:22 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:33

90% of race

Time at Steady Pace

17:22

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:22 /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 mi10:20:2819:486:2219:48
6:22
#2917
10K
6.21 mi10:40:0639:266:2119:38
6:19
#2710
15K
9.32 mi10:59:4059:006:2019:34
6:18
#2574
20K
12.43 mi11:19:161:18:366:1919:36
6:19
#2393
Half
13.11 mi11:23:291:22:496:194:13
6:11
#2362
25K
15.53 mi11:38:471:38:076:1915:18
6:19
#2270
30K
18.64 mi11:58:471:58:076:2020:00
6:26
#2118
20M
20.00 mi12:07:392:06:596:218:52
6:31
#2064
21M
21.00 mi12:14:252:13:456:226:46
6:46
#2007
35K
21.75 mi12:19:112:18:316:224:46
6:22
#1977
23M
23.00 mi12:27:262:26:466:238:15
6:35
#1927
24M
24.00 mi12:33:482:33:086:236:22
6:22
#1881
40K
24.85 mi12:39:082:38:286:235:20
6:14
#1809
25.2M
25.20 mi12:41:292:40:496:232:21
6:49
#1771
Finish
26.22 mi12:47:352:46:556:226:06
5:59
#1700
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2917277627762325(Top 8%)2218(Top 14%)2218(Top 39%)
10K6.21 mi3.10 mi2710+2072581+1952581+1952534(Top 9%)2420(Top 15%)2420(Top 43%)
15K9.32 mi3.11 mi2574+1362454+1272454+1272325(Top 8%)2218(Top 14%)2218(Top 39%)
20K12.43 mi3.11 mi2393+1812283+1712283+1712056(Top 7%)1960(Top 12%)1960(Top 35%)
Half13.11 mi0.68 mi2362+312253+302253+301908(Top 7%)1821(Top 11%)1821(Top 32%)
25K15.53 mi2.42 mi2270+922167+862167+861921(Top 7%)1827(Top 11%)1827(Top 32%)
30K18.64 mi3.11 mi2118+1522020+1472020+1471708(Top 6%)1621(Top 10%)1621(Top 29%)
20M20.00 mi1.36 mi2064+541966+541966+541727(Top 6%)1633(Top 10%)1633(Top 29%)
21M21.00 mi1.00 mi2007+571910+561910+561431(Top 5%)1351(Top 8%)1351(Top 24%)
35K21.75 mi0.75 mi1977+301880+301880+301912(Top 7%)1796(Top 11%)1796(Top 32%)
23M23.00 mi1.25 mi1927+501828+521828+521796(Top 6%)1682(Top 10%)1682(Top 30%)
24M24.00 mi1.00 mi1881+461783+451783+451549(Top 5%)1448(Top 9%)1448(Top 26%)
40K24.85 mi0.85 mi1809+721712+711712+71845(Top 3%)794(Top 5%)794(Top 14%)
25.2M25.20 mi0.35 mi1771+381676+361676+361048(Top 4%)966(Top 6%)966(Top 17%)
Finish26.22 mi1.02 mi1700+711609+671609+67892(Top 3%)841(Top 5%)841(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21story building
+97ft-345ft

Overall

2325

Males

2218

M18-39

2218

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2534

Males

2420

M18-39

2420

10K→15K

6.2 - 9.3 mi

Top 8%
×3story building
+67ft-78ft

Overall

2325

Males

2218

M18-39

2218

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2056

Males

1960

M18-39

1960

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1908

Males

1821

M18-39

1821

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1921

Males

1827

M18-39

1827

25K→30K

15.5 - 18.6 mi

Top 6%
×9story building
+181ft-148ft

Overall

1708

Males

1621

M18-39

1621

30K→20M

18.6 - 20.0 mi

Top 6%
×5story building
+64ft-50ft

Overall

1727

Males

1633

M18-39

1633

20M→21M

20.0 - 21.0 mi

Top 5%
×8story building
+106ft-24ft

Overall

1431

Males

1351

M18-39

1351

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1912

Males

1796

M18-39

1796

35K→23M

21.8 - 23.0 mi

Top 6%
×5story building
+23ft-63ft

Overall

1796

Males

1682

M18-39

1682

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1549

Males

1448

M18-39

1448

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

845

Males

794

M18-39

794

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1048

Males

966

M18-39

966

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

892

Males

841

M18-39

841

Passing Analysis

Category:
Athletes Passed
1396
Passed By
179
Net Change
+1217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2917
5K → 10K25548+207#2917#2710
10K → 15K15519+136#2710#2574
15K → 20K19211+181#2574#2393
20K → Half343+31#2393#2362
Half → 25K10412+92#2362#2270
25K → 30K16614+152#2270#2118
30K → 20M6814+54#2118#2064
20M → 21M658+57#2064#2007
21M → 35K4414+30#2007#1977
35K → 23M7121+50#1977#1927
23M → 24M5812+46#1927#1881
24M → 40K742+72#1881#1809
40K → 25.2M380+38#1809#1771
25.2M → Finish721+71#1771#1700
TOTALS1396179+1217
📊

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