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BOSTON MARATHON 2025

John Austin

Bib: 25278•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 43%
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
8:58/mi
27:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
56:06
↑ 79↓ 1380.4%
15K· 9.32 mi
9:08/mi
1:24:28
↑ 67↓ 78
20K· 12.43 mi
9:17/mi
1:53:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:13/mi
1:59:37
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
2:22:28
↑ 66↓ 880.2%
30K· 18.64 mi
9:54/mi
2:53:14
↑ 181↓ 1480.2%
20M
10:07/mi
3:06:59
↑ 64↓ 500.2%
21M
11:00/mi
3:17:59
↑ 106↓ 241.6%
35K· 21.75 mi
11:24/mi
3:26:31
↑ 17↓ 861.7%
23M
12:47/mi
3:42:31
↑ 23↓ 630.6%
24M
12:32/mi
3:55:03
↓ 821.3%
40K· 24.85 mi
11:41/mi
4:05:02
↓ 200.3%
25.2M
11:56/mi
4:09:09
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:19:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:37
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:19:25
Pace10:38 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:1227:528:5827:52
8:58
-
10K
6.21 mi11:57:2656:069:0228:14
9:05
+0:07
15K
9.32 mi12:25:481:24:289:0428:22
9:08
+0:03
20K
12.43 mi12:54:401:53:209:0728:52
9:17
+0:09
Half
13.11 mi13:00:571:59:379:076:17
9:13
-0:04
25K
15.53 mi13:23:482:22:289:1022:51
9:25
+0:12
30K
18.64 mi13:54:342:53:149:1830:46
9:54
+0:29
20M
20.00 mi14:08:193:06:599:2113:45
10:07
+0:13
21M
21.00 mi14:19:193:17:599:2611:00
11:00
+0:53
35K
21.75 mi14:27:513:26:319:308:32
11:24
+0:24
23M
23.00 mi14:43:513:42:319:4016:00
12:47
+1:23
24M
24.00 mi14:56:233:55:039:4812:32
12:32
-0:15
40K
24.85 mi15:06:224:05:029:529:59
11:41
-0:51
25.2M
25.20 mi15:10:294:09:099:534:07
11:56
+0:15
Finish
26.22 mi15:20:224:19:029:539:53
9:42
-2:14

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

8:58 /mi

Average Pace

9:53 /mi

Slowest Pace

12:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:45

35% of race

Time at Steady Pace

1:46:07

41% of race

Time at Slower Pace

1:02:10

24% of race

Average Pace: 9:53 /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 mi11:29:1227:528:5827:52
8:58
#22292
10K
6.21 mi11:57:2656:069:0228:14
9:05
#22534
15K
9.32 mi12:25:481:24:289:0428:22
9:08
#22544
20K
12.43 mi12:54:401:53:209:0728:52
9:17
#22444
Half
13.11 mi13:00:571:59:379:076:17
9:13
#22444
25K
15.53 mi13:23:482:22:289:1022:51
9:25
#22334
30K
18.64 mi13:54:342:53:149:1830:46
9:54
#22138
20M
20.00 mi14:08:193:06:599:2113:45
10:07
#22074
21M
21.00 mi14:19:193:17:599:2611:00
11:00
#22014
35K
21.75 mi14:27:513:26:319:308:32
11:24
#22165
23M
23.00 mi14:43:513:42:319:4016:00
12:47
#22519
24M
24.00 mi14:56:233:55:039:4812:32
12:32
#22761
40K
24.85 mi15:06:224:05:029:529:59
11:41
#22854
25.2M
25.20 mi15:10:294:09:099:534:07
11:56
#22867
Finish
26.22 mi15:20:224:19:029:539:53
9:42
#22837
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22292134411344122588(Top 80%)13642(Top 85%)13642(Top 5983%)
10K6.21 mi3.10 mi22534-24213564-12313564-12322767(Top 80%)13699(Top 85%)13699(Top 6008%)
15K9.32 mi3.11 mi22544-1013602-3813602-3822588(Top 80%)13642(Top 85%)13642(Top 5983%)
20K12.43 mi3.11 mi22444+10013550+5213550+5222243(Top 78%)13466(Top 84%)13466(Top 5906%)
Half13.11 mi0.68 mi2244413547+313547+322613(Top 80%)13616(Top 85%)13616(Top 5972%)
25K15.53 mi2.42 mi22334+11013497+5013497+5021630(Top 76%)13134(Top 82%)13134(Top 5761%)
30K18.64 mi3.11 mi22138+19613378+11913378+11921309(Top 75%)12854(Top 80%)12854(Top 5638%)
20M20.00 mi1.36 mi22074+6413334+4413334+4421337(Top 75%)12744(Top 79%)12744(Top 5589%)
21M21.00 mi1.00 mi22014+6013282+5213282+5221393(Top 75%)12693(Top 79%)12693(Top 5567%)
35K21.75 mi0.75 mi22165-15113336-5413336-5424941(Top 88%)14320(Top 89%)14320(Top 6281%)
23M23.00 mi1.25 mi22519-35413461-12513461-12526126(Top 92%)14901(Top 93%)14901(Top 6536%)
24M24.00 mi1.00 mi22761-24213550-8913550-8926343(Top 93%)14983(Top 93%)14983(Top 6571%)
40K24.85 mi0.85 mi22854-9313565-1513565-1524434(Top 86%)13984(Top 87%)13984(Top 6133%)
25.2M25.20 mi0.35 mi22867-1313564+113564+123085(Top 81%)13328(Top 83%)13328(Top 5846%)
Finish26.22 mi1.02 mi22837+3013536+2813536+2821910(Top 77%)12743(Top 79%)12743(Top 5589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

22588

Males

13642

M70-74

13642

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22767

Males

13699

M70-74

13699

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

22588

Males

13642

M70-74

13642

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

22243

Males

13466

M70-74

13466

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22613

Males

13616

M70-74

13616

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

21630

Males

13134

M70-74

13134

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

21309

Males

12854

M70-74

12854

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21337

Males

12744

M70-74

12744

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21393

Males

12693

M70-74

12693

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24941

Males

14320

M70-74

14320

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

26126

Males

14901

M70-74

14901

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26343

Males

14983

M70-74

14983

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24434

Males

13984

M70-74

13984

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23085

Males

13328

M70-74

13328

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21910

Males

12743

M70-74

12743

Passing Analysis

Category:
Athletes Passed
1446
Passed By
1991
Net Change
-545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22292
5K → 10K154396-242#22292#22534
10K → 15K180190-10#22534#22544
15K → 20K217117+100#22544#22444
20K → Half39390#22444#22444
Half → 25K19585+110#22444#22334
25K → 30K27983+196#22334#22138
30K → 20M11955+64#22138#22074
20M → 21M10848+60#22074#22014
21M → 35K10161-151#22014#22165
35K → 23M21375-354#22165#22519
23M → 24M17259-242#22519#22761
24M → 40K26119-93#22761#22854
40K → 25.2M1831-13#22854#22867
25.2M → Finish6333+30#22867#22837
TOTALS14461991-545
📊

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